WO2020062447A1 - Panneau d'affichage et dispositif d'affichage - Google Patents

Panneau d'affichage et dispositif d'affichage Download PDF

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Publication number
WO2020062447A1
WO2020062447A1 PCT/CN2018/114061 CN2018114061W WO2020062447A1 WO 2020062447 A1 WO2020062447 A1 WO 2020062447A1 CN 2018114061 W CN2018114061 W CN 2018114061W WO 2020062447 A1 WO2020062447 A1 WO 2020062447A1
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WO
WIPO (PCT)
Prior art keywords
substrate
spacer
display panel
layer
layers
Prior art date
Application number
PCT/CN2018/114061
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English (en)
Chinese (zh)
Inventor
李泽尧
Original Assignee
惠科股份有限公司
重庆惠科金渝光电科技有限公司
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.)
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Publication date
Application filed by 惠科股份有限公司, 重庆惠科金渝光电科技有限公司 filed Critical 惠科股份有限公司
Publication of WO2020062447A1 publication Critical patent/WO2020062447A1/fr

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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
    • 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

Definitions

  • the present application relates to the field of display technology, and in particular, to a display panel and a display device.
  • Liquid crystal display (Liquid Crystal Display, LCD) has many advantages such as thin body, power saving, no radiation, etc., and has been widely used.
  • the liquid crystal layer in the liquid crystal display panel of the liquid crystal display is often provided with a spacer (Photo Spacer, PS) for supporting the first substrate and the second substrate.
  • a spacer Photo Spacer, PS
  • the liquid crystal display is often affected by the environmental pressure during use. The force of the spacer will change, causing the spacer to deform to some extent.
  • the spacer is disposed between the BM (Black Matrix) layer of the second substrate and the metal layer of the first substrate plus two insulating layers.
  • BM Black Matrix
  • the spacer is subjected to a force change, a larger distance occurs.
  • Deformation causes the box thickness of the liquid crystal display to change to a large extent, which easily causes problems such as vacuum bubbles (bubbles) or gravity mura (referring to the phenomenon that the brightness of the display is uneven and causes various traces). Therefore, the conventional liquid crystal display has the disadvantage of low reliability.
  • a display panel and a display device are provided.
  • a display panel includes:
  • a liquid crystal layer disposed between the first substrate and the second substrate;
  • a portion of the second substrate in contact with the spacer is provided with a black matrix layer and two or more color resist layers.
  • a portion of the first substrate that is in contact with the spacer is provided with an insulating layer and two or more conductive layers.
  • the material of the conductive layer is graphene.
  • an active layer is further provided on a portion of the first substrate that is in contact with the spacer.
  • a portion of the first substrate that is in contact with the spacer is provided with one active layer, two conductive layers, and two insulating layers.
  • the number of the color resist layers is three layers.
  • the color resist layers are a red color resist layer, a green color resist layer, and a blue color resist layer, respectively.
  • the number of the spacers is plural, and the number of the color resist layers provided in a portion of the second substrate that is in contact with each of the spacers is not completely the same.
  • a part of the color resist layer of the second substrate in contact with the spacer is provided as two layers, and another part of the color resist layer of the second substrate in contact with the spacer is provided as Three floors.
  • the number of the spacers is plural, and the number of the color resist layers provided on a portion of the second substrate that is in contact with each of the spacers is completely the same.
  • a plurality of the spacers are uniformly distributed on the liquid crystal display layer.
  • the materials and shapes of the plurality of spacers are the same.
  • the first substrate is an array substrate
  • the second substrate is a color filter substrate
  • a display device includes a backlight module and a display panel.
  • the display panel includes:
  • a liquid crystal layer disposed between the first substrate and the second substrate;
  • a portion of the second substrate in contact with the spacer is provided with a black matrix layer and two or more color resist layers.
  • the display device further includes:
  • a first polarizer disposed on a side of the second substrate away from the liquid crystal layer;
  • a second polarizer is disposed on a side of the first substrate away from the liquid crystal layer.
  • the backlight module is an edge-lit backlight module.
  • FIG. 1 is a schematic structural diagram of a display panel according to an embodiment
  • FIG. 2 is a schematic structural diagram of a display panel in another embodiment
  • FIG. 3 is a schematic structural diagram of a display panel in another embodiment.
  • the second substrate 10 further includes a substrate body 13, and the black matrix layer 11 and the color resist layer 12 are sequentially stacked on the substrate body 13.
  • the second substrate 10 (Color Filter) is an optical filter substrate that expresses colors. It can accurately select light that passes through a certain band range and reflects light in other bands.
  • the basic structure of the second substrate 10 is composed of a transparent substrate (Glass Substrate), a black matrix (Black matrix), a color resist layer (Color layer), a protective layer (Over Coat), and an ITO conductive film.
  • the material of the transparent substrate is generally glass or plastic, and glass substrates are commonly used; the materials that make up the black matrix are distributed on the transparent substrate to prevent light leakage and provide light shielding for TTF (Thin Film Transistor, thin film transistor); color resistance
  • the layers are generally obtained by using pigments or dyes as colorants to obtain three primary colors of R (red), G (green), and B (blue).
  • the material of the black matrix can be either an organic material or an inorganic material.
  • the specific material to be used can be selected differently according to the actual situation, as long as it can prevent light leakage and light shielding.
  • the total length that is, the height H of the spacer 31 When the value of
  • the amount of deformation will be reduced accordingly. That is, when the height H of the spacer 31 is reduced, when the display panel is subjected to the same amount of force as a conventional display panel, a smaller amount of change occurs, and the corresponding change in the thickness L of the display panel will also Reduced, thereby reducing the possibility that the variation of the box thickness L exceeds the limit, effectively reducing the risk of vacuum bubbles or gravity mura of the display panel.
  • the three color resist layers 12 disposed on the contact surface between the second substrate 10 and the spacer 31 are a red color resist layer 12, a green color resist layer 12, and a blue color resist layer 12, respectively.
  • the number of color resist layers 12 is not unique, and is not limited to the three color resist layers 12 in this embodiment, but may also be two color resist layers 12, four color resist layers 12, and five color resists.
  • the layer 12 or the like may be any one that can reduce the height H of the spacer 31.
  • the color selection of the color resist layer 12 is not unique, and different selections can be made according to actual application scenarios.
  • an insulating layer 22 and two or more conductive layers 21 are disposed on a portion of the first substrate 20 that is in contact with the spacer 31.
  • the material of the conductive layer 21 is graphene. It is a two-dimensional carbon nanomaterial with hexagonal honeycomb lattice composed of carbon atoms with sp2 hybrid orbits. Graphene is widely used in physics, materials, and electronic information technology due to its excellent optical, electrical, and mechanical characteristics. field. It can be understood that, in other embodiments, other materials may be used as the material of the conductive layer 21.
  • the shape of the spacer 31 may be a circle, an ellipse, a circular truncated cone or a cylindrical shape, and the specific form of the spacer 31 may be selected according to actual conditions.
  • all the spacers 31 use the same shape and the same material of the spacers 31. When the same external force is applied, the same deformation occurs, which also improves the reliability of the display panel.
  • the side of the first substrate 20 that is in contact with the spacer 31 is further provided with an active layer 23.
  • the first substrate 20 includes an active layer 23, a conductive layer 21, a source, and a drain disposed on the substrate.
  • the conductive layer 21 is disposed on opposite sides of the active layer 23 and is in contact with the active layer 23.
  • the electrodes and the drain are respectively disposed on the conductive layers 21 on opposite sides of the active layer 23. Therefore, an active layer 23, a conductive layer 21, and an insulating layer 22 may be provided on a contact surface between the first substrate 20 and the spacer 31 to reduce the height H of the spacer 31.
  • a liquid crystal material is placed between two transparent conductive glasses attached with a polarizer having a vertical optical axis, and the liquid crystal molecules are distributed parallel to the transparent conductive glass when no voltage is applied, and the two transparent conductive glasses are respectively arranged on the two transparent conductive glasses.
  • Alignment films oriented perpendicular to each other, the liquid crystal molecules are sequentially rotated and arranged in the direction of the fine grooves of the alignment film. If no electric field is applied, light is incident from the second polarizer, and its polarization direction is rotated 90 degrees according to the arrangement of the liquid crystal molecules.
  • the first polarizer is emitted, and it is in a bright state at this time.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

Un panneau d'affichage et un dispositif d'affichage, le panneau d'affichage comprenant un premier substrat, une couche de cristaux liquides et un second substrat; la couche de cristaux liquides est pourvue d'un élément d'espacement; et une couche de matrice noire et au moins deux couches de barrière de couleur sont disposées au niveau de la partie où le second substrat et l'élément d'espacement établissent un contact.
PCT/CN2018/114061 2018-09-28 2018-11-06 Panneau d'affichage et dispositif d'affichage WO2020062447A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821589429.9U CN208969389U (zh) 2018-09-28 2018-09-28 显示面板及显示装置
CN201821589429.9 2018-09-28

Publications (1)

Publication Number Publication Date
WO2020062447A1 true WO2020062447A1 (fr) 2020-04-02

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PCT/CN2018/114061 WO2020062447A1 (fr) 2018-09-28 2018-11-06 Panneau d'affichage et dispositif d'affichage

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CN (1) CN208969389U (fr)
WO (1) WO2020062447A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007101992A (ja) * 2005-10-06 2007-04-19 Toppan Printing Co Ltd 液晶表示装置用カラーフィルタ及びその製造方法
JP2008158138A (ja) * 2006-12-22 2008-07-10 Dainippon Printing Co Ltd カラーフィルタ基板および液晶表示装置
CN103149729A (zh) * 2013-03-01 2013-06-12 京东方科技集团股份有限公司 一种彩膜基板及其制作方法、显示装置
CN104166265A (zh) * 2014-06-16 2014-11-26 京东方科技集团股份有限公司 一种彩色滤光片基板及其制备方法、有机发光显示面板、显示装置
CN107065316A (zh) * 2017-04-24 2017-08-18 惠科股份有限公司 液晶面板及其制造方法
CN107402471A (zh) * 2017-09-07 2017-11-28 深圳市华星光电半导体显示技术有限公司 液晶显示面板及其制作方法
CN109031766A (zh) * 2018-09-13 2018-12-18 惠科股份有限公司 彩色滤光片及其制作方法和显示面板

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007101992A (ja) * 2005-10-06 2007-04-19 Toppan Printing Co Ltd 液晶表示装置用カラーフィルタ及びその製造方法
JP2008158138A (ja) * 2006-12-22 2008-07-10 Dainippon Printing Co Ltd カラーフィルタ基板および液晶表示装置
CN103149729A (zh) * 2013-03-01 2013-06-12 京东方科技集团股份有限公司 一种彩膜基板及其制作方法、显示装置
CN104166265A (zh) * 2014-06-16 2014-11-26 京东方科技集团股份有限公司 一种彩色滤光片基板及其制备方法、有机发光显示面板、显示装置
CN107065316A (zh) * 2017-04-24 2017-08-18 惠科股份有限公司 液晶面板及其制造方法
CN107402471A (zh) * 2017-09-07 2017-11-28 深圳市华星光电半导体显示技术有限公司 液晶显示面板及其制作方法
CN109031766A (zh) * 2018-09-13 2018-12-18 惠科股份有限公司 彩色滤光片及其制作方法和显示面板

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