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WO2020118960A1 - Panneau d'affichage à cristaux liquides et son procédé de fabrication - Google Patents

Panneau d'affichage à cristaux liquides et son procédé de fabrication Download PDF

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Publication number
WO2020118960A1
WO2020118960A1 PCT/CN2019/079067 CN2019079067W WO2020118960A1 WO 2020118960 A1 WO2020118960 A1 WO 2020118960A1 CN 2019079067 W CN2019079067 W CN 2019079067W WO 2020118960 A1 WO2020118960 A1 WO 2020118960A1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid crystal
display panel
crystal display
transparent film
film layer
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/CN2019/079067
Other languages
English (en)
Chinese (zh)
Inventor
程薇
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.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan 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 Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Publication of WO2020118960A1 publication Critical patent/WO2020118960A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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

Definitions

  • the invention relates to the field of display technology, in particular to a liquid crystal display panel and a manufacturing method thereof.
  • Car display technology is changing with each passing day, and major panel manufacturers are also carrying out multiple layouts for car applications.
  • side window, rear seat display, instrument panel and other displays all require higher resolution, wide viewing angle, and flexible , And even the characteristic of special shape and beautiful, and the viewing angle as the technology of the most difficult point in the car display, will directly affect the product display effect.
  • a liquid crystal display panel including:
  • a liquid crystal layer and a sealant provided between the color film substrate and the thin film transistor substrate;
  • a transparent film layer is provided in the liquid crystal layer, and the transparent film layer includes at least two light-transmitting regions with different thicknesses; the overall shape of the cross-section of each light-transmitting region is rectangular or ring-shaped.
  • the overall shape of the longitudinal section of the transparent film layer is wave-shaped.
  • the overall shape of the longitudinal section of the transparent film layer is wavy.
  • each light-transmitting area is rectangular.
  • a liquid crystal display panel including:
  • a liquid crystal layer and a sealant provided between the color film substrate and the thin film transistor substrate;
  • a transparent film layer is provided in the liquid crystal layer, and the transparent film layer includes at least two light-transmitting regions with different thicknesses.
  • the overall shape of the longitudinal section of the transparent film layer is wave-shaped.
  • the overall shape of the longitudinal section of the transparent film layer is wavy.
  • each light-transmitting area is rectangular.
  • each light-transmitting area is rectangular.
  • each of the light-transmitting regions is ring-shaped.
  • the invention also provides a method for manufacturing a liquid crystal display panel, including the following steps:
  • the overall shape of the longitudinal section of the transparent film layer is wave-shaped.
  • the overall shape of the longitudinal section of the transparent film layer is wavy.
  • the transparent film layer includes at least two light-transmitting regions with different thicknesses, and the overall shape of the longitudinal section of each light-transmitting region is rectangular.
  • the light transmittance of the corresponding areas will change after light passes through the transparent film layers of different thicknesses without affecting the light penetration, thereby improving the display contrast.
  • the specific pattern design of the transparent film layer when used in vehicle displays, it can achieve high viewing angle contrast in a specific angle area.
  • Embodiment 1 is a schematic structural diagram of a liquid crystal display panel in Embodiment 1 of the present invention.
  • FIG. 2 is a schematic structural diagram of a liquid crystal display panel in Embodiment 3 of the present invention.
  • Example 3 is a schematic structural diagram of a transparent film layer in Example 4 of the present invention.
  • Example 4 is a schematic structural diagram of a transparent film layer in Example 5 of the present invention.
  • Embodiment 6 is a schematic diagram of a manufacturing process of a liquid crystal display panel in Embodiment 6 of the present invention.
  • the present invention is directed to the existing liquid crystal display panel manufacturing technology, which is difficult to achieve the technical problem of high viewing angle contrast in a specific angle region of vehicle display.
  • the present invention can solve the above problems.
  • the liquid crystal display panel includes a color filter substrate 10, a thin film transistor substrate 20, and a liquid crystal layer 30 disposed between the color filter substrate 10 and the thin film transistor substrate 20 and Sealant 40.
  • a transparent film layer 50 is provided in the liquid crystal layer 30, and the transparent film layer 50 includes at least two light-transmitting regions 51 with different thicknesses.
  • the transparent film layer 50 has a high light transmittance. After light passes through the transparent film layers 50 with different thicknesses without affecting light penetration, the light penetration in the corresponding region Transmittance changes, so that the contrast is improved to meet the requirements of vehicle specifications.
  • the specific pattern design of the transparent film layer 50 when applied to vehicle displays, it can achieve high viewing angle contrast in a specific angle area .
  • a liquid crystal display panel differs from Embodiment 1 only in that the overall shape of the longitudinal section of the transparent film layer 50 is wave-shaped.
  • the wave-shaped transparent film layer 50 is used to adjust the light transmittance of different areas to achieve a higher viewing angle contrast in a specific angle area, while using a gentle slope to achieve a smaller viewing angle contrast in the same area.
  • the overall shape of the longitudinal section of the transparent film layer 50 may be a continuous wave shape or a discontinuous wave shape.
  • a liquid crystal display panel as shown in FIG. 2, is different from Embodiment 2 only in the overall shape of the longitudinal section of the transparent film layer 50.
  • each light-transmitting area 51 is rectangular.
  • the light transmittance in the same area is the same to achieve a better visual effect.
  • FIG. 2 only illustrates the case where the transparent film layer 50 includes three light-transmitting regions 51 with different thicknesses.
  • the transparent film layer 50 may also include more than three light-transmitting regions with different thicknesses. 51.
  • a liquid crystal display panel differs from the first embodiment only in that the overall shape of the cross section of each light-transmitting area 51 is rectangular.
  • the transparent film layer 50 is designed such that the overall shape of the cross-section of the light-transmitting area 51 is rectangular, thereby achieving a better display effect.
  • the overall shape of the longitudinal section of the transparent film layer 50 is wavy, or the overall shape of the longitudinal section of each light-transmitting region 51 is rectangular.
  • a liquid crystal display panel differs from Embodiment 4 only in that the overall shape of the cross section of each light-transmitting area 51 is different.
  • each light-transmitting area 51 is ring-shaped.
  • the transparent film layer 50 is designed such that the overall shape of the cross-section of the light-transmitting area 51 is a ring, thereby To achieve a better display effect.
  • a liquid crystal filled area may be formed on the thin film transistor substrate 20 by a sealant 40, liquid crystal mixed with a polymer prepolymer is filled into the liquid crystal filled area, and the polymer is pre-treated After the polymer is cured and patterned, the thin film transistor substrate 20 and the color filter substrate 10 are assembled to form a liquid crystal display panel.
  • the sealant 40 is provided on the edges of the color filter substrate 10 and the thin film transistor substrate 20 and the color filter substrate 10 and the thin film transistor substrate 20 are assembled into one body, through the opening reserved for the sealant 40, After the liquid crystal mixed with the polymer prepolymer is injected or dropped into the space between the color filter substrate 10 and the thin film transistor substrate 20, and the polymer prepolymer is cured to form the transparent film layer 50, the transparent film layer 50 is patterned to form a patterned transparent film layer 50.
  • the polymer prepolymer is irradiated with UV light to cure the polymer prepolymer to form a patterned transparent film layer 50.
  • the overall shape of the longitudinal section of the transparent film layer 50 is wave-shaped.
  • the transparent film layer 50 includes at least two light-transmitting regions 51 with different thicknesses; the overall shape of the longitudinal section of the transparent film layer 50 is wavy, or the longitudinal section of each light-transmitting region 51 The overall shape is rectangular.
  • each light-transmitting area 51 is rectangular or ring-shaped.
  • the beneficial effects of the present invention are: by setting transparent film layers 50 with different thicknesses in different regions, without affecting light penetration, after light passes through transparent film layers 50 of different thicknesses, the light transmittance of the corresponding regions occurs Changes, so that the display contrast is improved, to meet the requirements of vehicle specifications, through a specific patterned design of the transparent film layer 50, when applied to vehicle displays, can achieve a high viewing angle contrast in a specific angle area.

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)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne un panneau d'affichage à cristaux liquides et un procédé de fabrication associé. Le panneau d'affichage à cristaux liquides comprend un substrat de filtre coloré (10), un substrat de transistor à film mince (20) et une couche de cristaux liquides (30) et un agent d'étanchéité (40) qui sont disposés entre le substrat de filtre coloré (10) et le substrat de transistor à film mince (20) ; une couche de film transparent (50) est disposée dans la couche de cristaux liquides (30) et la couche de film transparent (50) comprend au moins deux régions de transmission de lumière (51) ayant des épaisseurs différentes.
PCT/CN2019/079067 2018-12-12 2019-03-21 Panneau d'affichage à cristaux liquides et son procédé de fabrication Ceased WO2020118960A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811517155.7A CN109471292A (zh) 2018-12-12 2018-12-12 一种液晶显示面板及其制作方法
CN201811517155.7 2018-12-12

Publications (1)

Publication Number Publication Date
WO2020118960A1 true WO2020118960A1 (fr) 2020-06-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/079067 Ceased WO2020118960A1 (fr) 2018-12-12 2019-03-21 Panneau d'affichage à cristaux liquides et son procédé de fabrication

Country Status (2)

Country Link
CN (1) CN109471292A (fr)
WO (1) WO2020118960A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109471292A (zh) * 2018-12-12 2019-03-15 武汉华星光电技术有限公司 一种液晶显示面板及其制作方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020191134A1 (en) * 1998-10-23 2002-12-19 Katsuyuki Funahata Reflective color liquid crystal display apparatus
US6819375B2 (en) * 2002-01-15 2004-11-16 Seiko Epson Corporation Color filter having surface profile for liquid crystal alignment, liquid crystal display panel, and method of producing
CN205301758U (zh) * 2016-01-18 2016-06-08 合肥京东方光电科技有限公司 液晶显示基板、显示面板和显示装置
CN106707599A (zh) * 2016-12-29 2017-05-24 惠科股份有限公司 一种液晶显示面板及其制造方法
CN106802511A (zh) * 2017-04-11 2017-06-06 京东方科技集团股份有限公司 一种彩膜基板、其制作方法及相关装置
CN108039419A (zh) * 2017-11-30 2018-05-15 武汉天马微电子有限公司 一种显示面板及显示装置
CN109471292A (zh) * 2018-12-12 2019-03-15 武汉华星光电技术有限公司 一种液晶显示面板及其制作方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668651A (en) * 1994-03-18 1997-09-16 Sharp Kabushiki Kaisha Polymer-wall LCD having liquid crystal molecules having a plane-symmetrical bend orientation
JP2013113938A (ja) * 2011-11-25 2013-06-10 Dainippon Printing Co Ltd パターン位相差フィルム、画像表示装置、パターン位相差フィルムの製造用金型及びパターン位相差フィルムの製造方法
CN104267457B (zh) * 2014-10-30 2016-09-07 京东方科技集团股份有限公司 反射式偏振片及其制备方法、液晶显示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020191134A1 (en) * 1998-10-23 2002-12-19 Katsuyuki Funahata Reflective color liquid crystal display apparatus
US6819375B2 (en) * 2002-01-15 2004-11-16 Seiko Epson Corporation Color filter having surface profile for liquid crystal alignment, liquid crystal display panel, and method of producing
CN205301758U (zh) * 2016-01-18 2016-06-08 合肥京东方光电科技有限公司 液晶显示基板、显示面板和显示装置
CN106707599A (zh) * 2016-12-29 2017-05-24 惠科股份有限公司 一种液晶显示面板及其制造方法
CN106802511A (zh) * 2017-04-11 2017-06-06 京东方科技集团股份有限公司 一种彩膜基板、其制作方法及相关装置
CN108039419A (zh) * 2017-11-30 2018-05-15 武汉天马微电子有限公司 一种显示面板及显示装置
CN109471292A (zh) * 2018-12-12 2019-03-15 武汉华星光电技术有限公司 一种液晶显示面板及其制作方法

Also Published As

Publication number Publication date
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