CN110095899A - Display panel and its driving method, display module, display device - Google Patents
Display panel and its driving method, display module, display device Download PDFInfo
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- CN110095899A CN110095899A CN201910455672.4A CN201910455672A CN110095899A CN 110095899 A CN110095899 A CN 110095899A CN 201910455672 A CN201910455672 A CN 201910455672A CN 110095899 A CN110095899 A CN 110095899A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
- G02F1/0316—Electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0327—Operation of the cell; Circuit arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Abstract
This disclosure relates to field of display technology, propose that a kind of display panel and its driving method, display module, display device, the display panel include liquid crystal layer, the first polarizing film, the second polarizing film, third polarizing film and photoelectric crystal layer.The first side for being set to the liquid crystal layer is laminated in first polarizing film；The second side for being set to the liquid crystal layer is laminated in second polarizing film, and vertical with the polarization direction of first polarizing film；The stacking of third polarizing film is set to side of second polarizing film far from first polarizing film, and identical as the polarization direction of second polarizing film；Photoelectric crystal layer stackup is set between the third polarizing film and second polarizing film, for showing that the stage is acted on by a predeterminated voltage in black picture, it is deflected to its internal light is incident in, so that the polarization direction of the light in portion is vertical with the polarization direction of the third polarizing film in the inner for outgoing.Its contrast can be improved in the display panel that the disclosure provides.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and its driving method, display module, displays
Device.
Background technique
Liquid crystal display (TFT-LCD) panel has the advantages that small size, low power consumption, no radiation, manufacturing cost are low etc..
In the related technology, liquid crystal display panel generally comprises liquid crystal layer, the upper polarizer on the upside of liquid crystal layer, is located at liquid
Lower polarizing film on the downside of crystal layer.Wherein, upper polarizer is vertical with the polarization direction of lower polarizing film；Liquid crystal layer has optical activity, can
To change in the case where voltage controls across the polarization direction of its light.When display panel shows black picture, liquid crystal layer, which does not change, to be worn
The polarization direction for crossing its light, the light across lower polarizing film, liquid crystal layer can not be projected from upper polarizer, so that display surface
Plate shows black picture.When display panel shows non-black picture, liquid crystal layer changes across the polarization direction of its light, passes through lower inclined
Shake piece, liquid crystal layer light at least partly from upper polarizer project so that display panel shows non-black picture.
However, display panel is when showing black picture, since the factors such as liquid crystal layer compressional deformation, liquid crystal inherent shortcoming can be made
Change at liquid crystal layer across the polarization direction of its internal light, so that display panel light leakage phenomena is caused, display panel contrast
Decline.
It should be noted that the information in the invention of above-mentioned background technology part is only used for reinforcing the reason to background of the invention
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of display panel and its driving method, display module, display devices.The disclosure
The display panel of offer is able to solve display panel and shows that the stage there is technical issues that in black picture.
Other characteristics and advantages of the invention will be apparent from by the following detailed description, or partially by the present invention
Practice and acquistion.
According to an aspect of the present invention, a kind of display panel is provided, which includes liquid crystal layer, the first polarization
Piece, the second polarizing film, third polarizing film and photoelectric crystal layer.The stacking of first polarizing film is set to the first of the liquid crystal layer
Side；The second side for being set to the liquid crystal layer is laminated in second polarizing film, and vertical with the polarization direction of first polarizing film；The
The stacking of three polarizing films is set to side of second polarizing film far from first polarizing film, and with second polarizing film
Polarization direction is identical；Photoelectric crystal layer stackup is set between the third polarizing film and second polarizing film, for black
Picture shows that the stage act on by a predeterminated voltage, deflects to its internal light is incident in, so as to be emitted portion in the inner
The polarization direction of light is vertical with the polarization direction of the third polarizing film.
In a kind of exemplary embodiment of the invention, the photoelectric crystal layer includes potassium dihydrogen phosphate crystal.
In a kind of exemplary embodiment of the invention, the photoelectric crystal layer includes lithium columbate crystal.
In a kind of exemplary embodiment of the invention, the display panel applications are in a display module, the display module
Including backlight module, first polarizing film is located at side of the liquid crystal layer towards the backlight module.
In a kind of exemplary embodiment of the invention, the display panel applications are in a display module, the display module
Including backlight module, first polarizing film is located at the side that the liquid crystal layer deviates from the backlight module.
In a kind of exemplary embodiment of the invention, the photoelectric crystal level is arranged to the side of the third polarizing film
There is first electrode layer；The photoelectric crystal level is provided with the second electrode lay to the side of second polarizing film；Described first
The predeterminated voltage is formed between electrode layer and the second electrode lay.
In a kind of exemplary embodiment of the invention, the predeterminated voltage is the half-wave voltage of the photoelectric crystal layer.
According to an aspect of the present invention, a kind of driving method of display panel is provided, for driving above-mentioned display surface
Plate, the driving method include:
The stage is shown in black picture, applies a predeterminated voltage to photoelectric crystal layer, is carried out to its internal light is incident in
Deflection, so that the polarization direction of the light in portion is vertical with the polarization direction of the third polarizing film in the inner for outgoing.
According to an aspect of the present invention, a kind of display module is provided, the display module include above-mentioned display panel with
And backlight module.
According to an aspect of the present invention, a kind of display device is provided, which includes above-mentioned display module.
The disclosure proposes a kind of display panel, which includes liquid crystal layer, the first polarizing film, the second polarizing film,
Three polarizing films and photoelectric crystal layer.The first side for being set to the liquid crystal layer is laminated in first polarizing film；The stacking of second polarizing film
It is set to second side of the liquid crystal layer, and vertical with the polarization direction of first polarizing film；Third polarizing film is stacked
In side of second polarizing film far from first polarizing film, and it is identical as the polarization direction of second polarizing film；Light
Transistor layer is stacked between the third polarizing film and second polarizing film, for black picture show the stage by
The effect of one predeterminated voltage is deflected to its internal light is incident in, so as to be emitted the polarization direction of the light in portion in the inner
It is vertical with the polarization direction of the third polarizing film.The display panel that the disclosure provides shows stage, photoelectric crystal in black picture
Layer changes the polarization direction for the light being incident in inside it under predeterminated voltage effect, so that display panel light be avoided to let out
Dew；The display panel that the disclosure provides shows the stage in non-black picture, and photoelectric crystal layer is not acted on by voltage, do not change and be incident in
The polarization direction of its internal light, to not influence the normal display of display panel.On the one hand, the display surface that the disclosure provides
Plate can be to avoid display panel light leakage phenomena, to improve its contrast；On the other hand, which will not influence black picture
Normal display other than display.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of display panel in the related technology；
Fig. 2 is a kind of structural schematic diagram of exemplary embodiment of disclosure display panel；
Fig. 3 is the schematic diagram of potassium dihydrogen phosphate crystal optically-active characteristic；
Fig. 4 is a kind of structural schematic diagram of exemplary embodiment of disclosure display panel.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the present invention will more comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical appended drawing reference indicates in figure
Same or similar structure, thus the detailed description that them will be omitted.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".Term of other relativities, such as "high" " low " "top" "bottom" " left side " " right side " etc. are also made to have similar
Meaning.When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure
It is " direct " to be arranged in other structures, or refer to that certain structure is arranged in other structures by the way that another structure is " indirect ".
Term "one", " one ", " described " to indicate there are one or more elements/component part/etc.；Term " packet
Include " and " having " to indicate the open meaning being included and refer to that the element/component part/in addition to listing waits it
Outside also may be present other element/component part/etc..
As shown in Figure 1, for the structural schematic diagram of display panel in the related technology, which includes liquid crystal layer 13, the
One polarizing film 11 and the second polarizing film 12.Wherein, the first polarizing film 11 is vertical with the polarization direction of the second polarizing film 12；Liquid crystal layer
13 have optical activity, can change under voltage control across the polarization direction of its light.When display panel shows black picture,
Liquid crystal layer does not change the light (arrow direction) across the polarization direction of its light, issued from backlight module 2 and passes through the first polarization
Piece 11, liquid crystal layer 13, and can not be projected from the second polarizing film 12, so that display panel shows black picture.Work as display panel
When showing non-black picture, liquid crystal layer 13 changes across the polarization direction of its light, across the first polarizing film 11, the light of liquid crystal layer 13
Line is at least partly projected from upper polarizer, so that display panel shows non-black picture.However, display panel is showing black picture
When face, change since the factors such as 13 compressional deformation of liquid crystal layer, liquid crystal inherent shortcoming will cause liquid crystal layer across its internal light
Polarization direction has the polarization direction of the second polarizing film across some light of liquid crystal layer 13, to cause display panel light leakage
Phenomenon, the decline of display panel contrast.
Based on this, the present exemplary embodiment provides a kind of display panel, as shown in Fig. 2, a kind of for disclosure display panel
The structural schematic diagram of exemplary embodiment, the display panel include that liquid crystal layer 3, the first polarizing film 4, the second polarizing film 5, third are inclined
Shake piece 6 and photoelectric crystal layer 7.Wherein, the display panel can be applied to a display module, and the display module includes back
Optical mode group 8, the light that backlight module 8 issues are as shown by arrows.First polarizing film 4 can be located at the liquid crystal layer 3 towards
The side of the backlight module.First polarizing film 4 is stacked in the first side of the liquid crystal layer 3；The stacking of second polarizing film 5 is set
It is placed in second side of the liquid crystal layer 3, and vertical with the polarization direction of first polarizing film 4；Third polarizing film 6 is stacked
In side of second polarizing film 5 far from first polarizing film 4, and it is identical as the polarization direction of second polarizing film 5；
Photoelectric crystal layer 7 is stacked between the third polarizing film 6 and second polarizing film 5, for showing rank in black picture
The effect of Duan Shouyi predeterminated voltage, the light to outgoing in second polarizing film deflects, so that it is inclined to be incident on the third
The polarization direction of the light of vibration piece is vertical with the polarization direction of the third polarizing film.
The disclosure proposes a kind of display panel, which includes liquid crystal layer, the first polarizing film, the second polarizing film,
Three polarizing films and photoelectric crystal layer.The first side for being set to the liquid crystal layer is laminated in first polarizing film；The stacking of second polarizing film
It is set to second side of the liquid crystal layer, and vertical with the polarization direction of first polarizing film；Third polarizing film is stacked
In side of second polarizing film far from first polarizing film, and it is identical as the polarization direction of second polarizing film；Light
Transistor layer is stacked between the third polarizing film and second polarizing film, for black picture show the stage by
The effect of one predeterminated voltage, the light to outgoing in second polarizing film deflects, so as to be incident on the third polarizing film
Light polarization direction it is vertical with the polarization direction of the third polarizing film.The display panel that the disclosure provides is aobvious in black picture
Show the stage, photoelectric crystal layer changes outgoing in the polarization direction of the second polarizing film light, thus logical under predeterminated voltage effect
Crossing third polarizing film stops leakage light to project；The display panel that the disclosure provides shows stage, photoelectric crystal in non-black picture
Layer is not acted on by voltage, to not change outgoing in the polarization direction of the second polarizing film light, so that outgoing is inclined in second
The light of vibration piece all passes through third polarizing film and projects.On the one hand, the display panel that the disclosure provides can be to avoid display panel
Light leakage phenomena, to improve its contrast；On the other hand, which will not influence normal aobvious other than black picture is shown
Show.
In the present exemplary embodiment, the photoelectric crystal layer may include potassium dihydrogen phosphate crystal or lithium columbate crystal.Phosphorus
Acid dihydride potassium crystal and lithium columbate crystal all have stronger translucency, so as to avoid photoelectric crystal layer aobvious in non-black picture
Show influence of the stage to normally showing.As shown in figure 3, being the schematic diagram of potassium dihydrogen phosphate crystal optically-active characteristic.As shown in figure 3,
Electric field is propagated in the z-direction along potassium dihydrogen phosphate crystal z directional spreding, light wave, and light wave, which enters after potassium dihydrogen phosphate crystal, to be decomposed
For x ' and y ' the vertical polarisation component Ex ' and Ey ' of the both direction in direction, when they are after length L, light path is respectivelyTo in different polarization
Phase difference on direction are as follows:So longitudinal electro-optic effect causes
The birefringent delay for causing phase, the variation directly proportional to applied voltage of the phase delay of potassium dihydrogen phosphate crystal realizes light
Polarization state variation.
In the present exemplary embodiment, the predeterminated voltage can be the half-wave voltage of the photoelectric crystal layer.In half-wave electricity
Under pressure effect, above-mentioned phase differenceIt is emitted in the polarization direction of the light of photoelectric crystal layer
It is vertical with the polarization direction for the light for being incident in photoelectric crystal layer.To which the inclined of the light of the third polarizing film is incident in realization
Vibration direction is vertical with the polarization direction of the third polarizing film.
As shown in figure 4, being a kind of structural schematic diagram of exemplary embodiment of disclosure display panel, the present exemplary embodiment
In, first polarizing film 4 may be located on the side that the liquid crystal layer 3 deviates from the backlight module 8.Backlight module 8 issues
Light (arrow direction) pass sequentially through third polarizing film 6, photoelectric crystal layer 7, the second polarizing film 5, liquid crystal layer 3, first polarize
Piece 4 is emitted to the outside of display panel.The display panel that the disclosure provides shows the stage in black picture, and photoelectric crystal layer 7 is one
Predeterminated voltage effect is lower to change outgoing in the polarization direction of third polarizing film light, so as to be incident on the light of the second polarizing film 5
Polarization direction is vertical with the polarization direction of the second polarizing film, so as to stop leakage light to project by the second polarizing film；This
The open display panel provided shows the stage in non-black picture, and photoelectric crystal layer is not acted on by voltage, thus do not change outgoing in
The polarization direction of third polarizing film light is penetrated so that outgoing all passes through the second polarizing film in the light of third polarizing film
Out.On the one hand, the display panel that the disclosure provides can be to avoid display panel light leakage phenomena, to improve its contrast；It is another
Aspect, the display panel will not influence the normal display other than black picture is shown.
In the present exemplary embodiment, can be in a kind of embodiment that photoelectric crystal layer two sides form voltage, in institute
It states photoelectric crystal level and the side of the third polarizing film is provided with first electrode layer；In the photoelectric crystal level to described
The side of second polarizing film is provided with the second electrode lay；By forming institute between the first electrode layer and the second electrode lay
State predeterminated voltage.
The present exemplary embodiment also provides a kind of driving method of display panel, should for driving above-mentioned display panel
Driving method includes:
The stage is shown in black picture, applies a predeterminated voltage to photoelectric crystal layer, so as to be incident on the light of third polarizing film
The polarization direction of line is vertical with the polarization direction of the third polarizing film.
The driving method for the display panel that the disclosure provides and above-mentioned display panel technical characteristic having the same and work
Make principle, details are not described herein again.
The present exemplary embodiment also provides a kind of display module, which includes above-mentioned display panel and backlight
Mould group.
The display module and above-mentioned display panel technical characteristic having the same and working principle that the disclosure provides, herein
It repeats no more.
The present exemplary embodiment also provides a kind of display device, which includes above-mentioned display module.
The display device and above-mentioned display panel technical characteristic having the same and working principle that the disclosure provides, herein
It repeats no more.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
His embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Adaptive change follow the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure or
Conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by claim
It points out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the attached claims.
Claims (10)
1. a kind of display panel characterized by comprising
Liquid crystal layer；
First polarizing film is stacked in the first side of the liquid crystal layer；
Second polarizing film is stacked in second side of the liquid crystal layer, and vertical with the polarization direction of first polarizing film；
Third polarizing film is stacked in side of second polarizing film far from first polarizing film, and with described second
The polarization direction of polarizing film is identical；
Photoelectric crystal layer is stacked between the third polarizing film and second polarizing film, for showing in black picture
Stage is acted on by a predeterminated voltage, is deflected to its internal light is incident in, so that the outgoing light in portion in the inner is inclined
Vibration direction is vertical with the polarization direction of the third polarizing film.
2. display panel according to claim 1, which is characterized in that the photoelectric crystal layer includes potassium dihydrogen phosphate crystalline substance
Body.
3. display panel according to claim 1, which is characterized in that the photoelectric crystal layer includes lithium columbate crystal.
4. display panel according to claim 1, which is characterized in that the display panel applications are in a display module, institute
Stating display module includes backlight module, and first polarizing film is located at side of the liquid crystal layer towards the backlight module.
5. display panel according to claim 1, which is characterized in that the display panel applications are in a display module, institute
Stating display module includes backlight module, and first polarizing film is located at the side that the liquid crystal layer deviates from the backlight module.
6. display panel according to claim 1, which is characterized in that
The photoelectric crystal level is provided with first electrode layer to the side of the third polarizing film；
The photoelectric crystal level is provided with the second electrode lay to the side of second polarizing film；
The predeterminated voltage is formed between the first electrode layer and the second electrode lay.
7. display panel according to claim 1, which is characterized in that the predeterminated voltage is the half of the photoelectric crystal layer
Wave voltage.
8. a kind of driving method of display panel, for driving the described in any item display panels of claim 1-7, feature exists
In, comprising:
The stage is shown in black picture, applies a predeterminated voltage to photoelectric crystal layer, is deflected to its internal light is incident in,
So that the polarization direction of the light in portion is vertical with the polarization direction of the third polarizing film in the inner for outgoing.
9. a kind of display module, which is characterized in that including the described in any item display panels of claim 1-7 and backlight mould
Group.
10. a kind of display device, which is characterized in that including display module as claimed in claim 9.
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| CN201910455672.4A CN110095899A (en) | 2019-05-29 | 2019-05-29 | Display panel and its driving method, display module, display device |
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| CN201910455672.4A CN110095899A (en) | 2019-05-29 | 2019-05-29 | Display panel and its driving method, display module, display device |
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Application publication date: 20190806 |