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CN203909438U - Display panel and display device - Google Patents

Display panel and display device
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Publication number
CN203909438U
CN203909438UCN201420128605.4UCN201420128605UCN203909438UCN 203909438 UCN203909438 UCN 203909438UCN 201420128605 UCN201420128605 UCN 201420128605UCN 203909438 UCN203909438 UCN 203909438U
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China
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electrode
display panel
liquid crystal
retardation film
electrode unit
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CN201420128605.4U
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Chinese (zh)
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王英涛
姚继开
柳在健
铃木照晃
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Abstract

Translated fromChinese

本实用新型提供一种显示面板和显示装置。该显示面板包括彩膜基板、阵列基板以及封装于彩膜基板和阵列基板之间的液晶,显示面板具有多个子像素区,每个子像素区包括透射区域和反射区域,阵列基板朝向彩膜基板的一侧设置有第一电极单元,彩膜基板朝向阵列基板的一侧设置有第二电极单元,第二电极单元位于透射区域;对应着透射区域的第一电极单元和第二电极单元能使得对应着透射区域的液晶偏转,从而使入射的光线产生λ/2的相位延迟,对应着反射区域的第一电极单元能使得对应着反射区域的液晶偏转,从而使入射的光线产生λ/4的相位延迟。该显示面板制作难度低,显示色差小,显示品质大大提升。

The utility model provides a display panel and a display device. The display panel includes a color filter substrate, an array substrate, and a liquid crystal packaged between the color filter substrate and the array substrate. The display panel has a plurality of sub-pixel areas, each sub-pixel area includes a transmission area and a reflection area, and the array substrate faces the side of the color filter substrate. One side is provided with a first electrode unit, and the side of the color filter substrate facing the array substrate is provided with a second electrode unit, and the second electrode unit is located in the transmission area; the first electrode unit and the second electrode unit corresponding to the transmission area can make the corresponding The liquid crystal in the transmissive area is deflected, so that the incident light produces a phase delay of λ/2, and the first electrode unit corresponding to the reflective area can deflect the liquid crystal corresponding to the reflective area, so that the incident light produces a phase of λ/4 Delay. The manufacturing difficulty of the display panel is low, the display color difference is small, and the display quality is greatly improved.

Description

A kind of display panel and display device
Technical field
The utility model relates to display technique field, particularly, relates to a kind of display panel and display device.
Background technology
Along with the development of display technique and social progress, liquid crystal display is applied by people more and more widely, plays vital effect in commercial production, people's lives.
Liquid crystal display (Liquid Crystal Display is called for short LCD) has the features such as volume is little, low in energy consumption, radiationless, has obtained in recent years developing by leaps and bounds, and in current flat panel display market, has occupied leading position.At present, LCD is widely used on various big-and-middle undersized products, almost contain the main electronic product of current information society, as LCD TV, high definition digital television, computer (desk-top and notebook), mobile phone, PDA, GPS, car-mounted display, Projection Display, video camera, digital camera, accutron, counter, electronic instrument and meter, public demonstration and illusory demonstration etc., be that current any traditional display modes cannot be reached.
But because liquid crystal material itself can not be luminous, LCD is a kind of passive display device, need to could realize by means of external light source the demonstration of certain brightness and color.Classify according to the mode of utilizing external light source, LCD generally comprises reflection type LCD (Reflective LCD, be called for short RE-LCD), transmission-type LCD(Transmissive LCD, be called for short TS-LCD) and Transflective LCD(Transflective LCD, be called for short TR-LCD).TR-LCD can adopt the display mode of RE-LCD in the sufficient situation of ambient light, has both overcome TS-LCD and under high light, has shown fuzzy defect, has reduced again power consumption; And in dark surrounds situation, can light backlightly, and adopt TS-LCD display mode, overcome the defect that RE-LCD cannot show under dark surrounds.
Transflective display panels is mainly formed box by color membrane substrates and array base palte, filling liquid crystal between color membrane substrates and array base palte and form liquid crystal cell.Transflective display panels has multiple pixel regions, and described each pixel region comprises multiple subpixel area, and each subpixel area comprises transmission area and echo area.When Transflective display panels is during in reflective mode operation, enter twice of the light of echo area through echo area, and when Transflective display panels is during in transmissive operation pattern, enter the light of transmission area only once through transmission area, like this, just cause the light that under different working modes, in Transflective display panels, different light sources sends different from the light path of transmission area in echo area, make under different working modes the aberration of transmission area and echo area larger, cause the image showing in semi-transmission semi-reflection LCD to occur the inharmonic situation of color.
The reason that the problems referred to above produce be echo area from the light in transmission area because light path is different, and then the phase-delay quantity of the light by transmission area and echo area is not mated.In order to improve the inharmonic phenomenon of color, at present, Transflective display panels adopts dual-box thick spacing design conventionally, it is the thick half of box of the thick liquid crystal cell for corresponding transmission area of box of the liquid crystal cell of echo area, can mate by the phase-delay quantity of the light of transmission area and echo area with guarantee, thereby ensure that the aberration of transmission area and echo area is less and matching in color.But the display panels of this structure is because liquid crystal cell exists the thick difference of box, cause the complex manufacturing technology of display panels, the thick homogeneity of box is wayward, and may produce deformity because the thick difference of liquid crystal cell box makes liquid crystal molecule at the intersection of echo area and transmission area, thereby cause the contrast of intersection not high, color saturation is bad.
Utility model content
The utility model, for the above-mentioned technical matters existing in prior art, provides a kind of display panel and display device.This display panel is by arranging the first electrode unit and the second electrode unit, and make the second electrode unit be positioned at regional transmission, make to produce by the light of liquid crystal in regional transmission the phase delay of λ/2, produce the phase delay of λ/4 by the light of liquid crystal in reflector space; Coordinate the first phase retardation film, the second phase retardation film and the first polaroid and the second polaroid, realized semi-transparent semi-reflecting demonstration.This display panel is easy to make, and the aberration of regional transmission and reflector space is less, and display quality promotes greatly.
The utility model provides a kind of display panel, comprise color membrane substrates, array base palte and be packaged in described color membrane substrates and described array base palte between liquid crystal, described display panel has multiple sub-pixel area, each described sub-pixel area comprises regional transmission and reflector space, described array base palte is provided with the first electrode unit towards a side of described color membrane substrates, described color membrane substrates is provided with the second electrode unit towards a side of described array base palte, and described the second electrode unit is positioned at described regional transmission; Described first electrode unit of corresponding described regional transmission and described the second electrode unit can make corresponding the liquid crystal deflection of described regional transmission, thereby make the light of incident produce the phase delay of λ/2, described first electrode unit of corresponding described reflector space can make corresponding the liquid crystal deflection of described reflector space, thereby makes the light of incident produce the phase delay of λ/4.
Preferably, described array base palte is a side of described color membrane substrates dorsad, has the first phase retardation film at the region division of at least corresponding described regional transmission, and described the first phase retardation film is quarter wave plate; Described color membrane substrates is provided with the second phase retardation film in a side of described array base palte dorsad, and described the second phase retardation film is quarter wave plate; The optical axis of described the first phase retardation film is vertical with the optical axis of described the second phase retardation film.
Preferably, described array base palte is a side of described color membrane substrates dorsad, is also provided with the first polaroid in the region of at least corresponding described regional transmission, and described the first polaroid is positioned at the side of described the first phase retardation film away from described array base palte;
Described color membrane substrates is also provided with the second polaroid in a side of described array base palte dorsad, and described the second polaroid is positioned at the side of described the second phase retardation film away from described color membrane substrates;
The light transmission shaft of described the first polaroid is vertical with the light transmission shaft of described the second polaroid, and the light transmission shaft angle of the optical axis of described the first phase retardation film and described the first polaroid is 45 °, the light transmission shaft angle of the optical axis of described the second phase retardation film and described the second polaroid is 45 °.
Preferably, described the first electrode unit comprises the first pixel electrode and the first public electrode that multiple strips, parallel interval distribute, and described the first pixel electrode and described the first public electrode are crisscross arranged; Described the second electrode unit comprises the second pixel electrode and the second public electrode that multiple strips, parallel interval distribute, and described the second pixel electrode and described the second public electrode are crisscross arranged; Described the first electrode unit and described second electrode unit of corresponding described regional transmission are symmetrical, and described the first pixel electrode is corresponding with described the second pixel electrode, and described the first public electrode is corresponding with described the second public electrode.
Preferably, described the first public electrode can apply identical voltage with on described the second public electrode, described the first pixel electrode can apply identical voltage with on described the second pixel electrode, described the first public electrode can apply different voltage from described the first pixel electrode, and described the second public electrode can apply different voltage from described the second pixel electrode.
Preferably, described the first pixel electrode equates with the width of described the first public electrode, and the spacing between described the first pixel electrode and described first public electrode of arbitrary neighborhood equates; The width of described the second pixel electrode and described the second public electrode all equals the width of described the first pixel electrode, and the spacing between described the second pixel electrode and described second public electrode of arbitrary neighborhood equals the spacing between adjacent described the first pixel electrode and described the first public electrode.
Preferably, the length direction of described the first pixel electrode, described the first public electrode, described the second pixel electrode and described the second public electrode is all parallel with the optical axis of described the first phase retardation film or the optical axis of described the second phase retardation film.
Preferably, the thickness of the thickness of the liquid crystal of described regional transmission and the liquid crystal of described reflector space equates.
Preferably, described array base palte is also provided with the first alignment films towards a side of described color membrane substrates, and described the first alignment films covers described the first electrode unit completely; Described color membrane substrates is also provided with the second alignment films towards a side of described array base palte, described the second alignment films covers described the second electrode unit completely, and it is vertical direction that described the first alignment films can make the relative described display panel of initial orientation direction of described liquid crystal with described the second alignment films.
Preferably, at described reflector space, between described array base palte and described the first phase retardation film, be provided with reflector plate.
Preferably, described liquid crystal adopts positivity liquid crystal or blue phase liquid crystal.
The utility model also provides a kind of display device, comprises above-mentioned display panel.
The beneficial effects of the utility model: display panel provided by the utility model, by the first electrode unit and the second electrode unit are set, and make the second electrode unit be positioned at regional transmission, under the effect of the first electrode unit and the second electrode unit, make to produce by the light of liquid crystal in regional transmission the phase delay of λ/2, produce the phase delay of λ/4 by the light of liquid crystal in reflector space; Under the mating reaction of the first phase retardation film, the second phase retardation film and the first polaroid and the second polaroid, make incident ray identical by the phase delay (being light path) of regional transmission and reflector space, thereby realize semi-transparent semi-reflecting demonstration, owing to having used natural light under outdoor situations, and natural light has better colour rendering index compared with backlight, so can make liquid crystal display there is wider colour gamut, and then greatly promote the display quality of display panel.Be more importantly, the box thick consistent (being single box thick) of this semi-transparent semi-reflecting display panel regional transmission and reflector space, this can make according to the manufacture craft of common display panel this display panel completely, thereby the manufacture difficulty that greatly reduces display panel, has improved production efficiency.
The display device that the utility model provides, owing to having adopted above-mentioned display panel, has not only greatly improved the display quality of display device, and has reduced the manufacture difficulty of display device, has improved production efficiency.
Brief description of the drawings
Fig. 1 is the structure cut-open view of display panel in the utility model embodiment 1;
Fig. 2 is the structural representation of the first electrode unit and the second electrode unit in Fig. 1;
The structure cut-open view that Fig. 3 is display panel in embodiment 1 under powering state not;
Fig. 4 be the display panel in embodiment 1 while realizing dark state regional transmission realize principle schematic;
Fig. 5 be the display panel in embodiment 1 while realizing dark state reflector space realize principle schematic;
Fig. 6 be the display panel in embodiment 1 while realizing bright state regional transmission realize principle schematic;
Fig. 7 be the display panel in embodiment 1 while realizing bright state reflector space realize principle schematic;
Fig. 8 be when in the utility model embodiment 2, display panel is realized bright state reflector space realize principle schematic.
Description of reference numerals wherein:
1. array base palte; 11. first electrode units; 111. first pixel electrodes; 112. first public electrodes; 13. first phase retardation films; The optical axis of 131. first phase retardation films; 14. first polaroids; The light transmission shaft of 141. first polaroids; 15. first alignment films; 16. reflector plates; 2. color membrane substrates; 21. second electrode units; 211. second pixel electrodes; 212. second public electrodes; 22. second phase retardation films; The optical axis of 221. second phase retardation films; 23. second polaroids; The light transmission shaft of 231. second polaroids; 24. second alignment films; 3. liquid crystal; 4. regional transmission; 5. reflector space; 400. liquid crystal are equivalent to the optical axis of quarter wave plate; 500. liquid crystal are equivalent to the optical axis of 1/2 wave plate; P1. the electric field between the first pixel electrode and the first public electrode; P2. the electric field between the second pixel electrode and the second public electrode.
Embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, a kind of display panel of the utility model and display device are described in further detail.
Embodiment 1:
The present embodiment provides a kind of display panel, as shown in Figure 1, this display panel comprise color membrane substrates 2, array base palte 1 and be packaged in color membrane substrates 2 and array base palte 1 between liquid crystal 3, display panel has multiple sub-pixel area, each sub-pixel area comprises regional transmission 4 and reflector space 5, array base palte 1 is provided with the first electrode unit 11 towards a side of color membrane substrates 2, color membrane substrates 2 is provided with the second electrode unit 21, the second electrode units 21 towards a side of array base palte 1 and is positioned at regional transmission 4; The first electrode unit 11 of corresponding regional transmission 4 and the second electrode unit 21 can make corresponding liquid crystal 3 deflections of regional transmission 4, thereby make the light of incident produce the phase delay of λ/2, the first electrode unit 11 of corresponding reflector space 5 can make corresponding liquid crystal 3 deflections of reflector space 5, thereby makes the light of incident produce the phase delay of λ/4.
Wherein, first electrode unit 11 parts are distributed in regional transmission 4, and another part is distributed in reflector space 5.The second electrode unit 21 is all distributed in regional transmission 4, and color membrane substrates 2 does not arrange any electrode towards a side correspondence of array base palte 1 at reflector space 5.
In the present embodiment, array base palte 1 is a side of color membrane substrates 2 dorsad, and having the first phase retardation film 13, the first phase retardation films 13 at the region division of at least corresponding regional transmission 4 is quarter wave plate; It is quarter wave plate that color membrane substrates 2 is provided with the second phase retardation film 22, the second phase retardation films 22 in a side of array base palte 1 dorsad; The optical axis of the first phase retardation film 13 is vertical with the optical axis of the second phase retardation film 22.
Array base palte 1 is a side of color membrane substrates 2 dorsad, is also provided with the first polaroid 14, the first polaroids 14 is positioned at the side of the first phase retardation film 13 away from array base palte 1 in the region of at least corresponding regional transmission 4.Color membrane substrates 2 is also provided with the second polaroid 23, the second polaroids 23 in a side of array base palte 1 dorsad and is positioned at the side of the second phase retardation film 22 away from color membrane substrates 2.
Wherein, the light transmission shaft of the first polaroid 14 is vertical with the light transmission shaft of the second polaroid 23, and the light transmission shaft angle of the optical axis of the first phase retardation film 13 and the first polaroid 14 is 45 °, the light transmission shaft angle of the optical axis of the second phase retardation film 22 and the second polaroid 23 is 45 °.
In the present embodiment, the first electrode unit 11 comprises that the first pixel electrode 111 that multiple strips, parallel interval distribute and the first public electrode 112, the first pixel electrodes 111 and the first public electrode 112 are crisscross arranged; The second electrode unit 21 comprises that the second pixel electrode 211 that multiple strips, parallel interval distribute and the second public electrode 212, the second pixel electrodes 211 and the second public electrode 212 are crisscross arranged; The first electrode unit 11 and second electrode unit 21 of corresponding regional transmission 4 are symmetrical, and the first pixel electrode 111 is corresponding with the second pixel electrode 211, and the first public electrode 112 is corresponding with the second public electrode 212.
The first public electrode 112 can apply identical voltage with on the second public electrode 212, the first pixel electrode 111 can apply identical voltage with on the second pixel electrode 211, the first public electrode 112 can apply different voltage from the first pixel electrode 111, and the second public electrode 212 can apply different voltage from the second pixel electrode 211.So arrange, can make to form electric field between the first pixel electrode 111 of arbitrary neighborhood and the first public electrode 112, and make to form electric field between the second pixel electrode 211 of arbitrary neighborhood and the second public electrode 212; And between the first corresponding pixel electrode 111 and the second pixel electrode 211, can not form electric field, between the first corresponding public electrode 112 and the second public electrode 212, can not form electric field yet; Thereby make the first electrode unit 11 and the second electrode unit 21 can form separately electric field therein, between the first electrode unit 11 and the second electrode unit 21, can not form electric field.Such electric field setting, can make the electric field of regional transmission 4 be greater than the electric field of reflector space 5, thereby the deflection angle that makes the liquid crystal 3 of regional transmission 4 is greater than the deflection angle of the liquid crystal 3 of reflector space 5, and then make the light that is incident to regional transmission 4 produce the phase delay of λ/2, make the light that is incident to reflector space 5 produce the phase delay of λ/4; Under the effect of the electric field of the first electrode unit 11 and the second electrode unit 21, the liquid crystal 3 of regional transmission 4 can be equivalent to 1/2 wave plate, the liquid crystal 3 of reflector space 5 can be equivalent to quarter wave plate, and the optical axis of this 1/2 wave plate and the optical axis of this quarter wave plate parallel with the optical axis of the first phase retardation film 13.
Wherein, as shown in Figure 2, the first pixel electrode 111 equates with the width of the first public electrode 112, and the spacing between the first pixel electrode 111 and first public electrode 112 of arbitrary neighborhood equates; The width of the second pixel electrode 211 and the second public electrode 212 all equals the width of the first pixel electrode 111, and the spacing between the second pixel electrode 211 and second public electrode 212 of arbitrary neighborhood equals the spacing between adjacent the first pixel electrode 111 and the first public electrode 112.So arrange, can make the electric field of regional transmission 4 and the Electric Field Distribution of reflector space 5 more even.
In the present embodiment, the width range of the first pixel electrode 111, the first public electrode 112, the second pixel electrode 211 and the second public electrode 212 is 2-5 μ m, and the spacing range between the first adjacent pixel electrode 111 and the first public electrode 112 or between adjacent the second pixel electrode 211 and the second public electrode 212 is 2-10 μ m.
Between the first pixel electrode 111 of arbitrary neighborhood and the first public electrode 112, be formed with the electric field P1 of direction of an electric field perpendicular to the length direction of the first pixel electrode 111; Between the second pixel electrode 211 of arbitrary neighborhood and the second public electrode 212, be formed with the electric field P2 of direction of an electric field perpendicular to the length direction of the second pixel electrode 211.Be to be formed with horizontal component of electric field between the first pixel electrode 111 of arbitrary neighborhood and the first public electrode 112, between the second pixel electrode 211 of arbitrary neighborhood and the second public electrode 212, be also formed with horizontal component of electric field, and electric field P1 is parallel with the direction of electric field P2, is conducive to liquid crystal molecule and carries out regular deflection.
Wherein, the length direction of the first pixel electrode 111, the first public electrode 112, the second pixel electrode 211 and the second public electrode 212 is all parallel with the optical axis of the second phase retardation film 22.
In the present embodiment, as shown in Figure 1, the thickness of the liquid crystal 3 of regional transmission 4 equates with the thickness of the liquid crystal 3 of reflector space 5.The box that is the semi-transparent semi-reflecting display panel in the present embodiment is thick identical, and this greatly reduces the difficulty of display panel manufacture craft; Also avoided the liquid crystal molecule that is positioned at regional transmission 4 and reflector space 5 intersections to produce deformity, thereby improved the contrast of intersection while demonstration, and optimized the color saturation of intersection simultaneously.
Array base palte 1 is also provided with the first alignment films 15, the first alignment films 15 towards a side of color membrane substrates 2 and covers the first electrode unit 11 completely; Color membrane substrates 2 is also provided with the second alignment films 24 towards a side of array base palte 1, the second alignment films 24 covers the second electrode unit 21 completely, it is vertical direction that the first alignment films 15 and the second alignment films 24 can make the relative display panel of the initial orientation direction direction of orientation of liquid crystal 3 (without the electric field action time) of liquid crystal 3, as shown in Figure 3.
At reflector space 5, between array base palte 1 and the first phase retardation film 13, be provided with reflector plate 16.
In the present embodiment, liquid crystal 3 adopts positivity liquid crystal or blue phase liquid crystal.
Based on the said structure of display panel, the specific implementation principle of this semi-transparent semi-reflecting display panel and process as Figure 4-Figure 7:
For example: can set the light transmission shaft 141 of the first polaroid along X-direction, the light transmission shaft 231 of the second polaroid is along Y direction; Light transmission shaft 141 angles of the optical axis 131 of the first phase retardation film and the first polaroid are 45 °, and the optical axis 221 of the second phase retardation film is-45 ° with X-axis angle.
The implementation procedure (being that display panel does not apply voltage) of the dark state of display panel:
For regional transmission, as shown in Figure 4, when the light of backlight passes through, after the first polaroid, to be converted to the linearly polarized light of polarization direction along X-direction; After the first phase retardation film, be converted to right-circularly polarized light (regulation here: be rotated counterclockwise as right-circularly polarized light, clockwise turn to left circularly polarized light); Because do not execute in alive situation at display panel, liquid crystal molecule homeotropic alignment, so do not change polarization state after circularly polarized light is by liquid crystal molecule, is still right-circularly polarized light; Right-circularly polarized light, by after the second phase retardation film, is converted to the linearly polarized light of polarization direction along X-direction; Second polaroid that cannot be Y direction by light transmission shaft 231 along the linearly polarized light of X-direction, thus make display panel present dark state.
For reflector space, as shown in Figure 5, extraneous light (as sunshine), by the second polaroid, is converted to the linearly polarized light of polarization direction along Y direction; After the second phase retardation film, be converted to left circularly polarized light; Display panel is not being executed in alive situation, liquid crystal molecule homeotropic alignment, and left circularly polarized light does not change polarization state after by liquid crystal molecule, is still left circularly polarized light; Left circularly polarized light reflects by reflector plate 16, is converted to right-circularly polarized light; Right-circularly polarized light by not changing polarization state after liquid crystal molecule, is still right-circularly polarized light again; Right-circularly polarized light by the second phase retardation film, is converted to the linearly polarized light of polarization direction along X-direction again; Second polaroid that cannot be Y direction by light transmission shaft 231 along the linearly polarized light of X-direction, thus make display panel present dark state.
The implementation procedure of the bright state of display panel (as the first pixel electrode in display panel and the second pixel electrode apply the voltage of 5V respectively, the first public electrode and the second public electrode apply the voltage of 0V respectively):
First it should be noted that, electrode unit in display panel is executed in alive situation, under the effect of electric field, there is deflection in the liquid crystal of regional transmission, the liquid crystal of the regional transmission after deflection is equivalent to the conversion of 1/2 wave plate to light to the conversion of light, even if the light of incident has produced the phase delay of λ/2; Same, the liquid crystal of the reflector space after deflection is equivalent to the conversion of quarter wave plate to light to the conversion of light, even if the light of incident has produced the phase delay of λ/4.The optical axis 500 of this 1/2 wave plate and the optical axis 400 of this quarter wave plate are parallel with the optical axis 131 of the first phase retardation film, and the optical axis 500 of this 1/2 wave plate and the angle of the optical axis 400 of this quarter wave plate and the light transmission shaft 141 of the first polaroid are 45 °.
For regional transmission, as shown in Figure 6, when the light of backlight passes through, after the first polaroid, to be converted to the linearly polarized light of polarization direction along X-direction; After the first phase retardation film, be converted to right-circularly polarized light; By being equivalent to the liquid crystal of 1/2 wave plate, be converted to left circularly polarized light; After the second phase retardation film, be converted to the linearly polarized light of polarization direction along Y direction; Second polaroid that can be Y direction by light transmission shaft 231 along the linearly polarized light of Y direction, thus make display panel present bright state.
For reflector space, as shown in Figure 7, extraneous light (as sunshine), by the second polaroid, is converted to the linearly polarized light of polarization direction along Y direction; After the second phase retardation film, be converted to left circularly polarized light; By being equivalent to the liquid crystal of quarter wave plate, be converted to the linearly polarized light of polarization direction along Y direction; Linearly polarized light along Y direction reflects by reflector plate 16, is still the linearly polarized light along Y direction; Again, by being equivalent to the liquid crystal of quarter wave plate, be converted to left circularly polarized light; Left circularly polarized light by the second phase retardation film, is converted to the linearly polarized light of polarization direction along Y direction again; Second polaroid that can be Y direction by light transmission shaft 231 along the linearly polarized light of Y direction, thus make display panel present bright state.
By this semi-transparent semi-reflecting display panel being realized to the above-mentioned analysis of principle and process, can draw: this semi-transparent semi-reflecting display panel is by arranging the first electrode unit and the second electrode unit, and make the second electrode unit be positioned at regional transmission, under the effect of the first electrode unit and the second electrode unit, make to produce by the light of liquid crystal in regional transmission the phase delay of λ/2, produce the phase delay of λ/4 by the light of liquid crystal in reflector space; Under the mating reaction of the first phase retardation film, the second phase retardation film and the first polaroid and the second polaroid, make incident ray identical by the phase delay (being light path) of regional transmission and reflector space, owing to having used natural light under outdoor situations, and natural light has better colour rendering index compared with backlight, so can make liquid crystal display there is wider colour gamut, and then greatly promote the display quality of display panel.More importantly, the box thick consistent (being single box thick) of this semi-transparent semi-reflecting display panel regional transmission and reflector space, this greatly reduces the manufacture difficulty of display panel.
Embodiment 2:
The present embodiment provides a kind of display panel, and from different in embodiment 1, the length direction of the first pixel electrode, the first public electrode, the second pixel electrode and the second public electrode is all parallel with the optical axis of the first phase retardation film.
Correspondingly, in the time realizing the bright state of display panel, there is deflection in the liquid crystal of regional transmission, the liquid crystal of the regional transmission after deflection is equivalent to the conversion of 1/2 wave plate to light to the conversion of light under the effect of electric field, even if the light of incident has produced the phase delay of λ/2; Same, the liquid crystal of the reflector space after deflection is equivalent to the conversion of quarter wave plate to light to the conversion of light, even if the light of incident has produced the phase delay of λ/4.The optical axis of this 1/2 wave plate is parallel with the optical axis of the second phase retardation film with the optical axis of this quarter wave plate, and the angle of the light transmission shaft of the optical axis of this 1/2 wave plate and the optical axis of this quarter wave plate and the first polaroid is-45 °.
In the present embodiment, the implementation procedure of the bright state of reflector space of display panel is: as shown in Figure 8, extraneous light (as sunshine), by the second polaroid, is converted to the linearly polarized light of polarization direction along Y direction; After the second phase retardation film, be converted to left circularly polarized light; By being equivalent to the liquid crystal of quarter wave plate, be converted to the linearly polarized light of polarization direction along X-direction; Linearly polarized light along X-direction reflects by reflector plate 16, is still the linearly polarized light along X-direction; Again, by being equivalent to the liquid crystal of quarter wave plate, be converted to left circularly polarized light; Left circularly polarized light by the second phase retardation film, is converted to the linearly polarized light of polarization direction along Y direction again; Second polaroid that can be Y direction by light transmission shaft 231 along the linearly polarized light of Y direction, thus make display panel present bright state.
When the implementation procedure of other structures of display panel in the present embodiment, dark state and bright state, the implementation procedure of regional transmission is all in the same manner as in Example 1, repeats no more herein.
The beneficial effects of the utility model: display panel provided by the utility model, by the first electrode unit and the second electrode unit are set, and make the second electrode unit be positioned at regional transmission, under the effect of the first electrode unit and the second electrode unit, make to produce by the light of liquid crystal in regional transmission the phase delay of λ/2, produce the phase delay of λ/4 by the light of liquid crystal in reflector space; Under the mating reaction of the first phase retardation film, the second phase retardation film and the first polaroid and the second polaroid, make incident ray identical by the phase delay (being light path) of regional transmission and reflector space, thereby realize semi-transparent semi-reflecting demonstration, owing to having used natural light under outdoor situations, and natural light has better colour rendering index compared with backlight, so can make liquid crystal display there is wider colour gamut, and then greatly promote the display quality of display panel.Be more importantly, the box thick consistent (being single box thick) of this semi-transparent semi-reflecting display panel regional transmission and reflector space, this can make according to the manufacture craft of common display panel this display panel completely, thereby the manufacture difficulty that greatly reduces display panel, has improved production efficiency.
Embodiment 3:
The present embodiment provides a kind of display device, comprises the display panel of embodiment 1-2 in arbitrary.
Owing to having adopted above-mentioned display panel, not only greatly improve the display quality of display device, and reduced the manufacture difficulty of display device, improve production efficiency.
This display device can be the various display devices such as LCD TV, high definition digital television, computer (desk-top and notebook), mobile phone, PDA, GPS, car-mounted display, Projection Display, video camera, digital camera, accutron, counter, electronic instrument and meter, public demonstration and illusory demonstration.
Be understandable that, above embodiment is only used to principle of the present utility model is described and the illustrative embodiments that adopts, but the utility model is not limited to this.For those skilled in the art, in the situation that not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.

Claims (12)

Translated fromChinese
1.一种显示面板,包括彩膜基板、阵列基板以及封装于所述彩膜基板和所述阵列基板之间的液晶,所述显示面板具有多个子像素区,每个所述子像素区包括透射区域和反射区域,其特征在于,所述阵列基板朝向所述彩膜基板的一侧设置有第一电极单元,所述彩膜基板朝向所述阵列基板的一侧设置有第二电极单元,所述第二电极单元位于所述透射区域;对应着所述透射区域的所述第一电极单元和所述第二电极单元能使得对应着所述透射区域的液晶偏转,从而使入射的光线产生λ/2的相位延迟,对应着所述反射区域的所述第一电极单元能使得对应着所述反射区域的液晶偏转,从而使入射的光线产生λ/4的相位延迟。 1. A display panel, comprising a color filter substrate, an array substrate, and a liquid crystal packaged between the color filter substrate and the array substrate, the display panel has a plurality of sub-pixel regions, and each of the sub-pixel regions includes The transmission area and the reflection area are characterized in that a first electrode unit is provided on the side of the array substrate facing the color filter substrate, and a second electrode unit is provided on the side of the color filter substrate facing the array substrate, The second electrode unit is located in the transmissive area; the first electrode unit and the second electrode unit corresponding to the transmissive area can deflect the liquid crystal corresponding to the transmissive area, so that the incident light can generate With a phase delay of λ/2, the first electrode unit corresponding to the reflective area can deflect the liquid crystal corresponding to the reflective area, so that the incident light has a phase delay of λ/4. the2.根据权利要求1所述的显示面板,其特征在于,所述阵列基板背向所述彩膜基板的一侧,在至少对应着所述透射区域的区域设置有第一相位差膜,所述第一相位差膜为1/4波片;所述彩膜基板在背向所述阵列基板的一侧设置有第二相位差膜,所述第二相位差膜为1/4波片;所述第一相位差膜的光轴与所述第二相位差膜的光轴垂直。 2. The display panel according to claim 1, characterized in that, on the side of the array substrate facing away from the color filter substrate, a first retardation film is provided at least in a region corresponding to the transmission region, so that The first retardation film is a 1/4 wave plate; the color filter substrate is provided with a second retardation film on the side facing away from the array substrate, and the second retardation film is a 1/4 wave plate; The optical axis of the first retardation film is perpendicular to the optical axis of the second retardation film. the3.根据权利要求2所述的显示面板,其特征在于,所述阵列基板背向所述彩膜基板的一侧,在至少对应着所述透射区域的区域还设置有第一偏光片,所述第一偏光片位于所述第一相位差膜远离所述阵列基板的一侧; 3. The display panel according to claim 2, characterized in that, on the side of the array substrate facing away from the color filter substrate, a first polarizer is also provided in an area at least corresponding to the transmission area, so The first polarizer is located on the side of the first retardation film away from the array substrate;所述彩膜基板在背向所述阵列基板的一侧还设置有第二偏光片,所述第二偏光片位于所述第二相位差膜远离所述彩膜基板的一侧; The color filter substrate is also provided with a second polarizer on the side facing away from the array substrate, and the second polarizer is located on the side of the second retardation film away from the color filter substrate;所述第一偏光片的透光轴与所述第二偏光片的透光轴垂直,且所述第一相位差膜的光轴与所述第一偏光片的透光轴夹角为45°,所述第二相位差膜的光轴与所述第二偏光片的透光轴夹角为45°。 The light transmission axis of the first polarizer is perpendicular to the light transmission axis of the second polarizer, and the angle between the light axis of the first retardation film and the light transmission axis of the first polarizer is 45° , the angle between the optical axis of the second retardation film and the transmission axis of the second polarizer is 45°. the4.根据权利要求3所述的显示面板,其特征在于,所述第一电极单元包括多个条状、平行间隔分布的第一像素电极和第一公共电极,所述第一像素电极和所述第一公共电极交错设置;所述第二电极单元包括多个条状、平行间隔分布的第二像素电极和第二公共电极,所述第二像素电极和所述第二公共电极交错设置;对应着所述透射区域的所述第一电极单元和所述第二电极单元相对称,且所述第一像素电极与所述第二像素电极相对应,所述第一公共电极与所述第二公共电极相对应。 4. The display panel according to claim 3, wherein the first electrode unit comprises a plurality of strip-shaped first pixel electrodes and first common electrodes distributed in parallel at intervals, and the first pixel electrodes and the first common electrodes The first common electrodes are arranged alternately; the second electrode unit includes a plurality of strip-shaped second pixel electrodes and second common electrodes distributed in parallel at intervals, and the second pixel electrodes and the second common electrodes are arranged alternately; The first electrode unit corresponding to the transmission area is symmetrical to the second electrode unit, and the first pixel electrode corresponds to the second pixel electrode, and the first common electrode corresponds to the second pixel electrode. The two common electrodes correspond to each other. the5.根据权利要求4所述的显示面板,其特征在于,所述第一公共电极与所述第二公共电极上能施加相同的电压,所述第一像素电极与所述第二像素电极上能施加相同的电压,所述第一公共电极与所述第一像素电极上能施加不同的电压,所述第二公共电极与所述第二像素电极上能施加不同的电压。 5. The display panel according to claim 4, wherein the same voltage can be applied to the first common electrode and the second common electrode, and the same voltage can be applied to the first pixel electrode and the second pixel electrode. The same voltage can be applied, different voltages can be applied to the first common electrode and the first pixel electrode, and different voltages can be applied to the second common electrode and the second pixel electrode. the6.根据权利要求4所述的显示面板,其特征在于,所述第一像素电极与所述第一公共电极的宽度相等,任意相邻的所述第一像素电极与所述第一公共电极之间的间距相等;所述第二像素电极和所述第二公共电极的宽度都等于所述第一像素电极的宽度,任意相邻的所述第二像素电极与所述第二公共电极之间的间距等于相邻的所述第一像素电极与所述第一公共电极之间的间距。 6. The display panel according to claim 4, wherein the widths of the first pixel electrode and the first common electrode are equal, and any adjacent first pixel electrode and the first common electrode The spacing between them is equal; the widths of the second pixel electrode and the second common electrode are equal to the width of the first pixel electrode, and the distance between any adjacent second pixel electrode and the second common electrode The distance between them is equal to the distance between the adjacent first pixel electrodes and the first common electrodes. the7.根据权利要求6所述的显示面板,其特征在于,所述第一像素电极、所述第一公共电极、所述第二像素电极和所述第二公共电极的长度方向均与所述第一相位差膜的光轴或所述第二相位差膜的光轴平行。 7. The display panel according to claim 6, wherein the length directions of the first pixel electrode, the first common electrode, the second pixel electrode and the second common electrode are all in line with the The optical axis of the first retardation film or the optical axis of the second retardation film is parallel. the8.根据权利要求1-7任意一项所述的显示面板,其特征在 于,所述透射区域的液晶的厚度与所述反射区域的液晶的厚度相等。 8. The display panel according to any one of claims 1-7, wherein the thickness of the liquid crystal in the transmissive region is equal to the thickness of the liquid crystal in the reflective region. the9.根据权利要求1-7任意一项所述的显示面板,其特征在于,所述阵列基板朝向所述彩膜基板的一侧还设置有第一取向膜,所述第一取向膜完全覆盖所述第一电极单元;所述彩膜基板朝向所述阵列基板的一侧还设置有第二取向膜,所述第二取向膜完全覆盖所述第二电极单元,所述第一取向膜和所述第二取向膜能使所述液晶的初始取向方向相对所述显示面板为垂直方向。 9. The display panel according to any one of claims 1-7, wherein a first alignment film is provided on the side of the array substrate facing the color filter substrate, and the first alignment film completely covers The first electrode unit; the side of the color filter substrate facing the array substrate is also provided with a second alignment film, the second alignment film completely covers the second electrode unit, the first alignment film and The second alignment film enables the initial alignment direction of the liquid crystal to be vertical to the display panel. the10.根据权利要求2-7任意一项所述的显示面板,其特征在于,在所述反射区域,所述阵列基板与所述第一相位差膜之间设置有反射片。 10. The display panel according to any one of claims 2-7, wherein a reflective sheet is arranged between the array substrate and the first retardation film in the reflective region. the11.根据权利要求1-7任意一项所述的显示面板,其特征在于,所述液晶采用正性液晶或蓝相液晶。 11. The display panel according to any one of claims 1-7, wherein the liquid crystal is a positive liquid crystal or a blue phase liquid crystal. the12.一种显示装置,其特征在于,包括权利要求1-11任意一项所述的显示面板。 12. A display device, comprising the display panel according to any one of claims 1-11. the
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