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1. WO2000039633 - MATERIALS FOR INDUCING ALIGNMENT OF LIQUID CRYSTALS AND LIQUID CRYSTAL OPTICAL ELEMENTS

Publication Number WO/2000/039633
Publication Date 06.07.2000
International Application No. PCT/US1999/029800
International Filing Date 16.12.1999
Chapter 2 Demand Filed 14.07.2000
IPC
C08G 73/10 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
73Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups C08G12/-C08G71/238
06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule; Polyhydrazides; Polyamide acids or similar polyimide precursors
10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
G02F 1/1337 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
1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
CPC
C08G 73/10
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
73Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
C08G 73/1085
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
73Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
1085Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties
G02F 1/133723
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
1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
133711by organic films, e.g. polymeric films
133723Polyimide, polyamide-imide
G02F 1/133788
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
1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
13378by treatment of the surface, e.g. embossing, rubbing, light irradiation
133788by light irradiation, e.g. linearly polarised light photo-polymerisation
Y10T 428/1005
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
428Stock material or miscellaneous articles
10Liquid crystal optical display having layer of specified composition
1005Alignment layer of specified composition
Y10T 428/1018
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
428Stock material or miscellaneous articles
10Liquid crystal optical display having layer of specified composition
1005Alignment layer of specified composition
1018Polyamide
Applicants
  • ELSICON, INC. [US/US]; Quillen Building, Suite 1C1 3521 Silverside Road Wilmington, DE 19810, US
Inventors
  • GIBBONS, Wayne, M.; US
  • SHANNON, Paul, J.; US
  • ZHENG, Hanxing; US
Agents
  • HUNTLEY, Donald, W.; Huntley & Associates P.O. Box 948 Wilmington, DE 19899-0948, US
Priority Data
09/221,29523.12.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MATERIALS FOR INDUCING ALIGNMENT OF LIQUID CRYSTALS AND LIQUID CRYSTAL OPTICAL ELEMENTS
(FR) MATIERES PERMETTANT D'INDUIRE L'ALIGNEMENT DE CRISTAUX LIQUIDES, ET ELEMENTS OPTIQUES A CRISTAUX LIQUIDES
Abstract
(EN)
The present invention provides novel polyamic acids and polyimide optical alignment layers (14) for inducing alignment of a liquid crystal medium (16). The novel compositions comprise crosslinking diamines containing C3 - C20 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers (14).
(FR)
La présente invention concerne de nouveaux acides polyamiques et des couches d'alignement (14) optique polyimides permettant d'induire l'alignement d'un élément à cristaux liquides (16). Les nouvelles compositions comprennent des diamines de réticulation contenant des chaînes hydrocarbures C3-C20 linéaires ou ramifiées contenant entre 1 et 4 liaisons doubles carbone-carbone. L'invention concerne également des affichages à cristaux liquides comprenant les nouvelles couches d'alignement (14) optique polyimides.
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