CN111258131A - Liquid crystal display panel and display device - Google Patents
Liquid crystal display panel and display device Download PDFInfo
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- CN111258131A CN111258131A CN202010187654.5A CN202010187654A CN111258131A CN 111258131 A CN111258131 A CN 111258131A CN 202010187654 A CN202010187654 A CN 202010187654A CN 111258131 A CN111258131 A CN 111258131A
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
- G02F1/13629—Multilayer wirings
Abstract
The application provides a liquid crystal display panel and a display device, wherein a public electrode right below a data line is replaced by a DBS public electrode line, the width of the DBS public electrode line is larger than that of the data line, the DBS public electrode line is electrically connected with a public electrode in a color film substrate or inputs the same electrical number, the voltage difference of two sides of liquid crystal above the data line is ensured to be zero, the liquid crystal is always in a dark state, when the liquid crystal display panel is bent, the bending curvature and the deformation of the DBS common electrode wire and the data wire are close, the light leakage of the liquid crystal above the data wire is avoided, meanwhile, the pixel electrodes on both sides of the data line can extend into the gaps on both sides of the data line to increase the aperture ratio of the pixel unit, and the common electrode and the DBS common electrode wire in the array substrate are made of transparent conductive materials, so that the penetration rate of the pixel unit is increased, and the display quality of the liquid crystal display panel is improved.
Description
Technical Field
The application relates to the technical field of display, in particular to a liquid crystal display panel and a display device.
Background
Most of the existing liquid crystal display devices in the market are backlight liquid crystal displays, which include a liquid crystal display panel and a backlight module. The liquid crystal display panel has the working principle that liquid crystal molecules are filled between the array substrate and the color film substrate, and driving voltage is applied to the two substrates to control the rotation direction of the liquid crystal molecules so as to refract light rays of the backlight module to generate a picture.
With the development of technology, large-sized lcd tvs and curved-surface lcd tvs are becoming more popular in the market. When the flexible liquid crystal display panel is bent, the flexible liquid crystal display panel can be bent forwards along a central line, the offset of the array substrate and the color film substrate in a pair is different, and the light leakage is easier near the data lines due to the topography near the data lines. As shown in fig. 1, the liquid crystal display panel includes an array substrate 101, a liquid crystal layer 102, and a color film substrate 103, wherein a DBS common electrode line 1013 and a black matrix 1031 are disposed above a data line 1012 in a pixel boundary region 1011. When the flexible liquid crystal display panel is bent, the data lines 1012 are shifted to the left region 1012 or the right region 1013, and in order to prevent light leakage from both sides of the liquid crystal 1021 above the data lines 1012, the black matrix 1031 needs to be widened, which reduces the transmittance of the liquid crystal display panel and reduces the size of the display region.
Therefore, after the liquid crystal display panel in the prior art is bent flexibly, the array substrate and the color film substrate are easily dislocated, so that light leakage of liquid crystal above the data line is easily caused, and meanwhile, the problems of small pixel aperture ratio and small penetration rate exist, and improvement is needed.
Disclosure of Invention
The application provides a liquid crystal display panel and a display device, and can solve the problem that in the prior art, after a liquid crystal display panel is bent flexibly, an array substrate and a color film substrate are easy to misplace, so that liquid crystal above a data line is easy to leak light, and the pixel aperture opening rate and the penetration rate are small.
In order to solve the above problems, the technical solution provided by the present application is as follows:
the application provides an array substrate, which comprises an array substrate, a color film substrate and a liquid crystal layer, wherein the color film substrate is arranged opposite to the array substrate, and the liquid crystal layer is arranged between the array substrate and the color film substrate;
the array substrate comprises a first substrate, wherein a first metal layer is arranged on the first substrate, a gate insulating layer covering the first metal layer is arranged on the first metal layer: an active layer is arranged on the gate insulating layer, a second metal layer is arranged on the active layer, a planarization layer is arranged on the second metal layer, and a pixel electrode is arranged on the planarization layer; the first metal layer is provided with a scanning line, a grid electrode and a first common electrode, the second metal layer is provided with a data line, a source electrode and a drain electrode, and a DBS common electrode line is arranged below the data line in a contraposition mode;
the color film substrate comprises a second substrate, a color film layer arranged on the second substrate, and a second common electrode arranged on the color film layer; the DBS common electrode wire and the first common electrode are arranged in an insulating mode, and the DBS common electrode wire and the second common electrode are electrically connected or input with the same electrical signal.
According to a preferred embodiment of the present application, the materials of the first metal layer and the DBS common electrode line are both transparent conductive materials.
According to a preferred embodiment of the present application, the transparent conductive material includes indium tin oxide ITO, indium zinc oxide IZO, indium oxide In2O3, tin oxide SnO2, zinc oxide ZnO, cadmium oxide CdO, or aluminum-doped zinc oxide AZO.
According to a preferred embodiment of the present application, the width of the DBS common electrode line is greater than the width of the data line.
According to a preferred embodiment of the present application, the DBS common electrode line and the first common electrode are disposed on the same layer, and the DBS common electrode line and the first common electrode are completed by the same process, and are etched by exposure and development.
According to a preferred embodiment of the present application, a capacitor is formed between the first common electrode and the pixel electrode.
According to a preferred embodiment of the present application, the plurality of scan lines and the plurality of data lines define a plurality of pixel units, each of the pixel units includes two thin film transistors;
for the data line and the scanning line which are adjacent and crossed in an insulating mode, the data line is simultaneously electrically connected with the source electrodes of the two thin film transistors, and the scanning line is simultaneously electrically connected with the grid electrodes of the two thin film transistors.
According to a preferred embodiment of the present application, when the pixel unit adopts a single domain mode, the pixel unit is a rectangular area, and a long side of the rectangular area is parallel to the scan line.
According to a preferred embodiment of the present application, the pixel unit adopts a multi-domain mode, the pixel unit is a field-shaped region, and a long side of the field-shaped region is parallel to the data line.
According to an object of the present application, the present application further provides a display device, which includes the above-mentioned liquid crystal display panel and a backlight module located at the back of the liquid crystal display panel.
The beneficial effect of this application: the application provides a liquid crystal display panel and a display device, wherein a public electrode right below a data line is replaced by a DBS public electrode line, the width of the DBS public electrode line is larger than that of the data line, the DBS public electrode line is electrically connected with a public electrode in a color film substrate or inputs the same electrical number, the voltage difference of two sides of liquid crystal above the data line is ensured to be zero, the liquid crystal is always in a dark state, when the liquid crystal display panel is bent, the bending curvature and the deformation of the DBS common electrode wire and the data wire are close, the light leakage of the liquid crystal above the data wire is avoided, meanwhile, the pixel electrodes on both sides of the data line can extend into the gaps on both sides of the data line to increase the aperture ratio of the pixel unit, and the common electrode and the DBS common electrode wire in the array substrate are made of transparent conductive materials, so that the penetration rate of the pixel unit is increased, and the display quality of the liquid crystal display panel is improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an array substrate in the prior art;
fig. 2 is a schematic top view of an array substrate according to an embodiment of the present disclosure;
fig. 3 is a schematic cross-sectional view of an array substrate a-a according to an embodiment of the present disclosure.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments that can be implemented by the application. Directional phrases used in this application, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., refer only to the directions of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and understanding, and is in no way limiting. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
The liquid crystal display panel comprises a liquid crystal display panel body, wherein the liquid crystal display panel body is provided with a plurality of liquid crystal display panels, the liquid crystal display panels are arranged on the liquid crystal display panels, and the liquid crystal display panels are arranged on the liquid crystal display panels.
As shown in fig. 2, the present embodiment provides a liquid crystal display panel 200, wherein a plurality of scan lines and a plurality of data lines define a plurality of pixel units, each pixel unit includes two thin film transistors; for the adjacent insulated and crossed data lines and scanning lines, the data lines are simultaneously and electrically connected with the source electrodes of the two thin film transistors, and the scanning lines are simultaneously and electrically connected with the grid electrodes of the two thin film transistors.
In this embodiment, the data line and the scan line are crossed in an insulated manner to form a pixel unit 201, a pixel unit 202, a pixel unit 203, and a pixel unit 204, and the internal structure of each pixel unit is similar, and the inventor uses the pixel unit 201 to explain the invention. The pixel unit 201 includes a display region 2011 and a non-display region, the non-display region includes a first tft 2013 and a second tft 2014, a source of the first tft 2013 and a source of the second tft 2014 are electrically connected to the data line 2017 through the conductive member 20132, a gate of the first tft 2013 is electrically connected to the scan line 2019 through the conductive member 20131, and a gate of the second tft 2014 is electrically connected to the scan line 2019 through the conductive member 2011. A pixel electrode 2012 is disposed in the display area 2011, one end of the pixel electrode 2012 is electrically connected to a signal line 2016, and the signal line 2016 is electrically connected to the drain of the first tft 2013 and the drain of the second tft 2014 through a via 2015. In this embodiment, the display area 2011 is in a multi-domain mode, the display area 2011 is divided into four sub-pixel partitions, the four sub-pixel partitions are arranged in a shape of a Chinese character 'tian', and the long edge of the Chinese character 'tian' shaped area is parallel to the data line. The display area 2011 may have other shapes, and when the display area 2011 adopts the single domain mode, the display area 2011 is a rectangular area, and a long side of the rectangular area is parallel to the scan line.
With the development of display technology, large-sized liquid crystal display panels are becoming more and more popular in the market. When the flexible liquid crystal display panel 200 is bent, the flexible liquid crystal display panel is bent forward along the central line, the offset of the array substrate and the color film substrate in the pair is different, and the topography near the data line is added, so that light leakage is easier near the data line. In order to solve the problem, the inventor replaces the common electrode below the data line with a DBS common electrode line, when the display device is bent, the DBS common electrode line always covers the data line, and the voltage values of the DBS common electrode line and the common electrode in the color film substrate are equal, so that the voltage difference between two sides of liquid crystal above the data line is zero, the liquid crystal above the data line is in a dark state, light leakage at two sides of the data line is avoided, meanwhile, the pixel electrode can extend to a gap of the data line, the aperture ratio of a pixel unit is increased, secondly, the common electrode and the DBS common electrode line in the array substrate are made of transparent conductive materials, the penetration ratio of the pixel unit is increased, and the display quality of the liquid crystal display panel 200 is improved.
Fig. 3 is a schematic cross-sectional view of a-a in fig. 2, and as shown in fig. 3, the liquid crystal display panel 200 includes an array substrate 301, a color filter substrate 402 disposed opposite to the array substrate 301, and a liquid crystal layer 401 disposed between the array substrate 301 and the color filter substrate 402.
The array substrate 301 includes a first substrate 303, a first metal layer 304 is disposed on the first substrate 303, a gate insulating layer 305 covering the first metal layer 304 is disposed on the first metal layer 304: an active layer 306 is disposed on the gate insulating layer 305, a second metal layer 307 is disposed on the active layer 306, a planarization layer 308 is disposed on the second metal layer 307, and a pixel electrode 309 is disposed on the planarization layer 308; the first metal layer 304 is formed with a scan line 3042, a gate (not shown), a first common electrode 3041, the second metal layer 307 is formed with a data line 3071, a source 3072, and a drain 3073, and a DBS common electrode line 3043 is disposed below the data line. The first common electrode 3041 includes a first sub-common electrode 30411 and a second sub-common electrode 30412, the planarization layer 308 includes a first planarization layer 3081 and a first planarization layer 3082, the DBS common electrode line 3043 is insulated from the first common electrode 3041, and a capacitor is formed between the first common electrode 3041 and the pixel electrode 309. When the DBS common electrode line 3043 and the first common electrode 3041 are disposed on the same layer, the DBS common electrode line 3043 and the first common electrode 3041 are formed in the same process, and are etched by exposure and development. In order to avoid light leakage of the liquid crystal above the data line 3071, the width of the DBS common electrode line 3043 is greater than that of the data line 3071, and the materials of the first metal layer 304, the pixel electrode 309, and the DBS common electrode line 3043 are all transparent conductive materials, wherein the transparent conductive materials include indium tin oxide ITO, indium zinc oxide IZO, indium oxide In2O3, tin oxide SnO2, zinc oxide ZnO, cadmium oxide CdO, or aluminum-doped zinc oxide AZO, which increases the transmittance of the pixel unit.
The color film substrate 402 includes a second substrate 405, a color film layer 404 disposed on the second substrate 405, and a second common electrode 4041 disposed on the surface of the color film layer 404, the color film layer 404 is a color resist layer, a light-shielding layer 4041 is disposed in the color film layer 404, the light-shielding layer 4041 is preferably made of a black resin layer or a black matrix, and the black resin layer or the black matrix is exposed and developed through a light-shielding mask plate. The second common electrode 403 is typically a transparent conductive film of indium tin oxide, typically 20nm to 40nm thick, deposited by sputtering.
The liquid crystal layer 401 is located between the array substrate 301 and the color film substrate 402 and comprises a rubber frame, a liquid crystal 4011 and a spacer, and the rubber frame enables glass on two sides of the liquid crystal 4011 to be tightly adhered; the liquid crystal 4011 is generally elliptical and is connected in series along the long axis direction, the liquid crystal 4011 in each row is a liquid crystal domain, any two adjacent liquid crystal domains are independent from each other, the boundary between any two adjacent liquid crystal domains is a continuously changing region, the deflection angle of the liquid crystal 4011 is determined by the magnitude of an electric field between the second common electrode layer 403 and the pixel electrode layer 309 which are positioned at two sides of the liquid crystal layer 401, in addition, the deflection angle of the liquid crystal above the data line 3071 is determined by the magnitude of an electric field between the second common electrode layer 403 and the DBS common electrode line 3043, that is, the deflection angle of the liquid crystal in the pixel boundary area 3021 is determined by the magnitude of an electric field between the second common electrode layer 403 and the DBS common electrode line 3043.
Since the DBS common electrode line 3043 is electrically connected to the second common electrode 403 or the same electrical signal is input, that is, the voltage difference between the second common electrode layer 403 and the DBS common electrode line 3043 is 0, the deflection angle of the liquid crystal in the pixel boundary area 3021 is in a non-deflection state, and the bending rate and the deformation amount of the data line 3071 and the DBS common electrode line 3043 are close, the liquid crystal above the data line 3071 is not light-tight all the time, and the pixel electrodes 309 on both sides of the boundary of the pixel boundary area 3021 can extend to the left gap 3022 and the right gap 3023 of the pixel boundary area 3021, so as to increase the aperture ratio of the pixel unit, for example, the aperture of the pixel unit in the present application is 93.6um, and the aperture of the conventional pixel unit is 90.2 um.
According to the liquid crystal display panel, the application also provides a display device, which comprises the liquid crystal display panel and a backlight module positioned at the back of the liquid crystal display panel. When the display device is bent, the voltage difference between two sides of the liquid crystal layer above the data line in the liquid crystal display panel is zero, and the light of the backlight module normally passes through two sides of the data line.
The beneficial effect of this application: the application provides a liquid crystal display panel and a display device, wherein a public electrode right below a data line is replaced by a DBS public electrode line, the width of the DBS public electrode line is larger than that of the data line, the DBS public electrode line is electrically connected with a public electrode in a color film substrate or inputs the same electrical number, the voltage difference of two sides of liquid crystal above the data line is ensured to be zero, the liquid crystal is always in a dark state, when the liquid crystal display panel is bent, the bending curvature and the deformation of the DBS common electrode wire and the data wire are close, the light leakage of the liquid crystal above the data wire is avoided, meanwhile, the pixel electrodes on both sides of the data line can extend into the gaps on both sides of the data line to increase the aperture ratio of the pixel unit, and the common electrode and the DBS common electrode wire in the array substrate are made of transparent conductive materials, so that the penetration rate of the pixel unit is increased, and the display quality of the liquid crystal display panel is improved.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the scope of the appended claims.
Claims (10)
1. The liquid crystal display panel is characterized by comprising an array substrate, a color film substrate arranged opposite to the array substrate, and a liquid crystal layer arranged between the array substrate and the color film substrate;
the array substrate comprises a first substrate, wherein a first metal layer is arranged on the first substrate, a gate insulating layer covering the first metal layer is arranged on the first metal layer: an active layer is arranged on the gate insulating layer, a second metal layer is arranged on the active layer, a planarization layer is arranged on the second metal layer, and a pixel electrode is arranged on the planarization layer; the first metal layer is provided with a scanning line, a grid electrode and a first common electrode, the second metal layer is provided with a data line, a source electrode and a drain electrode, and a DBS common electrode line is arranged below the data line in a contraposition mode;
the color film substrate comprises a second substrate, a color film layer arranged on the second substrate, and a second common electrode arranged on the color film layer; the DBS common electrode wire and the first common electrode are arranged in an insulating mode, and the DBS common electrode wire and the second common electrode are electrically connected or input with the same electrical signal.
2. The lcd panel of claim 1, wherein the materials of the first metal layer and the DBS common electrode lines are transparent conductive materials.
3. The liquid crystal display panel according to claim 2, wherein the transparent conductive material comprises indium tin oxide ITO, indium zinc oxide IZO, indium oxide In2O3, tin oxide SnO2, zinc oxide ZnO, cadmium oxide CdO, or aluminum-doped zinc oxide AZO.
4. The liquid crystal display panel of claim 1, wherein the width of the DBS common electrode line is greater than the width of the data line.
5. The lcd panel of claim 1, wherein the DBS common electrode line and the first common electrode are disposed on the same layer, and the DBS common electrode line and the first common electrode are formed by the same process, and are etched by exposure and development.
6. The liquid crystal display panel according to claim 1, wherein a capacitance is formed between the first common electrode and the pixel electrode.
7. The liquid crystal display panel according to claim 1, wherein a plurality of the scan lines and a plurality of the data lines define a plurality of pixel units, each of the pixel units including two thin film transistors;
for the data line and the scanning line which are adjacent and crossed in an insulating mode, the data line is simultaneously electrically connected with the source electrodes of the two thin film transistors, and the scanning line is simultaneously electrically connected with the grid electrodes of the two thin film transistors.
8. The liquid crystal display panel according to claim 7, wherein when the pixel unit adopts a single domain mode, the pixel unit is a rectangular area, and a long side of the rectangular area is parallel to the scan line.
9. The liquid crystal display panel according to claim 7, wherein the pixel unit adopts a multi-domain mode, the pixel unit is a field-shaped region, and a long side of the field-shaped region is parallel to the data line.
10. A display device, comprising the liquid crystal display panel according to any one of claims 1 to 9, and a backlight module disposed at a back of the liquid crystal display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187654.5A CN111258131A (en) | 2020-03-17 | 2020-03-17 | Liquid crystal display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187654.5A CN111258131A (en) | 2020-03-17 | 2020-03-17 | Liquid crystal display panel and display device |
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| CN111258131A true CN111258131A (en) | 2020-06-09 |
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| CN202010187654.5A Pending CN111258131A (en) | 2020-03-17 | 2020-03-17 | Liquid crystal display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050330A (en) * | 2021-03-26 | 2021-06-29 | Tcl华星光电技术有限公司 | Liquid crystal display panel and alignment method thereof |
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| CN113050330A (en) * | 2021-03-26 | 2021-06-29 | Tcl华星光电技术有限公司 | Liquid crystal display panel and alignment method thereof |
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