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1. WO2020062568 - POLARIZING STRUCTURE AND DISPLAY DEVICE

Publication Number WO/2020/062568
Publication Date 02.04.2020
International Application No. PCT/CN2018/119290
International Filing Date 05.12.2018
IPC
G02F 1/1335 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
01for the control of the intensity, phase, polarisation or colour
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
G02B 5/30 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
30Polarising elements
CPC
G02B 5/30
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
30Polarising elements
G02F 1/1335
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
01for the control of the intensity, phase, polarisation or colour 
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
1333Constructional arrangements; ; Manufacturing methods
1335Structural association of cells with optical devices, e.g. polarisers or reflectors
Applicants
  • 惠科股份有限公司 HKC CORPORATION LIMITED [CN]/[CN]
  • 重庆惠科金渝光电科技有限公司 CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 康志聪 KANG, Chih Tsung
Agents
  • 广州华进联合专利商标代理有限公司 ADVANCE CHINA IP LAW OFFICE
Priority Data
201821625260.830.09.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) POLARIZING STRUCTURE AND DISPLAY DEVICE
(FR) STRUCTURE DE POLARISATION ET DISPOSITIF D'AFFICHAGE
(ZH) 偏光结构及显示装置
Abstract
(EN)
A polarizing structure and a display device, the polarizing structure comprising a first optical compensation film (100) having a large refractive index, the first optical compensation film (100) having a light incident surface (100A) and a light exiting surface (100B), a plurality of recesses (101) being formed in the light exiting surface (100B); and a second optical compensation film (200) having a small refractive index and stacked on the light exiting surface (100B) of the first optical compensation film (100), a plurality of protruding structures (201) matching the recesses (101) being formed on the second optical compensation film (200), and the width of each protruding structures (201) being smaller than or close to the wavelength of incident light.
(FR)
L'invention concerne une structure de polarisation et un dispositif d'affichage, la structure de polarisation comprenant un premier film de compensation optique (100) ayant un indice de réfraction élevé, le premier film de compensation optique (100) ayant une surface d'incidence de lumière (100A) et une surface de sortie de lumière (100B), une pluralité d'évidements (101) étant formés dans la surface de sortie de lumière (100B) ; et un second film de compensation optique (200) ayant un indice de réfraction faible et empilé sur la surface de sortie de lumière (100B) du premier film de compensation optique (100), une pluralité de structures en saillie (201) correspondant aux évidements (101) étant formées sur le second film de compensation optique (200), et la largeur de chacune des structures en saillie (201) étant inférieure à ou proche de la longueur d'onde de la lumière incidente.
(ZH)
一种偏光结构和显示装置,包括折射率较大的第一光学补偿膜(100),第一光学补偿膜(100)具有入光面(100A)和出光面(100B),其出光面(100B)上形成有多个凹槽(101);和叠设于第一光学补偿膜(100)出光面(100B)上的折射率较小的第二光学补偿膜(200),第二光学补偿膜(200)上形成有多个与凹槽(101)相匹配的凸起结构(201)且各凸起结构(201)的宽度小于或接近入射光的波长。
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