Specific implementation mode
Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art answerIt is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with nameThe difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logicalThe "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limitIn "." substantially " refer in acceptable error range, those skilled in the art can be described within a certain error range solutionTechnical problem basically reaches the technique effect.In addition, " coupling " word includes any direct and indirect electric property coupling hereinMeans.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical couplingIt is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.SpecificationSubsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,It is not limited to scope of the present application.The protection domain of the application is when subject to appended claims institute defender.Wherein, respectivelySomething in common between embodiment no longer repeats one by one.
It is shown in Figure 1 for a kind of relative position schematic diagram between metal grill and pixel in the prior art, existingIn technology, the metal wire for constituting the metal grill of touch control electrode staggeredly limits multiple mesh 201, and each mesh 201 is being shownThe orthographic projection of plane where device only cover one pixel 202, and mesh-density is smaller, metal wire be arranged two neighboring pixel itBetween, it squints under angle and is susceptible to the phenomenon that metal wire is in the light, it is visible so as to cause there is touch control electrode in the case where squinting angleProblem influences the display effect of display panel and display device.
In view of this, technical problems to be solved in this application are to provide a kind of display panel and display device, it is provided withRectangular strip electrode, and in rectangular strip electrode at least one mesh plane where display panel of metal grill orthographic projectionTwo pixels are at least covered, are conducive to improve the problem that electrode is visible under strabismus angle.
Fig. 2 show a kind of sectional view for the display panel that the embodiment of the present application is provided, and Fig. 3 show the application implementationA kind of vertical view of display panel that example is provided, Fig. 4 show in the display panel that the embodiment of the present application is provided pixel withA kind of relative position relation figure of metal wire, referring to Fig. 2-Fig. 4, a kind of display panel 100 provided herein, including along verticalThe display function layer 10 and touch function layer 20 directly set gradually in the direction of display panel 100, touch function layer 20 are located at aobviousShow the light emission side of functional layer 10；Wherein, direction shown in arrow is light direction in Fig. 2.
Display function layer 10 is divided into viewing area 101 and the non-display area 102 around viewing area 101, and viewing area 101 includesMultiple pixels 40；
Touch function layer 20 includes the touch control electrode 30 of multiple covering viewing areas 101, and touch control electrode 30 is rectangular strip electricityPole.
Optionally, the touch function layer 20 in the embodiment of the present application uses on-cell structures, specific shown in Figure 2,Display function layer 10 includes driving function layer 11, the light emitting functional layer 12 that edge is set gradually perpendicular to the direction of display panel 100With encapsulated layer 13, touch function layer 20 is located at side of the encapsulated layer 13 far from light emitting functional layer 12；Light emitting functional layer 12 includes edgeAnode layer 21, pixel confining layer 22, luminous organic material 23 and the cathode layer set gradually perpendicular to the direction of display panel 10024, pixel confining layer 22 includes the opening of multiple exposed anode layers 21, and luminous organic material 23 is located in opening, open edge structureThe edge of pixel 40.The edge of each pixel 40 described in the embodiment of the present application is to be defined by above-mentioned opening,That is, one pixel 40 of the limited opening of a pixel confining layer 22, in addition, it is to have that the thickness of usually pixel 40 is correspondingThe thickness of machine luminous material layer 23.
It should be noted that the present embodiment can be presented as OLED shown in Fig. 2 (Organic Light-EmittingDiode, Organic Light Emitting Diode) display panel, it can also be presented as that liquid crystal display panel, liquid crystal display panel include array substrateAnd color membrane substrates and the liquid crystal that is arranged between array substrate and color membrane substrates, it is remote that touch function layer may be provided at color membrane substratesSide from array substrate, is no longer specifically addressed herein.When display panel is liquid crystal display panel, wrapped on color membrane substratesLight shield layer black matrix is included, light shield layer black matrix forms multiple openings, and the region in the embodiment of the present application corresponding to pixel is at this timeFor the opening of black matrix.
Certainly, in other alternative embodiments of the present invention, display panel may be the touch-control structure of external hanging type, that is, touchControl functional layer includes individual underlay substrate, and underlay substrate carries each dependency structure or film layer in touch function layer.For example,Be cascading buffer layer, touch control electrode, insulating layer etc. on underlay substrate, then again by touch function layer and display panel sheetIt shows consideration for and closes.
Optionally, the touch function layer 20 in above-described embodiment includes one layer of touch control electrode, and touch control electrode 30 is rectangular stripShape electrode.The strip shaped electric poles described in the present embodiment being appreciated that are the electrode of the rectangular shape extended along certain orientation.It canChoosing, as shown in figure 5, Fig. 5 show one kind of the touch control electrode for the rectangular strip electrode structure that the embodiment of the present application is providedSchematic diagram, optionally, multiple rectangular strip electrodes 81 are arranged and are extended in a second direction, first direction and second along first directionDirection intersects.Optionally, in the present embodiment, first direction and second direction are vertical.
Optionally, the touch function layer 20 in above-described embodiment may also include two layers of touch control electrode, and touch control electrode 30 is squareShape strip shaped electric poles, optionally, as shown in fig. 6, Fig. 6 show touching for the rectangular strip electrode structure that the embodiment of the present application is providedAnother schematic diagram of electrode is controlled, optionally, multiple rectangular strip electrodes 81 are arranged along first direction and are extended in a second direction,Multiple rectangular strip electrodes 82 are arranged and are extended in a first direction in a second direction, and first direction and second direction are intersected.It is optionalGround, in the present embodiment, first direction and second direction are vertical.Referring to Fig. 6, it is located at multiple touch control electrode parallels of same layerRow.
With continued reference to Fig. 2-Fig. 4, touch control electrode 30 includes multiple metal grills 41, and metal grill 41 includes a plurality of metal wire42, metal wire 42 100 place plane of display panel orthographic projection between adjacent pixel 40, a plurality of metal wire 42 interlocksThe mesh 48 of metal grill 41 is limited, at least one mesh 48 is at least covered in the orthographic projection of 100 place plane of display panelTwo pixels 40.
Referring to Fig. 5 and Fig. 6, the touch control electrode 30 in the application uses rectangular strip electrode, compared to for diamond shape electrode moreBe conducive to improve the problem that 30 figure of touch control electrode is visible under strabismus angle.Fig. 7 show the one of the touch control electrode of diamond structureSchematic diagram is planted, the electrode in the figure is presented as diamond structure, and the multiple electrodes 821 positioned at same a line are connected with each other by bridge,An electrode channel is formed, the multiple electrodes 811 positioned at same row are connected with each other by bridge, form another electrode channel.
Inventor has found that the touch control electrode that Fig. 7 and embodiment illustrated in fig. 6 are provided is mutual capacitance type touch controlElectrode, each touch control electrode include it is multiple be similar to metal grill 41 shown in Fig. 4, when as mutual capacitance type touch control electrode,Touch control electrode includes touch drive electrode unit and touch-control sensing electrode unit, and in the stage of touch, touch drive electrode unit connectsTouching signals are received, when being touched by the external world, touch-control sensing electrode unit will feed back touch control detection signal, to realize to displayThe touch detection of panel.Table 1 is rectangular strip electrode and diamond shape electrode simulation performance contrast table, wherein abscissa RX area generationsIn one unit of table touch control electrode, the effective area accounting of touch-control sensing electrode Rx；When the representative of Base values does not have finger touch,The benchmark mutual capacitance value (assuming that being denoted as C1) of touch drive electrode (Tx) and touch-control sensing electrode (Rx)；The representative of Finger values has handWhen referring to touch, the mutual capacitance value (assuming that being denoted as C2) of Tx and Rx；Delta C values represent capacitance change, specially C2-C1；BecomeRate represents rate of change of capacitance, specially (C2-C1)/C1, and fF represents the unit of capacitance in table.
1 rectangular strip electrode of table and diamond shape electrode simulation performance contrast table
In table 1, pitch refers to the distance between two neighboring node in a mesh 48 of metal grill 41, can be withIt is interpreted as the length of side on one side of a mesh 48.Optionally, for the metal grill of the present embodiment 41, due to metal wire 42It is divided into and in two directions extends, the 42 evenly spaced arrangement of metal wire extended in the same direction；Then mesh 48 is formed as fourThe shape of side shape, and mesh 48 it is opposite both sides it is parallel to each other.In this way, that is to say, that pitch is bigger, and the area of mesh 48 is got overGreatly, the distribution of metal wire 42 is more sparse, and the region blocked by metal wire 42 is fewer.As can be seen from Table 1, identical pitch is being usedWhen, rectangular strip electrode is compared with diamond shape electrode, and the capacitance change and rate of change of capacitance of rectangular strip electrode are superior to diamond shapeTherefore electrode when the application uses rectangular strip electrode, is conducive to the touch-control performance for promoting display panel.
Moreover, in the display panel that the above embodiments of the present application are provided, touch control electrode uses rectangular strip electrode, constitutesIn the mesh of the metal grill of touch control electrode, the orthographic projection of at least one mesh plane where display panel at least covers twoPixel, that is to say, that it is not no metal wire between at least two pixels that mesh is covered, it is golden in entire display panelBelong to the region that line blocks to reduce, when observing the picture shown by display panel under squinting angle, at least between the two pixelsRegion will not be blocked by metal wire, therefore display panel is not at least that metal wire can between the two pixelsThe problem of seeing, compared to each mesh only covers a pixel, has metal wire around each pixel in the prior art shown in Fig. 1Scheme, the density of mesh is smaller in the metal grill of the application touch control electrode, and metal wire distribution is sparse, is blocked by metal wireRegion is less, and therefore, in the case where squinting angle, touch control electrode figure being conducive to improvement display panel for the above embodiments of the present applicationThe problem of seeing.
To sum up, it uses the electrode of rectangular list structure as touch control electrode in the above embodiments of the present application, while constituting and touchingThe mesh of control electrode at least covers in the scheme of two pixels, compared to existing technologies, due to constituting the mesh of touch control electrodeThe pixel number quantitative change of covering is more, so that mesh density reduces, when the mesh density of touch control electrode reduces, can lead to touch-controlThe touch-control sensitivity of electrode reduces；Inventor has found that under same mesh density, the touch-control spirit of rectangular strip electrodeSensitivity is better than the touch-control sensitivity of diamond shape electrode, therefore, when the embodiment of the present application constitutes touch-control electricity using rectangular strip electrodeWhen pole, it can make under the premise of ensureing that the touch-control sensitivity of rectangular strip electrode is no less than the touch-control sensitivity of diamond shape electrodeThe mesh of touch control electrode becomes more sparse, avoids occurring the visible problem of touch control electrode figure in the case where squinting angle.
Fig. 8 show another relative position of pixel and metal grill in the display panel that the embodiment of the present application is providedRelational graph, wherein the present embodiment place same as the previously described embodiments repeats no more.
Optionally, in the present embodiment, the arrangement form of pixel 40 is each pixel 40 along third direction and fourth direction arrayArrangement, wherein third direction and fourth direction is mutually perpendicular to, on third direction, the pixel arranged adjacent of same color, theCubic upward, the pixel arranged adjacent of different colours, a plurality of metal wire extends along third direction and fourth direction.
Optionally, third direction is identical as first direction in the present embodiment, and fourth direction is identical as second direction.
In fourth direction, it includes the first interval 51 and the second interval 52 to have interval, interval between adjacent pixel 40；
The width D a at the first interval 51 is less than the width D b at the second interval 52；
At least partly metal wire 42 is located in the orthographic projection of 100 place plane of display panel in the second interval 52；At least portionThe first interval 51 is divided not overlapped with metal wire 42.That is, metal wire 42 is no longer arranged along the first interval 51.
Optionally, the first interval 51 and the second interval 52 extend along third direction and are arranged along fourth direction in the present embodimentThe orthographic projection of cloth, the plane where display panel of metal wire 42 extended along third direction is located at the second interval 52.
Optionally, in the present embodiment, second interval 52 width be D, 12 μm≤D≤35 μm.In this way, can both increaseTwo intervals 52, make the second interval 52 have sufficiently large space metal wire 42, meanwhile, and the first interval 51 will not be made too small,Cause to interfere between adjacent pixel, but also will not make the first interval 51 and second be spaced 52 between difference it is excessive, lead to human eyeIt can be seen that problem.
Specifically, refer to Fig. 8, the interval between adjacent pixel 40 is divided into two kinds, one is width it is smaller first betweenEvery 51, another kind is the second larger interval 52 of width.In the metal grill 41 of touch control electrode 30, at least partly metal wire 42 is putSet width it is larger second interval 52 in, that is to say, that at least partly metal wire 42 100 place plane of display panel justProjection is in the second larger interval 52 of width, and the first interval 51 and metal wire 42 be not overlapping or at least partly first is spaced51 do not overlap with metal wire 42, in this way, increasing the size of mesh while ensureing touch accuracy, a mesh are made to showThe quantity of the pixel covered in flatness orthographic projection where panel becomes more, to make to be not provided with metal what fourth direction arrangedThe interval of line is increased, i.e., the first interval 51 is increased, in this way, under the premise of ensureing not influencing pixel display, can be reduced as far as possibleFirst is spaced 51 width, thus can increase the width at the second interval 52 while not reducing aperture opening ratio, so as to increaseThe distance between metal wire and adjacent thereto two pixels in the second interval 52, reduce the metal wire in the case where squinting angleTo the possibility that light causes to block, therefore advantageously reduce the touch control electrode 30 that display panel 100 occurs in the case where squinting angleThe visible possibility of figure, to be conducive to promote the display effect of display panel 100.It should be noted that in the present embodiment, it is wideThe first smaller interval 51 of degree can be equal, that is to say, that in the same mesh, the distance between adjacent pixel is phaseDeng.Certainly, the first smaller interval 51 of width may be alternatively provided as unequal, and the application is to this without specifically limiting.
Fig. 9 show another relative position of pixel and metal grill in the display panel that the embodiment of the present application is providedRelational graph, wherein the present embodiment place same as the previously described embodiments repeats no more.
Referring to Fig. 9, orthographic projection and with metal wire 42 adjacent two pictures of the metal wire 42 in 100 place plane of display panelThe distance between element 40 is equal.
It can be seen in fig. 9 that metal wire 42 be located at they center between two neighboring pixel 40, alsoIt is to say that horizontal distance of the metal wire 42 between two pixels 40 adjacent thereto is equal, i.e. d11=d12, the applicationUsing such design, when the metal grill 41 of touch control electrode 30 is arranged, metal wire 42 only need to be placed in the picture adjacent with themCentral area between element 40 without in addition calculating metal wire and the distance between pixel 40 adjacent thereto, therefore hasConducive to the production process of display panel 100 is simplified, the production efficiency of display panel 100 is improved.Moreover, even if existing under big visual anglePart metals line 42 blocks the light that pixel 40 is sent out, it is also ensured that display panel 100 is hidden under each visual angle by metal wire 42The degree of gear is identical, to keep brightness of the display panel 100 under each visual angle identical.It should be noted that in the present embodiment,Interval between adjacent pixel 40 is divided into two kinds, and one is the first smaller interval 51 of width, another kind is larger the of widthIn the first smaller interval 51 of two interval 52, especially width, the width at the first interval 511 and 512 is unequal, that is,In same mesh, the interval between adjacent pixel is unequal, and the width at the first interval 511 is more than the width at the first interval 512Degree is in different layers when touch control electrode uses bilayer or multilayer structure using such design method with metal wire in Fig. 9In metal wire, at least partly metal wire orthographic projection of plane where display panel may be disposed at the first larger interval of widthIn 511, so it is equally beneficial for reducing the visible possibility of touch control electrode figure that display panel occurs in the case where squinting angle.
Figure 10 show another position relationship of pixel and metal wire in the display panel that the embodiment of the present application is providedFigure, wherein the present embodiment place same as the previously described embodiments repeats no more.
Referring to Figure 10, pixel 40 is mutually hung down along the 5th direction and the 6th direction array arrangement, the 5th direction and the 6th directionDirectly；A plurality of metal wire 42 extends along the 5th direction and the 6th direction.By pixel 40 along the 5th direction and the 6th direction array rowCloth makes the first interval 51 and second interval 52 be rendered as the interval of the bar shaped extended along fixed-direction, is conducive to metal wire 42Contraposition simplifies the making of metal wire 42.
Optionally, above-mentioned 5th direction is identical as first direction, and the 6th direction is identical as second direction.
Optionally, on the 6th direction, 40 arranged adjacent of pixel of same color (it is identical that filling is represented in figure), adjacent pictureInterval width between element 40 is equal, forms a plurality of bar shaped interval 53 extended along the 5th direction；
On the 5th direction, 40 arranged adjacent of pixel of different colours, the interval between adjacent pixel 40 includes firstInterval 51 and the second interval 52；
Optionally, pixel 40 includes red pixel 411, blue pixel 412 and green pixel 413.First interval 51 is setSet between blue pixel 412 and green pixel 413 and green pixel 413 and red pixel 411 between, the second interval 52 is setIt sets between red pixel 411 and blue pixel 412.
It is N number of parallel and adjacent to interval in 42 numbers of metal wire be n, then density p=n/N of metal wire 42；Along the 5th sideDensity to the metal wire 42 of extension is ρ 1, and the density of the metal wire 42 extended along the 6th direction is ρ 2,1 > ρ 2 of ρ.Because of edgeThe pixel arranged adjacent of 6th direction same color, on the 5th direction, the pixel arranged adjacent of different colours, and different coloursThe colorful display of display panel is realized between pixel by colour match.So by 1 > ρ 2 of ρ, mesh shape can be made at lengthThe direction rectangle parallel with the 5th direction to make that in a mesh pixel of more colors can be covered, and makes a netPixel in hole can better mix and match, to improve display effect.
Specifically, in embodiment illustrated in fig. 10, the width at the bar shaped interval 53 on the 6th direction between adjacent pixel 40The width at the first interval 51 and the second interval 52 between the pixel 40 adjacent more than on the 5th direction, it is contemplated that by metal wire42 are conducive to avoid the problem that metal wire 42 is visible in the case where squinting angle, therefore, the reality when being arranged in the larger interval of widthExample is applied to correspond in the interval of identical quantity, it is set in X bar shaped interval 53 of arranged adjacent successively on the 6th directionThe quantity of metal wire 42 is more than set in X the first interval 51 and the second interval 52 of the arranged adjacent successively on the 5th directionMetal wire 42 quantity.As can be seen from Figure 10, metal wire 42 is provided in each bar shaped interval 53, and first is spaced 51 HesIn second interval 52, only provided with metal wire 42 in the second larger interval 52 of width, and first interval smaller in widthMetal wire 42 is not set in 51.As is illustrated by figs. 11 and 12, Figure 11 show the display panel that the embodiment of the present application is providedAnother location diagram of middle pixel and metal wire, Figure 12 show sectional views of the Figure 11 along the directions A-A, optionally, such asShown in Figure 12, touch function layer 20 includes first electrode layer 91, the insulating layer that edge is set gradually perpendicular to the direction of display panel93 and the second electrode lay 92；Touch control electrode 30 includes multiple first electrodes 81 positioned at first electrode layer 91 and multiple is located at secondThe second electrode 82 of electrode layer 92, first electrode 81 and second electrode 82 100 place plane of display panel orthographic projection at leastPart is overlapping.It should be noted that the first electrode 81 and second electrode 82 that are marked in Figure 12 are only to represent the office of electrodePortion's schematic diagram, optionally, above-mentioned first electrode 81 include multiple first metal grills, and second electrode 82 includes multiple second metalsGrid；First metal grill includes a plurality of first metal wire 43, and the second metal grill includes a plurality of second metal wire 44；First gold medalBelong to line 43 and the second metal wire 44 to be located in the orthographic projection of 100 place plane of display panel in the second different intervals 52,Wherein, optionally, multiple second intervals 52 include multiple second first interval 521 and multiple second second interval 522, the second first interval521 width is less than the width at the second second interval 522, and the second electrode lay 92 is located at one of first electrode layer 91 far from insulating layer 53Side, the first metal wire 43 are located at the second first interval 521 in the orthographic projection of 100 place plane of display panel, and the second metal wire 44 existsThe orthographic projection of 100 place plane of display panel is located at the second second interval 522.The display panel of the present embodiment includes at least oneOne section, optionally, first section be Figure 11 in Section A-A, the first section it is vertical with 100 place plane of display panel andExtending direction perpendicular to the second interval 52, in the first section, the 51, second first interval 521 of the first interval, the second second interval522 are arranged alternately.In this way, the side that first the 51, second first interval 521 of interval and the second second interval 522 are arranged alternately by the applicationFormula makes each interval be uniformly distributed, is conducive to avoid the occurrence of the visible problem of human eye.
Optionally, continuing with referring to referring to Figure 11, pixel 40 is along the 5th direction and the 6th direction array arrangement, the 5th directionIt is mutually perpendicular to the 6th direction；Optionally, the 5th direction is identical as first direction in the present embodiment, the 6th direction and second directionIt is identical.
On the 6th direction, 40 arranged adjacent of pixel of same color, the interval width between adjacent pixel 40 is equal,Form a plurality of bar shaped interval 53 extended along the 5th direction；
On the 5th direction, 40 arranged adjacent of pixel of different colours, the interval between adjacent pixel 40 includes firstIt is spaced the 51, second first interval 521 and the second second interval 522；
The metal wire 42 extended along the 5th direction is located in bar shaped interval 53, and the metal wire 42 extended along the 6th direction is located atIn second interval 52.
Optionally, continuing with referring to Figure 11, the first metal wire 43 in the embodiment includes extended along the 5th directionOne metal sub-line 431, the second metal wire 44 include the second metal sub-line 441 extended along the 5th direction direction；
On six directions, the first metal sub-line 431 and the second metal sub-line 441 100 place plane of display panel justProjection is arranged alternately and in different bar shaped interval 53.
Specifically, incorporated by reference to Figure 11 and Figure 12, the touch control electrode in the embodiment is constituted using the structure of double-level-metal line,The first metal wire 43 for constituting first electrode 81 and the second metal wire 44 for constituting second electrode 82 are located at different filmsLayer, moreover, the first metal wire 43 and the second metal wire 44 are located in different intervals, such set-up mode effectively preventsUpper/lower layer metallic line is overlapping and the phenomenon that generation parasitic capacitance, is conducive to avoid due to parasitic capacitance between double layer of metal lineIt influences and display panel is caused to occur showing bad phenomenon.In addition, in Section A-A, since the width at the second first interval 521 is smallWidth in the second second interval 522, it is larger that 82 corresponding second metal wire 44 of second electrode far from pixel 40 is located at widthIn second second interval 522, since second electrode 82 is far from pixel, apart from human eye closer to blocking pixel light extraction under big visual angleArea bigger, therefore when increasing the width at the second second interval corresponding to the second metal wire 44 is conducive to reduce under big visual angle theTwo metal wires 44 are to the area of pixel light shield, to be conducive to the problem for avoiding human eye visible.Moreover, because the first metalLine 43 and the second metal wire 44 are located at different film layers, and the degree to shut out the light under big visual angle is different, it is therefore desirable to the second of settingInterval 52 it is of different size, the present embodiment can correspond to different in width respectively according to the first metal wire 43 and the second metal wire 44Second interval 52, can both ensure that the visuality of the first metal wire 43 and the second metal wire 44 was consistent under big visual angle, simultaneouslyThe space at the second interval can be allow adequately to be efficiently used to avoid the space at the second interval of waste, be conducive to increase aobviousShow the aperture opening ratio of panel.
Figure 13 show sectional views of the Figure 11 along the directions B-B, wherein the present embodiment place same as the previously described embodiments is notIt repeats again.
Optionally, section shown in Figure 13 is the second section.Wherein, the second section is to hang down with plane where display panelDirectly, the second section and the section of the extending direction perpendicular to metal wire.
Optionally, in the second section, the line width of the first metal wire 43 is d1, the width at the second first interval 521 is D1, theThe width of two metal wires 44 is d2, the width at the second second interval 522 is D2；Wherein, width is metal wire or is spaced in perpendicular to itLength on extending direction.
Along perpendicular to the direction of display panel 100, the distance between the first metal wire 43 and adjacent pixel 40 are h1, theThe distance between two metal wires 44 and adjacent pixel 40 are h2；
(i.e. luminescence unit, in other words luminous organic material, in other words pixel definition it should be noted that metal wire and pixelThe opening of layer) not in same film layer.For example, film layer 88, optionally, this implementation are provided in Figure 13 between metal wire and pixelThe corresponding touch control electrode of display panel in example is On-cell structures, and film layer 88 can be presented as thin-film encapsulation layer at this time.Certainly existIn other embodiment, display panel can be the touch-control structure of external hanging type, and touch function layer includes individual underlay substrate, substrateSubstrate underlay substrate carries each dependency structure or film layer in touch function layer.For example, being cascading on underlay substrateBuffer layer, touch control electrode, insulating layer etc., at this time film layer 88 can be presented as the buffer layer in thin-film encapsulation layer and underlay substrate.
So the metal wire described in the present embodiment can be understood as with adjacent the distance between pixel：Perpendicular to displayOn the direction of panel, from going out for pixel (i.e. luminescence unit, in other words luminous organic material, the in other words opening of pixel defining layer)Smooth surface is to surface the distance between of the metal wire far from pixel.
Wherein, arctan (D1-d1)/2h1>=40 °, arctan (D2-d2)/2h2>=40 °,
Optionally, arctan (D1-d1)/2h1=arctan (D2-d2)/2h2。
Specifically, referring to Figure 13, human eye is usually θ to the viewing angle of display panel, optionally, θ >=40 °, this implementationExample makes user can't see metal wire under above-mentioned viewing angle by design.Angle theta 1 namely in embodiment illustrated in fig. 13With θ 2, under regular situation, when angle theta 1 is less than 40 °, the first metal wire 43 can cause to block to light, influence to squint under angleVisual angle, visual angle herein refers to human eye and the angle between the direction of display panel, similarly, when angle theta 2 is less thanAt 40 °, the first metal wire 43 can cause to block to light, influence to squint the visual angle under angle.Specific in Figure 13, it is being parallel toOn the direction of display panel, the distance of metal wire to both sides pixel is equal.In view of tan θ 1=(D1/2-d1/2)/h1=(D1-d1)/2h1, tan θ 2=(D2/2-d2/2)/h2=(D2-d2)/2h2, therefore obtain, θ 1=arctan (D1-d1)/2h1, θ 2=arctan(D2-d2)/2h2, the application pass through be arranged the first metal wire 43 and the second metal wire 44 line width d1And d2, between the second firstEvery 521 width D1, the second second interval 522 width D2, the first metal wire 43 and the second metal wire 44 respectively with adjacent pixel 40The distance between h1And h2So that arctan (D1-d1)/2h1=arctan (D2-d2)/2h2>=40 °, that is, make θ 1=θ 2It >=40 °, can be caused from the light for avoiding the first metal wire 43 and the second metal wire 44 to send out pixel 40 to the full extentIt blocks, thus greatly reduces the problem that metal wire 42 is visible in the case where squinting angle, be conducive to the display for promoting display panel 100Effect, in addition, when θ 1=θ 2, according to identical angle come separately design the first metal wire 43 and the second metal wire 44 line width,The width and the first metal wire 43 and the second metal wire 44 at the width at the second first interval 521 and the second second interval 522 respectively withThe distance between adjacent pixel 40 is conducive to simplify production process, improves life compared to the mode for separately designing different anglesProduce efficiency.
The display panel provided through this embodiment can both avoid for accommodating metal wire second interval from excessively increasingGreatly, the aperture opening ratio and display effect of display panel panel are influenced；It also ensures under the viewing angle of needs, metal wire is completely notAs it can be seen that metal wire will not block the light extraction of pixel completely under the viewing angle of needs, so more targetedly, more accurately changeThe visible problem of kind touch pattern.
As shown in figure 14, Figure 14 show sectional views of the Figure 11 along the directions A-A；Figure, wherein the present embodiment and above-mentioned realityA something in common is applied to repeat no more.
Optionally, shown in Figure 14 shown in section be third section, wherein third section be and display panel where planeVertically, the section of the extending direction and perpendicular to the first metal wire.
Optionally, display panel includes the first metal grill and the second metal grill of different layer setting.First metal grillIncluding a plurality of first metal wire 43, the second metal grill includes a plurality of second metal wire 44；In the second section, at least partly firstMetal wire 43 and at least partly the second metal wire 44 are located at identical second and are spaced in 52.Optionally, the second metal grill is located atSide of first metal grill far from pixel.That is, the distance of the first metal wire to pixel is less than the second metal wire to pictureThe distance of element.
Optionally, at least partly the first metal wire and at least partly the second metal wire are located in identical second interval.
Specifically, it corresponds in Figure 11, the first metal wire of part 43 and the second metal wire of part 44 are in 100 institute of display panelIt is to intersect in the orthographic projection of plane, the sectional view of cross section can be found in Figure 14, such as third section (section B-B), theOne metal wire 43 and the second metal wire 44 are to be located at identical second to be spaced 52 in the orthographic projection of 100 place plane of display panel, the extending direction of the first metal wire 43 and the second metal wire 44 is vertical at this time.
Certainly, in other alternative embodiments of the application, at least partly the first metal wire and the second metal wire extension sideTo that can be identical, the orthographic projection of plane where display panel be overlapping, that is to say, that at least partly the first metal wireIt is consistent with the extending direction of the second metal wire of part, and in a certain section, at least there is extending direction consistent one piece theOne metal wire and second metal wire are located in same second interval.
Optionally, in third section, along perpendicular to the direction of display panel 100, the second metal wire 44 and pixel 40 itBetween distance be h2, the width of the second metal wire 44 is d2, the width at the second interval 52 is D3, wherein arctan (D3-d2)/2h2≥40°。
Optionally, the width of the first metal wire is not more than the width of the second metal wire, wherein width mentioned here is goldThe length for belonging to line or being spaced on its extending direction.
Optionally, the first metal wire and the second metal wire are respectively positioned on the centre position at the second interval, that is, are being parallel to displayOn the direction of panel, the distance of the first metal wire and the second metal wire to the pixel of both sides is equal, thereby may be ensured that in metalThe viewing effect of line both sides is consistent, further improves display effect.
Specifically, in embodiment illustrated in fig. 14, for the position of the first metal wire 43, the second metal wire 44 more leans onNearly light-emitting surface, light-emitting surface mentioned here are two surfaces for being used for light extraction relatively and in parallel surface of display panel 100.Certainly, if the display panel that display panel 100 is double-sided display is equally applicable, i.e., the second electrode lay 92 is close to display panel100 outer surface, first electrode layer 91 is between the second electrode lay 92 and pixel 40.Second metal wire 44 close to light-emitting surface,That is human eye is when watching the content shown by display panel 100 under squinting angle, the second metal wire 44 apart from human eye moreIt is closer, it is contemplated that usually with the light that is dissipated into metal wire from pixel and between the straight line of plane where display panelThe size of angle judge whether the metal wire is in the light, since the second metal wire 44 is closer to light-emitting surface, for human eyeFor viewing angle, the second metal wire 44 is easier to cause to block to the light that pixel 40 is sent out, further, since in the present embodiment4 > θ 3 of θ, the first metal wire 43 just will not be right as long as ensuring that light that the second metal wire 44 does not send out pixel 40 causes to blockThe light that same pixel 40 is sent out causes to block.The light that the pixel 40 adjacent with the second metal wire 44 is sent out in the embodiment of the present applicationLine and the angle between the straight line of 100 place plane of display panel are θ 3, due to tan θ 3=(D3/2-d2/2)/h2=(D3-d2)/2h2, therefore obtain θ 3=arctan (D3-d2)/2h2>=40 °, using such design, it can effectively avoid the second gold medalBelong to the light that line 44 sends out pixel 40 to cause to block, thus it is visible to advantageously reduce the second metal wire 44 in the case where squinting angleThe possibility that problem occurs, while as 3 >=40 ° of θ, 40 ° of 4 > of θ equally can effectively avoid the first metal wire 43 to pixel in this way40 light sent out cause to block, thus advantageously reduce that the first metal wire 43 is visible in the case where squinting angle problem occurs canCan, to be conducive to promote the display effect of display panel 100.
The display panel provided through this embodiment, you can both to avoid excessively increasing for accommodating the second interval of metal wireGreatly, the aperture opening ratio and display effect of display panel panel are influenced；It also ensures under the viewing angle of needs, metal wire is completely notAs it can be seen that metal wire will not block the light extraction of pixel completely under the viewing angle of needs, so more targetedly, more accurately changeThe visible problem of kind touch pattern；Moreover, by being arranged the first metal wire and the second metal wire in same second interval, onlyThe width to the second interval is needed to meet arctan (D3-d2)/2h2>=40 ° can ensure the first metal wire and the second gold medal simultaneouslyBelong to line under the viewing angle of needs completely it is invisible, that is to say, that only need consider the second metal wire with second be spaced takeThe light extraction of pixel will not be blocked completely with can just make the first metal wire and the second metal wire just.So this embodiment simplifiesThe design of display panel, meanwhile, light-out effect is further improved, meanwhile, the occupied space of metal wire is also saved, saves secondIt is spaced the space of the display panel occupied, improves the aperture opening ratio of display panel.
Figure 15 show another position relationship of pixel and metal wire in the display panel that the embodiment of the present application is providedFigure, wherein the present embodiment place same as the previously described embodiments repeats no more.
Referring to Figure 15, display panel further includes multiple pixel column units 70 arranged along eighth direction, pixel column unit 70Including multiple pixels 40 along the arrangement of the 7th direction；Wherein, interlaced with each other along the adjacent pixel 40 of eighth direction；
Optionally, eighth direction is identical as first direction, and the 7th direction is identical as second direction,
Interval on the 7th direction between adjacent pixel 40 includes the first interval 61 and the second interval 62；
The a plurality of second gold that metal grill includes a plurality of first metal wire 71 extended along the 7th direction and extends along eighth directionBelong to line 72；
First metal wire 71 is at interval of the orthographic projection between adjacent pixel column unit 70 of plane where display panelIn；
Second metal wire 72 is located in the orthographic projection of plane where display panel in the second interval 62.
In the embodiment, the pixel 40 adjacent along eighth direction is interlaced with each other, and the pixel 40 adjacent along the 7th direction is each otherAlignment arrangement.In this way, including interval between adjacent pixel in display panel, wherein in the present embodiment, the interval between pixelExtend along the 7th direction including multiple, along the interval of the elongate in shape of eighth direction arrangement；Adjacent prolongs along the 7th directionThe interval for extending strip is connected by multiple short intervals.Short mentioned here is divided between the adjacent pixel in the 7th directionInterval.
Optionally, the interval between pixel 40 adjacent on the 7th direction (i.e. above-mentioned short interval) includes that width is smallerFirst interval 61 and width it is larger second interval 62, along the 7th direction extend first metal wire 71 be located at adjacent pixel listIn interval between member 70, the second metal wire 72 extended along eighth direction is located in the second larger interval 62 of width.Optionally,3 pixels 40 are included at least in the mesh staggeredly limited by first metal wire 71 and second metal wire 72, optionally, in a mesh3 pixels are the pixel of different colours.Optionally, the pixel of 3 different colours here is respectively red, green, blue color pixel.PhaseAdjacent pixel makes display panel show colored picture by principles such as colour mixtures, therefore, by by the pixel in a meshThe pixel for including 3 different colours allows multiple pixels in a mesh to arrange in pairs or groups each other and shows a variety of colors, that is,It says, the separated each region in the second larger interval of width is provided with the ability of display a variety of colors, to avoid between secondThere is difference in different zones every causing the picture that display panel is shown.
The mode for only including a pixel 40 in compared with prior art in a mesh, is equivalent to the face for increasing meshProduct, reduces the density of grid, and metal wire is placed in the larger interval of width, reduces on display panel by metal wireThe region blocked further reduced the possibility that the light that pixel 40 is sent out is blocked by metal wire, therefore be conducive to avoidAngle is small the visible phenomenon of metal wire occurs for strabismus, thus is conducive to be promoted the display effect of display panel.
The display panel provided through this embodiment, multiple pixels are staggered at least one direction, to makeThere is the case where interlocking, i.e., above-mentioned short interval, along the short interval of eighth direction in the interval between the pixel at least one directionA straight long interval can not be connected into it, but it is short to need the interval of the elongate in shape extended along the 7th direction to connect theseInterval.By the way that by these short interval difference settings, such as the present embodiment, short interval is respectively set between of different size firstIt is spaced every with second, in this way, while can realizing improvement above-mentioned display effect by the interval of these difference settings, may be used alsoTo avoid along a direction first interval or second interval development length it is very long, make naked eyes it is visible or make display picture occur it is brightDark fringe.
Figure 16 show another position relationship of pixel and metal wire in the display panel that the embodiment of the present application is providedFigure, Figure 17 show another location diagram of pixel and metal wire in the display panel that the embodiment of the present application is provided,In, the two embodiments place same as the previously described embodiments repeats no more.It should be noted that Figure 16 and embodiment illustrated in fig. 17It is only shown schematically the location diagram of one or both of the metal grill for constituting touch control electrode mesh and pixel, notThe overall picture of metal grill can be embodied.
Optionally, in Figure 16 and embodiment illustrated in fig. 17, display panel includes multiple pixel columns arranged along eighth directionUnit 70, pixel column unit 70 include multiple pixels 40 along the arrangement of the 7th direction；Wherein, along the adjacent pixel 40 of eighth directionIt is interlaced with each other；70 form multiple the one the third intervals 75 extended along the 7th direction, each pixel column unit between each pixel column unitIn 70, multiple the two the third intervals 76 are formed between at least partly adjacent two pixels.
Optionally, eighth direction is identical as first direction, and the 7th direction is identical as second direction,
Referring to Figure 16 and Figure 17, the mesh 48 of metal grill is made of multiple polyline shaped metal wires connected in sequence, broken lineShape metal wire includes first metal wire 71 and second metal wire 72, and wherein first metal wire 71 extends along the 7th direction, 72 edge of second metal wireEighth direction extends.
Optionally, it is located at the one the third intervals 75 along the first metal wire 71 that the 7th direction extends, the second extended along eighth directionMetal wire 72 is located at the two the third intervals 76.
Optionally, adjacent the two the third interval 76 is located between the pixel of different combinations of colors, certainly, in some other realitiesIt applies in example, adjacent the two the third interval 76 may be alternatively located between the pixel of same color combination, and the application is to this without specificIt limits.
It can be seen that from Figure 16 and embodiment illustrated in fig. 17, a plurality of first metal wire 71 and a plurality of second metal wire 72, which interlock, to be limitedInclude several pixels 40 in one metal mesh opening 48, compared with prior art in only include a pixel 40 in a metal mesh openingMode, the area of metal mesh opening 48 becomes larger, and greatly reduces the density of metal grill in entire touch control electrode, largelyThe possibility that the light that metal wire sends out pixel 40 blocks is reduced, the metal occurred in the case where squinting angle is effectively preventedThe visible problem of line is more conducive to the display effect for promoting display panel.
It should be noted that the pixel for being located at the viewing area for the display panel that the embodiment of the present application is provided includes red pictureElement, green pixel and blue pixel, may also include the 4th color pixel, such as white pixel etc..In the embodiment of the present application width compared withBig pixel separation can be located between two pixels of arbitrary neighborhood, and the location of larger pixel separation of width is not by pictureThe influence of plain color.
In addition, in each attached drawing that the embodiment of the present application is provided, first direction, fourth direction, the 5th direction and eighthTo that can be identical, it can be not exactly the same, can also be entirely different, the application is to this without limiting；SeparatelyOutside, second direction, third direction, the 6th direction and first direction can be identical, can also be not exactly the same, may be used alsoTo be entirely different, the application is to this without specifically limiting.
Based on same inventive concept, the application also provides a kind of display device, and Figure 18 show the embodiment of the present application and carriedA kind of structural schematic diagram of the display device of confession, the display device 200 include display panel 100 provided herein.It needsIllustrate, the display device 200 that the embodiment of the present application is provided can be：Mobile phone, tablet computer, television set, display, penRemember any product or component with display function such as this computer, Digital Frame, navigator.Display device 200 in the applicationEmbodiment can be found in the embodiment of above-mentioned display panel 100, and repeating place, details are not described herein again.
By the above various embodiments it is found that advantageous effect existing for the application is：
Display panel and display device provided herein is provided with touch function in the light emission side of display function layerLayer, touch function layer includes the touch control electrode of multiple covering viewing areas, in particular, the touch control electrode is rectangular strip electrode, oftenA touch control electrode includes multiple metal grills being made of a plurality of metal wire, and metal wire is between adjacent pixel, a plurality of metalLine staggeredly limits multiple mesh, and the orthographic projection of at least one mesh plane where display panel at least covers two pixels,Each mesh only covers the scheme of a pixel in compared with prior art, and mesh is close in the metal grill of the application touch control electrodeDegree is smaller, under the premise of ensureing that the touch-control sensitivity of touch control electrode is no less than the touch-control sensitivity of diamond shape touch control electrode, favorablyIn improving display panel and the display device visible problem of touch control electrode figure in the case where squinting angle, to be conducive to promote displayThe display effect of panel and display device.
Several preferred embodiments of the application have shown and described in above description, but as previously described, it should be understood that the applicationBe not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth hereinIt is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this ShenIt please be in the protection domain of appended claims.