CN112034654B - Liquid crystal display panel and display device - Google Patents

Liquid crystal display panel and display device Download PDF

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Publication number
CN112034654B
CN112034654B CN202011000116.7A CN202011000116A CN112034654B CN 112034654 B CN112034654 B CN 112034654B CN 202011000116 A CN202011000116 A CN 202011000116A CN 112034654 B CN112034654 B CN 112034654B
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China
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alignment
liquid crystal
region
pixel
area
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CN112034654A (en
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薛彦鹏
储周硕
黄添钧
李广圣
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Chengdu BOE Display Technology Co Ltd
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Chengdu BOE Display Technology Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133753Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134336Matrix
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136286Wiring, e.g. gate line, drain line

Abstract

The embodiment of the invention belongs to the technical field of display equipment, and particularly relates to a liquid crystal display panel and a display device. The embodiment of the invention aims to solve the technical problem of low light transmittance of a liquid crystal layer in the related art. According to the liquid crystal display panel and the display device provided by the embodiment of the invention, the liquid crystal layer is arranged between the array substrate and the color film substrate, a plurality of parallel and spaced first wires and a plurality of parallel and spaced second wires are arranged on the array substrate, the first wires and the second wires are vertical, and each first wire and each second wire are surrounded into a plurality of pixel areas arranged in an array; in the pixel areas of the same row, the alignment directions of the liquid crystal layers corresponding to the adjacent pixel areas are different; when the display is performed, the liquid crystal layer between the adjacent pixel areas forms dark lines, the projection of the dark lines on the array substrate is overlapped with the first wires or the second wires, the dark line area in the pixel areas is reduced, and the light transmittance of the pixel areas is further improved.

Description

Liquid crystal display panel and display device
Technical Field
The embodiment of the invention relates to the technical field of display equipment, in particular to a liquid crystal display panel and a display device.
Background
With the development of display technology, liquid crystal display panels are widely used in mobile phones, televisions, computers and other display devices. The liquid crystal display panel generally includes an array substrate and a color film substrate opposite to each other, and a liquid crystal layer between the array substrate and the color film substrate, and the array substrate is used for controlling the deflection of liquid crystal molecules in the liquid crystal layer to realize display.
In the related art, a plurality of parallel and spaced data lines and a plurality of parallel and spaced scanning lines are arranged on an array substrate, the extending direction of the data lines is perpendicular to the extending direction of the scanning lines, a pixel area is formed between two adjacent data lines and two scanning lines, a liquid crystal layer corresponding to the pixel area is provided with a first area, a second area, a third area and a fourth area which are sequentially arranged around the center of the pixel area, the alignment directions of the liquid crystal layers of the first area, the second area, the third area and the fourth area are different, the alignment directions of the liquid crystal layers of the first area and the third area are opposite, the alignment directions of the liquid crystal layers of the second area and the fourth area are opposite, the alignment directions of the liquid crystal layers of the first area and the second area are perpendicular, and the alignment directions of the liquid crystal layers of the first area, the second area, the third area and the fourth area are sequentially arranged around the center of the pixel area.
However, the alignment directions of the liquid crystal layers in the first, second, third and fourth regions are different, so that the light transmittance of the liquid crystal layer between the two adjacent regions is low, and dark fringes are formed in the pixel region, thereby causing the light transmittance of the liquid crystal layer to be low.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a liquid crystal display panel and a display device, so as to solve the technical problem of low transmittance of a liquid crystal layer.
The embodiment of the invention provides a liquid crystal display panel, which comprises: the liquid crystal display comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are oppositely arranged; the array substrate is provided with a plurality of first wires which are arranged in parallel at intervals and a plurality of second wires which are arranged in parallel at intervals, wherein the first wires are perpendicular to the second wires, a pixel area is enclosed between two adjacent first wires and two adjacent second wires, the number of the pixel areas is multiple, and the arrangement of the pixel area arrays is multiple; in the same row, the alignment directions of the liquid crystal layers corresponding to the adjacent pixel areas are different.
The liquid crystal display panel as described above, wherein the pixel regions in the same row form a row of pixel sets, each pixel set includes two pixel regions, and a row direction of the pixel set is parallel to the first conductive line; a first region and a second region are arranged in one pixel region in the same pixel set, a third region and a fourth region are arranged in the other pixel region in the pixel set, and the first region, the second region, the third region and the fourth region are arranged around the midpoint of the second conducting wire which is positioned in the pixel set and is positioned in the middle position; the first region and the fourth region are positioned on the same straight line parallel to the first wire; the alignment directions of the liquid crystal layers corresponding to the first region and the third region are opposite, the alignment directions of the liquid crystal layers corresponding to the second region and the fourth region are opposite, and the alignment directions of the liquid crystal layers corresponding to the first region and the second region are vertical; the alignment directions of the liquid crystal layers of the first region, the second region, the third region and the fourth region are sequentially arranged around the middle point.
The liquid crystal display panel described above, wherein the color film substrate has a plurality of filter areas, and each filter area is disposed opposite to one pixel area; and in the same pixel set, the light allowed to pass through by the filtering areas corresponding to the two pixel areas are different in color.
The liquid crystal display panel is characterized in that a first alignment film is arranged between the array substrate and the liquid crystal layer, and a second alignment film is arranged between the color film substrate and the liquid crystal layer; the first alignment film corresponding to each row of the pixel sets is provided with a first alignment area and a second alignment area with opposite alignment directions, and the alignment directions of the first alignment area and the second alignment area are parallel to the row direction of the pixel sets; the second alignment film corresponding to each column of the pixel set is provided with a third alignment area and a fourth alignment area with opposite alignment directions, and the third alignment area and the fourth alignment area are opposite to different pixel areas; the alignment direction of the first alignment region is perpendicular to the alignment direction of the third alignment region.
The liquid crystal display panel is characterized in that a first alignment film is arranged between the array substrate and the liquid crystal layer, and a second alignment film is arranged between the color film substrate and the liquid crystal layer; the second alignment film corresponding to each row of the pixel sets is provided with a first alignment area and a second alignment area with opposite alignment directions, and the alignment directions of the first alignment area and the second alignment area are parallel to the row direction of the pixel sets; the first alignment film corresponding to each column of the pixel set is provided with a third alignment area and a fourth alignment area with opposite alignment directions, and the third alignment area and the fourth alignment area are opposite to different pixel areas; the alignment direction of the first alignment region is perpendicular to the alignment direction of the third alignment region.
The liquid crystal display panel described above, wherein the array substrate further has a pixel electrode located in the pixel region.
The liquid crystal display panel as described above, wherein the pixel electrode corresponding to the first region is provided with a plurality of first cutouts extending in an alignment direction parallel to the liquid crystal layer in the first region, and the plurality of first cutouts are arranged in parallel and at intervals in a direction perpendicular to the extending direction of the first cutouts; and a plurality of second cuts are arranged on the pixel electrode corresponding to the second region, the second cuts extend along an alignment direction parallel to the liquid crystal layer in the second region, and the second cuts are arranged in parallel and at intervals along an extension direction perpendicular to the second cuts.
The liquid crystal display panel as described above, wherein a plurality of third cutouts are provided on the pixel electrode corresponding to the third region, the third cutouts extend in a direction parallel to the alignment direction of the liquid crystal layer in the third region, and the plurality of third cutouts are provided in parallel and at intervals in a direction perpendicular to the direction in which the third cutouts extend; and a plurality of fourth cuts are arranged on the pixel electrode corresponding to the fourth region, the fourth cuts extend along an alignment direction parallel to the liquid crystal layer in the fourth region, and the fourth cuts are arranged in parallel and at intervals along an extension direction perpendicular to the fourth cuts.
The liquid crystal display panel as described above, wherein the widths of the first cutout, the second cutout, the third cutout, and the fourth cutout in the direction perpendicular to the self-extending direction are 1 μm to 3 μm.
The liquid crystal display panel described above, wherein the first conductive line is a data line, and the second conductive line is a scan line.
The embodiment of the invention also provides a display device which comprises the liquid crystal display panel.
According to the liquid crystal display panel and the display device provided by the embodiment of the invention, the liquid crystal layer is arranged between the array substrate and the color film substrate, a plurality of parallel and spaced first wires and a plurality of parallel and spaced second wires are arranged on the array substrate, the first wires and the second wires are vertical, and each first wire and each second wire are surrounded into a plurality of pixel areas arranged in an array; in the pixel areas of the same row, the alignment directions of the liquid crystal layers corresponding to the adjacent pixel areas are different; when the display is performed, the liquid crystal layer between the adjacent pixel areas forms dark lines, the projection of the dark lines on the array substrate is overlapped with the first wires or the second wires, the dark line area in the pixel areas is reduced, and the light transmittance of the pixel areas is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a liquid crystal display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an array substrate in a liquid crystal display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a color film substrate in a liquid crystal display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pixel electrode in a liquid crystal display panel according to an embodiment of the present invention;
FIG. 5 is a diagram showing the relationship between the pixel electrode and the alignment direction of the liquid crystal layer in the liquid crystal display panel according to the embodiment of the present invention;
FIG. 6 is a schematic diagram of a liquid crystal display panel according to an embodiment of the present invention;
FIG. 7 is a diagram showing alignment relationship of liquid crystal layers of different pixel sets in a liquid crystal display panel according to an embodiment of the present invention;
FIG. 8 is a graph showing transmittance of the LCD panel at different voltages according to an embodiment of the present invention.
Reference numerals illustrate:
10: a first wire;
20: a second wire;
30: a pixel region;
40: an array substrate;
50: a color film substrate;
60: dark lines;
100: a first direction;
200: a second direction;
300: a third direction;
301: a first region;
302: a second region;
303: a third region;
304: a fourth region;
400: a fourth direction;
401: a first alignment region;
402: a second alignment region;
501: a third alignment region;
502: a fourth alignment region;
601: a first conductive line;
602: a first incision;
603: a second conductive line;
604: a second incision;
605: a third conductive line;
606: a third incision;
607: a fourth conductive line;
608: and a fourth incision.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the related art, a liquid crystal display panel includes an array substrate and a color film substrate arranged opposite to each other, and a liquid crystal layer between the array substrate and the color film substrate; the array substrate is provided with a plurality of data lines and a plurality of scanning lines, the data lines are arranged in parallel and at intervals, the scanning lines are arranged in parallel and at intervals, and the data lines and the scanning lines are arranged vertically; the two adjacent data lines and the two adjacent scanning lines are enclosed to form a pixel area, the pixel area is rectangular, and a pixel electrode is arranged in the pixel area; the color film substrate is provided with a public electrode layer, and an electric field is formed between the public electrode layer and the pixel electrode during operation, so that liquid crystal molecules of the liquid crystal layer in the pixel area are deflected, and further image display is realized.
The pixel area is internally provided with a first area, a second area, a third area and a fourth area which are sequentially arranged around the center of the pixel area, the alignment directions of the liquid crystal layers of the first area, the second area, the third area and the fourth area are different, the alignment directions of the liquid crystal layers of the first area and the third area are opposite, the alignment directions of the liquid crystal layers of the second area and the fourth area are opposite, the alignment directions of the liquid crystal layers of the first area and the second area are vertical, and the alignment directions of the liquid crystal layers of the first area, the second area, the third area and the fourth area are sequentially arranged around the center of the pixel area. Due to the different alignment directions of the liquid crystal layers between the adjacent areas, dark lines are formed between the adjacent areas during display, so that the dark lines are formed in the pixel area in a substantially 'swaying' shape, and the light transmittance of the pixel area is reduced
The embodiment of the invention provides a liquid crystal display panel, which is characterized in that the alignment directions of liquid crystal layers corresponding to adjacent pixel areas are different, so that dark fringes formed by the adjacent pixel areas are overlapped with data lines or scanning lines during display, and the dark fringes are moved out of the pixel areas, so that the light transmittance of the pixel areas is improved.
Referring to fig. 1-3, the liquid crystal display panel provided in the present embodiment includes an array substrate 40 and a color film substrate 50 disposed opposite to each other, and a liquid crystal layer disposed between the array substrate 40 and the color film substrate 50. The array base is provided with a plurality of first wires 10 and a plurality of second wires 20, the plurality of first wires 10 are arranged in parallel and at intervals, the plurality of second wires 20 are arranged in parallel and at intervals, and the first wires 10 are perpendicular to the second wires 20; a plurality of pixel areas 30 arranged in an array are surrounded by each first wire 10 and each second wire 20; wherein the row direction of the pixel regions 30 may be disposed in parallel with the first conductive lines 10.
Illustratively, the first conductive lines 10 may be data lines on the array substrate 40, the corresponding second conductive lines 20 may be scan lines on the array substrate 40, or the first conductive lines 10 may be scan lines on the array substrate 40, and the corresponding second conductive lines 20 may be data lines on the array substrate 40. Of course, the first conductive line 10 and the second conductive line 20 may be other conductive lines disposed on the array substrate 40, and the first conductive line 10 and the second conductive line 20 are not limited in this embodiment.
In this embodiment, the array substrate 40 is provided with a plurality of pixel electrodes, and each pixel electrode is disposed in one pixel area 30. The array substrate 40 further has a plurality of thin film transistors disposed therein, and each of the thin film transistors is electrically connected to one of the pixel electrodes to control the pixel electrodes to be charged. The color film substrate 50 is provided with a common electrode layer, and the thin film transistor controls the pixel electrode connected with the thin film transistor to be charged during display, so that an electric field is formed between the pixel electrode and the common electrode layer to drive liquid crystal molecules in the pixel region 30 where the pixel electrode is positioned to deflect, and then control light rays to pass through the liquid crystal layer, so that image display is realized.
In this embodiment, in the same row of pixel regions 30, the alignment directions of the liquid crystal layers corresponding to two adjacent pixel regions 30 are different, so that dark lines are formed between the liquid crystal layers corresponding to the adjacent pixel regions 30 when displaying, and the projection of the dark lines on the array substrate 40 covers the first conductive line 10 or the second conductive line 20, so as to reduce the dark line area formed in the pixel regions 30, and improve the light transmittance of the pixel regions 30.
For example, in two adjacent pixels, an alignment direction of the liquid crystal layer corresponding to one pixel region 30 may be parallel to the first conductive line 10, and an alignment direction of the liquid crystal layer corresponding to the other pixel region 30 may be parallel to the second conductive line 20. Of course, in the two adjacent pixel regions 30, the alignment direction of the liquid crystal layer corresponding to one pixel region 30 may have a first included angle with the first conductive line 10, and the alignment direction of the liquid crystal layer corresponding to the other pixel region 30 may have a second included angle with the first conductive line 10, where the first included angle is different from the second included angle.
In the liquid crystal display panel provided in this embodiment, the liquid crystal layer is disposed between the array substrate 40 and the color film substrate 50, the array substrate 40 is provided with a plurality of parallel and spaced first conductive lines 10 and a plurality of parallel and spaced second conductive lines 20, the first conductive lines 10 and the second conductive lines 20 are perpendicular, and each first conductive line 10 and each second conductive line 20 enclose a plurality of pixel areas 30 disposed in an array; in the same row of pixel regions 30, the alignment directions of the liquid crystal layers corresponding to adjacent pixel regions 30 are different; so that the liquid crystal layer between adjacent pixel regions 30 forms dark lines when displaying, and the projection of the dark lines on the array substrate 40 coincides with the first conductive line 10 or the second conductive line 20; compared with the formation of the swastika-shaped dark fringes in the pixel region 30, the dark fringe area in the pixel region 30 can be reduced, and the light transmittance of the pixel region 30 can be further improved.
In addition, since the light transmittance of the pixel region 30 is improved, the pixel region 30 can be reduced in area while the pixel region 30 has sufficient light transmittance, so as to improve the number of the pixel regions 30 in a unit area, thereby improving the pixel density of the liquid crystal display panel.
Referring to fig. 1 and fig. 4-7, in the lcd panel provided in this embodiment, the same row of pixel regions 30 form a row of pixel sets, each pixel set includes two pixel regions 30, and the row direction of the pixel set is parallel to the first conductive line 10. That is, the same row of pixel regions 30 constitutes a plurality of pixel sets arranged in a direction parallel to the first conductive lines 10, the number of pixel sets being half the number of pixel regions 30.
Further, one pixel area 30 in the same pixel set has a first area 301 and a second area 302, and the other pixel area 30 in the same pixel set has a third area 303 and a fourth area 304, where the first area 301, the second area 302, the third area 303 and the fourth area 304 are disposed around the midpoint of the second conductive line 20 in the middle position in the pixel set; the first region 301 and the fourth region 304 are located on the same straight line parallel to the first conductive line 10, and the second region 302 and the third region 303 are located on the same straight line parallel to the first conductive line 10; the alignment directions of the liquid crystal layers corresponding to the first region 301 and the third region 303 are opposite, the alignment directions of the liquid crystal layers corresponding to the second region 302 and the fourth region 304 are opposite, and the alignment directions of the liquid crystal layers corresponding to the first region 301 and the second region 302 are vertical; the alignment directions of the liquid crystal layers of the first region 301, the second region 302, the third region 303, and the fourth region 304 are sequentially arranged around the midpoint.
So set up, the alignment direction of the liquid crystal layer that each pixel district 10 corresponds is different, can all clear observation liquid crystal display panel's image in different angles, and then improves liquid crystal display panel's display effect.
5-7, the alignment direction of the corresponding liquid crystal layer in the first region 301 is the first direction 100, the alignment direction of the corresponding liquid crystal layer in the second region 302 is the second direction 200, the alignment direction of the corresponding liquid crystal layer in the third region 303 is the third direction 300, the alignment direction of the corresponding liquid crystal layer in the fourth region 304 is the fourth direction 400, and the first direction 100, the second direction 200, the third direction 300, the fourth direction 400 are sequentially arranged around the midpoint of the second conductive line 20 in the pixel set and located at the middle position. The dark fringes 60 formed in the pixel set are in the shape of swastika, and the projection of a part of the dark fringes 60 on the array substrate 40 coincides with the second conductive line 20, so that the area of the dark fringes 60 in each pixel area 30 is reduced, and the light transmittance of the liquid crystal display panel is improved.
As shown in fig. 8, the curve a is a light transmittance curve of the liquid crystal display panel in the related art, and the curve B is a light transmittance curve of the liquid crystal display panel in the above implementation manner. At the same voltage, the transmittance of the liquid crystal display panel in the above implementation is higher than that of the liquid crystal display panel in the related art.
Further, the color film substrate 50 has a plurality of filtering areas, and each filtering area is disposed opposite to one pixel area 30; within the same pixel set, the light allowed to pass through the corresponding filter regions of the two pixel regions 30 are different in color. Taking the orientation shown in fig. 1 as an example, in one row of pixel areas 30, only red light is allowed to pass through a filter area corresponding to one pixel area 30 in the first pixel set 50 from left to right, and only green light is allowed to pass through a filter area corresponding to the other pixel area 30; the filter area corresponding to one pixel area 30 in the second pixel set 50 allows only blue light to pass through, and the filter area corresponding to the other pixel area 30 allows only red light to pass through. Of course, the present embodiment is not limited thereto, as long as the color of the light allowed to pass through the filter regions corresponding to the two pixel regions 30 in the same pixel set 50 is different. By the arrangement, the light transmittance of the two pixel areas 30 in the same pixel set 50 can be improved, and the display effect can be further improved.
Referring to fig. 1-3, in some implementations, a first alignment film is disposed between the array substrate 40 and the liquid crystal layer, and a second alignment film is disposed between the color film substrate 50 and the liquid crystal layer; the first alignment film corresponding to each row of pixel sets is provided with a first alignment area 401 and a second alignment area 402 with opposite alignment directions, and the alignment directions of the first alignment area 401 and the second alignment area 402 are parallel to the row direction of the pixel sets; the second alignment film corresponding to each column of pixel sets is provided with a third alignment area 501 and a fourth alignment area 502 with opposite alignment directions, and the third alignment area 501 and the fourth alignment area 502 are opposite to the different pixel areas 30; the alignment direction of the first alignment region 401 is perpendicular to the alignment direction of the third alignment region 501.
The alignment of liquid crystal molecules in the liquid crystal layer is realized through the first alignment film and the second alignment film, and the structure is simple and the manufacturing is convenient.
In other implementations, a first alignment film is disposed between the array substrate 40 and the liquid crystal layer, and a second alignment film is disposed between the color film substrate 50 and the liquid crystal layer; the second alignment film corresponding to each row of pixel sets is provided with a first alignment area 401 and a second alignment area 402 with opposite alignment directions, and the alignment directions of the first alignment area 401 and the second alignment area 402 are parallel to the row direction of the pixel sets; the first alignment film corresponding to each column of pixel sets is provided with a third alignment area 501 and a fourth alignment area 502 with opposite alignment directions, and the third alignment area 501 and the fourth alignment area 502 are opposite to different pixel areas 30; the alignment direction of the first alignment region 401 is perpendicular to the alignment direction of the third alignment region 501.
With continued reference to fig. 4 to 6, in the implementation manner of having the pixel electrodes located in the pixel regions 30 on the array substrate 40, a plurality of first cutouts 602 are disposed on the pixel electrodes corresponding to the first regions 301, the first cutouts 602 extend in a direction parallel to the alignment direction of the liquid crystal layer in the first regions 301, and the plurality of first cutouts 602 are disposed in parallel and spaced apart directions perpendicular to the extending direction of the first cutouts 602; the pixel electrode corresponding to the second region 302 is provided with a plurality of second cutouts 604, the second cutouts 604 extend in a direction parallel to the alignment direction of the liquid crystal layer in the second region 302, and the plurality of second cutouts 604 are arranged in parallel and at intervals perpendicular to the extending direction of the second cutouts 604.
So arranged, the pixel electrode in the first region 301 is separated by the first notch 602 into a plurality of parallel and spaced apart first conductive lines 601, and the same, the pixel electrode in the second region 302 is separated by the second notch 604 into a plurality of parallel and spaced apart second conductive lines 603; in display, the liquid crystal molecules corresponding to the first region 301 are concentrated to the first conductive line 601, the liquid crystal molecules corresponding to the second region 302 are concentrated to the second conductive line 603, and the liquid crystal molecules in the first region 301 and the second region 302 are distributed more uniformly and regularly, so that the display effect of the liquid crystal display panel is improved.
Further, a plurality of third cutouts 606 are provided on the pixel electrode corresponding to the third region 303, the third cutouts 606 extend in parallel to the alignment direction of the liquid crystal layer in the third region 303, and the plurality of third cutouts 606 are arranged in parallel and at intervals in a direction perpendicular to the extension direction of the third cutouts 606; a plurality of fourth cutouts 608 are disposed on the pixel electrode corresponding to the fourth region 304, the fourth cutouts 608 extend in a direction parallel to the alignment direction of the liquid crystal layer in the fourth region 304, and the plurality of fourth cutouts 608 are disposed in parallel and at intervals in a direction perpendicular to the extending direction of the fourth cutouts 608.
So arranged, the pixel electrode in the third region 303 is separated into a plurality of parallel and spaced apart third conductive lines 605 by a third cutout 606, and the same, the pixel electrode in the fourth region 304 is separated into a plurality of parallel and spaced apart fourth conductive lines 607 by a fourth cutout 608; in the display process, the liquid crystal molecules corresponding to the third region 303 are concentrated to the third conductive line 605, the liquid crystal molecules corresponding to the fourth region 304 are concentrated to the fourth conductive line 607, and the liquid crystal molecules in the third region 303 and the fourth region 304 are distributed more uniformly and regularly, so that the display effect of the liquid crystal display panel is further improved.
For example, the first conductive line 601, the second conductive line 603, the third conductive line 605 and the fourth conductive line 607 may have an included angle of 45 ° with the first conductive line 10, and the straight lines where the first conductive line 601, the second conductive line 603, the third conductive line 605 and the fourth conductive line 607 are located enclose a rectangle. In the above-described implementation, the widths of the first, second, third, and fourth cutouts 602, 604, 606, and 608 in the direction perpendicular to the self-extending direction may be 1 μm to 3 μm, and correspondingly, the widths of the first, second, third, and fourth conductive lines 601, 603, 605, and 607 in the direction perpendicular to the self-extending direction may be 2 μm to 4 μm. Illustratively, the widths of the first, second, third, and fourth cutouts 602, 604, 606, and 608 in the direction perpendicular to the self-extending direction may be 2 μm, and correspondingly, the widths of the first, second, third, and fourth conductive lines 601, 603, 605, and 607 in the direction perpendicular to the self-extending direction may be 3 μm.
With continued reference to fig. 1 to 8, the present embodiment further provides a display device including the liquid crystal display panel in the above embodiment. The display device can be a product or a component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, an electronic book, electronic paper, a smart watch, a notebook computer, a digital photo frame or a navigator.
In the display device provided in this embodiment, a liquid crystal layer in a liquid crystal display panel is disposed between an array substrate 40 and a color film substrate 50, and a plurality of parallel and spaced first conductive lines 10 and a plurality of parallel and spaced second conductive lines 20 are disposed on the array substrate 40, the first conductive lines 10 and the second conductive lines 20 are perpendicular, and each first conductive line 10 and each second conductive line 20 are surrounded to form a plurality of pixel areas 30 disposed in an array; in the same row of pixel regions 30, the alignment directions of the liquid crystal layers corresponding to adjacent pixel regions 30 are different; so that the liquid crystal layer between adjacent pixel regions 30 forms dark lines when displaying, and the projection of the dark lines on the array substrate 40 coincides with the first conductive line 10 or the second conductive line 20; compared with the formation of the swastika-shaped dark fringes in the pixel region 30, the dark fringe area in the pixel region 30 can be reduced, and the light transmittance of the pixel region 30 can be further improved.
In the present invention, unless explicitly stated otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as fixed connections, as removable connections, as integral forms, as mechanical connections, as electrical connections, or as communicable with each other; either directly or indirectly, through intermediaries, or both, in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (8)

1. A liquid crystal display panel, comprising: the liquid crystal display comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the array substrate and the color film substrate are oppositely arranged;
the array substrate is provided with a plurality of first wires which are arranged in parallel at intervals and a plurality of second wires which are arranged in parallel at intervals, wherein the first wires are perpendicular to the second wires, a pixel area is enclosed between two adjacent first wires and two adjacent second wires, the number of the pixel areas is multiple, and the arrangement of the pixel area arrays is multiple; in the same row, the alignment directions of the liquid crystal layers corresponding to the adjacent pixel areas are different;
the pixel areas in the same row form a row of pixel sets, each pixel set comprises two pixel areas, and the row direction of the pixel sets is parallel to the first conducting wire; one of the pixel regions within the same pixel set has a first region and a second region;
the array substrate is also provided with a pixel electrode positioned in the pixel area;
a plurality of first cuts are arranged on the pixel electrode corresponding to the first area, the first cuts extend along an alignment direction parallel to the liquid crystal layer in the first area, and the plurality of first cuts are arranged in parallel and at intervals along an extension direction perpendicular to the first cuts; and a plurality of second cuts are arranged on the pixel electrode corresponding to the second region, the second cuts extend along an alignment direction parallel to the liquid crystal layer in the second region, and the second cuts are arranged in parallel and at intervals along an extension direction perpendicular to the second cuts.
2. The liquid crystal display panel according to claim 1, wherein a third region and a fourth region are provided in the other pixel region in the pixel set, and the first region, the second region, the third region, and the fourth region are disposed around a midpoint of the second wire in the pixel set at an intermediate position; the first region and the fourth region are positioned on the same straight line parallel to the first wire; the alignment directions of the liquid crystal layers corresponding to the first region and the third region are opposite, the alignment directions of the liquid crystal layers corresponding to the second region and the fourth region are opposite, and the alignment directions of the liquid crystal layers corresponding to the first region and the second region are vertical; the alignment directions of the liquid crystal layers of the first region, the second region, the third region and the fourth region are sequentially arranged around the middle point.
3. The liquid crystal display panel according to claim 2, wherein the color filter substrate has a plurality of filter areas, each of the filter areas being disposed opposite to one of the pixel areas; and in the same pixel set, the light allowed to pass through by the filtering areas corresponding to the two pixel areas are different in color.
4. The liquid crystal display panel according to claim 2, wherein a first alignment film is provided between the array substrate and the liquid crystal layer, and a second alignment film is provided between the color film substrate and the liquid crystal layer; the first alignment film corresponding to each row of the pixel sets is provided with a first alignment area and a second alignment area with opposite alignment directions, and the alignment directions of the first alignment area and the second alignment area are parallel to the row direction of the pixel sets; the second alignment film corresponding to each column of the pixel set is provided with a third alignment area and a fourth alignment area with opposite alignment directions, and the third alignment area and the fourth alignment area are opposite to different pixel areas; the alignment direction of the first alignment region is perpendicular to the alignment direction of the third alignment region.
5. The liquid crystal display panel according to claim 2, wherein a first alignment film is provided between the array substrate and the liquid crystal layer, and a second alignment film is provided between the color film substrate and the liquid crystal layer; the second alignment film corresponding to each row of the pixel sets is provided with a first alignment area and a second alignment area with opposite alignment directions, and the alignment directions of the first alignment area and the second alignment area are parallel to the row direction of the pixel sets; the first alignment film corresponding to each column of the pixel set is provided with a third alignment area and a fourth alignment area with opposite alignment directions, and the third alignment area and the fourth alignment area are opposite to different pixel areas; the alignment direction of the first alignment region is perpendicular to the alignment direction of the third alignment region.
6. The liquid crystal display panel according to claim 2, wherein a plurality of third cutouts are provided on the pixel electrode corresponding to the third region, the third cutouts extend in a direction parallel to an alignment direction of the liquid crystal layer in the third region, and the plurality of third cutouts are provided in parallel and at intervals in a direction perpendicular to the direction in which the third cutouts extend; and a plurality of fourth cuts are arranged on the pixel electrode corresponding to the fourth region, the fourth cuts extend along an alignment direction parallel to the liquid crystal layer in the fourth region, and the fourth cuts are arranged in parallel and at intervals along an extension direction perpendicular to the fourth cuts.
7. The liquid crystal display panel according to claim 6, wherein the widths of the first cutout, the second cutout, the third cutout, and the fourth cutout in a direction perpendicular to the self-extending direction are 1 μm to 3 μm.
8. A display device comprising the liquid crystal display panel according to any one of claims 1 to 7.
CN202011000116.7A 2020-09-22 2020-09-22 Liquid crystal display panel and display device Active CN112034654B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101226308A (en) * 2007-06-08 2008-07-23 友达光电股份有限公司 Liquid crystal display panel, photo-electric device and manufacturing method thereof
CN102183859A (en) * 2011-05-18 2011-09-14 昆山龙腾光电有限公司 Liquid crystal display panel
CN102213869A (en) * 2011-05-04 2011-10-12 友达光电股份有限公司 Liquid crystal display panel
CN102495491A (en) * 2011-07-06 2012-06-13 友达光电股份有限公司 Liquid crystal display panel
CN110531548A (en) * 2019-07-31 2019-12-03 南京中电熊猫液晶显示科技有限公司 A kind of liquid crystal display panel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100546258B1 (en) * 2003-05-15 2006-01-26 엘지.필립스 엘시디 주식회사 Liquid crystal display panel of horizontal electronic field applying type
TWI321252B (en) * 2005-06-30 2010-03-01 Chunghwa Picture Tubes Ltd Liquid crystal display panel and pixel structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101226308A (en) * 2007-06-08 2008-07-23 友达光电股份有限公司 Liquid crystal display panel, photo-electric device and manufacturing method thereof
CN102213869A (en) * 2011-05-04 2011-10-12 友达光电股份有限公司 Liquid crystal display panel
CN102183859A (en) * 2011-05-18 2011-09-14 昆山龙腾光电有限公司 Liquid crystal display panel
CN102495491A (en) * 2011-07-06 2012-06-13 友达光电股份有限公司 Liquid crystal display panel
CN110531548A (en) * 2019-07-31 2019-12-03 南京中电熊猫液晶显示科技有限公司 A kind of liquid crystal display panel

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