Display panel and display deviceTechnical field
The present invention relates to display field more particularly to a kind of display panel and display devices.
Background technique
As the universalness degree of Mobile portable equipment is higher and higher, height screen accounting screen is more preferably regarded due to that can give userFeel the future developing trend for experiencing and becoming the electronic equipments such as mobile phone, plate.Screen accounting is for indicating screen and Mobile telephone front panelHow the relative ratio of area, the visual experience that reflects user for mobile device realize the display of 100% screen accountingEffect is current industry problem urgently to be resolved.
But for the portable equipments such as mobile phone, other than showing screen, plate top position placement in front is also neededSome function elements such as camera, flash lamp, light sensor etc., these devices are needed from panel front daylighting, due to traditionScreen can block above-mentioned function element, and the common practice in industry is that front panel is done abnormity cutting at present, cropPart of screen is to realize light transmission, with the normal work of this assurance function device.Above-mentioned way is in the integrality for destroying monolith screenWhile, it can not also accomplish comprehensive display of 100% screen accounting always.
The solution that another kind shields comprehensively is to accomplish function element such as front camera to make on individual mechanical moduleFor the component of independent control, default hidden is in fuselage interior, when user such as takes pictures, shoots the video at the demands, camera meetingThe instruction automatic spring of response system skids off manually, i.e., so-called " Pop-up " or " sliding cover type " design.However, being limited to machineryThe factor of structure, the camera pop-up time is slow, and opening speed lags behind the camera of traditional sense；Secondly because mechanicalStructure is influenced by assembly technology, so that there are gaps between pop-up functional module and display panel ontology, vulnerable to the external worldDust intrusion, cannot accomplish good water proof and dust proof；Furthermore Pop-up designs its mechanical structure there are higher failure rate,Sliding cover type design is easy to the problem of firmly excessive caused winding displacement damage occur artificially, therefore the program still affects user to productionThe usage experience of product.
Therefore, how screen integrality is not being destroyed, and under the premise of not introducing new mechanical structure, is realizing that 100% is completeFace is this field urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of display panel and display device, it can be achieved that not destroying screen integrality,Under the premise of not introducing new mechanical structure again, realize that 100% shields display effect comprehensively.
To solve the above-mentioned problems, a kind of display panel is provided in one embodiment of the invention, including backlight and setting existDisplay unit in the backlight, the backlight are equipped with first through hole；The display unit includes be oppositely arrangedOne substrate and the second substrate and the liquid crystal layer being arranged between the first substrate and the second substrate；The display panel is alsoThe first backlight and the second backlight including the backlight board ends are arranged in, first backlight include tri- color of RGBColor light source, second backlight includes white light source, and first backlight is positioned close at the first through hole, describedSecond backlight is arranged far from the first through hole.
Further, wherein the liquid crystal layer includes different the first liquid crystal layer and the second liquid crystal layer of material, described secondLiquid crystal layer is correspondingly arranged in the first through hole, and first liquid crystal layer is arranged in the backlight.
Further, wherein first liquid crystal layer includes multiple liquid crystal molecules, the liquid crystal molecule include biphenyl liquid crystal,Cyclohexylbenzene liquid crystal or ester liquid crystal.
Further, wherein the material of second liquid crystal layer includes scattering type liquid crystal；The scattering type liquid crystal includes moreA liquid crystal molecule and network polymers.
Further, wherein the display unit further includes the down polaroid being arranged between first substrate and backlight,Upper polaroid in the second substrate is set, and the down polaroid and the upper polaroid respectively correspond the position of the first through holeIt sets place and is equipped with the second through-hole.
Further, wherein the area of the first through hole is less than the area of second through-hole.
Further, wherein the first through hole or second through-hole is rounded, in triangle, rectangle or polygonIt is any.
A kind of display device, including display panel described in any of the above embodiments are provided in further embodiment of this invention.
Further, wherein the display device further includes sensor, the sensor be located at below the backlight andIt is oppositely arranged with the first through hole.
Further, wherein the sensor includes camera sensing device, flash lamp, light sensor, breath light sensingOne of device, range sensor, fingerprint scanner sensor, microphone sensor or transparent antenna sensor or combinations thereof.
It is an advantage of the current invention that a kind of display panel and display device are provided, by being arranged in sensor opposed areaTransparence display area carries out transparent state and picture according to demand and shows the switching of state, it can be achieved that not destroying screen integrality, and notUnder the premise of introducing new mechanical structure, realize that 100% shields display effect comprehensively.
Detailed description of the invention
Fig. 1 is the perspective structure schematic diagram of display panel in one embodiment of the invention；
Fig. 2 is the sectional view of display panel in one embodiment of the invention；
Fig. 3 is the part configuration schematic diagram of display panel in one embodiment of the invention；
Fig. 4 is the planar structure schematic diagram of the display panel in another embodiment of the present invention, wherein transparence display Qu ChengyuanShape；
Fig. 5 is the planar structure schematic diagram of the display panel in further embodiment of this invention, and wherein transparence display area is in squareShape；
Fig. 6 is the display effect top view of the sensor open state of display panel in one embodiment of the invention；
Fig. 7 is the display effect top view of the sensor closed state of display panel in one embodiment of the invention；
Fig. 8 is the production flow diagram of display panel in one embodiment of the invention.
Component mark is as follows in figure:
1, backlight, 2, display unit, the 3, first backlight, the 4, second backlight,
5, down polaroid, 6, upper polaroid, 7, sensor, 11, first through hole 11,
12, the second through-hole, 21, first substrate, 22, the second substrate, 23, liquid crystal layer,
231, the first liquid crystal layer, the 232, second liquid crystal layer, 100, display panel.
Specific embodiment
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through itBetween other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature existsSecond feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative ofFirst feature horizontal height is less than second feature.
In the present invention, identical or corresponding component is presented with like reference characters and unrelated with figure number, is illustratingIn book full text, when the wording such as " first ", " second " can be used for describing various parts, these components are not necessarily limited to the above wording.The above wording is only used for distinguishing a component with another component.
It please refers to shown in FIG. 1 to FIG. 3, includes that backlight 1 and setting exist the invention shows panel 100 in one embodimentFirst backlight 3 and the second backlight 4 at 1 both ends of backlight, first backlight is arranged in display unit 2 thereonSource 3 includes tri- color color light source of RGB, and second backlight 4 includes white light source；The backlight 1 is equipped with first through hole11；First backlight 3 is positioned close at the first through hole 11, and second backlight 4 is arranged far from describedAt one through-hole 11；The display unit 2 includes the first substrate 21 that is oppositely arranged and the second substrate 22 and liquid between the twoCrystal layer 23.
In the present embodiment, the liquid crystal layer 23 includes different the first liquid crystal layers 231 and the second liquid crystal layer 232 of material, instituteIt states the second liquid crystal layer 232 to be correspondingly arranged in the first through hole 11, first liquid crystal layer 231 is arranged in the backlight 1On.It is removed on other regions of the first through hole 11 in particular, the backlight 1 is arranged in first liquid crystal layer 231.
In the present embodiment, first liquid crystal layer 231 is the common liquid crystals of the prior art, and first liquid crystal layer 231 wrapsMultiple liquid crystal molecules are included, the liquid crystal molecule includes biphenyl liquid crystal, cyclohexylbenzene liquid crystal or ester liquid crystal.Second liquid crystalThe material of layer 232 includes scattering type liquid crystal；The scattering type liquid crystal includes multiple liquid crystal molecules and polymer, it can be achieved that transparent stateThe switching of state is shown with picture.
Liquid crystal molecule rotates first liquid crystal layer 231 (i.e. common liquid crystals) after application of a voltage, controls the saturating of lightIt crosses rate and realizes that grayscale is shown；Due to increasing certain polymer, the two folding in second liquid crystal layer 232 (i.e. scattering type liquid crystal)Rate difference is penetrated, refringence is generated by the surface that voltage controls liquid crystal and polymer, so that light penetrates or in the two tableFace scatters, therefore transparent state or mist state may be implemented.The scattering of light can be realized under mist state with light transmission under transparent stateAnd then for showing picture.
The detailed process that second liquid crystal layer 232 uses are as follows: liquid crystal and polymer anisotropic Jie having the sameElectric constant, when voltage or voltage is not added lower than threshold voltage, liquid crystal molecule is not present in horizontally arranged with its interpolymer materialRefringence, therefore do not scatter；When the voltage of application is higher than threshold voltage, liquid crystal molecule is rotated, direction edgeVertical direction arrangement, change the anisotropic characteristic of the dielectric constant of liquid crystal, therefore on the surface of liquid crystal and polymerRefringence is generated, light scatters here, and observed person sees.
When in use, first backlight 3 is positioned close at the first through hole 11, and first backlight 3 wrapsTri- color color light source of RGB is included, to provide light source to second liquid crystal layer 232 being correspondingly arranged in the first through hole 11To show colour picture.Second backlight 4 is arranged far from the first through hole 11, and second backlight 4 includesWhite light source, to provide light source to first liquid crystal layer 231.It should be noted that in actual device production, described theTwo backlights 4 are placed in the top of the backlight 1 laterally to light, and being placed on 1 top of backlight is to realize that the purpose is excellentMode is selected, the embodiment of other modes of emplacement is by the protection of this patent.
In the present embodiment, the display unit 2 further includes the down polaroid being arranged between first substrate 21 and backlight 15, the upper polaroid 6 in the second substrate 22 is set, and the down polaroid 5 and the upper polaroid 6 respectively correspond described firstThe second through-hole 12 is equipped at the position of through-hole 11.It is understood that the down polaroid 5 and upper polaroid 6 are located at instituteThe two sides of the first liquid crystal layer 231 are stated, effect is to provide linearly polarized light and realizes that first liquid crystal layer 231 shows pictureLight and shade variation.It carries out borehole in the down polaroid 5 and corresponding 11 corresponding position of first through hole of upper polaroid 6 and institute is setThe second through-hole 12 is stated, the region without polarizing function is formed, to guarantee the light transmission energy of second liquid crystal layer 232 in the clear statePower.
In the present embodiment, the area of the first through hole 11 is less than the area of second through-hole 12.Setting can be in this wayGuarantee that second liquid crystal layer 232 can all be shown without being blocked.
Please refer to shown in Fig. 4-Fig. 6, in the present embodiment, the first through hole 11 or second through-hole 12 it is rounded, threeAny one of angular, rectangle or polygon.
The display device of that present invention includes above-mentioned display panel 100.
In the present embodiment, the display device further includes sensor 7, the sensor 7 be located at 1 lower section of the backlight andIt is oppositely arranged with the first through hole 11.
In the present embodiment, the sensor 7 includes camera sensing device, flash lamp, light sensor, breath light sensingOne of device, range sensor, fingerprint scanner sensor, microphone sensor or transparent antenna sensor or combinations thereof.
It please refers to shown in Fig. 6, Fig. 7, by taking sensor 7 is camera as an example, Fig. 6 and Fig. 7 are respectively that camera is opened and closedThe display effect top view of closed state.As shown in fig. 6, display picture disappears, and pellucidity is presented when camera is opened, it is itRear camera provides daylighting channel.As shown in fig. 7, picture is presented and shows state, picture reaches at this time when camera is closed100% full screen is shown.
It please referring to shown in Fig. 8, the present invention provides a kind of control method of display panel, in one embodiment, the controlMethod includes the following steps:
S1, the sensor 7 is closed, the display unit 2 shows that state carries out picture and shows in picture, first liquid crystalDisplay picture, the display panel 100 are in screen display state comprehensively jointly for layer 231 and second liquid crystal layer 232；
S2, the sensor 7 is opened, it is logical to provide daylighting for the sensor 7 for the transparent state of second liquid crystal layer 232Road, so that the sensor 7 works normally, and first liquid crystal layer 231 then shows picture.
It is an advantage of the current invention that a kind of display panel and display device are provided, by being arranged in sensor opposed areaTransparence display area carries out transparent state and picture according to demand and shows the switching of state, it can be achieved that not destroying screen integrality, and notUnder the premise of introducing new mechanical structure, realize that 100% shields display effect comprehensively.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the artMember, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded asProtection scope of the present invention.