CN204557017U - A kind of display device and display terminal - Google Patents
A kind of display device and display terminal Download PDFInfo
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- CN204557017U CN204557017U CN201320545299.XU CN201320545299U CN204557017U CN 204557017 U CN204557017 U CN 204557017U CN 201320545299 U CN201320545299 U CN 201320545299U CN 204557017 U CN204557017 U CN 204557017U
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Abstract
The utility model embodiment provides a kind of display device and display terminal, relates to display technique field, can improved dark state display time occur light leakage phenomena.This display device comprises display panel, polaroid and backlight; Also comprise guest-host effect box; Described guest-host effect box is used for, when described display device is dark-state display, absorbs the polarized light of display panel described in described backlight directive, or absorbing the polarized light from described display panel outgoing; Described guest-host effect box comprises the first transparent conductive panel and the second transparent conductive panel that are oppositely arranged, and is arranged on the display medium between two transparent conductive panels; Described display medium comprises liquid crystal molecule and dichroic dye molecule; Wherein, described liquid crystal molecule is for restricting the direction of optic axis of described dichroic dye molecule; Described dichroic dye molecule is used for the absorbing polarization direction described polarized light vertical with the optical axis direction of described dichroic dye molecule or polarized light component.For the manufacture of display device.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of display device and display terminal.
Background technology
At present, display comprises the display that self luminous display and needs are undertaken by backlight showing.
Be example with liquid crystal display (liquid crystal display, be called for short LCD), because display panels itself is not luminous, the backlight that must provide by backlight source module just can make liquid crystal display show image.The structure of liquid crystal display as shown in Figure 1, comprises display panels 101, lays respectively at the upper polaroid 1021 of described display panels 101 upper and lower surface and lower polaroid 1022 and is positioned at the backlight 103 that described lower polaroid 1022 deviates from described display panels 101 side; Wherein, described display panels 101 liquid crystal layer 1013 that comprises array base palte 1011, color membrane substrates 1012 and be arranged between described array base palte 1011 and described color membrane substrates 1012; Described backlight 103 comprises light source 1030, light guide plate 1031 and blooming piece 1032 etc.
But described liquid crystal display, when dark-state shows, often there will be light leakage phenomena.Such as, for the backlight 103 of described liquid crystal display, although the light that wherein said light source 1030 sends through described light guide plate 1031 has carried out optical processing by described blooming piece 1032, but having small part light can not impinge perpendicularly on described display panels 101, this part light incides described liquid crystal layer 1013 with the optical axis of the liquid crystal molecule in liquid crystal layer 1013 at an angle through described lower polaroid 1022 is to the rear; Wherein, for the liquid crystal molecule in described display panels 101, when described liquid crystal display is dark-state display, its optical axis direction arranges perpendicular to described display panels 101.Due to the birefringent characteristic of liquid crystal molecule, can birefringence effect be there is and form elliptically polarized light in this part oblique incidence to the linearly polarized light of liquid crystal layer 1013, cannot be completely absorbed when it incides described upper polaroid 1021, thus result in liquid crystal display, when dark-state shows, light leakage phenomena occurs, and further limit the raising of its contrast.
Utility model content
Embodiment of the present utility model provides a kind of display device and display terminal, can improved dark state display time occur light leakage phenomena.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
There is provided a kind of display device, this display device comprises display panel, polaroid, backlight and guest-host effect box; Described guest-host effect box is used for, when described display device is dark-state display, absorbs the polarized light of display panel described in described backlight directive, or absorbing the polarized light from described display panel outgoing; Described guest-host effect box comprises the first transparent conductive panel and the second transparent conductive panel that are oppositely arranged, and is arranged on the display medium between two transparent conductive panels; Described display medium comprises liquid crystal molecule and dichroic dye molecule; Wherein, described liquid crystal molecule is for restricting the direction of optic axis of described dichroic dye molecule; Described dichroic dye molecule is used for the absorbing polarization direction described polarized light vertical with the optical axis direction of described dichroic dye molecule or polarized light component.
Optionally, described liquid crystal molecule is positivity liquid crystal molecule, and described dichroic dye molecule is negativity dichroic dye molecule; Or described liquid crystal molecule is positivity liquid crystal molecule, described dichroic dye molecule is positivity dichroic dye molecule.
Preferably, described guest-host effect box also comprises the oriented layer being separately positioned on described first transparent conductive panel and described second transparent conductive panel opposite side.
Optionally, described display panel is display panels, and described polaroid comprises polaroid and lower polaroid; Wherein, described lower polaroid and described upper polaroid are separately positioned on light incidence and the exit facet side of described display panels.
Preferably, described guest-host effect box is arranged between described lower polaroid and described display panels.
Preferred further, the direction of described oriented layer is consistent with the direction of the alignment films on the array base palte being arranged on described display panels.
A kind of display terminal is also provided, comprises above-mentioned display device.
The utility model embodiment provides a kind of display device and display terminal, and this display device comprises display panel, polaroid, backlight and guest-host effect box; Described guest-host effect box is used for, when described display device is dark-state display, absorbs the polarized light of display panel described in described backlight directive, or absorbing the polarized light from described display panel outgoing; Described guest-host effect box comprises the first transparent conductive panel and the second transparent conductive panel that are oppositely arranged, and is arranged on the display medium between two transparent conductive panels; Described display medium comprises liquid crystal molecule and dichroic dye molecule; Wherein, described liquid crystal molecule is for restricting the direction of optic axis of described dichroic dye molecule; Described dichroic dye molecule is used for the absorbing polarization direction described polarized light vertical with the optical axis direction of described dichroic dye molecule or polarized light component.Like this, when described display device is dark-state display, just by controlling the light that described guest-host effect box absorption backlight sends, the object of light leak during to reach improved dark state display, can be there is.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of liquid crystal display of the prior art;
The structural representation of a kind of guest-host effect box that Fig. 2 provides for the utility model embodiment;
A kind of structural representation comprising the guest-host effect box of oriented layer that Fig. 3 provides for the utility model embodiment;
A kind of structural representation comprising the display device of guest-host effect box that Fig. 4 provides for the utility model embodiment;
The principle of work schematic diagram of a kind of liquid crystal indicator when dark-state shows that Fig. 5 provides for the utility model embodiment;
The principle of work schematic diagram of a kind of liquid crystal indicator when on state of shows that Fig. 6 provides for the utility model embodiment;
Fig. 7 realizes the effect schematic diagram of dark-state display for a kind of display device that the utility model embodiment provides;
Fig. 8 realizes the effect schematic diagram of on state of display for a kind of display device that the utility model embodiment provides;
A kind of structural representation comprising the display device of guest-host effect box with oriented layer that Fig. 9 provides for the utility model embodiment.
Reference numeral:
10-display device; 101-display panels; 1011-array base palte; 1012-color membrane substrates; 1013-liquid crystal layer; The upper polaroid of 1021-; Polaroid under 1022-; 103-backlight; 1030-light source; 1031-light guide plate; 1032-blooming piece; 104-guest-host effect box; 1041-first transparent conductive panel; 1042-second transparent conductive panel; 1043-liquid crystal molecule; 1044-dichroic dye molecule; 1045-first oriented layer; 1046-second oriented layer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the utility model protection scope within.
The utility model embodiment provides a kind of display device 10, this display device 10 comprises display panel, backlight 103 and light absorbing device, described light absorbing device is used for when described display device 10 shows for dark-state, absorb the light of display panel described in described backlight 103 directive, or absorb the light from described display panel outgoing.
Wherein, when described display device 10 need to present complete black picture or the darkest picture time, it is desirable to carry out perfect dark-state display, avoid light leakage phenomena.Therefore, by arranging described light absorbing device, when described display device 10 shows for dark-state, the effect improving light leak can be played.
Here, since described light absorbing device can be used in described display device 10 for absorbing light when dark-state shows, and light leakage phenomena during improved dark state display; So, when described display device 10 shows on state of, also can not absorb by controlling described light absorbing device or absorb light less, the on state of display of the as far as possible little described display device 10 of impact.
The utility model embodiment provides a kind of display device 10, this display device 10 comprises display panel, backlight 103 and light absorbing device, described light absorbing device is used for when described display device 10 shows for dark-state, absorb the light of display panel described in described backlight 103 directive, or from the light of described display panel outgoing.Like this, when described display device 10 shows for dark-state, just can absorb by controlling described light absorbing device the light that described backlight 103 sends, the object of light leak occurs during to reach improved dark state display.
Preferably, described light absorbing device can be guest-host effect box 104, described guest-host effect box 104, for when described display device 10 shows for dark-state, absorbs the polarized light of display panel described in described backlight 103 directive, or absorbs the polarized light from described display panel outgoing; Wherein, described display device 10 also comprises polaroid.
Here, described polaroid can be arranged between described backlight 103 and described display panel.In the case, described guest-host effect box 104 can be arranged between described polaroid and described display panel; Certainly, described guest-host effect box 104 also can be arranged on the light emission side of described display panel.
So-called guest-host effect refers to: under electric field action, the deflection of certain angle can be there is in liquid crystal molecule (master), pleochroism dye molecule (guest) can carry out the deflection of respective angles along with the deflection of liquid crystal molecule (master), thus shows as the feature of guest with main transformer.
It should be noted that, in the utility model embodiment, described guest-host effect box 104 only has absorption to polarized light, therefore, the setting position of described guest-host effect box 104 needs to determine according to the polaroid position comprised in the display device 10 of polaroid, only need ensure that the light inciding described guest-host effect box 104 is polarized light.
Based on this, as shown in Figure 2, described guest-host effect box 104 can comprise the first transparent conductive panel 1041 and the second transparent conductive panel 1042 be oppositely arranged, and is arranged on the display medium between two transparent conductive panels; Described display medium comprises liquid crystal molecule 1043 and dichroic dye molecule 1 044; Wherein, described liquid crystal molecule 1043 is for restricting the direction of optic axis of described dichroic dye molecule 1 044; Described dichroic dye molecule 1 044 is for the absorbing polarization direction described polarized light vertical with the optical axis direction of described dichroic dye molecule 1 044 or polarized light component.
According to guest-host effect, for the described liquid crystal molecule 1043 be arranged between two transparent conductive panels and described dichroic dye molecule 1 044, should based on described liquid crystal molecule 1043, described dichroic dye molecule 1 044 is guest.That is, the described dichroic dye molecule 1 044 of doping in the middle of described liquid crystal molecule 1043.
Concrete, because liquid crystal molecule 1043 has the anisotropy of dielectric and refractive index, the arrangement mode of liquid crystal molecule 1043 therefore can be changed by electric field action.Dichroic dye molecule 1 044 is club shaped structure, there is the dichroic dye molecule 1 044 of different absorption coefficient as object using along long axis direction and short-axis direction to visible ray, be dissolved in liquid crystal molecule 1043 main body aligned, dichroic dye molecule 1 044 will " visitor with main transformer ", arranges in the same way with liquid crystal molecule 1043.Under electric field action, when the arrangement of the liquid crystal molecule 1043 as main body changes, the orientation as the dichroic dye molecule 1 044 of object also changes thereupon.That is, the absorption of described dichroic dye molecule 1 044 pair of incident light also can change.
In the case, can by controlling the voltage between described first transparent conductive panel 1041 of described guest-host effect box 104 and described second transparent conductive panel 1042, property controls the deflection angle of the described liquid crystal molecule 1043 between these two transparent conductive panels, thus makes described dichroic dye molecule 1 044 follow described liquid crystal molecule 1043 to deflect corresponding angle.
In addition, for described transparent conductive panel, it can be tin indium oxide (Indium Tin Oxide the is called for short ITO) transparent conductive film such as at surface deposition one deck of transparent glass substrate with high permeability and high conduction performance.
Further, the combination of described liquid crystal molecule 1043 and described dichroic dye molecule 1 044 can be described liquid crystal molecule 1043 is positivity liquid crystal molecule, and described dichroic dye molecule 1 044 is negativity dichroic dye molecule; Also can be described liquid crystal molecule 4013 be positivity liquid crystal molecule, described dichroic dye molecule 1 044 be positivity dichroic dye molecule.
Here, it is no matter the combination of positivity liquid crystal molecule and negativity dichroic dye molecule, or the combination of positivity liquid crystal molecule and positivity dichroic dye molecule, or other combinations, as long as the optical axis direction of described dichroic dye molecule 1 044 can be made to change along with the optical axis direction of described liquid crystal molecule 1043, and be consistent with the optical axis direction of described liquid crystal molecule 1043 all the time.
Optionally, the ratio of described liquid crystal molecule 1043 and described dichroic dye molecule 1 044 is between 7:3 to 8:2.
In described guest-host effect box 104, described liquid crystal molecule 1043 and described dichroic dye molecule 1 044 are rodlike molecule, and the two is blended together uniformly.Consider and described dichroic dye molecule 1 044 will be made to deflect along with described liquid crystal molecule 1043, and when described display device 10 shows for dark-state, it is made to absorb the polarized light of display panel described in described backlight 103 directive, or the best results absorbed from the polarized light of described display panel outgoing, liquid crystal molecule 1043 described in the utility model embodiment is preferably 7:3 with the ratio of described dichroic dye molecule 1 044.
Based on above-mentioned guest-host effect box 104, as shown in Figure 3, preferably, described guest-host effect box 104 can also comprise the oriented layer being separately positioned on described first transparent conductive panel 1041 and described second transparent conductive panel 1042 opposite side.
That is: with reference to shown in figure 3, at described first transparent conductive panel 1041, first oriented layer 1045 is set near the side of described liquid crystal molecule 1043 and described dichroic dye molecule 1 044, at described second transparent conductive panel 1042, second oriented layer 1046 is set near the side of described liquid crystal molecule 1043 and described dichroic dye molecule 1 044.Like this, the inceptive direction of described liquid crystal molecule 1043 and described dichroic dye molecule 1 044 can be controlled by arranging this first oriented layer 1045 and the second oriented layer 1046, thus when not to when applying electric field between described first transparent conductive panel 1041 of described guest-host effect box 104 and described second transparent conductive panel 1042, the optical axis direction of described dichroic dye molecule 1 044 can be controlled as required.
Optionally, as shown in Figure 4, when described display panel is display panels 101, described polaroid comprises polaroid 1021 and lower polaroid 1022; Wherein, described display panels 101 liquid crystal layer 1013 that comprises array base palte 1011, color membrane substrates 1012 and be arranged between described array base palte 1011 and described color membrane substrates 1012; Described lower polaroid 1022 and described upper polaroid 1021 are separately positioned on light incidence and the exit facet side of described display panels 101.
In the case, described guest-host effect box 104 can be arranged between described lower polaroid 1022 and described display panels 101, or described guest-host effect box 104 can be arranged between described display panels 101 and described upper polaroid 1021, or described guest-host effect box 104 can be arranged on the side away from described display panels 101 of described upper polaroid 1021.
Consider that the light sent from described backlight 103 is forming the unique linearly polarized light in polarization direction after described lower polaroid 1022, when described liquid crystal indicator is dark-state display, and after described linearly polarized light enters the liquid crystal layer 1013 of described display panels 101, have the liquid crystal molecule that small part polarized light tilts to inject in described liquid crystal layer 1013, and there is birefringent phenomenon, make to become elliptically polarized light from the polarized light of described liquid crystal layer 1013 outgoing.And the parts that can be used for absorbing polarization light at present mostly can only the fixing polarized light in absorbing polarization direction or polarized light component, therefore, as shown in Figure 4, in the utility model embodiment, preferably described guest-host effect box 104 is arranged between described lower polaroid 1022 and described display panels 101.Like this, when described display device is dark-state display, only need controls described guest-host effect box 104 and absorb from the unique linearly polarized light in the polarization direction of described lower polaroid 1022 incidence, just can realize the display of perfect dark-state.
In addition, described guest-host effect box 104 is arranged between described lower polaroid 1022 and described display panels 101, when described display device 10 shows on state of, described guest-host effect box 104 can be controlled and do not absorb from the unique linearly polarized light in the polarization direction of described lower polaroid 1022 incidence.Like this, while the light leakage phenomena when solving the display of described display device 10 dark-state, also can not impact described display device 10 on state of display, thus realizing the display of superelevation contrast.
In the utility model embodiment, certainly, described guest-host effect box 104 also can be arranged between described color membrane substrates 1012 and described upper polaroid 1021, or is arranged on described upper polaroid 1021 away from described color membrane substrates 1012 side.In both cases, when described display device 10 shows for dark-state, major part impinges perpendicularly on the polarized light of described display panels 101, can be absorbed by described upper polaroid 1021; For the polarized light of fraction non-normal incidence to described display panels 101, elliptically polarized light is being formed due to birefringence effect can be there occurs after described liquid crystal layer 1013, at this moment, the component that described guest-host effect box 104 absorbs a direction of described polarized light can be controlled, so also can improve the light leakage phenomena during display of display device 10 dark-state to a certain extent.
Example, as shown in Figure 5 and Figure 6, described display device 10 comprises display panels 101, described display panels 101 comprises array base palte 1011, color membrane substrates 1012 and the liquid crystal layer 1013 be arranged between described array base palte 1011 and described color membrane substrates 1012, also comprise and be arranged on the guest-host effect box 104 of described array base palte 1011 away from described liquid crystal layer 1013 side, be arranged on the lower polaroid 1022 of described guest-host effect box 104 away from described array base palte 1011 side, be arranged on the upper polaroid 1021 of described color membrane substrates 1012 away from described liquid crystal layer 1013 side, wherein, described guest-host effect box 104 can comprise the first transparent conductive panel 1041 and the second transparent conductive panel 1042 be oppositely arranged, and the liquid crystal molecule 1043 be arranged between two transparent conductive panels and dichroic dye molecule 1 044.In addition, also comprise and be arranged on the backlight 103 of described lower polaroid 1022 away from described display panels 101 side.
Like this, shown in figure 5, when described display device 10 shows for dark-state, can by controlling the voltage between described first transparent conductive panel 1041 of described guest-host effect box 104 and the second transparent conductive panel 1042, control the deflection angle of the described liquid crystal molecule 1043 between these two transparent conductive panels, thus make described dichroic dye molecule 1 044 follow described liquid crystal molecule 1043 to deflect corresponding angle.Namely the optical axis direction of described dichroic dye molecule 1 044 and the vertical through direction of principal axis of described lower polaroid 1022 is controlled, to make described dichroic dye molecule 1 044 be absorbed completely by linearly polarized light vertical with its optical axis direction for the polarization direction to the rear by described lower polaroid 1022, thus realize perfect dark-state display as shown in Figure 7.
Shown in figure 6, when described display device 10 shows on state of, the optical axis direction that can control described dichroic dye molecule 1 044 is parallel with the direction through axle of described lower polaroid 1022, and described dichroic dye molecule 1 044 so just can be made not absorb by polarization direction that described lower polaroid 1022 the is to the rear linearly polarized light parallel with its optical axis direction.Thus, as shown in Figure 8, described guest-host effect box 104 can not have an impact to this linearly polarized light of incidence, thus can not impact described display device on state of display, and then realizes the display of superelevation contrast.
On this basis, as shown in Figure 9, first oriented layer 1045 and the second oriented layer 1046 can be set respectively at described first transparent conductive panel 1041 of described guest-host effect box 104 and described second transparent conductive panel 1042 opposite side, by controlling the direction of described first oriented layer 1045 and described second oriented layer 1046, just in the not alive situation of described guest-host effect box 104, the optical axis direction of described dichroic dye molecule 1 044 can be controlled.Like this, such as, when described display device 10 carries out on state of display, need not give described first transparent conductive panel 1041 and described second transparent conductive panel 1042 impressed voltage again, the optical axis direction that also can control described dichroic dye molecule 1 044 is parallel with the direction through axle of described lower polaroid 1022.
Further, the direction of described first oriented layer 1045 and described second oriented layer 1046 can also be made to be consistent with the direction of the alignment films be arranged on the array base palte 1011 of described display panels 101.
When described first oriented layer 1045 and the direction of described second oriented layer 1046 are consistent with the direction of the alignment films on described array base palte 1011, the polarized light become through described lower polaroid 1022 partial shapes is when arriving described array base palte by described guest-host effect box 104, the waste of described polarized light is minimum, thus has saved luminous energy.
In addition, at described guest-host effect box 104 not making alive, and under the prerequisite linearly polarized light penetrated from described lower polaroid 1022 not had an impact (that is: described lower polaroid 1022 is parallel with the optical axis of the described dichroic dye molecule 1 044 in described guest-host effect box 104 through axle), described first oriented layer 1045 is set to consistent with the direction of described second oriented layer 104 with the direction of the alignment films on described array base palte 1011, can make to arrive described array base palte 1011 from the linearly polarized light of described lower polaroid 1022 incidence by its former direction, and by being positioned at the acting in conjunction of liquid crystal layer 1013 above described array base palte 1011 and described upper polaroid 1021, thus realize normal white mode or normal black pattern.
On this basis, described array base palte 1011 can comprise pixel electrode and public electrode.Wherein, senior super dimension field switch technology is that the electric field produced between gap electrode layer by being positioned at Different Plane and plate electrode layer (or another gap electrode layer) forms multi-dimensional electric field, make in liquid crystal cell that between gap electrode, directly over electrode, all aligned liquid-crystal molecules can both produce rotation, thus improve liquid crystal work efficiency, there is high resolving power, high permeability, low-power consumption, high aperture, wide viewing angle, low aberration, without advantages such as water of compaction ripples, improve the picture quality of liquid crystal display.
The utility model embodiment still provides a kind of display terminal, comprises above-mentioned display device 10.
Above-mentioned display terminal can be specifically liquid crystal display terminal, such as, can be product or the parts that liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer etc. have any Presentation Function.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (7)
1. a display device, comprises display panel, polaroid and backlight; It is characterized in that, also comprise guest-host effect box; Described guest-host effect box is used for, when described display device is dark-state display, absorbs the polarized light of display panel described in described backlight directive, or absorbing the polarized light from described display panel outgoing;
Described guest-host effect box comprises the first transparent conductive panel and the second transparent conductive panel that are oppositely arranged, and is arranged on the display medium between two transparent conductive panels; Described display medium comprises liquid crystal molecule and dichroic dye molecule;
Wherein, described liquid crystal molecule is for restricting the direction of optic axis of described dichroic dye molecule; Described dichroic dye molecule is used for the absorbing polarization direction described polarized light vertical with the optical axis direction of described dichroic dye molecule or polarized light component.
2. display device according to claim 1, is characterized in that, described liquid crystal molecule is positivity liquid crystal molecule, and described dichroic dye molecule is negativity dichroic dye molecule; Or
Described liquid crystal molecule is positivity liquid crystal molecule, and described dichroic dye molecule is positivity dichroic dye molecule.
3. display device according to claim 1, is characterized in that, described guest-host effect box also comprises the oriented layer being separately positioned on described first transparent conductive panel and described second transparent conductive panel opposite side.
4. the display device according to any one of claims 1 to 3, is characterized in that, described display panel is display panels, and described polaroid comprises polaroid and lower polaroid;
Wherein, described lower polaroid and described upper polaroid are separately positioned on light incidence and the exit facet side of described display panels.
5. display device according to claim 4, is characterized in that, described guest-host effect box is arranged between described lower polaroid and described display panels.
6. display device according to claim 5, is characterized in that, when described guest-host effect box also comprises oriented layer, the direction of described oriented layer is consistent with the direction of the alignment films on the array base palte being arranged on described display panels.
7. a display terminal, is characterized in that, comprises the display device described in any one of claim 1 to 6.
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| CN201320545299.XU CN204557017U (en) | 2013-09-03 | 2013-09-03 | A kind of display device and display terminal |
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| CN110286527A (en) * | 2019-06-25 | 2019-09-27 | 京东方科技集团股份有限公司 | Dye liquid crystal light modulation panel, its production method and the double-deck dye liquid crystal light modulation panel |
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| US11016320B2 (en) | 2019-08-15 | 2021-05-25 | Shanghai Avic Opto Electronics Co., Ltd. | Display device with viewing angle switching, display method and fabrication method thereof |
| CN110646990A (en) * | 2019-10-23 | 2020-01-03 | 南京中电熊猫平板显示科技有限公司 | Display panel and control method thereof |
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