WO2020155200A1 - Couche de revêtement optique et dispositif d'affichage - Google Patents

Couche de revêtement optique et dispositif d'affichage Download PDF

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Publication number
WO2020155200A1
WO2020155200A1 PCT/CN2019/075348 CN2019075348W WO2020155200A1 WO 2020155200 A1 WO2020155200 A1 WO 2020155200A1 CN 2019075348 W CN2019075348 W CN 2019075348W WO 2020155200 A1 WO2020155200 A1 WO 2020155200A1
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WO
WIPO (PCT)
Prior art keywords
layer
substrate
optical axis
optical
display
Prior art date
Application number
PCT/CN2019/075348
Other languages
English (en)
Chinese (zh)
Inventor
单剑锋
Original Assignee
惠科股份有限公司
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 惠科股份有限公司 filed Critical 惠科股份有限公司
Publication of WO2020155200A1 publication Critical patent/WO2020155200A1/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one

Definitions

  • the ordinary refractive index of the first single optical axis optical layer is 1.0-2.5.
  • the display panel includes:
  • the photoresist layer is disposed between the optical film layer and the second substrate, and the display panel further includes:
  • Fig. 2 is a schematic diagram of the refraction effect on the interface that is not perpendicular to the light advancing direction;
  • FIG. 5 is a schematic diagram of a three-dimensional structure of a second single optical axis optical layer in another embodiment
  • a plurality of grooves are formed on one side of the first single optical axis optical layer 251, and the first single optical axis optical layer 251 has optical anisotropy and has an extraordinary refractive index ne 1 and an ordinary refractive index no 1 .
  • the extraordinary refractive index ne 1 is the equivalent refractive index of the first single optical axis optical layer 251 when the light polarization direction is parallel to the optical axis;
  • the ordinary refractive index no 1 is the first single optical axis optical layer 251 when the light polarization direction is parallel to the optical axis
  • With the equivalent refractive index perpendicular to the optical axis when light passes through the first single optical axis optical layer 251, birefringence occurs.
  • ne 1 >no 1 that is, the first single optical axis optical layer 251 is a positive single optical axis optical layer.
  • nx 1 is the refractive index of the first single optical axis optical layer 251 in the x direction
  • ny 1 is the refractive index of the first single optical axis optical layer 251 in the y direction
  • nz 1 is the first single optical axis
  • the refractive index of the optical axis optical layer 251 in the z direction, the z direction is the extension direction of the film thickness of the first single optical axis optical layer 251 (perpendicular to the light incident surface of the first single optical axis optical layer 251)
  • the arrangement direction of the metal layers of the second grating layer 240 is parallel to the 0/180 degree direction, and the extending direction of the metal layers of the second grating layer 240 is parallel to the 90/270 degree direction, it is expected that horizontally polarized light can pass through the second grating layer 240
  • the equivalent refractive index of the horizontally polarized light passing through the first single optical axis optical layer 251 is no 1
  • the equivalent refractive index of the horizontally polarized light passing through the second single optical axis optical layer 252 is ne 2 , because ne 2 > no 1.
  • the display panel can also It includes: a compensation film layer disposed between the display layer 230 and the second grating layer 240; and/or a compensation film layer disposed between the photoresist layer 260 and the first substrate 220.

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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

La présente invention concerne une couche de revêtement optique (250) et un dispositif d'affichage (10). La couche de revêtement optique (250) comprend : une première couche optique uniaxiale (251), une pluralité d'évidements étant formés sur un côté de la première couche optique uniaxiale (251) ; et une seconde couche optique uniaxiale (252), comprenant une partie en forme de plaque (2521) et une pluralité de structures convexes (2522) qui sont fixés sur un côté de la partie en forme de plaque (2521) et correspondent à la forme et à la taille des évidements, l'indice de réfraction de lumière extraordinaire (ne2) de la seconde couche optique uniaxiale (252) étant supérieure à l'indice de réfraction de lumière ordinaire (no1) de la première couche optique uniaxiale (251).
PCT/CN2019/075348 2019-01-30 2019-02-18 Couche de revêtement optique et dispositif d'affichage WO2020155200A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910090539.3 2019-01-30
CN201910090539.3A CN109633984A (zh) 2019-01-30 2019-01-30 光学膜层和显示装置

Publications (1)

Publication Number Publication Date
WO2020155200A1 true WO2020155200A1 (fr) 2020-08-06

Family

ID=66062840

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/075348 WO2020155200A1 (fr) 2019-01-30 2019-02-18 Couche de revêtement optique et dispositif d'affichage

Country Status (2)

Country Link
CN (1) CN109633984A (fr)
WO (1) WO2020155200A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000258772A (ja) * 1999-03-10 2000-09-22 Nippon Mitsubishi Oil Corp 液晶表示装置
US20140353618A1 (en) * 2013-05-31 2014-12-04 Samsung Electronics Co., Ltd. Optical films for reducing color shift and organic light-emitting display apparatuses employing the same
CN109143677A (zh) * 2018-09-30 2019-01-04 惠科股份有限公司 偏光结构、显示面板及显示装置
CN109143675A (zh) * 2018-09-30 2019-01-04 惠科股份有限公司 偏光结构及显示装置
CN109188766A (zh) * 2018-10-30 2019-01-11 惠科股份有限公司 光学复合膜、显示面板和显示装置
CN109212822A (zh) * 2018-10-30 2019-01-15 惠科股份有限公司 光学复合膜和显示面板
CN109633987A (zh) * 2019-01-30 2019-04-16 惠科股份有限公司 光学膜层和显示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000258772A (ja) * 1999-03-10 2000-09-22 Nippon Mitsubishi Oil Corp 液晶表示装置
US20140353618A1 (en) * 2013-05-31 2014-12-04 Samsung Electronics Co., Ltd. Optical films for reducing color shift and organic light-emitting display apparatuses employing the same
CN109143677A (zh) * 2018-09-30 2019-01-04 惠科股份有限公司 偏光结构、显示面板及显示装置
CN109143675A (zh) * 2018-09-30 2019-01-04 惠科股份有限公司 偏光结构及显示装置
CN109188766A (zh) * 2018-10-30 2019-01-11 惠科股份有限公司 光学复合膜、显示面板和显示装置
CN109212822A (zh) * 2018-10-30 2019-01-15 惠科股份有限公司 光学复合膜和显示面板
CN109633987A (zh) * 2019-01-30 2019-04-16 惠科股份有限公司 光学膜层和显示装置

Also Published As

Publication number Publication date
CN109633984A (zh) 2019-04-16

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