CN111338143A - Liquid crystal display panel - Google Patents

Liquid crystal display panel Download PDF

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Publication number
CN111338143A
CN111338143A CN202010289523.8A CN202010289523A CN111338143A CN 111338143 A CN111338143 A CN 111338143A CN 202010289523 A CN202010289523 A CN 202010289523A CN 111338143 A CN111338143 A CN 111338143A
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China
Prior art keywords
substrate
layer
liquid crystal
display panel
crystal display
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Granted
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CN202010289523.8A
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Chinese (zh)
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CN111338143B (en
Inventor
赵赫
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TCL China Star Optoelectronics Technology Co Ltd
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TCL China Star Optoelectronics Technology Co Ltd
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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
    • 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
    • G02F1/133345—Insulating layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13396—Spacers having different sizes
    • 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
    • G02F1/136222—Colour filters incorporated in the active matrix substrate

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

The application provides a liquid crystal display panel include first base plate, with the relative second base plate that sets up of first base plate, set up in first base plate with clearance filling layer and backlight unit between the second base plate, through in the non-display area set up the colour drag layer on the second base plate, make liquid crystal display panel's marginal region and middle zone all have the same breathing state in the cold and hot environment of difference, prevent the inconsistent condition of marginal region and middle zone thickness, eliminate the light and shade stripe that consequently leads to, compare in prior art, improved display panel's picture quality.

Description

Liquid crystal display panel
Technical Field
The application relates to the technical field of display, in particular to a liquid crystal display panel.
Background
Thin film transistor liquid crystal displays (TFT-LCDs) are one of the most widely used display devices at present. With the development of thin film transistor liquid crystal display technology, the requirements for the picture quality of the display are increasing. The liquid crystal display comprises two oppositely arranged substrates and liquid crystal filled between the substrates, and sealant is arranged outside the liquid crystal layer to seal the liquid crystal and adhere the two substrates. The production part needs to ensure that the sealant area and the liquid crystal area have the same thickness, but in the use process, due to the temperature change of the use environment, the sealant area and the liquid crystal area can generate different expansion and contraction changes, so that the thicknesses of the edge area and the middle area of the liquid crystal display are inconsistent, and finally, the light and shade stripes are generated on the edge of the display, thereby seriously affecting the display effect.
Disclosure of Invention
In order to solve the defects in the prior art, the structure of the existing liquid crystal display panel is improved, and the color resistance structure is added in the sealing glue area of the display panel, so that the sealing glue area and the liquid crystal area have the same expansion and contraction properties, and light and shade stripes are eliminated.
The application provides a liquid crystal display panel, divide into display area and non-display area, the non-display area set up in the periphery in display area, liquid crystal display panel's lamellar structure includes:
a first substrate including a first substrate base;
the second substrate is arranged opposite to the first substrate, a gap is reserved between the first substrate and the second substrate, the second substrate comprises a second substrate base plate, a thin film transistor layer arranged on the second substrate base plate and a color resistance layer arranged on the thin film transistor layer, and the thin film transistor layer and the color resistance layer are distributed in the display area and the non-display area;
the gap filling layer is arranged in the gap between the first substrate and the second substrate and comprises a liquid crystal layer corresponding to the display area and a sealing glue layer corresponding to the non-display area;
and the backlight module is arranged on one side of the second substrate far away from the first substrate and used for providing a light source for the liquid crystal display panel.
According to an embodiment of the present application, the color resistance layer corresponding to the display area at least includes a red color set, a green color resistance and a blue color resistance arranged in an array.
According to an embodiment of the present application, the color resistance layer corresponding to the non-display area is a blue color resistance.
According to an embodiment of the present application, the color resist layer corresponding to the non-display area is a green resist.
According to an embodiment of the present application, the color resistance layer corresponding to the non-display area is a red color resistance.
According to an embodiment of the application, with the display area is corresponding still be provided with the spacer in the gap filling layer, the spacer includes main spacer and inferior spacer, main spacer directly support in first base plate with between the second base plate, inferior spacer set up in second base plate surface and directional first base plate, highly being less than of inferior spacer the height of main spacer.
According to an embodiment of the present application, a side of the first substrate facing the second substrate further includes a common electrode layer disposed on the first substrate; one side of the second substrate facing the first substrate further comprises a passivation layer arranged on the color resistance layer and a pixel electrode layer arranged on the passivation layer.
According to an embodiment of the present application, a photoresist layer is disposed on a side of the first substrate facing the second substrate, and the photoresist layer completely covers the non-display area.
According to an embodiment of the present application, the sealant layer includes a sealant and support particles dispersed in the sealant.
According to an embodiment of the present application, the support particles are at least one of silicon sphere particles and gold sphere particles.
The beneficial effect of this application is: the application provides a liquid crystal display panel includes first base plate, second base plate, clearance filling layer and backlight unit, through in the non-display area set up the colour resistance layer on the second base plate, make liquid crystal display panel's marginal region and middle zone all have the same breathing state in the cold and hot environment of difference, prevent the inconsistent condition of marginal region and middle zone thickness, eliminate consequently and the light and shade stripe that leads to, compare in prior art, improved display panel's picture quality.
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 application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic plan view of a liquid crystal display panel according to an embodiment of the present disclosure;
fig. 2 is a sectional view of the liquid crystal display panel shown in fig. 1 taken along a-a'.
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.
The embodiment of the application provides a liquid crystal display panel, which is used for solving the problem of light and dark stripes caused by inconsistent expansion and contraction states of an edge region and a middle region of the liquid crystal display panel in the prior art. The liquid crystal display panel that this application embodiment provided makes marginal zone and middle zone of liquid crystal display panel all have the same breathing state in the cold and hot environment of difference through extending the color resistance layer and set up in the non-display area of its edge, prevents the inconsistent condition of marginal zone and middle zone thickness, eliminates consequently and the light and shade stripe that leads to, compares in prior art, has improved display panel's picture quality.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic plan view of a liquid crystal display panel provided in an embodiment of the present application, and fig. 2 is a cross-sectional view of the liquid crystal display panel shown in fig. 1 along a-a'. The liquid crystal display panel may be divided into a display area a1 and a non-display area a2 according to whether the surface thereof has a functional division of a display screen. It should be understood that the display area a1, which is a main embodiment of the function of the liquid crystal display panel, is generally located in the middle area of the liquid crystal display panel, and the non-display area a2 is disposed in the peripheral area of the display area a1, regardless of the width, and the non-display area a2 is used to seal the side of the display area a1 and place circuit elements that can maintain the display function of the display area a1, so that the display area a1 and the non-display area a2 have different structural features inside.
Various functional elements inside the display area a1 are electrically connected to the printed circuit board PCB through the non-display area a2, and further connected to a control chip, a power supply module, a backlight module and the like through the printed circuit board PCB, so as to provide control signals, data signals, energy, light sources and the like required by the liquid crystal display panel to perform a display function.
The layered structure of the liquid crystal display panel comprises a first substrate 10, a second substrate 30 arranged opposite to the first substrate 10, a gap filling layer 20 arranged between the first substrate 10 and the second substrate 30, and a backlight module 40 arranged at the back side of the liquid crystal display panel.
The first substrate 10 includes a first substrate 11, and a photoresist layer 12 and a common electrode layer 13 disposed on the first substrate 11 and facing the second substrate 30. The first substrate 11 is made of a transparent material, and may be, for example, a glass substrate or a polyimide substrate; the photoresist layer 12 may be made of black opaque material, and is arranged in a matrix corresponding to the photoresist layer 12 in the display area a1, wherein openings are provided for light to pass through, and the photoresist layer 12 corresponding to the non-display area a2 completely covers the non-display area a2 to ensure that the non-display area a2 is in a completely opaque state; the common electrode layer 13 may be made of a transparent conductive material, such as indium tin oxide, and the common electrode layer 13 is used for providing a common electric field to maintain the directional deflection of the liquid crystal in the liquid crystal display panel together with the pixel electrode on the second substrate 30.
The second substrate 30 is disposed opposite to the first substrate 10 with a certain gap left therebetween. The second substrate 30 includes a second substrate 31, a thin-film transistor layer 32 disposed on the second substrate 31, and a color-resist layer 33 disposed on the thin-film transistor layer 32, and the thin-film transistor layer 32 and the color-resist layer 33 are distributed in the display area a1 and the non-display area a 2.
Alternatively, the second substrate 31 is made of a transparent material, and may be a glass substrate or a polyimide substrate, for example.
Optionally, a buffer layer (not shown) may be further disposed between the second substrate 31 and the thin-film transistor layer 32, and the buffer layer may be a polyimide layer to buffer stress between the second substrate 31 and the thin-film transistor layer 32.
Alternatively, the thin-film transistor layer 32 forms a plurality of thin-film transistors arranged in an array, and the layered structure of the thin-film transistor layer 32 may include a first metal layer 321 disposed on the second substrate 31, a first insulating layer 322 disposed on the second substrate 31 and covering the first metal layer 321, an active layer 323 disposed on the first insulating layer 322, a metal layer 324 disposed on the active layer 323, and a second insulating layer 325 disposed on the first insulating layer 322 and covering the active layer 323 and the second metal layer 324. The first metal layer 321 and the second metal layer 324 may be made of copper, and the first metal layer 321 forms a gate structure of the tft; the first insulating layer 322 and the second insulating layer 325 are made of an insulating ceramic material or an insulating organic material; the active layer 323 is made of a semiconductor material, for example, a metal oxide semiconductor material such as indium gallium zinc oxide; the second metal layer 324 includes source and drain electrodes disposed at opposite ends of the active layer 323, and the source and drain electrodes maintain ohmic contact with the active layer 323.
Optionally, the color-resist layer 33 includes two parts, one part of the color-resist layer 33 is located in the display area a1, and the other part of the color-resist layer 33 is located in the non-display area a 2. The color resistance layer 33 in the display area a1 at least includes a red group 331, a green group 332, and a blue group 333 arranged in an array, which correspond to the red pixel unit, the green pixel unit, and the blue pixel unit in the liquid crystal display panel, respectively, and the thin film transistors arranged in an array are arranged corresponding to the color resistances arranged in an array. The color resistance layer 33 in the non-display area a2 is a color resistance 334, where the color resistance 334 may be a color resistance made of the same material as the red set 331, a color resistance made of the same material as the green resistance 332, a color resistance made of the same material as the blue resistance 333, a mixture of any two or three of the red set 331, the green resistance 332, and the blue resistance 333, or a color resistance made of other materials with the same or similar thermal expansion properties as the red set 331, the green resistance 332, and the blue resistance 333. The color resists 334 may entirely cover the non-display area a2 or partially cover the non-display area a2 in a matrix form. It should be understood that, by providing the color resistor 334 structure in the non-display area a2, the non-display area a2 of the second substrate 30 and the display area a1 are consistent in structure, and when the temperature of the working environment of the liquid crystal display panel changes, the display area a1 and the non-display area a2 of the liquid crystal display panel are ensured to have the same or similar expansion amount or contraction amount, so that the occurrence of bright and dark stripes at the edges of the display panel is avoided.
Further, the side of the second substrate 30 facing the first substrate 10 further includes a passivation layer 34 disposed on the color resist layer 33, and a pixel electrode layer 35 disposed on the passivation layer 34, wherein the passivation layer 34 is made of an insulating ceramic material or an insulating organic material; the pixel electrode layer 35 includes a plurality of pixel electrodes arranged in an array, each of the pixel electrodes corresponds to a pixel unit in the liquid crystal display panel, and the pixel electrode layer 35 is electrically connected to the second metal layer 324 through a via hole passing through the passivation layer 34, the color resist layer 33 and the second insulating layer 325, and specifically, the pixel electrode layer 35 is electrically connected to a drain electrode of the thin film transistor. The pixel electrodes 35 are used to provide an electric field for controlling the deflection of the liquid crystal.
The gap filling layer 20 is disposed in the gap between the first substrate 10 and the second substrate 20, and includes a liquid crystal layer 21 corresponding to the display region a1 and a sealant layer 22 corresponding to the non-display region a 2. The liquid crystal layer 21 is filled with liquid crystal for controlling the deflection angle of light passing therethrough. The gap filling layer 20 corresponding to the display area a1 is further provided with a spacer, the spacer includes a main spacer 211 and a sub spacer 212, the main spacer 211 is directly supported between the first substrate 10 and the second substrate 30, the sub spacer 212 is disposed on the surface of the second substrate 30 and points to the first substrate 10, and the height of the sub spacer 212 is smaller than that of the main spacer 211, so that the main spacer 211 plays a main supporting role to limit the distance between the first substrate 10 and the second substrate 30, and the sub spacer 212 plays an auxiliary supporting role, and the sub spacer 212 may play a supporting role only when pressed by an external force.
The sealant layer 22 includes a sealant and support particles 221 dispersed in the sealant, and the support particles 221 may be hard particles such as silicon sphere particles or gold sphere particles. It should be understood that the sealant in the sealant layer 22 plays a main role of sealing, and separates the liquid crystal in the liquid crystal layer 21 from the outside to prevent the liquid crystal from overflowing; the support particles 221 serve to maintain a spacing between the first substrate 10 and the second substrate 30 in the non-display area a 2. It should be noted that, in the liquid crystal display panel provided in this embodiment, the second substrate 30 located in the non-display area a2 includes a color-resist layer with a certain thickness, and compared with the prior art, the distance between the first substrate 10 and the second substrate 30 in the non-display area a2 is smaller, so that the particle size of the supporting particles 221 for maintaining the distance between the first substrate 10 and the second substrate 30 can be smaller, which is beneficial to reducing the production cost.
The backlight module 40 is disposed on a side of the second substrate 30 away from the first substrate 10, and is used for providing a light source for the liquid crystal display panel.
To sum up, the liquid crystal display panel that this application embodiment provided includes first base plate, second base plate, clearance filling layer and backlight unit, through in the non-display area set up the colour resistor layer on the second base plate, make the marginal zone and the middle zone of liquid crystal display panel all have the same breathing state in the cold and hot environment of difference, prevent the inconsistent condition of marginal zone and middle zone thickness, eliminate consequently and the light and shade stripe that leads to, compare in prior art, have improved display panel's picture quality.
It should be noted that, although the present application has been described with reference to specific examples, the above-mentioned examples 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 limited by the appended claims.

Claims (10)

1. The liquid crystal display panel is characterized by being divided into a display area and a non-display area, wherein the non-display area is arranged on the periphery of the display area, and the laminated structure of the liquid crystal display panel comprises:
a first substrate including a first substrate base;
the second substrate is arranged opposite to the first substrate, a gap is reserved between the first substrate and the second substrate, the second substrate comprises a second substrate base plate, a thin film transistor layer arranged on the second substrate base plate and a color resistance layer arranged on the thin film transistor layer, and the thin film transistor layer and the color resistance layer are distributed in the display area and the non-display area;
the gap filling layer is arranged in the gap between the first substrate and the second substrate and comprises a liquid crystal layer corresponding to the display area and a sealing glue layer corresponding to the non-display area;
and the backlight module is arranged on one side of the second substrate far away from the first substrate and used for providing a light source for the liquid crystal display panel.
2. The liquid crystal display panel of claim 1, wherein the color resist layer corresponding to the display region comprises at least a red color set, a green color resist and a blue color resist arranged in an array.
3. The liquid crystal display panel according to claim 2, wherein the color resist layer corresponding to the non-display region is a blue resist.
4. The liquid crystal display panel according to claim 2, wherein the color resist layer corresponding to the non-display region is a green resist.
5. The liquid crystal display panel according to claim 2, wherein the color resist layer corresponding to the non-display region is a red resist.
6. The LCD panel of claim 1, wherein spacers are further disposed in the gap filling layer corresponding to the display area, and the spacers include a main spacer and a sub spacer, the main spacer is directly supported between the first substrate and the second substrate, the sub spacer is disposed on the surface of the second substrate and points to the first substrate, and the height of the sub spacer is smaller than that of the main spacer.
7. The liquid crystal display panel according to claim 1, wherein a side of the first substrate facing the second substrate further comprises a common electrode layer provided on the first substrate; one side of the second substrate facing the first substrate further comprises a passivation layer arranged on the color resistance layer and a pixel electrode layer arranged on the passivation layer.
8. The liquid crystal display panel according to claim 1, wherein a side of the first substrate facing the second substrate is provided with a photoresist layer, and the photoresist layer completely covers the non-display region.
9. The lcd panel of claim 1, wherein the sealant layer comprises a sealant and support particles dispersed in the sealant.
10. The liquid crystal display panel according to claim 9, wherein the support particles are at least one of silicon sphere particles and gold sphere particles.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114035362A (en) * 2021-11-15 2022-02-11 惠州华星光电显示有限公司 Liquid crystal display panel and display device
CN116013170A (en) * 2022-10-31 2023-04-25 友达光电股份有限公司 Electronic device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030058055A (en) * 2001-12-29 2003-07-07 엘지.필립스 엘시디 주식회사 Liquid Crystal Display devices and Method for Manufacturing using the same
JP2006350045A (en) * 2005-06-17 2006-12-28 Sony Corp Liquid crystal display element and projector
CN102043297A (en) * 2009-10-19 2011-05-04 三星电子株式会社 Display substrate, method for manufacturing the sane, and display device having the display substrate
CN108254977A (en) * 2018-01-29 2018-07-06 深圳市华星光电半导体显示技术有限公司 Liquid crystal cell
CN109188764A (en) * 2018-10-23 2019-01-11 深圳市华星光电技术有限公司 Liquid crystal display panel and preparation method thereof
CN109991789A (en) * 2019-04-09 2019-07-09 深圳市华星光电技术有限公司 Display panel and display panel preparation method
CN110082964A (en) * 2019-04-08 2019-08-02 深圳市华星光电技术有限公司 A kind of liquid crystal display panel and preparation method thereof and liquid crystal display device
CN110568671A (en) * 2019-08-14 2019-12-13 深圳市华星光电技术有限公司 liquid crystal display panel and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030058055A (en) * 2001-12-29 2003-07-07 엘지.필립스 엘시디 주식회사 Liquid Crystal Display devices and Method for Manufacturing using the same
JP2006350045A (en) * 2005-06-17 2006-12-28 Sony Corp Liquid crystal display element and projector
CN102043297A (en) * 2009-10-19 2011-05-04 三星电子株式会社 Display substrate, method for manufacturing the sane, and display device having the display substrate
CN108254977A (en) * 2018-01-29 2018-07-06 深圳市华星光电半导体显示技术有限公司 Liquid crystal cell
CN109188764A (en) * 2018-10-23 2019-01-11 深圳市华星光电技术有限公司 Liquid crystal display panel and preparation method thereof
CN110082964A (en) * 2019-04-08 2019-08-02 深圳市华星光电技术有限公司 A kind of liquid crystal display panel and preparation method thereof and liquid crystal display device
CN109991789A (en) * 2019-04-09 2019-07-09 深圳市华星光电技术有限公司 Display panel and display panel preparation method
CN110568671A (en) * 2019-08-14 2019-12-13 深圳市华星光电技术有限公司 liquid crystal display panel and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114035362A (en) * 2021-11-15 2022-02-11 惠州华星光电显示有限公司 Liquid crystal display panel and display device
WO2023082342A1 (en) * 2021-11-15 2023-05-19 惠州华星光电显示有限公司 Liquid crystal display panel and display device
CN114035362B (en) * 2021-11-15 2023-10-13 惠州华星光电显示有限公司 Liquid crystal display panel and display device
US20240012275A1 (en) * 2021-11-15 2024-01-11 Huizhou China Star Optoelectronics Display Co., Ltd. Liquid crystal display panel and display device
US12055807B2 (en) * 2021-11-15 2024-08-06 Huizhou China Star Optoelectronics Display Co., Ltd. Liquid crystal display panel and display device
CN116013170A (en) * 2022-10-31 2023-04-25 友达光电股份有限公司 Electronic device

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