WO2013174113A1 - Dispositif d'affichage, substrat de film coloré et son procédé de fabrication - Google Patents

Dispositif d'affichage, substrat de film coloré et son procédé de fabrication Download PDF

Info

Publication number
WO2013174113A1
WO2013174113A1 PCT/CN2012/084899 CN2012084899W WO2013174113A1 WO 2013174113 A1 WO2013174113 A1 WO 2013174113A1 CN 2012084899 W CN2012084899 W CN 2012084899W WO 2013174113 A1 WO2013174113 A1 WO 2013174113A1
Authority
WO
WIPO (PCT)
Prior art keywords
pixel layer
color
solid
layer
color pixel
Prior art date
Application number
PCT/CN2012/084899
Other languages
English (en)
Chinese (zh)
Inventor
石岳
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2013174113A1 publication Critical patent/WO2013174113A1/fr

Links

Classifications

    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties

Definitions

  • Embodiments of the present invention relate to a display device, a color filter substrate, and a method of fabricating the same. Background technique
  • the main structure of the TFT-LCD is composed of an array substrate, a color filter substrate, a polarizing plate, and a backlight.
  • the array substrate and the color filter substrate are packaged in a liquid crystal box to form a liquid crystal cell.
  • the color filter substrate is used to provide color to the display.
  • the structure of the color filter substrate is, for example, a black matrix and a color pixel layer on the glass substrate, and the color pixel layer is, for example, a red pixel layer, a green pixel layer, and a blue pixel layer.
  • Above the color pixel layer is provided a flat layer for flattening the color pixel layer, and the flat layer is provided with a spacer for supporting the liquid crystal cell.
  • the existing liquid crystal display is relatively thick because the structures on the color filter substrate are solid structures, and when the liquid crystal display is in a specific environment such as high temperature and high pressure, the liquid crystal molecules are likely to sink under the combined effects of high temperature and gravity. Further, the lower edge of the liquid crystal display is prone to color unevenness (ie, the gravity mura effect), which greatly affects the display effect of the image.
  • the color pixel layer in the color film substrate generally only includes three primary color (red, green, blue) pixel layers, so that the color display of the image is too singular, which limits the visual effect of the image, so that the user's viewing feeling is not high. Summary of the invention
  • An embodiment of the present invention provides a color filter substrate, including: a substrate, a black matrix and a color pixel layer formed on the substrate, and a spacer formed over the color pixel layer, wherein the black matrix, color At least one of the pixel layer and the spacer is a hollow body structure.
  • Another embodiment of the present invention provides a display device including the above color film substrate.
  • Yet another embodiment of the present invention provides a method of fabricating a color filter substrate, comprising: forming a solid on a substrate a black matrix and a solid color pixel layer; a solid spacer formed on the substrate on which the above steps are performed; at least one of the solid black matrix, the solid color pixel layer and the solid spacer is formed into a hollow body structure.
  • FIG. 1 is a schematic structural view of a color filter substrate according to a first embodiment of the present invention
  • FIG. 2 is a schematic structural view of a color filter substrate according to a second embodiment of the present invention.
  • One of the technical problems to be solved by the present invention is to provide a display device, a color filter substrate, and a manufacturing method thereof, which overcome the defects of the prior art display device having a heavy structure, a single color, and a gravity mura effect.
  • the color filter substrate of this embodiment includes: a substrate 1, a black matrix 2 and a color pixel layer disposed on the substrate 1, the color pixel layer including at least a red pixel layer 3, a green pixel layer 4, and a blue layer.
  • Pixel layer 5 A spacer 6 is disposed above the color pixel layer; a flat layer 7 may be disposed between the color pixel layer and the spacer for flattening the surface of the color pixel layer.
  • the color pixel layer includes a red pixel layer, a green pixel layer, and a blue pixel layer.
  • the color pixel layer may further include a white pixel layer, a yellow pixel layer, or a pixel layer of other colors depending on the actual display of the color of the image.
  • At least one of the black matrix 2, the color pixel layer, and the spacer 6 is a hollow body.
  • the spacer 6 is a hollow body.
  • the phenomenon of sinking causes the unevenness of the color at the lower edge of the liquid crystal panel (ie, the effect of gravity mura), affecting the image display of the screen, and setting the spacer to a hollow body structure, which can effectively prevent the liquid crystal panel from generating gravity in a high temperature environment.
  • the mura effect improves the quality of the display image of the liquid crystal panel and improves the user experience.
  • the method for fabricating the color filter substrate in the first embodiment of the present invention includes, for example:
  • Step 1 On the glass substrate, a black matrix is formed by a patterning process.
  • This patterning process may employ a conventional patterning process in the prior art, and may include, for example, masking, exposure, etching, and cleaning.
  • Step 2 forming a color pixel layer by a patterning process on the substrate on which the above steps are completed.
  • the color pixel layer includes a red pixel layer, a green pixel layer, and a blue pixel layer.
  • Step 3 A planarization layer is formed on the color pixel layer using a patterning process for flattening the surface of the color pixel layer.
  • Step 4 Apply a negative photoresist to the flat layer and form a solid structure spacer using a patterning process.
  • Step 5 Apply a layer of positive photoresist to the structure of the solid spacer. After masking, exposing and controlling the exposure amount, a plurality of pores are formed in the positive photoresist layer, and the pores expose positiveness. A portion of the outer surface of the solid spacer under the photoresist layer, during which the negative photoresist of the spacer is not dissolved.
  • Step 6 using an organic solvent to penetrate the pores formed in the positive photoresist layer, dissolve the negative lithography of the portion of the solid spacer under the positive photoresist, and dissolve the negative lithography
  • the glue flows out of the pores as the organic solution forms a spacer of a hollow structure.
  • the organic solvent only chemically reacts with the negative photoresist, but does not chemically react with the positive photoresist.
  • the organic solvent may, for example, be selected from a solution having a concentration of 0.04% KOH or 2.38% of a TMAH (tetradecyl ammonium hydroxide) solution or a solution having a certain concentration of Na 2 CO 3 . Thereafter, a positive photoresist layer in which voids are formed can be removed.
  • the color filter substrate of this embodiment includes: a substrate 1 and a black matrix 2 and a color pixel layer disposed on the substrate 1, the color pixel layer including a red pixel layer 3, a green pixel layer 4, and a blue pixel. Layer 5.
  • the color pixel layer is provided with a flat layer 7 for flattening the surface of the color pixel layer, and the flat layer 7 is provided with a spacer 6.
  • the color pixel layer is provided as a hollow body. It should be understood that although the spacer 6 is formed on the flat layer in the color filter substrate in the present embodiment, In the embodiment, the spacer may also be formed on the array substrate while being in contact with the flat layer in the color filter substrate without adhering.
  • the color pixel layer By arranging the color pixel layer as a hollow body, the weight of the color filter substrate can be effectively reduced, thereby reducing the weight of the final product, and making the product thinner and lighter.
  • the color pixel layer is disposed as a hollow body, so that the hollow color pixel layer can add pigments of other colors different from red, green, and blue, so that the range of display colors is further expanded to improve the display quality of the image.
  • the method for fabricating the color filter substrate in the second embodiment of the present invention includes, for example:
  • Step 1 A black matrix is formed on the glass substrate by a patterning process.
  • This patterning process may employ a conventional patterning process in the prior art, and may include, for example, masking, exposure, etching, and cleaning.
  • Step 2 Apply a negative photoresist on the substrate on which the above steps are completed, and form a solid color pixel layer by a patterning process.
  • the color pixel layer includes a red pixel layer, a green pixel layer, and a blue pixel layer.
  • Step 3 Apply a layer of positive photoresist on the outer surface of the solid color pixel layer, and through masking, exposing and controlling the exposure amount, forming a plurality of pores in the positive photoresist layer to expose the underlying layer A portion of the outer surface of the solid color pixel layer.
  • the negative photoresist of the color pixel layer is not dissolved.
  • Step 4 using an organic solvent to pass through the pores formed in the positive photoresist layer, and dissolve the negative photoresist of the portion of the color pixel layer under the positive photoresist, and dissolve the negative
  • the photoresist flows out of the pores as the organic solution forms a color pixel layer of a hollow structure. Thereafter, a positive photoresist layer in which voids are formed can be removed.
  • Step 5 A planarization layer is formed on the color pixel layer of the hollow structure by a patterning process for flattening the surface of the color pixel layer.
  • Step 6 Forming a spacer on the substrate on which the above steps are completed by a patterning process.
  • the black matrix of the hollow body may be fabricated by the above method, or a plurality of color film substrates having the same hollow structure may be fabricated.
  • embodiments of the present invention also provide a display device including the color film substrate described above.
  • the display device can be, for example, a computer, a flat panel display, a cell phone or other existing electronic display device.
  • the display device, the color film substrate and the manufacturing method thereof provided by the invention can effectively reduce the weight of the color film substrate by using any structure in the color film substrate as a hollow body, thereby reducing the weight of the final product and making the product more Light and thin. At the same time, it can effectively avoid the gravity mura effect of the display device, and provide an implementation basis for adding pigments of other colors in the color pixel layer. Improve the quality of the displayed image and improve the user experience.
  • a color filter substrate comprising: a substrate, a black matrix and a color pixel layer formed on the substrate, and a spacer formed over the color pixel layer, wherein the black matrix, the color pixel layer, and the spacer At least one of the mats has a hollow body structure.
  • the color pixel layer includes at least a red pixel layer, a green pixel layer, and a blue pixel layer.
  • color filter substrate according to (1) or (2), wherein the color pixel layer is a hollow body structure, and the color pixel layer includes, in addition to the red pixel layer, the green pixel layer, and the blue pixel layer, White pixel layer, yellow pixel layer, or pixel layer of other colors.
  • a display device comprising the color filter substrate of any one of (1) to (4).
  • a method for producing a color film substrate comprising:
  • At least one of the solid black matrix, the solid color pixel layer, and the solid spacer is formed into a hollow body structure.

Landscapes

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

Abstract

L'invention concerne un dispositif d'affichage, un substrat de film coloré et un procédé de fabrication de celui-ci. Le substrat de film coloré comprend : un substrat (1), une matrice noire (2) et des couches de pixel coloré (3, 4, 5) formées sur le substrat, et un espaceur (6) formé au-dessus des couches de pixel coloré (3, 4, 5). Au moins l'un de la matrice noire (2), des couches de pixel coloré (3, 4, 5), et de l'espaceur possède une structure creuse. La structure creuse peut réduire le poids du dispositif d'affichage, de telle sorte que des produits soient plus légers et plus fins ; un effet mura par gravité du dispositif d'affichage est évité de manière efficace, et la qualité des images affichées est améliorée.
PCT/CN2012/084899 2012-05-25 2012-11-20 Dispositif d'affichage, substrat de film coloré et son procédé de fabrication WO2013174113A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012101680836A CN102707485A (zh) 2012-05-25 2012-05-25 一种显示装置、彩膜基板及其制作方法
CN201210168083.6 2012-05-25

Publications (1)

Publication Number Publication Date
WO2013174113A1 true WO2013174113A1 (fr) 2013-11-28

Family

ID=46900397

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/084899 WO2013174113A1 (fr) 2012-05-25 2012-11-20 Dispositif d'affichage, substrat de film coloré et son procédé de fabrication

Country Status (2)

Country Link
CN (1) CN102707485A (fr)
WO (1) WO2013174113A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102707485A (zh) * 2012-05-25 2012-10-03 京东方科技集团股份有限公司 一种显示装置、彩膜基板及其制作方法
CN103852929A (zh) * 2014-03-04 2014-06-11 京东方科技集团股份有限公司 阵列基板以及显示装置
CN104062844A (zh) * 2014-06-11 2014-09-24 京东方科技集团股份有限公司 用于制作彩膜基板的彩膜单元的掩膜版和方法
CN104252062B (zh) * 2014-07-04 2017-10-17 京东方科技集团股份有限公司 显示基板及其制造方法、显示装置
CN105974642A (zh) * 2016-06-27 2016-09-28 京东方科技集团股份有限公司 一种彩膜基板及其制备方法、显示面板
CN109239987B (zh) * 2018-11-12 2020-09-04 惠科股份有限公司 彩膜基板加工方法
CN110824784B (zh) * 2019-10-24 2022-04-26 Tcl华星光电技术有限公司 显示面板及其制备方法
CN111192977B (zh) * 2020-02-17 2022-09-02 京东方科技集团股份有限公司 一种基板及其制造方法、显示面板和显示装置
CN111142291B (zh) * 2020-02-18 2022-11-25 Tcl华星光电技术有限公司 液晶显示面板及其制备方法
CN115469486B (zh) * 2022-08-26 2024-04-19 广州华星光电半导体显示技术有限公司 显示面板及其制作方法
CN115407566B (zh) * 2022-08-29 2024-04-16 Tcl华星光电技术有限公司 显示面板、终端、光刻胶及显示面板的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1274092A (zh) * 1999-04-30 2000-11-22 松下电器产业株式会社 液晶显示元件及其制造方法
US20080074590A1 (en) * 2006-09-21 2008-03-27 Young-Bae Jung Color filter substrate and liquid crystal display apparatus having the same
CN201853031U (zh) * 2010-11-23 2011-06-01 京东方科技集团股份有限公司 彩膜基板和液晶显示器
JP2011150115A (ja) * 2010-01-21 2011-08-04 Toppan Printing Co Ltd カラーフィルタ基板及びその製造方法
CN102707485A (zh) * 2012-05-25 2012-10-03 京东方科技集团股份有限公司 一种显示装置、彩膜基板及其制作方法
CN202548492U (zh) * 2012-03-31 2012-11-21 京东方科技集团股份有限公司 一种隔垫物、液晶面板及液晶显示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2987794B2 (ja) * 1993-02-01 1999-12-06 キヤノン株式会社 液晶表示装置
US6221543B1 (en) * 1999-05-14 2001-04-24 3M Innovatives Properties Process for making active substrates for color displays

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1274092A (zh) * 1999-04-30 2000-11-22 松下电器产业株式会社 液晶显示元件及其制造方法
US20080074590A1 (en) * 2006-09-21 2008-03-27 Young-Bae Jung Color filter substrate and liquid crystal display apparatus having the same
JP2011150115A (ja) * 2010-01-21 2011-08-04 Toppan Printing Co Ltd カラーフィルタ基板及びその製造方法
CN201853031U (zh) * 2010-11-23 2011-06-01 京东方科技集团股份有限公司 彩膜基板和液晶显示器
CN202548492U (zh) * 2012-03-31 2012-11-21 京东方科技集团股份有限公司 一种隔垫物、液晶面板及液晶显示装置
CN102707485A (zh) * 2012-05-25 2012-10-03 京东方科技集团股份有限公司 一种显示装置、彩膜基板及其制作方法

Also Published As

Publication number Publication date
CN102707485A (zh) 2012-10-03

Similar Documents

Publication Publication Date Title
WO2013174113A1 (fr) Dispositif d'affichage, substrat de film coloré et son procédé de fabrication
WO2017008369A1 (fr) Panneau d'affichage à cristaux liquides de type coa et son procédé de fabrication
WO2015081732A1 (fr) Substrat de filtre coloré, procédé de fabrication de ce dernier, et appareil d'affichage
WO2017084149A1 (fr) Procédé de fabrication de substrat de filtre coloré
WO2017080025A1 (fr) Procédé de fabrication de filtre coloré et filtre coloré
WO2014131257A1 (fr) Substrat de film multicolore, procédé de fabrication de ce dernier et appareil d'affichage
WO2014205998A1 (fr) Substrat en coa et son procédé de fabrication, et dispositif d'affichage
WO2013181899A1 (fr) Substrat de réseau intégré avec film couleur, procédé de fabrication et dispositif d'affichage
TW200903118A (en) Liquid crystal display device and method for fabricating the same
CN106154655A (zh) 一种阵列基板及其制造方法、显示装置及驱动方法
WO2013159542A1 (fr) Substrat de réseau de transistor en couche mince et procédé de fabrication et dispositif d'affichage le comprenant
CN106980199A (zh) 一种透明显示器及其制造工艺
WO2017152469A1 (fr) Procédé de préparation pour substrat de film coloré et substrat de film coloré préparé
WO2014134886A1 (fr) Substrat de filtre coloré, procédé de fabrication associé, et écran à cristaux liquides
WO2015027594A1 (fr) Substrat de film coloré et son procédé de préparation, et dispositif d'affichage
WO2014153861A1 (fr) Procédé de préparation destiné à un substrat de réseau coa, substrat de réseau et dispositif d'affichage
WO2014173093A1 (fr) Substrat d'affichage, dispositif d'affichage le comprenant et procédé de fabrication de substrat d'affichage
US9513413B2 (en) Display device, color filter substrate and manufacturing method thereof
WO2015043023A1 (fr) Procédé de fabrication d'un substrat de réseau tft-lcd, panneau à cristaux liquides et afficheur à cristaux liquides
TW594423B (en) A color filter manufacturing method for a plastic substrate
WO2013078719A1 (fr) Procédé et dispositif permettant de fabriquer un substrat de film filtrant coloré
WO2017012145A1 (fr) Procédé de préparation de filtre coloré
JP2001033790A (ja) 液晶表示装置及び液晶表示装置の製造方法
CN103592798B (zh) 一种具有设定高度的隔垫物及其制作方法
WO2018196193A1 (fr) Substrat de réseau, son procédé de fabrication, et panneau d'affichage

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12877166

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 10.03.2015)

122 Ep: pct application non-entry in european phase

Ref document number: 12877166

Country of ref document: EP

Kind code of ref document: A1