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1. DE000069903640 - VERBESSERUNG DES BLICKWINKELS EINES LCD-BILDSCHIRMS DURCH EINE NEUARTIGE SCHICHTUNG DOPPELBRECHENDER FILME

Office
Allemagne
Numéro de la demande 69903640
Date de la demande 23.07.1999
Numéro de publication 000069903640
Date de publication 12.06.2003
Type de publication T2
CIB
G02F 1/1335
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 1/13363
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
13363Birefringent elements, e.g. for optical compensation
G02F 1/133632
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
13363Birefringent elements, e.g. for optical compensation
133632with refractive index ellipsoid inclined relative to the LC-layer surface
G02F 1/133634
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
13363Birefringent elements, e.g. for optical compensation
133634the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
Déposants THALES AVIONICS S.A., VELIZY-VILLACOUBLAY
Inventeurs BIGNOLLES, LAURENT
GEORGES, LAURENT
Données relatives à la priorité 9809646 28.07.1998 FR
9901816 23.07.1999 FR
Titre
(DE) VERBESSERUNG DES BLICKWINKELS EINES LCD-BILDSCHIRMS DURCH EINE NEUARTIGE SCHICHTUNG DOPPELBRECHENDER FILME
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