WO2016192152A1 - 彩膜基板及具有该彩膜基板的曲面液晶显示面板 - Google Patents

彩膜基板及具有该彩膜基板的曲面液晶显示面板 Download PDF

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Publication number
WO2016192152A1
WO2016192152A1 PCT/CN2015/082267 CN2015082267W WO2016192152A1 WO 2016192152 A1 WO2016192152 A1 WO 2016192152A1 CN 2015082267 W CN2015082267 W CN 2015082267W WO 2016192152 A1 WO2016192152 A1 WO 2016192152A1
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Prior art keywords
color filter
substrate
filter substrate
enlarged portion
black matrix
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PCT/CN2015/082267
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English (en)
French (fr)
Inventor
彭海波
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武汉华星光电技术有限公司
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Priority to US14/777,520 priority Critical patent/US9664941B2/en
Publication of WO2016192152A1 publication Critical patent/WO2016192152A1/zh

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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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • 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
    • G02F1/136—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
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties

Definitions

  • the present invention relates to the field of liquid crystal displays, and in particular to a color film substrate and a curved liquid crystal display panel having the color film substrate.
  • the working principle of the liquid crystal display panel is to place liquid crystal molecules in two parallel glass substrates, and apply driving voltages on the two glass substrates to control the rotation of the liquid crystal molecules, thereby refracting the light of the backlight module to produce a picture.
  • the liquid crystal display panel generally includes a color filter (CF) substrate which is disposed on a thin film transistor (TFT) array substrate and a thin film transistor substrate, and a liquid crystal disposed between the thin film transistor array substrate and the color filter substrate.
  • CF color filter
  • TFT thin film transistor
  • the curved screen can reduce the occupied space on the one hand, and can display the surrounding image effect on the other hand, providing a better display effect than the flat screen, so the curved screen is applied more and more widely.
  • the design of the curved liquid crystal display in the industry generally designs and produces a flat liquid crystal display according to a planar display mode and then mechanically bends.
  • FIG. 1 is a schematic structural view of a conventional flat liquid crystal display panel.
  • the planar liquid crystal display panel includes a TFT substrate 100 and a CF substrate 200 disposed opposite to the TFT substrate 100.
  • the CF substrate 200 is provided with a plurality of main photoresists. a spacer 310 and a plurality of secondary photoresist spacers 330, wherein the other ends of the plurality of main photoresist spacers 310 are connected to the TFT substrate 100 to support the TFT substrate 100 and the CF substrate 200
  • FIG. 2 is a schematic structural view of a curved liquid crystal display panel formed by bending a flat liquid crystal display panel shown in FIG. 1. As shown in FIGS.
  • the CF The main photoresist spacer 310 at the edge of the substrate 200 is greatly distorted and offset, and enters the pixel opening region of the curved liquid crystal display panel, so that the obtained curved liquid crystal display panel generates display defects such as light leakage and affects the product yield.
  • An object of the present invention is to provide a color filter substrate having a large distance from a main photoresist spacer located in an edge region to a pixel opening region, which can effectively prevent the color film substrate from being bent during the edge region.
  • the main photoresist spacers are caused by light leakage and poor display of the display caused by the distortion of the color filter substrate to the pixel opening area.
  • Another object of the present invention is to provide a curved liquid crystal display panel having the above color film substrate, which can avoid problems such as light leakage and display failure, and the aperture ratios of different regions are uniform, thereby having better display quality.
  • the invention provides a color filter substrate, comprising a transparent substrate, a plurality of spaced pixel regions disposed on the transparent substrate, a black matrix disposed on the transparent substrate and located between the plurality of pixel regions, and a plurality of primary photoresist spacers and a plurality of secondary photoresist spacers on the black matrix;
  • the black matrix includes a plurality of laterally and longitudinally arranged light shielding strips, and an array of enlarged portions disposed on opposite sides of the light shielding strip; wherein the plurality of primary photoresist spacers and the plurality of secondary photoresist spacers The plurality of main photoresist spacers are disposed on opposite sides of the light shielding tape, and are disposed at the central region of the light shielding tape.
  • the area of the enlarged portion of the edge region of the film substrate is larger than the area of the enlarged portion located at the central portion of the color filter substrate.
  • the enlarged portion has a circular arc edge which is a boundary between the enlarged portion of the black matrix and the pixel region.
  • the distance between the main photoresist spacer located in the central area of the color filter substrate to the arc-shaped edge of the enlarged portion is 10 ⁇ m; the distance between the main photoresist spacer located at the edge of the color filter substrate to the arc-shaped edge of the enlarged portion is greater than 10 ⁇ m.
  • the distance between the main photoresist spacer located at the edge region of the color filter substrate to the arcuate edge of the enlarged portion is 12 ⁇ m, 14 ⁇ m, or 16 ⁇ m.
  • the width of the light-shielding tape of the black matrix located at the edge region of the color filter substrate is smaller than the width of the light-shielding tape of the black matrix located at the central region of the color filter substrate.
  • the present invention also provides a curved liquid crystal display panel, comprising a thin film transistor array substrate, a color film substrate disposed opposite to the thin film transistor array substrate, a sealant for sealingly connecting the thin film transistor array substrate and the color filter substrate, and a film disposed on the film a liquid crystal layer between the transistor array substrate and the color filter substrate;
  • the color filter substrate includes a transparent substrate, a plurality of spaced pixel regions disposed on the transparent substrate, a black matrix disposed on the transparent substrate and located between the plurality of pixel regions, and a black matrix disposed on the black substrate a plurality of major photoresist spacers on the matrix and a plurality of secondary photoresist spacers;
  • the black matrix includes a plurality of laterally and longitudinally arranged light shielding strips, and an array of enlarged portions disposed on opposite sides of the light shielding strip; wherein the plurality of primary photoresist spacers and the plurality of secondary photoresist spacers The plurality of main photoresist spacers are disposed on the two sides of the light shielding tape, and are disposed on the color filter substrate. The area of the enlarged portion of the edge region is larger than the central portion of the color filter substrate The area of the inflated part.
  • the enlarged portion has a circular arc edge which is a boundary between the enlarged portion of the black matrix and the pixel region.
  • the distance between the main photoresist spacer located in the central region of the color filter substrate to the arc-shaped edge of the enlarged portion is 10 ⁇ m; the distance between the main photoresist spacer located at the edge region of the color filter substrate to the arc-shaped edge of the enlarged portion is greater than 10 ⁇ m.
  • the distance between the main photoresist spacer located at the edge region of the color filter substrate to the arcuate edge of the enlarged portion is 12 ⁇ m, 14 ⁇ m, or 16 ⁇ m.
  • the width of the light-shielding tape of the black matrix located at the edge region of the color filter substrate is smaller than the width of the light-shielding tape of the black matrix located at the central region of the color filter substrate.
  • the present invention also provides a curved liquid crystal display panel, comprising a thin film transistor array substrate, a color film substrate disposed opposite to the thin film transistor array substrate, a sealant for sealingly connecting the thin film transistor array substrate and the color filter substrate, and a film disposed on the film a liquid crystal layer between the transistor array substrate and the color filter substrate;
  • the color filter substrate includes a transparent substrate, a plurality of spaced pixel regions disposed on the transparent substrate, a black matrix disposed on the transparent substrate and located between the plurality of pixel regions, and disposed on the black a plurality of major photoresist spacers on the matrix and a plurality of secondary photoresist spacers;
  • the black matrix includes a plurality of laterally and longitudinally arranged light shielding strips, and an array of enlarged portions disposed on opposite sides of the light shielding strip; wherein the plurality of primary photoresist spacers and the plurality of secondary photoresist spacers The plurality of main photoresist spacers are disposed on the two sides of the light shielding tape, and are disposed on the color filter substrate. The area of the enlarged portion of the edge region is larger than the area of the enlarged portion of the central portion of the color filter substrate;
  • the enlarged portion has a circular arc edge, and the circular arc edge is a boundary between the enlarged portion of the black matrix and the pixel region;
  • the distance between the main photoresist spacer located in the central region of the color filter substrate to the arc-shaped edge of the enlarged portion is 10 ⁇ m; the distance between the main photoresist spacer located at the edge region of the color filter substrate to the arc-shaped edge of the enlarged portion is greater than 10 ⁇ m;
  • the width of the light-shielding strip of the black matrix located at the edge region of the color filter substrate is smaller than the width of the light-shielding strip of the black matrix located at the central area of the color filter substrate.
  • the present invention provides a color filter substrate and a curved liquid crystal display panel having the same, wherein the black matrix on the color filter substrate is provided with an array of enlarged portions corresponding to a plurality of main photoresist spacers, and The area of the enlarged portion located at the edge region of the color filter substrate is larger than the area of the enlarged portion located at the central portion of the color filter substrate, thereby ensuring that the main photoresist spacer located in the edge region is The distance between the pixel opening regions is large, which can effectively prevent the problem that the main photoresist spacer located in the edge region is distorted to the pixel opening region and the display leakage and display failure are caused during the bending process of the curved liquid crystal display panel;
  • the width of the black mask of the black matrix of the edge region is set to be smaller than the width of the light shielding strip of the black matrix located in the central region, thereby ensuring that the upper edge region of the color filter substrate is the same as the area of the pixel region of the central region, such that the
  • FIG. 1 is a schematic structural view of a conventional flat liquid crystal display panel
  • FIG. 2 is a schematic structural view of a curved liquid crystal display panel formed by bending a flat liquid crystal display panel shown in FIG. 1;
  • FIG. 3 is a schematic structural view of a central region of a color filter substrate of the present invention.
  • FIG. 4 is a schematic structural view of an edge region of a color filter substrate of the present invention.
  • FIG. 5 is a schematic structural view of a curved liquid crystal display panel of the present invention.
  • the present invention firstly provides a color filter substrate 20 for fabricating a curved liquid crystal display panel.
  • the color filter substrate 20 includes a transparent substrate 10 and a plurality of intervals disposed on the transparent substrate 10. a pixel region 21, a black matrix 22 disposed on the transparent substrate 10 between the plurality of pixel regions 21, and a plurality of main photoresist spacers disposed on the black matrix 22 (Main PS, Main Photo Spacer) 31 and a number of secondary photoresist spacers (Sub PS, Sub Photo Spacer) 33.
  • each of the pixel regions 21 includes three sub-pixel regions, which are red (R), green (G), and blue (B) sub-pixel regions, and the height of the main photoresist spacer 31 is greater than the secondary The height of the photoresist spacer 33.
  • the black matrix 22 includes a plurality of horizontally and vertically arranged light shielding strips 221 and an array of enlarged portions 223 disposed on opposite sides of the light shielding strip 221; wherein the plurality of main photoresist spacers 31 and A plurality of secondary photoresist spacers 33 are disposed in a central region of the light shielding strip 221 along the extending direction of the light shielding strip 221, and the array expansion portions 223 are respectively disposed corresponding to the plurality of main photoresist spacers 31. Both sides of the light shielding strip 221 .
  • the enlarged portion 223 is disposed on the light shielding strip 221 of the black matrix 22 corresponding to the position of the main photoresist spacer 31, so that the main photoresist spacer 31 has a certain distance from the pixel region 21, and The main photoresist spacer 31 is prevented from entering the pixel region 21 when it is displaced.
  • the area of the enlarged portion 223 in different regions on the color filter substrate 20 is different.
  • the area of the enlarged portion 223 located at the edge region of the color filter substrate 20 is larger than the area of the enlarged portion 223 located at the central portion of the color filter substrate 20, so that the main photoresist spacer located at the edge region of the color filter substrate 20 is obtained.
  • the distance between the 31 and the pixel region 21 is larger than the distance between the main photoresist spacer 31 and the pixel region 21 located in the central region of the color filter substrate 20.
  • the enlarged portion 223 has a circular arc edge 41 which is a boundary between the enlarged portion 223 of the black matrix 22 and the pixel region 21.
  • the distance between the main photoresist spacer 31 in the central region to the arcuate edge 41 of the enlarged portion 223 is 10 ⁇ m; the distance from the main photoresist spacer 31 in the edge region to the arcuate edge 41 of the enlarged portion 223 It is larger than 10 ⁇ m, and specifically may be 12 ⁇ m, 14 ⁇ m, or 16 ⁇ m or the like.
  • the curved liquid crystal display panel is prepared by bending a flat liquid crystal display panel to a certain angle.
  • the main photoresist gap located in the edge region of the color filter substrate 20 is large due to the large twist angle of the edge region.
  • the displacement of the object 31 is also large, and it is easy to enter the pixel region 21, causing light leakage or poor display of the curved liquid crystal display panel.
  • the present application sets the area of the enlarged portion 223 located at the edge region of the color filter substrate 20 by the present application. Larger, it can prevent the main photoresist spacer 31 located in the edge region from entering the pixel region 21 when the displacement occurs, thereby effectively avoiding light leakage or poor display of the curved liquid crystal display panel.
  • the area of the enlarged portion 223 located at the edge region of the color filter substrate 20 is larger than the area of the enlarged portion 223 located at the central portion of the color filter substrate 20, the area of the pixel region 21 located at the edge region is smaller than the pixel region 21 located at the central portion.
  • the area of the pixel is such that the pixel aperture ratio of the edge region of the liquid crystal display panel is lower than the pixel aperture ratio of the central region.
  • the light shielding strip 221 of the black matrix 22 located at the edge region of the color filter substrate 20 can be designed.
  • the width is smaller than the width of the light-shielding strip 221 of the black matrix 22 located in the central region of the color filter substrate 20, thereby ensuring the same aperture ratio of the liquid crystal display panel in the central region and the edge region, and improving The display quality of the LCD panel.
  • the present invention further provides a curved liquid crystal display panel having the above color film substrate 20, comprising a thin film transistor array substrate 40 and a color film disposed opposite to the thin film transistor array substrate 40. a substrate 20, a sealant 50 for sealing the thin film transistor array substrate 40 and the color filter substrate 20, and a liquid crystal layer (not shown) disposed between the thin film transistor array substrate 40 and the color filter substrate 20;
  • the color filter substrate 20 includes a transparent substrate 10 , a plurality of spaced pixel regions 21 disposed on the transparent substrate 10 , and a black matrix 22 disposed on the transparent substrate 10 and located between the plurality of pixel regions 21 . And a plurality of main photoresist spacers 31 and a plurality of secondary photoresist spacers 33 disposed on the black matrix 22;
  • the height of the main photoresist spacer 31 is greater than the height of the secondary photoresist spacer 33, and the other ends of the plurality of main photoresist spacers 31 on the color filter substrate 20 are respectively connected to the thin film transistor.
  • the array substrate 40 supports the thickness between the thin film transistor array substrate 40 and the color filter substrate 20.
  • each of the pixel regions 21 includes three sub-pixel regions, which are red (R), green (G), and blue (B) sub-pixel regions, respectively.
  • the black matrix 22 includes a plurality of horizontally and vertically arranged light shielding strips 221 and an array of enlarged portions 223 disposed on opposite sides of the light shielding strip 221; wherein the plurality of main photoresist spacers 31 and A plurality of secondary photoresist spacers 33 are disposed in a central region of the light shielding strip 221 along the extending direction of the light shielding strip 221, and the array expansion portions 223 are respectively disposed corresponding to the plurality of main photoresist spacers 31. Both sides of the light shielding strip 221 .
  • the area of the enlarged portion 223 in different regions on the color filter substrate 20 is different.
  • the area of the enlarged portion 223 located at the edge region of the color filter substrate 20 is larger than the area of the enlarged portion 223 located at the central portion of the color filter substrate 20, so that the main photoresist spacer located at the edge region of the color filter substrate 20 is obtained.
  • the distance between the 31 and the pixel region 21 is larger than the distance between the main photoresist spacer 31 and the pixel region 21 located in the central region of the color filter substrate 20.
  • the enlarged portion 223 has a circular arc edge 41 which is a boundary between the enlarged portion 223 of the black matrix 22 and the pixel region 21.
  • the distance between the main photoresist spacer 31 located in the central region of the color filter substrate 20 to the arcuate edge 41 of the enlarged portion 223 is 10 ⁇ m; and the main photoresist spacer 31 to the enlarged portion 223 located in the edge region of the color filter substrate 20
  • the distance of the arcuate edge 41 is greater than 10 ⁇ m, and specifically may be 12 ⁇ m, 14 ⁇ m, or 16 ⁇ m.
  • the width of the light shielding strip 221 of the black matrix 22 in the edge region of the color filter substrate 20 is smaller than the width of the light shielding strip 221 of the black matrix 22 located in the central region of the color filter substrate 20, Therefore, the aperture ratio of the curved liquid crystal display panel in the central region and the edge region is consistent, and the display quality of the liquid crystal display panel is improved.
  • the present invention provides a color filter substrate and a curved liquid crystal display panel having the same, wherein the black matrix on the color filter substrate is provided with an array of enlarged portions corresponding to a plurality of main photoresist spacers, and is located at The area of the enlarged portion of the edge region of the color filter substrate is larger than the area of the enlarged portion of the central portion of the color filter substrate, thereby ensuring a large distance from the main photoresist spacer to the pixel opening region in the edge region, thereby effectively preventing the curved liquid crystal display panel.
  • the main photoresist spacer located in the edge region is distorted by the panel to the pixel opening region, causing leakage and poor display of the display; and further, the width of the black matrix of the black matrix located in the edge region is set to be smaller than the center.
  • the width of the black mask of the black matrix of the region so as to ensure that the upper edge region of the color filter substrate is the same as the area of the pixel region of the central region, so that the aperture ratio of the curved liquid crystal display panel in the central region and the edge region is uniform, and the liquid crystal is raised. The display quality of the display panel.

Abstract

一种彩膜基板（20）及具有该彩膜基板（20）的曲面液晶显示面板。彩膜基板（20）上的黑色矩阵（22）对应数个主要光阻间隙物（31）设有数组膨大部（223），且位于彩膜基板（20）边缘区域的膨大部（223）的面积大于位于彩膜基板（20）中心区域的膨大部（223）的面积，从而保证位于边缘区域的主要光阻间隙物（31）到像素开口区域的距离较大，可有效防止曲面液晶显示面板弯曲的过程中，位于边缘区域的主要光阻间隙物（31）随面板扭曲到像素开口区域导致的显示器漏光及显示不良等问题；并进一步地将位于边缘区域的黑色矩阵（22）的遮光带（221）的宽度设置为小于位于中心区域的黑色矩阵（22）的遮光带（221）的宽度，从而保证所述曲面液晶显示面板在中心区域和边缘区域的开口率一致，提升液晶显示面板的显示品质。

Description

彩膜基板及具有该彩膜基板的曲面液晶显示面板 技术领域
本发明涉及液晶显示器领域，特别涉及一种彩膜基板及具有该彩膜基板的曲面液晶显示面板。
背景技术
液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子，并在两玻璃基板上施加驱动电压来控制液晶分子的旋转，从而将背光模组的光线折射出来产生画面。液晶显示面板一般包括：薄膜晶体管(Thin Film Transistor，TFT)阵列基板与薄膜晶体管基板相对贴合设置的彩膜(Color Filter，CF)基板及设于薄膜晶体管阵列基板与彩膜基板之间的液晶层。
使用曲面屏幕相对传统平面显示屏幕一方面可以减少占用空间，另一方面可以显示出环绕画面效果，提供比平面屏幕更佳的显示效果，因此曲面屏幕的应用越来越广。而目前业界对曲面液晶显示器的设计一般为按照平面显示的方式设计生产出平面液晶显示器后再进行机械弯曲。
图1为一种现有的平面液晶显示面板的结构示意图，所述平面液晶显示面板包括TFT基板100、与TFT基板100相对设置的CF基板200，所述CF基板200上设有数个主要光阻间隙物310和数个次要光阻间隙物330，其中，所述数个主要光阻间隙物310的另一端连接所述TFT基板100，从而支撑起所述TFT基板100与CF基板200之间的厚度；图2为由图1所示的平面液晶显示面板弯曲后形成的曲面液晶显示面板的结构示意图，如图1和2所示，所述平面液晶显示面板弯曲的过程中，所述CF基板200边缘的主要光阻间隙物310发生较大扭曲及偏移，进入曲面液晶显示面板的像素开口区域内，从而使制得的曲面液晶显示面板产生漏光等显示不良现象，影响产品良率。
发明内容
本发明的目的在于提供一种彩膜基板，所述彩膜基板上位于边缘区域的主要光阻间隙物到像素开口区域的距离较大，可有效防止彩膜基板弯曲的过程中，位于边缘区域的主要光阻间隙物随彩膜基板扭曲到像素开口区域导致的显示器漏光及显示不良等问题。
本发明的目的还在于提供一种具有上述彩膜基板的曲面液晶显示面板，能够避免出现漏光及显示不良等问题，且不同区域的开口率一致，从而具有较好的显示品质。
本发明提供一种彩膜基板，包括透明基板，设于所述透明基板上的数个间隔设置的像素区域，设于所述透明基板上且位于数个像素区域之间的黑色矩阵，及设于所述黑色矩阵上的数个主要光阻间隙物和数个次要光阻间隙物；
所述黑色矩阵包括数条横向排列及纵向排列的遮光带、及设置于所述遮光带两侧的数组膨大部；其中，所述数个主要光阻间隙物与数个次要光阻间隙物沿所述遮光带的延伸方向间隔设置于所述遮光带的中心区域，所述数组膨大部分别对应所述数个主要光阻间隙物设置于所述遮光带的两侧；且位于所述彩膜基板边缘区域的膨大部的面积大于位于所述彩膜基板中心区域的膨大部的面积。
所述膨大部具有一圆弧形边缘，该圆弧形边缘为黑色矩阵的膨大部与像素区域的交界。
位于彩膜基板中心区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为10μm；位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离大于10μm，
位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为12μm、14μm、或16μm。
位于所述彩膜基板边缘区域的黑色矩阵的遮光带的宽度小于位于所述彩膜基板中心区域的黑色矩阵的遮光带的宽度。
本发明还提供一种曲面液晶显示面板，包括薄膜晶体管阵列基板、与薄膜晶体管阵列基板相对设置的彩膜基板、密封连接所述薄膜晶体管阵列基板与彩膜基板的封框胶、及设于薄膜晶体管阵列基板与彩膜基板之间的液晶层；
所述彩膜基板包括透明基板、设于所述透明基板上的数个间隔设置的像素区域、设于所述透明基板上且位于数个像素区域之间的黑色矩阵、及设于所述黑色矩阵上的数个主要光阻间隙物和数个次要光阻间隙物；
所述黑色矩阵包括数条横向排列及纵向排列的遮光带、及设置于所述遮光带两侧的数组膨大部；其中，所述数个主要光阻间隙物与数个次要光阻间隙物沿所述遮光带的延伸方向间隔设置于所述遮光带的中心区域，所述数组膨大部分别对应所述数个主要光阻间隙物设置于所述遮光带的两侧；且位于彩膜基板边缘区域的膨大部的面积大于位于彩膜基板中心区域 的膨大部的面积。
所述膨大部具有一圆弧形边缘，该圆弧形边缘为黑色矩阵的膨大部与像素区域的交界。
位于彩膜基板中心区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为10μm；位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离大于10μm。
位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为12μm、14μm、或16μm。
位于所述彩膜基板边缘区域的黑色矩阵的遮光带的宽度小于位于所述彩膜基板中心区域的黑色矩阵的遮光带的宽度。
本发明还提供一种曲面液晶显示面板，包括薄膜晶体管阵列基板、与薄膜晶体管阵列基板相对设置的彩膜基板、密封连接所述薄膜晶体管阵列基板与彩膜基板的封框胶、及设于薄膜晶体管阵列基板与彩膜基板之间的液晶层；
所述彩膜基板包括透明基板，设于所述透明基板上的数个间隔设置的像素区域，设于所述透明基板上且位于数个像素区域之间的黑色矩阵，及设于所述黑色矩阵上的数个主要光阻间隙物和数个次要光阻间隙物；
所述黑色矩阵包括数条横向排列及纵向排列的遮光带、及设置于所述遮光带两侧的数组膨大部；其中，所述数个主要光阻间隙物与数个次要光阻间隙物沿所述遮光带的延伸方向间隔设置于所述遮光带的中心区域，所述数组膨大部分别对应所述数个主要光阻间隙物设置于所述遮光带的两侧；且位于彩膜基板边缘区域的膨大部的面积大于位于彩膜基板中心区域的膨大部的面积；
其中，所述膨大部具有一圆弧形边缘，该圆弧形边缘为黑色矩阵的膨大部与像素区域的交界；
其中，位于彩膜基板中心区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为10μm；位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离大于10μm；
其中，位于所述彩膜基板边缘区域的黑色矩阵的遮光带的宽度小于位于所述彩膜基板中心区域的黑色矩阵的遮光带的宽度。
本发明的有益效果：本发明提供一种彩膜基板及具有该彩膜基板的曲面液晶显示面板，所述彩膜基板上的黑色矩阵对应数个主要光阻间隙物设有数组膨大部，且位于彩膜基板边缘区域的膨大部的面积大于位于彩膜基板中心区域的膨大部的面积，从而保证位于边缘区域的主要光阻间隙物到 像素开口区域的距离较大，可有效防止曲面液晶显示面板弯曲的过程中，位于边缘区域的主要光阻间隙物随面板扭曲到像素开口区域导致的显示器漏光及显示不良等问题；并进一步将位于边缘区域的黑色矩阵的遮光带的宽度设置为小于位于中心区域的黑色矩阵的遮光带的宽度，从而保证所述彩膜基板上边缘区域与中心区域的像素区域的面积相同，使得所述曲面液晶显示面板在中心区域和边缘区域的开口率一致，提升液晶显示面板的显示品质。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
附图中，
图1为一种现有的平面液晶显示面板的结构示意图；
图2为由图1所示的平面液晶显示面板弯曲后形成的曲面液晶显示面板的结构示意图；
图3为本发明的彩膜基板的中心区域的结构示意图；
图4为本发明的彩膜基板的边缘区域的结构示意图；
图5为本发明的曲面液晶显示面板的结构示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图3-5，本发明首先提供一种彩膜基板20，其用于制作曲面液晶显示面板，该彩膜基板20包括透明基板10，设于所述透明基板10上的数个间隔设置的像素区域21，设于所述透明基板10上且位于数个像素区域21之间的黑色矩阵22，及设于所述黑色矩阵22上的数个主要光阻间隙物(Main PS,Main Photo Spacer)31和数个次要光阻间隙物(Sub PS,Sub Photo Spacer)33。
具体的，每个像素区域21包括三个子像素区，分别为红色(R)、绿色(G)和蓝色(B)子像素区，所述主要光阻间隙物31的高度大于所述次要光阻间隙物33的高度。
具体的，所述黑色矩阵22包括数条横向排列及纵向排列的遮光带221、及设置于所述遮光带221两侧的数组膨大部223；其中，所述数个主要光阻间隙物31与数个次要光阻间隙物33沿所述遮光带221的延伸方向间隔设置于所述遮光带221的中心区域，所述数组膨大部223分别对应所述数个主要光阻间隙物31设置于所述遮光带221的两侧。
本发明通过在所述黑色矩阵22的遮光带221上对应所述主要光阻间隙物31的位置设置膨大部223，使得所述主要光阻间隙物31与像素区域21之间具有一定距离，可以防止所述主要光阻间隙物31发生位移时进入所述像素区域21内。
具体的，所述彩膜基板20上不同区域的膨大部223的面积不同。优选的，位于所述彩膜基板20边缘区域的膨大部223的面积大于位于所述彩膜基板20中心区域的膨大部223的面积，从而使得位于彩膜基板20边缘区域的主要光阻间隙物31与像素区域21之间的距离大于位于所述彩膜基板20中心区域的主要光阻间隙物31与像素区域21之间的距离。
具体的，所述膨大部223具有一圆弧形边缘41，该圆弧形边缘41为黑色矩阵22的膨大部223与像素区域21的交界。
优选的，位于中心区域的主要光阻间隙物31到膨大部223的圆弧形边缘41的距离为10μm；位于边缘区域的主要光阻间隙物31到膨大部223的圆弧形边缘41的距离大于10μm，具体可以为12μm、14μm、或16μm等。
已知曲面液晶显示面板是通过平面液晶显示面板弯曲到一定的角度制备而成，然而，在弯曲的过程中，由于边缘区域扭曲角度较大，使得位于彩膜基板20边缘区域的主要光阻间隙物31发生的位移也较大，容易进入像素区域21内，使曲面液晶显示面板发生漏光或显示不良等现象，本申请通过将所述位于彩膜基板20边缘区域的膨大部223的面积设置地更大一些，可防止位于边缘区域的主要光阻间隙物31发生位移时进入像素区域21内，有效避免了曲面液晶显示面板发生漏光或显示不良等现象。
进一步的，由于位于彩膜基板20边缘区域的膨大部223的面积大于位于彩膜基板20中心区域的膨大部223的面积，使得位于边缘区域的像素区域21的面积小于位于中心区域的像素区域21的面积，从而会导致液晶显示面板边缘区域的像素开口率低于中心区域的像素开口率，为解决这一问题，可以设计位于所述彩膜基板20边缘区域的黑色矩阵22的遮光带221的宽度小于位于所述彩膜基板20中心区域的黑色矩阵22的遮光带221的宽度，从而保证液晶显示面板在中心区域和边缘区域的开口率一致，提升 液晶显示面板的显示品质。
请参阅图5，并同时参阅图3和图4，本发明还提供一种具有上述彩膜基板20的曲面液晶显示面板，包括薄膜晶体管阵列基板40、与薄膜晶体管阵列基板40相对设置的彩膜基板20、密封连接所述薄膜晶体管阵列基板40与彩膜基板20的封框胶50、及设于薄膜晶体管阵列基板40与彩膜基板20之间的液晶层(未图示)；
所述彩膜基板20包括透明基板10，设于所述透明基板10上的数个间隔设置的像素区域21，设于所述透明基板10上且位于数个像素区域21之间的黑色矩阵22，及设于所述黑色矩阵22上的数个主要光阻间隙物31和数个次要光阻间隙物33；
其中，所述主要光阻间隙物31的高度大于所述次要光阻间隙物33的高度，所述彩膜基板20上的数个主要光阻间隙物31的另一端分别连接所述薄膜晶体管阵列基板40，从而支撑起所述薄膜晶体管阵列基板40与彩膜基板20之间的厚度。
具体的，每个像素区域21包括三个子像素区，分别为红色(R)、绿色(G)和蓝色(B)子像素区。
具体的，所述黑色矩阵22包括数条横向排列及纵向排列的遮光带221、及设置于所述遮光带221两侧的数组膨大部223；其中，所述数个主要光阻间隙物31与数个次要光阻间隙物33沿所述遮光带221的延伸方向间隔设置于所述遮光带221的中心区域，所述数组膨大部223分别对应所述数个主要光阻间隙物31设置于所述遮光带221的两侧。
具体的，所述彩膜基板20上不同区域的膨大部223的面积不同。优选的，位于所述彩膜基板20边缘区域的膨大部223的面积大于位于所述彩膜基板20中心区域的膨大部223的面积，从而使得位于彩膜基板20边缘区域的主要光阻间隙物31与像素区域21之间的距离大于位于所述彩膜基板20中心区域的主要光阻间隙物31与像素区域21之间的距离。
具体的，所述膨大部223具有一圆弧形边缘41，该圆弧形边缘41为黑色矩阵22的膨大部223与像素区域21的交界。
优选的，位于彩膜基板20中心区域的主要光阻间隙物31到膨大部223的圆弧形边缘41的距离为10μm；位于彩膜基板20边缘区域的主要光阻间隙物31到膨大部223的圆弧形边缘41的距离大于10μm，具体可以为12μm、14μm、或16μm等。
优选的，所述彩膜基板20边缘区域的黑色矩阵22的遮光带221的宽度小于位于所述彩膜基板20中心区域的黑色矩阵22的遮光带221的宽度， 从而保证所述曲面液晶显示面板在中心区域和边缘区域的开口率一致，提升液晶显示面板的显示品质。
综上所述，本发明提供一种彩膜基板及具有该彩膜基板的曲面液晶显示面板，所述彩膜基板上的黑色矩阵对应数个主要光阻间隙物设有数组膨大部，且位于彩膜基板边缘区域的膨大部的面积大于位于彩膜基板中心区域的膨大部的面积，从而保证位于边缘区域的主要光阻间隙物到像素开口区域的距离较大，可有效防止曲面液晶显示面板弯曲的过程中，位于边缘区域的主要光阻间隙物随面板扭曲到像素开口区域导致的显示器漏光及显示不良等问题；并进一步将位于边缘区域的黑色矩阵的遮光带的宽度设置为小于位于中心区域的黑色矩阵的遮光带的宽度，从而保证所述彩膜基板上边缘区域与中心区域的像素区域的面积相同，使得所述曲面液晶显示面板在中心区域和边缘区域的开口率一致，提升液晶显示面板的显示品质。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (12)

  1. 一种彩膜基板，包括透明基板，设于所述透明基板上的数个间隔设置的像素区域，设于所述透明基板上且位于数个像素区域之间的黑色矩阵，及设于所述黑色矩阵上的数个主要光阻间隙物和数个次要光阻间隙物；
    所述黑色矩阵包括数条横向排列及纵向排列的遮光带、及设置于所述遮光带两侧的数组膨大部；其中，所述数个主要光阻间隙物与数个次要光阻间隙物沿所述遮光带的延伸方向间隔设置于所述遮光带的中心区域，所述数组膨大部分别对应所述数个主要光阻间隙物设置于所述遮光带的两侧；且位于所述彩膜基板边缘区域的膨大部的面积大于位于所述彩膜基板中心区域的膨大部的面积。
  2. 如权利要求1所述的彩膜基板，其中，所述膨大部具有一圆弧形边缘，该圆弧形边缘为黑色矩阵的膨大部与像素区域的交界。
  3. 如权利要求2所述的彩膜基板，其中，位于彩膜基板中心区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为10μm；位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离大于10μm。
  4. 如权利要求3所述的彩膜基板，其中，位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为12μm、14μm、或16μm。
  5. 如权利要求1所述的彩膜基板，其中，位于所述彩膜基板边缘区域的黑色矩阵的遮光带的宽度小于位于所述彩膜基板中心区域的黑色矩阵的遮光带的宽度。
  6. 一种曲面液晶显示面板，包括薄膜晶体管阵列基板、与薄膜晶体管阵列基板相对设置的彩膜基板、密封连接所述薄膜晶体管阵列基板与彩膜基板的封框胶、及设于薄膜晶体管阵列基板与彩膜基板之间的液晶层；
    所述彩膜基板包括透明基板，设于所述透明基板上的数个间隔设置的像素区域，设于所述透明基板上且位于数个像素区域之间的黑色矩阵，及设于所述黑色矩阵上的数个主要光阻间隙物和数个次要光阻间隙物；
    所述黑色矩阵包括数条横向排列及纵向排列的遮光带、及设置于所述遮光带两侧的数组膨大部；其中，所述数个主要光阻间隙物与数个次要光阻间隙物沿所述遮光带的延伸方向间隔设置于所述遮光带的中心区域，所述数组膨大部分别对应所述数个主要光阻间隙物设置于所述遮光带的两侧；且位于彩膜基板边缘区域的膨大部的面积大于位于彩膜基板中心区域的膨大部的面积。
  7. 如权利要求6所述的曲面液晶显示面板，其中，所述膨大部具有一圆弧形边缘，该圆弧形边缘为黑色矩阵的膨大部与像素区域的交界。
  8. 如权利要求7所述的曲面液晶显示面板，其中，位于彩膜基板中心区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为10μm；位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离大于10μm。
  9. 如权利要求8所述的曲面液晶显示面板，其中，位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为12μm、14μm、或16μm。
  10. 如权利要求6所述的曲面液晶显示面板，其中，位于所述彩膜基板边缘区域的黑色矩阵的遮光带的宽度小于位于所述彩膜基板中心区域的黑色矩阵的遮光带的宽度。
  11. 一种曲面液晶显示面板，包括薄膜晶体管阵列基板、与薄膜晶体管阵列基板相对设置的彩膜基板、密封连接所述薄膜晶体管阵列基板与彩膜基板的封框胶、及设于薄膜晶体管阵列基板与彩膜基板之间的液晶层；
    所述彩膜基板包括透明基板，设于所述透明基板上的数个间隔设置的像素区域，设于所述透明基板上且位于数个像素区域之间的黑色矩阵，及设于所述黑色矩阵上的数个主要光阻间隙物和数个次要光阻间隙物；
    所述黑色矩阵包括数条横向排列及纵向排列的遮光带、及设置于所述遮光带两侧的数组膨大部；其中，所述数个主要光阻间隙物与数个次要光阻间隙物沿所述遮光带的延伸方向间隔设置于所述遮光带的中心区域，所述数组膨大部分别对应所述数个主要光阻间隙物设置于所述遮光带的两侧；且位于彩膜基板边缘区域的膨大部的面积大于位于彩膜基板中心区域的膨大部的面积；
    其中，所述膨大部具有一圆弧形边缘，该圆弧形边缘为黑色矩阵的膨大部与像素区域的交界；
    其中，位于彩膜基板中心区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为10μm；位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离大于10μm；
    其中，位于所述彩膜基板边缘区域的黑色矩阵的遮光带的宽度小于位于所述彩膜基板中心区域的黑色矩阵的遮光带的宽度。
  12. 如权利要求11所述的曲面液晶显示面板，其中，位于彩膜基板边缘区域的主要光阻间隙物到膨大部的圆弧形边缘的距离为12μm、14μm、或16μm。
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