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WO2020082581A1 - Panneau d'affichage et dispositif d'affichage - Google Patents

Panneau d'affichage et dispositif d'affichage Download PDF

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Publication number
WO2020082581A1
WO2020082581A1 PCT/CN2018/123881 CN2018123881W WO2020082581A1 WO 2020082581 A1 WO2020082581 A1 WO 2020082581A1 CN 2018123881 W CN2018123881 W CN 2018123881W WO 2020082581 A1 WO2020082581 A1 WO 2020082581A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
layer
base layer
liquid crystal
color filter
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/CN2018/123881
Other languages
English (en)
Chinese (zh)
Inventor
廖炳杰
周明忠
刘克远
胡安乐
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Publication of WO2020082581A1 publication Critical patent/WO2020082581A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • 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
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements

Definitions

  • the present application relates to a display technology, in particular to a display panel and a display device.
  • the display panel includes a color filter substrate 10 ', a liquid crystal layer 20' and an array substrate 30 '.
  • the red-green-blue (RGB) three-color quantum dot (QD) material 12 ' is produced on the glass substrate 11' of the color filter substrate 10 'first, and then produced Indium tin oxide transparent conductive film (Indium Tin Oxide, ITO) / polyimide film (Polyimide, PI) layer material 13 '. Since the annealing temperature of the ITO / PI material is about 550 ° C, the high temperature environment will destroy the particles of the QD material and seriously affect the material properties. Therefore, the final rendering effect of the panel quantum dot technology is affected.
  • the embodiments of the present application provide a display panel to solve the technical problem that the existing display panel may destroy the particles of the QD material when the ITO / PI material annealing process is performed in a high-temperature environment, which seriously affects the material characteristics.
  • An embodiment of the present application provides a display panel, which includes a color filter structure, an array substrate, and a liquid crystal layer disposed between the color filter structure and the array substrate;
  • the color filter structure includes:
  • a first substrate provided on the liquid crystal layer, for supplying voltage to the liquid crystal layer and cooperating with electrodes of the array substrate to control the deflection amplitude of the liquid crystal;
  • a second substrate disposed on a side of the first substrate facing away from the liquid crystal layer, for selecting a specific light wave
  • the second substrate includes a second base layer and a color filter layer provided on the second base layer with a plurality of color resistive units, the plurality of color resistive units are filled with red quantum dot materials, respectively Green quantum dot material and blue quantum dot material;
  • the first substrate includes a first base layer and an ITO thin film layer disposed on the first base layer, the ITO thin film layer is disposed on a side of the first base layer facing the liquid crystal layer;
  • the color filter layer is disposed on the side of the second base layer facing the first substrate.
  • the first substrate and the second substrate are fixedly connected by sealant.
  • both the first base layer and the second base layer are transparent glass substrates.
  • the array substrate includes a glass base layer and a thin film transistor array layer disposed on the glass base layer.
  • An embodiment of the present application provides another display panel, which includes a color filter structure, an array substrate, and a liquid crystal layer disposed between the color filter structure and the array substrate;
  • the color filter structure includes:
  • a first substrate provided on the liquid crystal layer, for supplying voltage to the liquid crystal layer and cooperating with electrodes of the array substrate to control the deflection amplitude of the liquid crystal;
  • a second substrate disposed on a side of the first substrate facing away from the liquid crystal layer, for selecting a specific light wave
  • the second substrate includes a second base layer and a color filter layer provided on the second base layer with a plurality of color resistive units, the plurality of color resistive units are filled with red quantum dot materials, respectively Green quantum dot material and blue quantum dot material.
  • the first substrate includes a first base layer and an ITO thin film layer disposed on the first base layer, the ITO thin film layer is disposed on the first base layer facing the On one side of the liquid crystal layer.
  • the color filter layer is disposed on a side of the second base layer facing the first substrate.
  • the first substrate and the second substrate are fixedly connected by a sealant.
  • the first base layer and the second base layer are both transparent glass substrates.
  • the array substrate includes a glass base layer and a thin film transistor array layer disposed on the glass base layer.
  • the present application also provides a display device including a light source and a display panel.
  • the display panel includes a color filter structure, an array substrate, and a liquid crystal layer disposed between the color filter structure and the array substrate;
  • the color filter structure includes:
  • a first substrate provided on the liquid crystal layer, for supplying voltage to the liquid crystal layer and cooperating with electrodes of the array substrate to control the deflection amplitude of the liquid crystal;
  • a second substrate disposed on a side of the first substrate facing away from the liquid crystal layer, for selecting a specific light wave
  • the second substrate includes a second base layer and a color filter layer provided on the second base layer with a plurality of color resistive units, the plurality of color resistive units are filled with red quantum dot materials, respectively Green quantum dot material and blue quantum dot material.
  • the first substrate includes a first base layer and an ITO thin film layer provided on the first base layer, the ITO thin film layer is provided on the first base layer facing the liquid crystal One side of the layer.
  • the color filter layer is provided on the side of the second base layer facing the first substrate.
  • the first substrate and the second substrate are fixedly connected by a sealant.
  • both the first base layer and the second base layer are transparent glass substrates.
  • the array substrate includes a glass base layer and a thin film transistor array layer disposed on the glass base layer.
  • the light source is a monochromatic light source.
  • the monochromatic light source is a blue light source.
  • the display panel and display device of the present application form a color filter structure by connecting the first substrate and the second substrate, instead of the prior art quantum dot color filter substrate, Among them, the first substrate and the second substrate are separated and formed independently, thereby avoiding the situation that the particles of the QD material are destroyed by the high-temperature environment during the annealing process of the ITO / PI material; During the annealing process, the high temperature environment will destroy the particles of the QD material and seriously affect the technical problems of the material properties.
  • FIG. 1 is a schematic structural diagram of an embodiment of a display panel in the prior art
  • FIG. 2 is a schematic structural diagram of an embodiment of a display panel of this application.
  • FIG. 3 is a schematic structural diagram of an embodiment of a display device of the present application.
  • FIG. 2 is a schematic structural diagram of an embodiment of a display panel of the present application.
  • the display panel 100 of the embodiment of the present application includes a color filter structure 10, an array substrate 20, and a liquid crystal layer 30 disposed between the color filter structure 10 and the array substrate 20.
  • the color filter structure 10 includes a first substrate 11 and a second substrate 12.
  • the first substrate 11 is disposed on the liquid crystal layer 30 and is used to provide a voltage to the liquid crystal layer 30 and cooperate with the electrodes of the array substrate 20 to control the deflection amplitude of the liquid crystal.
  • the second substrate 12 is disposed on the side of the first substrate 11 facing away from the liquid crystal layer 30, and is used to select a specific light wave.
  • the second substrate 12 includes a second base layer 121 and a color filter layer 122 provided on the second base layer 121 and having a plurality of color resist units.
  • the plurality of color resistive cells are filled with red quantum dot material, green quantum dot material and blue quantum dot material respectively, and correspondingly form a red sub-pixel 12a, a green sub-pixel 12b and a blue sub-pixel 12c.
  • the display panel of this embodiment forms a color filter structure 10 by connecting the first substrate 11 and the second substrate 12 to replace the conventional quantum dot color filter substrate.
  • the first substrate 11 and the second substrate 12 are separated and formed independently, thereby avoiding the occurrence of particles that destroy the QD material in a high-temperature environment during the annealing process of the ITO / PI material, thereby improving the display effect of the display panel 100 .
  • the color filter layer 122 is disposed on the side of the second base layer 121 facing the first substrate 11. Such an arrangement is such that the second base layer 121 faces outward and serves to protect the color filter layer 122.
  • a black matrix is also provided between the plurality of color resistive units, and the black matrix is formed on the second base layer 121.
  • the second substrate 12 may further include a protective layer disposed on the color filter layer 122, and the protective layer is made of a transparent material.
  • the first substrate 11 includes a first base layer 111 and an ITO thin film layer 112 provided on the first base layer 111.
  • the ITO thin film layer 112 is provided on the side of the first base layer 111 facing the liquid crystal layer 30.
  • the first substrate 11 removes the red / green / blue color resist layer (equivalent to the color filter layer 122 of the present application) and the flat layer provided on the color resist layer.
  • the ITO thin film layer 112 is connected to the Vcom voltage as a transparent electrode for supplying voltage to the liquid crystal layer 30 and acting simultaneously with the electrodes of the array substrate 30, thereby controlling the deflection amplitude of the liquid crystal, and thereby controlling the light intensity of the external light source.
  • the second base layer 121 is a transparent glass substrate.
  • the color filter layer 122 is formed on the second base layer 121 by chemical vapor method or physical vapor method.
  • the first base layer 111 is a transparent glass substrate, and the ITO thin film layer 112 is formed on the first base layer 111 through a sputtering process.
  • the first substrate 11 and the second substrate 12 are fixedly connected by sealant. That is, the peripheral edges of the first base layer 111 of the first substrate 11 and the peripheral edges of the second base layer 121 of the second substrate 12 are bonded together by the sealant, and the sealant is cured by UV light and high temperature, which promotes the first The substrate 11 and the second substrate 12 are fixedly connected.
  • the array substrate 20 includes a glass base layer 21 and a thin film transistor array layer 22 provided on the glass base layer 21.
  • FIG. 3 is a schematic structural diagram of an embodiment of a display device of the present application.
  • the present application also provides a display device 1000 including a light source 200 and the light source 200 and the display panel 100.
  • the display panel 100 includes a color filter structure 10, an array substrate 20, and a liquid crystal layer 30 disposed between the color filter structure 10 and the array substrate 20.
  • the color filter structure 10 includes a first substrate 11 and a second substrate 12.
  • the first substrate 11 is disposed on the liquid crystal layer 30 and is used to provide a voltage to the liquid crystal layer 30 and cooperate with the electrodes of the array substrate 20 to control the deflection amplitude of the liquid crystal.
  • the second substrate 12 is disposed on the side of the first substrate 11 facing away from the liquid crystal layer 30, and is used to select a specific light wave.
  • the second substrate 12 includes a second base layer 121 and a color filter layer 122 provided on the second base layer 121 and having a plurality of color resist units.
  • the plurality of color resistive cells are filled with red quantum dot material, green quantum dot material and blue quantum dot material respectively, and correspondingly form a red sub-pixel 12a, a green sub-pixel 12b and a blue sub-pixel 12c.
  • the display panel of this embodiment forms a color filter structure 10 by connecting the first substrate 11 and the second substrate 12 to replace the conventional quantum dot color filter substrate.
  • the first substrate 11 and the second substrate 12 are separated and formed independently, thereby avoiding the occurrence of particles that destroy the QD material in a high-temperature environment during the annealing process of the ITO / PI material, thereby improving the display effect of the display panel 100 .
  • the display device 1000 of this embodiment only emits more light through the second base layer 121, and the second base layer 121 is a glass substrate with a light transmittance greater than 99 Therefore, relatively speaking, the display device of this embodiment reduces the loss rate of light from the light source.
  • the first substrate 11 includes a first base layer 111 and an ITO thin film layer 112 provided on the first base layer 111, the ITO thin film layer 112 is provided on the first base layer 111 facing the liquid crystal layer 30 On one side.
  • the second base layer 121 is a transparent glass substrate.
  • the color filter layer 122 is formed on the second base layer 121 by chemical vapor method or physical vapor method.
  • the first base layer 111 is a transparent glass substrate, and the ITO thin film layer 112 is formed on the first base layer 111 through a sputtering process.
  • the color filter layer 122 is provided on the side of the second base layer 121 facing the first substrate 11. Such an arrangement is such that the second base layer 121 faces outward and serves to protect the color filter layer 122.
  • the second base layer 121 is a transparent glass substrate.
  • the color filter layer 122 is formed on the second base layer 121 by chemical vapor method or physical vapor method.
  • the first base layer 111 is a transparent glass substrate, and the ITO thin film layer 112 is formed on the first base layer 111 through a sputtering process.
  • the first substrate 11 and the second substrate 12 are fixedly connected by sealant. That is, the peripheral edges of the first base layer 111 of the first substrate 11 and the peripheral edges of the second base layer 121 of the second substrate 12 are bonded together by the sealant, and the sealant is cured by UV light and high temperature, which promotes the first The substrate 11 and the second substrate 12 are fixedly connected.
  • the array substrate 20 includes a glass base layer 21 and a thin film transistor array layer 22 provided on the glass base layer 21.
  • the light source 200 is a monochromatic light source.
  • the monochromatic light source 200 is a blue light source.
  • the blue light source may be an LED light emitting blue light.
  • the light source 200 is provided in the backlight module of the display device 1000, and the backlight module may be an edge type backlight module or a direct type backlight module.
  • the display panel and display device of the present application form a color filter structure by connecting the first substrate and the second substrate, instead of the prior art quantum dot color filter substrate, Among them, the first substrate and the second substrate are formed separately and independently, so as to avoid the situation that the particles of the QD material are destroyed by the high temperature environment during the annealing process of the ITO / PI material; During the annealing process, the high temperature environment will destroy the particles of the QD material and seriously affect the technical problems of the material properties.

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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)
  • Optical Filters (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un panneau (100) d'affichage et un dispositif (1000) d'affichage. Le panneau (100) d'affichage comporte une structure (10) de filtre coloré, un substrat (20) de matrice, et une couche (30) de cristaux liquides. La structure (10) de filtre coloré comporte un premier substrat (11) placé sur la couche (30) de cristaux liquides et un second substrat (12) placé du côté du premier substrat (11) orienté à l'opposé de la couche (30) de cristaux liquides. Le second substrat (12) comporte une seconde couche (121) de base et une couche (122) de filtre coloré comprenant de multiples unités à réserve colorée. Les multiples unités à réserve colorée sont remplies respectivement d'un matériau à points quantiques rouges, d'un matériau à points quantiques verts et d'un matériau à points quantiques bleus.
PCT/CN2018/123881 2018-10-22 2018-12-26 Panneau d'affichage et dispositif d'affichage Ceased WO2020082581A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811226489.9A CN109471290A (zh) 2018-10-22 2018-10-22 显示面板及显示装置
CN201811226489.9 2018-10-22

Publications (1)

Publication Number Publication Date
WO2020082581A1 true WO2020082581A1 (fr) 2020-04-30

Family

ID=65664435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/123881 Ceased WO2020082581A1 (fr) 2018-10-22 2018-12-26 Panneau d'affichage et dispositif d'affichage

Country Status (2)

Country Link
CN (1) CN109471290A (fr)
WO (1) WO2020082581A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115524884A (zh) * 2022-10-10 2022-12-27 武汉华星光电技术有限公司 一种显示装置及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105093617A (zh) * 2015-08-05 2015-11-25 深圳市华星光电技术有限公司 一种液晶显示面板及其制造方法
CN105589245A (zh) * 2014-10-23 2016-05-18 群创光电股份有限公司 显示装置
CN106773328A (zh) * 2017-03-31 2017-05-31 深圳市华星光电技术有限公司 液晶显示装置
CN106896568A (zh) * 2017-03-28 2017-06-27 深圳市华星光电技术有限公司 液晶显示装置
US20180157083A1 (en) * 2016-12-05 2018-06-07 Samsung Display Co., Ltd. Display device
CN108205217A (zh) * 2016-12-20 2018-06-26 三星显示有限公司 显示设备及其制造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105589245A (zh) * 2014-10-23 2016-05-18 群创光电股份有限公司 显示装置
CN105093617A (zh) * 2015-08-05 2015-11-25 深圳市华星光电技术有限公司 一种液晶显示面板及其制造方法
US20180157083A1 (en) * 2016-12-05 2018-06-07 Samsung Display Co., Ltd. Display device
CN108205217A (zh) * 2016-12-20 2018-06-26 三星显示有限公司 显示设备及其制造方法
CN106896568A (zh) * 2017-03-28 2017-06-27 深圳市华星光电技术有限公司 液晶显示装置
CN106773328A (zh) * 2017-03-31 2017-05-31 深圳市华星光电技术有限公司 液晶显示装置

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