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WO2019085288A1 - 显示面板及其制造方法 - Google Patents

显示面板及其制造方法 Download PDF

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Publication number
WO2019085288A1
WO2019085288A1 PCT/CN2018/073766 CN2018073766W WO2019085288A1 WO 2019085288 A1 WO2019085288 A1 WO 2019085288A1 CN 2018073766 W CN2018073766 W CN 2018073766W WO 2019085288 A1 WO2019085288 A1 WO 2019085288A1
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WO
WIPO (PCT)
Prior art keywords
color resist
layer
resist layer
color
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/073766
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English (en)
French (fr)
Inventor
胡云钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
Original Assignee
HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
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Priority to US16/064,399 priority Critical patent/US20210208452A1/en
Publication of WO2019085288A1 publication Critical patent/WO2019085288A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/133514—Colour filters
    • G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/52—RGB geometrical arrangements

Definitions

  • the present application relates to a structural design of a color filter layer, and more particularly to a display panel and a method of fabricating the same.
  • the liquid crystal display panel usually consists of a color filter substrate (CF), a thin film transistor array substrate (Thin Film Transistor Array Substrate, TFT Array Substrate), and a liquid crystal layer (Liquid Crystal Layer, LC) disposed between the two substrates.
  • Layer is constructed by controlling the rotation of the liquid crystal molecules of the liquid crystal layer by applying a driving voltage on the two glass substrates, and refracting the light of the backlight module to produce a picture.
  • liquid crystal display panels on the mainstream market can be classified into the following types: Vertical Alignment (VA) type, Twisted Nematic (TN) or Super Twisted (Super Twisted). Nematic, STN) type, In-Plane Switching (IPS) type and Fringe Field Switching (FFS) type.
  • VA Vertical Alignment
  • TN Twisted Nematic
  • IPS In-Plane Switching
  • FFS Fringe Field Switching
  • VA mode liquid crystal display such as Pattern Vertical Alignment (PVA) liquid crystal display or Multi-domain Vertical Alignment (MVA) liquid crystal display device, of which PVA type Use the fringe field effect and the compensation plate to achieve a wide viewing angle.
  • PVA Pattern Vertical Alignment
  • MVA Multi-domain Vertical Alignment
  • the MVA type divides a pixel into a plurality of regions, and uses a protrusion or a specific pattern structure to tilt liquid crystal molecules located in different regions toward different directions in the same direction to achieve a wide viewing angle and enhance the transmittance.
  • liquid crystal molecules are driven in a direction parallel to the plane of the substrate by applying an electric field containing a component substantially parallel to the substrate.
  • the IPS type liquid crystal display panel and the FFS type liquid crystal display panel have the advantages of wide viewing angle.
  • the phase difference (Retardation) required to achieve the same transmittance (Transmittance) is smaller than that of red and green light, and the transmittance of red, green and blue light-voltage (VT) curves are different; moreover, red, green, and blue light have different transmittances in the polyimide (PI) film, flattening layer (PFA), coating layer (OC), etc. in the panel. Can cause color shift problems.
  • a conventional pixel is composed of three sub-pixels of red, green, and blue (ie, RGB).
  • RGB red, green, and blue
  • the RGBW technology adds a white sub-pixel to the RGBW four-color pixel based on the original RGB three primary colors, which can improve the transmittance, reduce the power consumption and reduce the cost of the backlight module.
  • an object of the present invention is to provide a structural design of a color filter layer, and more particularly to a display panel and a method for fabricating the same, which can simplify the process of color filter layers of RGBW four-color system and improve the process. Production efficiency, and replace white color resistance, saving material costs.
  • a display panel includes: a first substrate; a second substrate disposed opposite to the first substrate; a light shielding layer disposed on the first substrate and defining a plurality of pixels a color filter layer disposed on the pixel region, comprising a first color resist layer, a second color resist layer, a third color resist layer, and a fourth color resist layer; a transparent electrode And a layer disposed on the color filter layer; wherein the fourth color resist layer comprises a plurality of heterochromatic color resist materials formed by sequentially stacking from bottom to top.
  • the plurality of heterochromatic color resist materials include a combination material of at least two of the first color resist layer, the second color resist layer, and the third color resist layer.
  • the plurality of heterochromatic color resist materials have the same cross-sectional area.
  • the plurality of heterochromatic color resist materials have the same thickness, different or partially the same thickness.
  • the fourth color resist layer is illuminated by a light source, and the fourth color resist layer emits white light or yellow light.
  • Another object of the present application is a method for manufacturing a display panel, comprising: providing a first substrate, and an oppositely disposed second substrate; and providing a light shielding layer on the first substrate, wherein the light shielding layer is defined a plurality of pixel regions; a first color resist layer, a second color resist layer, a third color resist layer and a fourth color resist layer are disposed on the pixel region to complete a color filter layer, wherein The fourth color resist layer comprises a plurality of heterochromatic color resist materials formed by sequentially stacking from bottom to top; a transparent electrode layer is disposed on the first substrate and covers the color filter layer.
  • the plurality of heterochromatic color resist materials include a combination material of at least two of the first color resist layer, the second color resist layer, and the third color resist layer.
  • the plurality of different color-based color resist materials are stacked while the first color resist layer, the second color resist layer, and the third color resist layer are disposed.
  • the pixel region is over to complete the fourth color resist layer.
  • the plurality of heterochromatic color resist materials have the same cross-sectional area.
  • the plurality of heterochromatic color resist materials have the same thickness, different or partially the same thickness.
  • a further object of the present application is a display panel comprising: a first substrate; a second substrate disposed opposite to the first substrate; a light shielding layer disposed on the first substrate and defining a plurality of a color filter layer, disposed on the pixel region, comprising a first color resist layer, a second color resist layer, a third color resist layer, and a fourth color resist layer; a transparent electrode layer is disposed on the color filter layer; wherein the first color resist layer is a red color resist material, the second color resist layer is a green color resist material, and the third color resist layer is a blue color resistive material; the fourth color resistive layer comprises a plurality of different color-based color resistive materials formed by sequentially stacking from bottom to top.
  • the application can simplify the process of the color filter layer of the RGBW four-color system, improve the production efficiency, and replace the white color resistance, thereby saving material cost.
  • 1 to 3 are schematic views of a method of manufacturing a display panel according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of light transmission of a display panel according to an embodiment of the present application.
  • 5 to 7 are schematic views of a method of manufacturing a display panel according to another embodiment of the present application.
  • FIG. 8 is a schematic diagram of light transmission of a display panel according to another embodiment of the present application.
  • the word “comprising” is to be understood to include the component, but does not exclude any other component.
  • “on” means located above or below the target component, and does not mean that it must be on the top based on the direction of gravity.
  • a display panel and a manufacturing method thereof according to the present application have a specific embodiment and structure. , characteristics and efficacy, as detailed below.
  • the liquid crystal display panel of the present application may include an active array switch substrate, a color filter layer substrate, and a liquid crystal layer formed between the two substrates.
  • the display panel of the present application may be a curved display panel.
  • the active array switch (TFT) and the color filter layer (CF) of the present application may be formed on the same substrate.
  • FIG. 1 to FIG. 3 are schematic diagrams showing a method of manufacturing a display panel according to an embodiment of the present invention.
  • a method for manufacturing the display panel 10 includes: providing a a first substrate 100, and an oppositely disposed second substrate (not shown); a light shielding layer 110 is disposed on the first substrate 100, the light shielding layer 110 defines a plurality of pixel regions; and a first color is disposed
  • the resist layer 121, a second color resist layer 122, a third color resist layer 123 and a fourth color resist layer 124 are formed on the pixel region to complete a color filter layer.
  • the fourth color resist layer 124 includes a plurality of different color-based color resist materials formed by sequentially stacking from bottom to top; a transparent electrode layer 130 is disposed on the first substrate 100, and the color filter is covered.
  • Floor a plurality of different color-based color resist materials formed by sequentially stacking from bottom to top
  • a transparent electrode layer 130 is disposed on the first substrate 100, and the color filter
  • the first color resist layer 121 may be, for example, a red color resist material
  • the second color resist layer 122 may be, for example, a green color resist material
  • the third color resist layer 123 may be, for example, It is a blue color resist material.
  • the plurality of heterochromatic color resist materials include a combination material of at least two of the first color resist layer 121, the second color resist layer 122, and the third color resist layer 123.
  • the fourth color resist layer 124 includes three different color-based color resist materials, and the three different color-based color resist materials include the red color resist material, the green color resist material, and The blue color resist material.
  • the first color resist layer 121, the second color resist layer 122, and the third color resist layer 123 are stacked by a plurality of masks 200, 210, 220.
  • the plurality of heterochromatic color resist materials are on the pixel region to complete the fourth color resist layer 124.
  • the plurality of heterochromatic color resist materials have a cross-sectional area within an effective display range, that is, a light transmissive area that is not blocked by the light shielding layer 110.
  • the plurality of heterochromatic color resist materials have the same, different or partially the same thickness.
  • the light shielding layer 110 is a black matrix layer, and each color resist layer is distinguished to prevent color mixing and improve display effect.
  • the second substrate (not shown) is an active array switch substrate, which may be, for example, a thin film transistor substrate.
  • the reticle 200, 210, 220 has a light transmissive region 201, a light shielding region 220, and a semi-transmissive region 203 having a light transmittance of between 0.5% and 3%.
  • a display panel 10 includes: a first substrate 100; a second substrate (not shown) disposed opposite to the first substrate; and a light shielding layer 110 disposed at the a plurality of pixel regions are defined on the first substrate 100; a color filter layer is disposed on the pixel region, and includes a first color resist layer 121, a second color resist layer 122, and a third a color resist layer 123, and a fourth color resist layer 124; wherein the fourth color resist layer 124 comprises a plurality of different color-based color resist materials formed by sequentially stacking from bottom to top; a transparent electrode layer 130 is disposed on On the color filter layer.
  • the first color resist layer 121 may be, for example, a red color resist material
  • the second color resist layer 122 may be, for example, a green color resist material
  • the third color resist layer 123 may be, for example, It is a blue color resist material.
  • the plurality of heterochromatic color resist materials include a combination material of at least two of the first color resist layer 121, the second color resist layer 122, and the third color resist layer 123.
  • the fourth color resist layer 124 includes three different color-based color resist materials, and the three different color-based color resist materials are the red color resist material, the green color resist material, and The blue color resist material.
  • the plurality of heterochromatic color resist materials have a cross-sectional area within an effective display range, that is, a light transmissive area that is not blocked by the light shielding layer 110.
  • the plurality of heterochromatic color resist materials have the same, different or partially the same thickness.
  • the light shielding layer is a black matrix layer, and each color resist layer is distinguished to prevent color mixing and improve display effect.
  • the second substrate (not shown) is an active array switch substrate, which may be, for example, a thin film transistor substrate.
  • FIG. 4 is a schematic diagram of light transmission of the display panel 10 according to an embodiment of the present invention.
  • the display panel 10 is illuminated by a light source W.
  • the first color resist layer (red color resist material) 121 emits red light R
  • the second color resist layer (green color resist material) 122 reflects green light G
  • the third color resist layer ( The blue color resist material 123 passes through the blue light B
  • the fourth color resist layer 124 is designed by stacking three layers of red, green, and blue color resist materials, and emits light according to the mixture of the three primary colors, so that the fourth color
  • the light finally transmitted by the resist layer 124 is white light W.
  • the designer can bias the final white light to a certain color system according to the thickness of the three layers of color resist material, and can be, for example, a yellow color or a purple color, so that it can be applied to different needs.
  • FIG. 5 is a schematic diagram of a method for manufacturing a display panel according to another embodiment of the present application.
  • a method for manufacturing the display panel 20 includes: providing a first substrate 100, and an oppositely disposed second substrate (not shown); a light shielding layer 110 is disposed on the first substrate 100, the light shielding layer 110 defines a plurality of pixel regions; The color resist layer 121, a second color resist layer 122, a third color resist layer 123 and a fourth color resist layer 124 are formed on the pixel region to complete a color filter layer.
  • the fourth color resist layer 124 includes a plurality of different color-based color resist materials formed by sequentially stacking from bottom to top; a transparent electrode layer 130 is disposed on the first substrate 100, and the color filter is covered.
  • Floor is a schematic diagram of a method for manufacturing the display panel according to another embodiment of the present application.
  • a method for manufacturing the display panel 20 includes: providing a first substrate 100, and an oppositely disposed second substrate (not shown); a
  • the first color resist layer 121 may be, for example, a red color resist material
  • the second color resist layer 122 may be, for example, a green color resist material
  • the third color resist layer 123 may be, for example, It is a blue color resist material.
  • the plurality of heterochromatic color resist materials include a combination material of at least two of the first color resist layer 121, the second color resist layer 122, and the third color resist layer 123.
  • the fourth color resist layer 124 includes two different color-based color resist materials.
  • the two different color-based color resist materials include the red color resist material and the green color resist material.
  • the plurality of different color-color resist materials are stacked by the plurality of photomasks 240 and 250.
  • the pixel region is completed to complete the fourth color resist layer 124.
  • the third color resist layer 123 is disposed on the pixel region through a mask 260.
  • the plurality of heterochromatic color resist materials have a cross-sectional area within an effective display range, that is, a light transmissive area that is not blocked by the light shielding layer 110.
  • the plurality of heterochromatic color resist materials have the same, different or partially the same thickness.
  • the light shielding layer 110 is a black matrix layer, and each color resist layer is distinguished to prevent color mixing and improve display effect.
  • the second substrate (not shown) is an active array switch substrate, which may be, for example, a thin film transistor substrate.
  • the photomasks 240, 250 have a light transmissive region 201, a light shielding region 220, and a semi-transmissive region 203 having a light transmittance of between 0.5% and 3%; the photomask 260, having a light transmissive area 201 and a light blocking area 220.
  • a display panel 20 includes: a first substrate 100; a second substrate (not shown) disposed opposite to the first substrate; and a light shielding layer 110 disposed at the a plurality of pixel regions are defined on the first substrate 100; a color filter layer is disposed on the pixel region, and includes a first color resist layer 121, a second color resist layer 122, and a third a color resist layer 123, and a fourth color resist 124 layer; wherein the fourth color resist layer 124 comprises a plurality of different color-based color resist materials formed by sequentially stacking from bottom to top; a transparent electrode layer 130 is disposed on On the color filter layer.
  • the first color resist layer 121 may be, for example, a red color resist material
  • the second color resist layer 122 may be, for example, a green color resist material
  • the third color resist layer 123 may be, for example, It is a blue color resist material.
  • the plurality of heterochromatic color resist materials include a combination material of at least two of the first color resist layer 121, the second color resist layer 122, and the third color resist layer 123.
  • the fourth color resist layer 124 includes two different color-based color resist materials, and the two different color-color resist materials include the red color resist material and the green color resist material.
  • the plurality of heterochromatic color resist materials have a cross-sectional area within an effective display range, that is, a light transmissive area that is not blocked by the light shielding layer 110.
  • the plurality of heterochromatic color resist materials have the same, different or partially the same thickness.
  • the light shielding layer 110 is a black matrix layer, and each color resist layer is distinguished to prevent color mixing and improve display effect.
  • the second substrate (not shown) is an active array switch substrate, which may be, for example, a thin film transistor substrate.
  • FIG. 8 is a schematic diagram of light transmission of the display panel 20 according to another embodiment of the present application.
  • the display panel 20 is illuminated by a light source W.
  • the first color resist layer (red color resist material) 121 emits red light R
  • the second color resist layer (green color resist material) 122 reflects green light G
  • the third color resist layer ( The blue color resist material 123 passes through the blue light B
  • the fourth color resist layer 124 is formed by stacking red and green double-layer color resist materials, and emits light according to the mixture of the three primary colors, so that the fourth color resist layer 124 The last light that is revealed is yellow Y.
  • the fourth color resist layer 124 can also be a two-layer structure of a red color resist material and a blue color resist material, or a two-layer structure of a green color resist material and a blue color resist material.
  • the light emitted by the fourth color resist 124 is magenta light or cyan light by the combination of different color resists, and the final light is transmitted by adjusting the thickness of the double color resist material. Deviate to a color system. This document is intended to illustrate, but not limit, the implementation of the present application, and the configuration of the fourth color resist layer 124 depends on the design of the designer.
  • the application can simplify the process of the color filter layer of the RGBW four-color system, improve the production efficiency, and replace the white color resist material with the red, green and blue color resist materials. , saving material costs.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种显示面板（10）及其制造方法，显示面板（10）包括：一第一基板（100）；一第二基板，与第一基板（100）相对配置；一遮光层（110），设置于第一基板（100）上，并定义出多个像素区；一彩色滤光层，设置于像素区上，其包括一第一色阻层（121）、一第二色阻层（122）、一第三色阻层（123），以及一第四色阻层（124）；一透明电极层（130），设置于彩色滤光层上；其中，第四色阻层（124）包括多个异色系色阻材料由下至上依序叠置形成。

Description

显示面板及其制造方法 技术领域
本申请涉及一种彩色滤光层的结构设计，特别是涉及一种显示面板及其制造方法。
背景技术
液晶显示面板的通常是由一彩膜基板(Color Filter，CF)、一薄膜晶体管阵列基板(Thin Film Transistor Array Substrate，TFT Array Substrate)以及一配置于两基板间的液晶层(Liquid Crystal Layer，LC Layer)所构成，其工作原理是通过在两片玻璃基板上施加驱动电压来控制液晶层的液晶分子的旋转，将背光模块的光线折射出来产生画面。按照液晶的取向方式不同，目前主流市场上的液晶显示面板可以分为以下几种类型：垂直配向(Vertical Alignment，VA)型、扭曲向列(Twisted Nematic，TN)或超扭曲向列(Super Twisted Nematic，STN)型、平面转换(In-Plane Switching，IPS)型及边缘场开关(Fringe Field Switching，FFS)型。
垂直配向型(Vertical Alignment，VA)模式的液晶显示，例如图形垂直配向型(Patterned Vertical Alignment，PVA)液晶显示器或多区域垂直配向型(Multi-domain Vertical Alignment，MVA)液晶显示设备，其中PVA型利用边缘场效应与补偿板达到广视角的效果。MVA型将一个像素分成多个区域，并使用突起物(Protrusion)或特定图案结构，使位于不同区域的液晶分子朝向不同同向倾倒，以达到广视角且提升穿透率的作用。
在IPS模式或FFS模式中，通过施加含有基本平行于基板的分量的电场，使液晶分子在平行于基板平面的方向相应而驱动液晶分子。IPS型液晶显示面板和FFS型液晶显示面板，二者具有广视角的优点。但由于蓝光的波长较短，与红光和绿光相比，达到相同穿透率(Transmittance)所需的相位差(Retardation)较小，红光、绿光和蓝光的穿透率-电压(VT)曲线不同；而且，红光、绿光和蓝光在面板中的聚酰亚胺(PI)膜、平坦化层(PFA)、涂覆层(OC)等膜面的穿透率不同，也会导致出现色偏问题。
传统的像素是由用红、绿、蓝(即RGB)三个子像素来组成。随着面板产品分辨率的提高，像素密度的增加，将造成穿透率大幅下降，面板的亮度也会随之降低，需要采用更多的LED来维持同等亮度。相比于传统的RGB技术，RGBW技术在原有RGB三原色组成像素的基础上，再增加一个白色的子像素，形成RGBW四色像素，可以提高穿透率，降低功耗并减小背光模块的成本。但是，制造RGBW四色像素，需要一次在彩膜基板上涂布四种色阻，因此导致基板物料成本上升，并且制造过程也比较复杂。
发明内容
为了解决上述技术问题，本申请的目的在于，提供一种彩色滤光层的结构设计，特别是涉及一种显示面板及其制造方法，可以简化RGBW四色系的彩色滤光层的制程，提高生产效率，并取代白色色阻，节省物料成本。
本申请的目的及解决其技术问题是采用以下技术方案来实现的。依据本申请提出的一种显示面板，包括：一第一基板；一第二基板，与所述第一基板相对配置；一遮光层，设置于所述第一基板上，并定义出多个像素区；一彩色滤光层，设置于所述像素区上，其包括一第一色阻层、一第二色阻层、一第三色阻层，以及一第四色阻层；一透明电极层，设置于所述彩色滤光层上；其中，所述第四色阻层包括多个异色系色阻材料由下至上依序叠置形成。
在本申请的一实施例中，所述多个异色系色阻材料包括所述第一色阻层、所述第二色阻层及所述第三色阻层中至少其二的组合材料。
在本申请的一实施例中，所述多个异色系色阻材料的横截面积相等。
在本申请的一实施例中，所述多个异色系色阻材料具有相同、不同或者局部相同的厚度。
在本申请的一实施例中，通过一光源照射所述第四色阻层，所述第四色阻层透出白光或黄光。
本申请的目的及解决其技术问题还可采用以下技术措施进一步实现。
本申请的另一目的为一种显示面板的制造方法，包括：提供一第一基板，及一相对配置的第二基板；设置一遮光层于所述第一基板上，所述遮光层定义出多个像素区；设置一第一色阻层，一第二色阻层，一第三色阻层及一第四色阻层于所述像素区上，以完成一彩色滤光层，其中，所述第四色阻层包括多个异色系色阻材料由下至上依序叠置形成；设置一透明电极层于所述第一基板上，并涵盖所述彩色滤光层。
在本申请的一实施例中，所述多个异色系色阻材料包括所述第一色阻层、所述第二色阻层及所述第三色阻层中至少其二的组合材料。
在本申请的一实施例中，在设置所述第一色阻层、所述第二色阻层、所述第三色阻层的同时，叠置所述多个异色系色阻材料于所述像素区上，以完成所述第四色阻层。
在本申请的一实施例中，所述多个异色系色阻材料的横截面积相等。
在本申请的一实施例中，所述多个异色系色阻材料具有相同、不同或者局部相同的厚度。
本申请的又一目的为一种显示面板，包括：一第一基板；一第二基板，与所述第一基板相对配置；一遮光层，设置于所述第一基板上，并定义出多个像素区；一彩色滤光层，设置于所述像素区上，其包括一第一色阻层、一第二色阻层、一第三色阻层，以及一第四色阻层；一透明电极层， 设置于所述彩色滤光层上；其中，所述第一色阻层为红色色阻材料，所述第二色阻层为绿色色阻材料，所述第三色阻层为蓝色色阻材料；所述第四色阻层包括多个异色系色阻材料由下至上依序叠置形成。
本申请可以简化RGBW四色系的彩色滤光层的制程，提高生产效率，并取代白色色阻，节省物料成本。
附图说明
图1至图3为本申请一实施例的显示面板的制造方法的示意图。
图4为本申请一实施例的显示面板的透光示意图。
图5至图7为本申请另一实施例的显示面板的制造方法的示意图。
图8为本申请另一实施例的显示面板的透光示意图。
具体实施方式
以下各实施例的说明是参考附加的图式，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。
附图和说明被认为在本质上是示出性的，而不是限制性的。在图中，结构相似的单元是以相同标号表示。另外，为了理解和便于描述，附图中示出的每个组件的尺寸和厚度是任意示出的，但是本申请不限于此。
在附图中，为了清晰起见，夸大了层、膜、面板、区域等的厚度。在附图中，为了理解和便于描述，夸大了一些层和区域的厚度。将理解的是，当例如层、膜、区域或基底的组件被称作“在”另一组件“上”时，所述组件可以直接在所述另一组件上，或者也可以存在中间组件。
另外，在说明书中，除非明确地描述为相反的，否则词语“包括”将被理解为意指包括所述组件，但是不排除任何其它组件。此外，在说明书中，“在......上”意指位于目标组件上方或者下方，而不意指必须位于基于重力方向的顶部上。
为更进一步阐述本申请为达成预定发明目的所采取的技术手段及功效，以下结合附图及较佳实施例，对依据本申请提出的一种显示面板及其制造方法，其具体实施方式、结构、特征及其功效，详细说明如后。
本申请的液晶显示面板可包括主动阵列开关基板、彩色滤光层基板与形成于两基板之间的液晶层。
在一实施例中，本申请的显示面板可为曲面型显示面板。
在一实施例中，本申请的主动阵列开关(TFT)及彩色滤光层(CF)可形成于同一基板上。
图1至图3为本申请一实施例的显示面板的制造方法的示意图，请参考图1至图3，在本申请的一实施例中，一种显示面板10的制造方法，包括：提供一第一基板100，及一相对配置的第二基板(图未示)；设置一遮光层110于所述第一基板100上，所述遮光层110定义出多个像素区；设置一第一色阻层121，一第二色阻层122，一第三色阻层123及一第四色阻层124于所述像素区上，以完成一彩色滤光层。其中，所述第四色阻层124包括多个异色系色阻材料由下至上依序叠置形成；设置一透明电极层130于所述第一基板100上，并涵盖所述彩色滤光层。
在一实施例中，所述第一色阻层121可例如为一红色色阻材料，所述第二色阻层122可例如为一绿色色阻材料，所述第三色阻层123可例如为一蓝色色阻材料。
在一实施例中，所述多个异色系色阻材料包括所述第一色阻层121、所述第二色阻层122及所述第三色阻层123中至少其二的组合材料。在本实施例中，所述第四色阻层124，包括三种异色系色阻材料，所述三种异色系色阻材料包括所述红色色阻材料、所述绿色色阻材料及所述蓝色色阻材料。
在一实施例中，在设置所述第一色阻层121、所述第二色阻层122、所述第三色阻层123的同时，通过多个光罩200、210、220，叠置所述多个异色系色阻材料于所述像素区上，以完成所述第四色阻层124。
在一实施例中，所述多个异色系色阻材料，其在有效显示范围内的横截面积，即未被遮光层110遮挡的透光面积相等。
在一实施例中，所述多个异色系色阻材料具有相同、不同或者局部相同的厚度。
在一实施例中，所述遮光层110为一黑色矩阵层，区分各色阻层，以防止混色，提高显示效果。
在一实施例中，所述第二基板(图未示)为一主动阵列开关基板，其可例如为一薄膜晶体管基板。
在一实施例中，所述光罩200、210、220具有一透光区201，一遮光区220，以及一透光率介于0.5％～3％之间的半透光区203。
请再参考图1至图3，一种显示面板10，包括：一第一基板100；一第二基板(图未示)，与所述第一基板相对配置；一遮光层110，设置于所述第一基板100上，并定义出多个像素区；一彩色滤光层，设置于所述像素区上，其包括一第一色阻层121、一第二色阻层122、一第三色阻层123，以及一第四色阻层124；其中，所述第四色阻层124包括多个异色系色阻材料由下至上依序叠置形成；一透明电极层130，设置于所述彩色滤光层上。
在一实施例中，所述第一色阻层121可例如为一红色色阻材料，所述第二色阻层122可例 如为一绿色色阻材料，所述第三色阻层123可例如为一蓝色色阻材料。
在一实施例中，所述多个异色系色阻材料包括所述第一色阻层121、所述第二色阻层122及所述第三色阻层123中至少其二的组合材料。在本实施例中，所述第四色阻层124，包括三种异色系色阻材料，所述三种异色系色阻材料为所述红色色阻材料、所述绿色色阻材料及所述蓝色色阻材料。
在一实施例中，所述多个异色系色阻材料，其在有效显示范围内的横截面积，即未被遮光层110遮挡的透光面积相等。
在一实施例中，所述多个异色系色阻材料具有相同、不同或者局部相同的厚度。
在一实施例中，所述遮光层为一黑色矩阵层，区分各色阻层，以防止混色，提高显示效果。
在一实施例中，所述第二基板(图未示)为一主动阵列开关基板，其可例如为一薄膜晶体管基板。
图4为本申请一实施例的显示面板10的透光示意图，在本实施例中，通过一光源W照射所述显示面板10。其中，所述第一色阻层(红色色阻材料)121透出红光R；所述第二色阻层(绿色色阻材料)122透出绿光G；所述第三色阻层(蓝色色阻材料)123透出蓝光B；所述第四色阻层124通过叠置红色、绿色、蓝色的三层色阻材料的设计，并依据三原色的混合发光，使得所述第四色阻层124最后透出的光为白光W。设计人员可根据三层色阻材料的厚度不同，使最后的透出的白光偏向某个色系，可例如为黄色色系或紫色色系等，使其适用不同的需求。
图5至图7为本申请另一实施例的显示面板的制造方法的示意图，请参考图5至图7，在本申请的一实施例中，一种显示面板20的制造方法，包括：提供一第一基板100，及一相对配置的第二基板(图未示)；设置一遮光层110于所述第一基板100上，所述遮光层110定义出多个像素区；设置一第一色阻层121，一第二色阻层122，一第三色阻层123及一第四色阻层124于所述像素区上，以完成一彩色滤光层。其中，所述第四色阻层124包括多个异色系色阻材料由下至上依序叠置形成；设置一透明电极层130于所述第一基板100上，并涵盖所述彩色滤光层。
在一实施例中，所述第一色阻层121可例如为一红色色阻材料，所述第二色阻层122可例如为一绿色色阻材料，所述第三色阻层123可例如为一蓝色色阻材料。
在一实施例中，所述多个异色系色阻材料包括所述第一色阻层121、所述第二色阻层122及所述第三色阻层123中至少其二的组合材料。在本实施例中，所述第四色阻层124，包括两种异色系色阻材料。在本实施例中，所述两种异色系色阻材料包括所述红色色阻材料及所述绿色色阻材料。
在一实施例中，在设置所述第一色阻层121、所述第二色阻层122的同时，通过多个光罩 240、250，叠置所述多个异色系色阻材料于所述像素区上，以完成所述第四色阻层124。而后通过一光罩260，设置所述第三色阻层123于所述像素区上。
在一实施例中，所述多个异色系色阻材料，其在有效显示范围内的横截面积，即未被遮光层110遮挡的透光面积相等。
在一实施例中，所述多个异色系色阻材料具有相同、不同或者局部相同的厚度。
在一实施例中，所述遮光层110为一黑色矩阵层，区分各色阻层，以防止混色，提高显示效果。
在一实施例中，所述第二基板(图未示)为一主动阵列开关基板，其可例如为一薄膜晶体管基板。
在一实施例中，所述光罩240、250具有一透光区201，一遮光区220，以及一透光率介于0.5％～3％之间的半透光区203；所述光罩260，具有一透光区201以及一遮光区220。
请再参考图5至图7，一种显示面板20，包括：一第一基板100；一第二基板(图未示)，与所述第一基板相对配置；一遮光层110，设置于所述第一基板100上，并定义出多个像素区；一彩色滤光层，设置于所述像素区上，其包括一第一色阻层121、一第二色阻层122、一第三色阻层123，以及一第四色阻124层；其中，所述第四色阻层124包括多个异色系色阻材料由下至上依序叠置形成；一透明电极层130，设置于所述彩色滤光层上。
在一实施例中，所述第一色阻层121可例如为一红色色阻材料，所述第二色阻层122可例如为一绿色色阻材料，所述第三色阻层123可例如为一蓝色色阻材料。
在一实施例中，所述多个异色系色阻材料包括所述第一色阻层121、所述第二色阻层122及所述第三色阻层123中至少其二的组合材料。在本实施例中，所述第四色阻层124，包括两种异色系色阻材料，所述两种异色系色阻材料包括所述红色色阻材料及所述绿色色阻材料。
在一实施例中，所述多个异色系色阻材料，其在有效显示范围内的横截面积，即未被遮光层110遮挡的透光面积相等。
在一实施例中，所述多个异色系色阻材料具有相同、不同或者局部相同的厚度。
在一实施例中，所述遮光层110为一黑色矩阵层，区分各色阻层，以防止混色，提高显示效果。
在一实施例中，所述第二基板(图未示)为一主动阵列开关基板，其可例如为一薄膜晶体管基板。
图8为本申请另一实施例的显示面板20的透光示意图，在本实施例中，通过一光源W照射所述显示面板20。其中，所述第一色阻层(红色色阻材料)121透出红光R；所述第二色阻层(绿色 色阻材料)122透出绿光G；所述第三色阻层(蓝色色阻材料)123透出蓝光B；所述第四色阻层124通过叠置红色、绿色的双层色阻材料的设计，并依据三原色的混合发光，使得所述第四色阻层124最后透出的光为黄光Y。
在一实施例中，所述第四色阻层124亦可例如为红色色阻材料以及蓝色色阻材料的双层结构，或是绿色色阻材料以及蓝色色阻材料的双层结构。通过不同色系色阻的搭配，使得所述第四色阻124透出的光为品红色系光或青色色系光，并通过调节双层色阻材料的厚度，使最后的透出的光偏向某个色系。本文为举例说明本申请的实施可能，而非对其加以限制，所述第四色阻层124的配置，依据设计人员的设计而定。
本申请通过对彩色滤光层的简化设计，利用三原色发光原理，可以简化RGBW四色系的彩色滤光层的制程，提高生产效率，以红绿蓝三色的色阻材料取代白色色阻材料，节省物料成本。
“在一些实施例中”及“在各种实施例中”等用语被重复地使用。所述用语通常不是指相同的实施例；但它也可以是指相同的实施例。“包含”、“具有”及“包括”等用词是同义词，除非其前后文意显示出其它意思。
以上所述，仅是本申请的较佳实施例而已，并非对本申请作任何形式上的限制，虽然本申请已以较佳实施例揭露如上，然而并非用以限定本申请，任何熟悉本专业的技术人员，在不脱离本申请技术方案范围内，当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本申请技术方案的内容，依据本申请的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本申请技术方案的范围内。

Claims (15)

  1. 一种显示面板，包括：
    一第一基板；
    一第二基板，与所述第一基板相对配置；
    一遮光层，设置于所述第一基板上，并定义出多个像素区；
    一彩色滤光层，设置于所述像素区上，其包括一第一色阻层、一第二色阻层、一第三色阻层，以及一第四色阻层；
    一透明电极层，设置于所述彩色滤光层上；
    其中，所述第四色阻层包括多个异色系色阻材料由下至上依序叠置形成。
  2. 如权利要求1所述的显示面板，其中，所述多个异色系色阻材料包括所述第一色阻层、所述第二色阻层及所述第三色阻层中至少其二的组合材料。
  3. 如权利要求1所述的显示面板，其中，所述多个异色系色阻材料的横截面积相等。
  4. 如权利要求1所述的显示面板，其中，所述多个异色系色阻材料具有相同的厚度。
  5. 如权利要求1所述的显示面板，其中，所述多个异色系色阻材料具有不同的厚度。
  6. 如权利要求1所述的显示面板，其中，所述多个异色系色阻材料具有局部相同的厚度。
  7. 如权利要求1所述的显示面板，通过一光源照射所述第四色阻层，所述第四色阻层透出白光或黄光。
  8. 一种显示面板的制造方法，包括：
    提供一第一基板，及一相对配置的第二基板；
    设置一遮光层于所述第一基板上，所述遮光层定义出多个像素区；
    设置一第一色阻层，一第二色阻层，一第三色阻层及一第四色阻层于所述像素区上，以完成一彩色滤光层，其中，所述第四色阻层包括多个异色系色阻材料由下至上依序叠置形成；
    设置一透明电极层于所述第一基板上，并涵盖所述彩色滤光层。
  9. 如权利要求8所述的显示面板的制造方法，其中，所述多个异色系色阻材料包括所述第一色阻层、所述第二色阻层及所述第三色阻层中至少其二的组合材料。
  10. 如权利要求8所述的显示面板的制造方法，其中，在设置所述第一色阻层、所述第二色阻层、所述第三色阻层的同时，叠置所述多个异色系色阻材料于所述像素区上，以完成所述第四色阻层。
  11. 如权利要求8所述的显示面板的制造方法，其中，所述多个异色系色阻材料的横截面积相等。
  12. 如权利要求8所述的显示面板的制造方法，其中，所述多个异色系色阻材料具有相同的厚度。
  13. 如权利要求8所述的显示面板的制造方法，其中，所述多个异色系色阻材料具有不同的厚度。
  14. 如权利要求8所述的显示面板的制造方法，其中，所述多个异色系色阻材料具有局部相同的厚度。
  15. 一种显示面板，包括：
    一第一基板；
    一第二基板，与所述第一基板相对配置；
    一遮光层，设置于所述第一基板上，并定义出多个像素区；
    一彩色滤光层，设置于所述像素区上，其包括一第一色阻层、一第二色阻层、一第三色阻层，以及一第四色阻层；
    一透明电极层，设置于所述彩色滤光层上；
    其中，所述第一色阻层为红色色阻材料，所述第二色阻层为绿色色阻材料，所述第三色阻层为蓝色色阻材料；
    其中，所述第四色阻层包括多个异色系色阻材料由下至上依序叠置形成。
PCT/CN2018/073766 2017-11-03 2018-01-23 显示面板及其制造方法 Ceased WO2019085288A1 (zh)

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CN107608125A (zh) * 2017-11-03 2018-01-19 惠科股份有限公司 显示面板及其制造方法
CN108732806A (zh) * 2018-05-29 2018-11-02 上海天马微电子有限公司 显示面板、显示装置和显示面板的制造方法
CN109407427B (zh) * 2018-11-05 2021-01-08 惠科股份有限公司 一种显示面板和显示装置
CN111223892B (zh) * 2019-11-11 2022-08-23 深圳市华星光电半导体显示技术有限公司 显示面板及显示终端

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