CN210864261U - Liquid crystal display panel and display device - Google Patents

Liquid crystal display panel and display device Download PDF

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CN210864261U
CN210864261U CN201922257995.0U CN201922257995U CN210864261U CN 210864261 U CN210864261 U CN 210864261U CN 201922257995 U CN201922257995 U CN 201922257995U CN 210864261 U CN210864261 U CN 210864261U
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liquid crystal
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electrode
substrate
display panel
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楚方方
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InfoVision Optoelectronics Kunshan Co Ltd
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InfoVision Optoelectronics Kunshan Co Ltd
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Abstract

The embodiment of the utility model provides a liquid crystal display panel and display device, liquid crystal display panel includes: a first liquid crystal cell and a second liquid crystal cell; the first liquid crystal box comprises a first polaroid, a first liquid crystal layer and a pixel electrode layer which are sequentially arranged towards the second liquid crystal box; the pixel electrode layer comprises a plurality of pixel electrodes arranged in an array; the second liquid crystal box comprises a second polaroid, a second electrode, a second liquid crystal layer and a first electrode which are arranged in sequence towards the first liquid crystal box; the direction of the second liquid crystal box towards the first liquid crystal box is consistent with the light emitting display direction of the liquid crystal display panel. The embodiment of the utility model provides a liquid crystal display panel and display device to realize the switching of normally black display mode and normally white display mode.

Description

Liquid crystal display panel and display device
Technical Field
The utility model relates to a display technology especially relates to a liquid crystal display panel and display device.
Background
With the development of scientific technology and the progress of society, people increasingly depend on the aspects of information communication and transmission, and the display panel as a main carrier and material basis for information exchange and transmission becomes a hot spot of research of many scientists.
Most of the conventional liquid crystal display panels are in a single normally white display mode or a normally black display mode. In the normally black display mode, the transmittance is low, and the module brightness is difficult to be increased. In outdoor sunny or high-brightness environments, the sensory image quality of human eyes is reduced due to insufficient module brightness. In the normally white mode, the dark state luminance is not sufficiently black, which causes a decrease in contrast and affects the image quality.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a liquid crystal display panel and display device to realize the switching of normally black display mode and normally white display mode.
In a first aspect, an embodiment of the present invention provides a liquid crystal display panel, including: a first liquid crystal cell and a second liquid crystal cell;
the first liquid crystal box comprises a first polaroid, a first liquid crystal layer and a pixel electrode layer which are sequentially arranged towards the second liquid crystal box; the pixel electrode layer comprises a plurality of pixel electrodes arranged in an array;
the second liquid crystal box comprises a second polaroid, a second electrode, a second liquid crystal layer and a first electrode which are arranged in sequence towards the first liquid crystal box;
the direction of the second liquid crystal box facing the first liquid crystal box is consistent with the light emitting display direction of the liquid crystal display panel;
the first liquid crystal box is a display box, and the second liquid crystal box is a normally black and normally white control box.
Further, the absorption axis of the first polarizer is perpendicular to the absorption axis of the second polarizer; or,
and the absorption axis of the first polaroid is parallel to that of the second polaroid.
Further, the first electrode and the second electrode are both transparent planar electrodes.
Furthermore, the first electrode and the second electrode are both metal grid electrodes, and the vertical projection of the pixel electrode on the second polarizer is located in a grid opening formed by the vertical projection of the metal grid electrode on the second polarizer.
Further, the first liquid crystal box comprises a first substrate and a second substrate, the first substrate is located between the first polarizer and the first liquid crystal layer, and the second substrate is located on one side, far away from the first liquid crystal layer, of the pixel electrode layer;
the second liquid crystal box comprises a third substrate and a fourth substrate, the third substrate is positioned on one side, away from the second liquid crystal layer, of the first electrode, and the fourth substrate is positioned between the second electrode and the second polaroid.
Further, the first liquid crystal box comprises a first substrate and a second substrate, the first substrate is located between the first polarizer and the first liquid crystal layer, and the second substrate is located on one side, far away from the first liquid crystal layer, of the pixel electrode layer;
the second liquid crystal cell comprises a fourth substrate, and the fourth substrate is located between the second electrode and the second polarizer.
Further, the second liquid crystal layer comprises negative liquid crystal molecules, and the initial pretilt angle of the negative liquid crystal molecules is 80-90 degrees; or,
the second liquid crystal layer comprises positive liquid crystal molecules, and the initial pretilt angle of the positive liquid crystal molecules is 0-10 degrees.
Further, the first liquid crystal cell further comprises a common electrode, and the common electrode is positioned between the first polarizer and the first liquid crystal layer; or,
the common electrode is positioned on one side of the first liquid crystal layer, which is far away from the first polaroid.
Further, the display device further comprises a color resistance layer, wherein the color resistance layer comprises a plurality of color resistances, and the color resistances are overlapped with the vertical projection of the pixel electrode on the second polarizer;
the color resistance layer is positioned between the first polarizer and the first liquid crystal layer; or,
the color resistance layer is positioned between the first liquid crystal layer and the second liquid crystal layer; or,
the color resistance layer is located between the second liquid crystal layer and the second polarizer.
In a second aspect, an embodiment of the present invention provides a display device, including the liquid crystal display panel of the first aspect; and the second liquid crystal box is positioned between the backlight module and the first liquid crystal box.
In an embodiment of the present invention, the liquid crystal display panel includes a first liquid crystal cell and a second liquid crystal cell, the first liquid crystal cell has a picture display function, the second liquid crystal cell is located on one side of a display picture deviating from the first liquid crystal cell, and the second liquid crystal cell includes a first electrode, a second electrode and a second liquid crystal layer located between the first electrode and the second electrode, so that a state of liquid crystal molecules in the second liquid crystal layer can be controlled by the first electrode and the second electrode. The second liquid crystal cell has the function of switching and controlling the normally black display mode and the normally white display mode. The embodiment of the utility model provides a liquid crystal display panel can realize the switching of normally black mode and normally white mode of showing, makes it be in normally black mode under general luminance environment, and the picture quality is better, switches to normally white mode under outdoor sufficient sunshine environment or high bright environment, and luminance is high, improves the viewing effect.
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Fig. 1 is a schematic cross-sectional view of a liquid crystal display panel according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention;
FIG. 3 is a schematic top view of the first electrode of FIG. 2;
fig. 4 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention;
fig. 7 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention;
fig. 8 is a schematic cross-sectional view of another lcd panel according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional structure diagram of a display device according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention for the specific embodiments, structures, features and effects of the liquid crystal display panel and the display device according to the present invention.
Fig. 1 is a schematic cross-sectional structural view of a liquid crystal display panel according to an embodiment of the present invention, referring to fig. 1, the liquid crystal display panel includes a first liquid crystal cell 1 and a second liquid crystal cell 2. The first liquid crystal cell 1 includes a first polarizer 11, a first liquid crystal layer 16, and a pixel electrode layer 18, which are sequentially disposed toward the second liquid crystal cell 2. The pixel electrode layer 18 includes a plurality of pixel electrodes 181 arranged in an array. The deflection state of the liquid crystal molecules in each sub-pixel can be controlled by applying an independent voltage or current to each pixel electrode 181, thereby controlling the light transmittance of the sub-pixel to realize picture display. The first liquid crystal cell 1 has a function of displaying a picture. The second liquid crystal cell 2 comprises a second polarizer 29, a second electrode 27, a second liquid crystal layer 24 and a first electrode 22 arranged in that order towards the first liquid crystal cell 1. The direction of the second liquid crystal cell 2 toward the first liquid crystal cell 1 coincides with the light emitting display direction of the liquid crystal display panel. That is, the second liquid crystal cell 2 is located on the side of the display screen facing away from the first liquid crystal cell 1.
In the embodiment of the present invention, the liquid crystal display panel includes the first liquid crystal cell 1 and the second liquid crystal cell 2, the first liquid crystal cell 1 has a picture display function, the second liquid crystal cell 2 is located on one side of the display picture deviating from the first liquid crystal cell 1, and the second liquid crystal cell 2 includes the first electrode 22, the second electrode 27 and the second liquid crystal layer 24 located between the first electrode 22 and the second electrode 27, so that the state of the liquid crystal molecules in the second liquid crystal layer 24 can be controlled by the first electrode 22 and the second electrode 27. The second liquid crystal cell 2 has a function of switching control between a normally black display mode and a normally white display mode. The embodiment of the utility model provides a liquid crystal display panel can realize the switching of normally black mode and normally white mode of showing, makes it be in normally black mode under general luminance environment, and the picture quality is better. And the outdoor environment with sufficient sunlight or the high brightness environment is switched to the normally white mode, so that the brightness is high, and the watching effect is improved.
Alternatively, referring to fig. 1, the absorption axis of the first polarizer 11 is perpendicular to the absorption axis of the second polarizer 29. The first polarizer 11 may pass light having a polarization direction perpendicular to the absorption axis of the first polarizer 11 and absorb light having a polarization direction parallel to the absorption axis of the first polarizer 11. The second polarizing plate 29 may pass light having a polarization direction perpendicular to the absorption axis of the second polarizing plate 29 and absorb light having a polarization direction parallel to the absorption axis of the second polarizing plate 29. In other embodiments, the absorption axis of the first polarizer 11 and the absorption axis of the second polarizer 29 may also be parallel, which is not limited in the embodiments of the present invention.
Alternatively, referring to fig. 1, the first electrode 22 and the second electrode 27 are both transparent planar electrodes. The first electrode 22 and the second electrode 27 can be formed using a transparent metal oxide such as indium tin oxide. Since the first electrode 22 and the second electrode 27 are both transparent planar electrodes, the first electrode 22 and the second electrode 27 do not block light transmitted through the second liquid crystal cell 2. And a uniform electric field can be formed between the first electrode 22 and the second electrode 27, which is favorable for controlling all liquid crystal molecules in the second liquid crystal layer 24 to have the same deflection state.
Fig. 2 is a schematic cross-sectional structure view of another liquid crystal display panel provided by an embodiment of the present invention, fig. 3 is a schematic top view structure view of the first electrode in fig. 2, referring to fig. 2 and fig. 3, the first electrode 22 and the second electrode 27 are both metal grid electrodes, and the metal material has smaller resistance compared with the metal oxide material, which is beneficial to reducing the driving voltage. And the vertical projection of the pixel electrode layer 18 on the second polarizer 29 is located in the grid formed by the vertical projection of the metal grid electrode on the second polarizer 29, the first electrode 22 and the second electrode 27 are not overlapped with the pixel electrode layer 18, and the first electrode 22 and the second electrode 27 made of metal materials are arranged in the non-opening area of the sub-pixel, so that the light-emitting display is not influenced.
Optionally, referring to fig. 1, the first liquid crystal cell 1 further includes a first substrate 12 and a second substrate 19, the first substrate 12 is located between the first polarizer 11 and the first liquid crystal layer 16, and the second substrate 19 is located on a side of the pixel electrode layer 18 away from the first liquid crystal layer 16. The second liquid crystal cell 2 further comprises a third substrate 21 and a fourth substrate 28, the third substrate 21 being located on the side of the first electrode 22 remote from the second liquid crystal layer 24, the fourth substrate 28 being located between the second electrode 27 and the second polarizer 29. In the embodiment of the present invention, the first liquid crystal cell 1 includes a first substrate 12 and a second substrate 19, and a first liquid crystal layer 16 may be filled between the first substrate 12 and the second substrate 19 to form the first liquid crystal cell 1. The second liquid crystal cell 2 includes a third substrate 21 and a fourth substrate 28, and the second liquid crystal layer 24 may be filled between the third substrate 21 and the fourth substrate 28 to form the second liquid crystal cell 2. Therefore, the first liquid crystal cell 1 and the second liquid crystal cell 2 can be independently formed, and then the first liquid crystal cell 1 and the second liquid crystal cell 2 can be assembled to form the liquid crystal display panel.
Optionally, referring to fig. 1, the first liquid crystal cell 1 further includes a first frame sealing adhesive 17, the first substrate 12 and the second substrate 19 form a first sealed space, and the first liquid crystal layer 16 is located in the first sealed space. The second liquid crystal cell 2 further includes a second frame sealing adhesive 25, the third substrate 21 and the fourth substrate 28 form a second enclosed space, and the second liquid crystal layer 24 is located in the second enclosed space.
Fig. 4 is a schematic cross-sectional structure view of another liquid crystal display panel according to an embodiment of the present invention, referring to fig. 4, a first liquid crystal cell 1 includes a first substrate 12 and a second substrate 19, the first substrate 12 is located between the first polarizer 11 and the first liquid crystal layer 16, and the second substrate 19 is located on a side of the pixel electrode layer 18 away from the first liquid crystal layer 16. The second liquid crystal cell 2 comprises a fourth substrate 28, the fourth substrate 28 being located between the second electrode 27 and the second polarizer 29. In the embodiment of the present invention, the second liquid crystal cell 2 only includes one substrate (i.e. the fourth substrate 28), and the second liquid crystal cell 2 shares the second substrate 19 in the first liquid crystal cell 1, thereby saving one substrate and reducing the thickness of the liquid crystal display panel.
Exemplarily, referring to fig. 4, the first frame sealing adhesive 17, the first substrate 12 and the second substrate 19 form a first sealed space, and the first liquid crystal layer 16 is located in the first sealed space. The second frame sealing glue 25, the second substrate 19 and the fourth substrate 28 form a second enclosed space, and the second liquid crystal layer 24 is located in the second enclosed space.
Alternatively, referring to fig. 1, the second liquid crystal layer 24 includes negative liquid crystal molecules having an initial pretilt angle of 70 ° to 90 °, and fig. 1 illustrates 90 ° as an example.
Alternatively, referring to fig. 1, the second liquid crystal cell 2 further includes a first alignment layer 23 and a second alignment layer 26, the first alignment layer 23 being located between the first electrode 22 and the second liquid crystal layer 24, the second alignment layer 26 being located between the second electrode 27 and the second liquid crystal layer 24. The first alignment layer 23 and the second alignment layer 26 make the initial pretilt angle of the negative liquid crystal molecules 90 °.
It should be noted that the first liquid crystal cell 1 may also include an alignment layer (not shown in fig. 1), and the alignment layer in the first liquid crystal cell 1 plays a role of providing an initial state for the liquid crystal molecules in the first liquid crystal layer 16, and is not described herein again. The liquid crystal molecules in the first liquid crystal layer 16 may be positive liquid crystal molecules or negative liquid crystal molecules.
Fig. 5 is a schematic cross-sectional structure view of another liquid crystal display panel according to an embodiment of the present invention, referring to fig. 5, the difference between this embodiment and the above-mentioned embodiment is that the liquid crystal molecules in the second liquid crystal layer 24 are positive liquid crystal molecules, the initial pretilt angle of the positive liquid crystal molecules is 0 ° to 10 °, and fig. 5 illustrates an example of 0 °.
Alternatively, referring to fig. 1, the first liquid crystal cell 1 further includes a common electrode 15, and the common electrode 15 is located between the first polarizer 11 and the first liquid crystal layer 16. The common electrode 15 and the pixel electrode layer 18 are located on opposite sides of the first liquid crystal layer 16, and a vertical electric field may be formed between the common electrode 15 and the pixel electrode 181 in the pixel electrode layer 18.
Exemplarily, referring to fig. 1, the common electrode 15 is located between the first substrate 12 and the first liquid crystal layer 16.
Fig. 6 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention, referring to fig. 6, the common electrode 15 is located on a side of the first liquid crystal layer 16 away from the first polarizer 11. The common electrode 15 and the pixel electrode layer 18 are located on the same side of the first liquid crystal layer 16, and a horizontal electric field may be formed between the common electrode 15 and the pixel electrode 181 in the pixel electrode layer 18.
Exemplarily, referring to fig. 6, the common electrode 15 is positioned between the first liquid crystal layer 16 and the second substrate 19. Further, the common electrode 15 may be positioned between the pixel electrode layer 18 and the second substrate 19. The common electrode 15 and the pixel electrode layer 18 are electrically insulated from each other by an insulating layer.
Optionally, referring to fig. 1, the liquid crystal display panel further includes a color resistance layer 13, the color resistance layer 13 includes a plurality of color resistors 131, and the color resistors 131 overlap with the vertical projection of the pixel electrodes 181 on the second polarizer 29. The color resist layer 13 is located between the first polarizer 11 and the first liquid crystal layer 16.
Exemplarily, referring to fig. 1, the color resist layer 13 is located between the first substrate 12 and the first liquid crystal layer 16. Further, the color resistance layer 13 may be positioned between the first substrate 12 and the common electrode 15. The color resistance layer 13 may include a red color resistance, a green color resistance, and a blue color resistance. The light filtered by the red color resistor is red light, the light filtered by the green color resistor is green light, and the light filtered by the blue color resistor is blue light, so that color display can be realized.
Alternatively, referring to fig. 1, the liquid crystal display panel may further include black matrices 14, and the color resistors 131 are located between two adjacent black matrices 14. The pixel electrode 181 in the pixel electrode layer 18 does not overlap the black matrix 14.
Fig. 7 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention, referring to fig. 7, the color-resist layer 13 is located between the first liquid crystal layer 16 and the second liquid crystal layer 24.
Exemplarily, referring to fig. 7, the color resist layer 13 is located between the first liquid crystal layer 16 and the second substrate 19. Further, the color resistance layer 13 may be located between the pixel electrode layer 18 and the common electrode 15. In other embodiments, the color-resist layer 13 may also be located in the second liquid crystal cell 2, and the color-resist layer 13 may be located between the second liquid crystal layer 24 and the second polarizer 29, which is not limited by the embodiment of the present invention.
Fig. 8 is a schematic cross-sectional view of another liquid crystal display panel according to an embodiment of the present invention, referring to fig. 8, the second liquid crystal cell 2 may further include a brightness enhancement film 20, and the brightness enhancement film 20 is located on a surface of the second polarizer 29 away from the second liquid crystal layer 24, for increasing the brightness of light passing through the second liquid crystal cell 2.
The embodiment of the utility model provides a still carry out the exemplary introduction to the principle of realizing the switching of normally black display mode and normally white display mode, the principle example is as follows:
the absorption axis of the first polarizer 11 is perpendicular to the absorption axis of the second polarizer 29, and the second liquid crystal layer 24 includes negative liquid crystal molecules having an initial pretilt angle of 80 ° to 90 °. When there is no electric field between the first electrode 22 and the second electrode 27, the liquid crystal molecules in the second liquid crystal layer 24 are in a standing state, the second liquid crystal layer 24 has no optical rotation effect on light, and the liquid crystal display panel realizes a normally black display mode. When a voltage or a current is applied to the first electrode 22 and the second electrode 27, and an electric field exists between the first electrode 22 and the second electrode 27, the liquid crystal molecules in the second liquid crystal layer 24 are in a flat state, an included angle of 45 degrees exists between the long axis direction of the liquid crystal molecules in the second liquid crystal layer 24 and the absorption axis of the first polarizer 11 and the absorption axis of the second polarizer 29, the second liquid crystal layer 24 is equivalent to a half-wave plate, the second liquid crystal layer 24 rotates incident light by 90 degrees and then emits the incident light, and the liquid crystal display panel realizes a normally white display mode.
It will be appreciated that positive liquid crystals may also be used in the second liquid crystal cell 2, the initial pretilt angle of the positive liquid crystal molecules being 0 to 10. When there is no electric field between the first electrode 22 and the second electrode 27, the liquid crystal molecules in the second liquid crystal layer 24 are in a flat state, an included angle of 45 ° exists between the long axis direction of the liquid crystal molecules in the second liquid crystal layer 24 and the absorption axis of the first polarizer 11 and the absorption axis of the second polarizer 29, the second liquid crystal layer 24 is equivalent to a half-wave plate, the second liquid crystal layer 24 rotates the incident light by 90 ° and then emits the incident light, and the liquid crystal display panel realizes a normally white display mode. When a voltage or a current is applied to the first electrode 22 and the second electrode 27, and an electric field exists between the first electrode 22 and the second electrode 27, the liquid crystal molecules in the second liquid crystal layer 24 are in a standing state, the second liquid crystal layer 24 has no optical rotation effect on light, and the liquid crystal display panel realizes a normally black display mode.
The utility model discloses a thereby the state of liquid crystal molecule in first electrode and second electrode come control second liquid crystal layer realizes the switching of normal black mode and normal white mode of showing, makes it be in normal black mode under general luminance environment, and the picture quality is better, switches to normal white mode under outdoor sufficient environment of sunshine or high bright environment, and luminance is high, improves the viewing effect.
Optionally, the liquid crystal display panel may further include a first chip (not shown in fig. 1) for supplying a driving voltage to the common electrode 15 and the pixel electrode layer 18 in the first liquid crystal cell 1. The first chip for supplying the driving voltage to the pixel electrode layer 18 may include a two-plate gamma voltage. The first chip is also used to provide a driving voltage to the first electrode 22 and the second electrode 27.
Alternatively, the liquid crystal display panel may further include a first chip and a second chip (not shown in fig. 1), the first chip being used to supply a driving voltage to the common electrode 15 and the pixel electrode layer 18 in the first liquid crystal cell 1. The first chip for supplying the driving voltage to the pixel electrode layer 18 may include a two-plate gamma voltage. The second chip is used to supply a driving voltage to the first electrode 22 and the second electrode 27.
Alternatively, the liquid crystal display panel may further include a display compensation film (not shown in fig. 1) on one side surface of the first polarizing plate 11 and/or the second polarizing plate 29.
The embodiment of the utility model provides a still provide a display device, fig. 9 is the utility model provides a section structure schematic diagram of a display device, refer to fig. 9, display device includes the liquid crystal display panel in any embodiment of the aforesaid. The display device may further include a backlight module 3, and the second liquid crystal cell 2 is located between the backlight module 3 and the first liquid crystal cell 1.
Alternatively, referring to fig. 9, the backlight module 3 includes a backlight 31 and an incremental diffusion film 32, and the backlight 31 may be a side-type backlight or a direct-type backlight for providing an illumination beam. The incremental diffusion film 32 is located between the backlight 31 and the second liquid crystal cell 2, and is used for increasing the light extraction efficiency of the backlight 31 and improving the light extraction uniformity.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (10)

1. A liquid crystal display panel, comprising: a first liquid crystal cell and a second liquid crystal cell;
the first liquid crystal box comprises a first polaroid, a first liquid crystal layer and a pixel electrode layer which are sequentially arranged towards the second liquid crystal box; the pixel electrode layer comprises a plurality of pixel electrodes arranged in an array;
the second liquid crystal box comprises a second polaroid, a second electrode, a second liquid crystal layer and a first electrode which are arranged in sequence towards the first liquid crystal box;
the direction of the second liquid crystal box facing the first liquid crystal box is consistent with the light emitting display direction of the liquid crystal display panel;
the first liquid crystal box is a display box, and the second liquid crystal box is a normally black and normally white control box.
2. The liquid crystal display panel according to claim 1, wherein an absorption axis of the first polarizer is perpendicular to an absorption axis of the second polarizer; or,
and the absorption axis of the first polaroid is parallel to that of the second polaroid.
3. The liquid crystal display panel according to claim 1, wherein the first electrode and the second electrode are both transparent planar electrodes.
4. The liquid crystal display panel according to claim 1, wherein the first electrode and the second electrode are both metal mesh electrodes, and a vertical projection of the pixel electrode on the second polarizer is located in a mesh opening formed by a vertical projection of the metal mesh electrode on the second polarizer.
5. The liquid crystal display panel according to claim 1, wherein the first liquid crystal cell comprises a first substrate and a second substrate, the first substrate is located between the first polarizer and the first liquid crystal layer, and the second substrate is located on a side of the pixel electrode layer away from the first liquid crystal layer;
the second liquid crystal box comprises a third substrate and a fourth substrate, the third substrate is positioned on one side, away from the second liquid crystal layer, of the first electrode, and the fourth substrate is positioned between the second electrode and the second polaroid.
6. The liquid crystal display panel according to claim 1, wherein the first liquid crystal cell comprises a first substrate and a second substrate, the first substrate is located between the first polarizer and the first liquid crystal layer, and the second substrate is located on a side of the pixel electrode layer away from the first liquid crystal layer;
the second liquid crystal cell comprises a fourth substrate, and the fourth substrate is located between the second electrode and the second polarizer.
7. The liquid crystal display panel according to claim 1, wherein the second liquid crystal layer includes negative liquid crystal molecules, and an initial pretilt angle of the negative liquid crystal molecules is 80 ° to 90 °; or,
the second liquid crystal layer comprises positive liquid crystal molecules, and the initial pretilt angle of the positive liquid crystal molecules is 0-10 degrees.
8. The liquid crystal display panel of claim 1, wherein the first liquid crystal cell further comprises a common electrode between the first polarizer and the first liquid crystal layer; or,
the common electrode is positioned on one side of the first liquid crystal layer, which is far away from the first polaroid.
9. The liquid crystal display panel according to claim 1, further comprising a color resistance layer including a plurality of color resistances which overlap with a perpendicular projection of the pixel electrode on the second polarizer;
the color resistance layer is positioned between the first polarizer and the first liquid crystal layer; or,
the color resistance layer is positioned between the first liquid crystal layer and the second liquid crystal layer; or,
the color resistance layer is located between the second liquid crystal layer and the second polarizer.
10. A display device comprising the liquid crystal display panel according to any one of claims 1 to 9; and the second liquid crystal box is positioned between the backlight module and the first liquid crystal box.
CN201922257995.0U 2019-12-16 2019-12-16 Liquid crystal display panel and display device Active CN210864261U (en)

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CN111929953A (en) * 2020-08-25 2020-11-13 昆山龙腾光电股份有限公司 Double-box liquid crystal display panel and manufacturing method thereof
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CN111929943A (en) * 2020-08-21 2020-11-13 昆山龙腾光电股份有限公司 Display panel and display device
CN111929953B (en) * 2020-08-25 2022-09-23 昆山龙腾光电股份有限公司 Double-box liquid crystal display panel and manufacturing method thereof
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CN112198727A (en) * 2020-10-16 2021-01-08 武汉华星光电技术有限公司 Display device
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CN114911087B (en) * 2022-05-31 2023-12-22 厦门天马微电子有限公司 Display panel, display method and display device
CN115728985A (en) * 2022-11-29 2023-03-03 惠科股份有限公司 Display panel, display panel driving method and display device
CN115728985B (en) * 2022-11-29 2023-10-13 惠科股份有限公司 Display panel, display panel driving method and display device
CN115903307A (en) * 2022-11-30 2023-04-04 福州京东方光电科技有限公司 Display panel and preparation method thereof
CN116400526A (en) * 2023-06-08 2023-07-07 惠科股份有限公司 Display module, driving method and display device
CN116400526B (en) * 2023-06-08 2023-08-25 惠科股份有限公司 Display module, driving method and display device

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