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1. WO2016106901 - PANNEAU À CRISTAUX LIQUIDES ET DISPOSITIF D'AFFICHAGE À CRISTAUX LIQUIDES

Numéro de publication WO/2016/106901
Date de publication 07.07.2016
N° de la demande internationale PCT/CN2015/071213
Date du dépôt international 21.01.2015
CIB
G02F 1/1335 2006.01
GPHYSIQUE
02OPTIQUE
FDISPOSITIFS OU SYSTÈMES DONT LE FONCTIONNEMENT OPTIQUE EST MODIFIÉ PAR CHANGEMENT DES PROPRIÉTÉS OPTIQUES DU MILIEU CONSTITUANT CES DISPOSITIFS OU SYSTÈMES ET DESTINÉS À LA COMMANDE DE L'INTENSITÉ, DE LA COULEUR, DE LA PHASE, DE LA POLARISATION OU DE LA DIRECTION DE LA LUMIÈRE, p.ex. COMMUTATION, OUVERTURE DE PORTE, MODULATION OU DÉMODULATION; TECHNIQUES NÉCESSAIRES AU FONCTIONNEMENT DE CES DISPOSITIFS OU SYSTÈMES; CHANGEMENT DE FRÉQUENCE; OPTIQUE NON LINÉAIRE; ÉLÉMENTS OPTIQUES LOGIQUES; CONVERTISSEURS OPTIQUES ANALOGIQUES/NUMÉRIQUES
1Dispositifs ou systèmes pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire
01pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur
13basés sur des cristaux liquides, p.ex. cellules d'affichage individuelles à cristaux liquides
133Dispositions relatives à la structure; Excitation de cellules à cristaux liquides; Dispositions relatives aux circuits
1333Dispositions relatives à la structure
1335Association structurelle de cellules avec des dispositifs optiques, p.ex. des polariseurs ou des réflecteurs
CPC
G02F 1/133308
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
133308Support structures for LCD panels, e.g. frames or bezels
G02F 1/133331
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
133308Support structures for LCD panels, e.g. frames or bezels
133331Cover glasses
G02F 1/133357
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
133357Planarisation layers
G02F 1/133528
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
133528Polarisers
G02F 1/133531
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
133528Polarisers
133531characterised by the arrangement of polariser or analyser axes
G02F 1/133538
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
133528Polarisers
133538with spatial distribution of the polarisation direction
Déposants
  • 深圳市华星光电技术有限公司 SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. [CN]/[CN]
Inventeurs
  • 唐岳军 TANG, Yuejun
Mandataires
  • 广州三环专利代理有限公司 GUANGZHOU SCIHEAD PATENT AGENT CO.. LTD
Données relatives à la priorité
201410854152.831.12.2014CN
Langue de publication chinois (ZH)
Langue de dépôt chinois (ZH)
États désignés
Titre
(EN) LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE
(FR) PANNEAU À CRISTAUX LIQUIDES ET DISPOSITIF D'AFFICHAGE À CRISTAUX LIQUIDES
(ZH) 液晶面板及液晶显示装置
Abrégé
(EN)
A liquid crystal display device and liquid crystal panel (10); the liquid crystal panel (10) comprises stacked sequentially a glass cover plate (11), a first polarizing sheet (13), a liquid crystal layer (15), a second polarizing sheet (17) and a glass bottom plate (19); the liquid crystal layer (15) comprises a plurality of pixels (150); each pixel (150) is provided with a plurality of liquid crystal molecules; the first polarizing sheet (13) is provided with a first absorption axis (1321) and a second absorption axis (1341); the second polarizing sheet (17) is provided with a third absorption axis (1721) and a fourth absorption axis (1741); the first absorption axis (1321) of the first polarizing sheet (13) is axially orthogonal to the third absorption axis (1721) of the second polarizing sheet (17) to form a first orthogonal system; the second absorption axis (1341) of the first polarizing sheet (13) is axially orthogonal to the fourth absorption axis (1741) of the second polarizing sheet (17) to form a second orthogonal system; and an included angle between the first orthogonal system and the second orthogonal system is 45 degrees. The liquid crystal panel (10) has better contrast and wider range of a viewing angle.
(FR)
L’invention concerne un dispositif d'affichage à cristaux liquides et un panneau à cristaux liquides (10) ; le panneau à cristaux liquides (10) comprend, empilées séquentiellement, une plaque de couverture en verre (11), une première feuille polarisante (13), une couche de cristaux liquides (15), une seconde feuille polarisante (17) et une plaque inférieure en verre (19) ; la couche de cristaux liquides (15) comprend une pluralité de pixels (150) ; chaque pixel (150) est pourvu d'une pluralité de molécules de cristaux liquides ; la première feuille polarisante (13) est pourvue d'un premier axe d'absorption (1321) et d’un deuxième axe d'absorption (1341) ; la seconde feuille polarisante (17) est pourvue d'un troisième axe d'absorption (1721) et d’un quatrième axe d'absorption (1741) ; le premier axe d'absorption (1321) de la première feuille polarisante (13) est axialement perpendiculaire au troisième axe d'absorption (1721) de la seconde feuille polarisante (17) afin de former un premier système orthogonal ; le deuxième axe d'absorption (1341) de la première feuille polarisante (13) est axialement perpendiculaire au quatrième axe d'absorption (1741) de la seconde feuille polarisante (17) afin de former un second système orthogonal ; et un angle inclus entre le premier système orthogonal et le second système orthogonal est de 45 degrés. Le panneau à cristaux liquides (10) offre un meilleur contraste et une plus vaste plage d’angle de visualisation.
(ZH)
一种液晶显示装置和一种液晶面板(10),该液晶面板(10)包括依次层叠设置的玻璃盖板(11)、第一偏光片(13)、液晶层(15)、第二偏光片(17)、玻璃底板(19),所述液晶层(15)包括多个像素(150),每个像素(150)均设有多个液晶分子,所述第一偏光片(13)设有第一吸收轴(1321)与第二吸收轴(1341),所述第二偏光片(17)设有第三吸收轴(1721)与第四吸收轴(1741),所述第一偏光片(13)的第一吸收轴(1321)与所述第二偏光片(17)的第三吸收轴(1721)的轴向正交并构成第一正交系统,所述第一偏光片(13)的第二吸收轴(1341)与所述第二偏光片(17)的第四吸收轴(1741)的轴向正交并构成第二正交系统,所述第一正交系统与所述第二正交系统之间的夹角为45度。该液晶面板(10)的对比度较佳,视角范围较广。
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