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1. WO2001058991 - POLYESTER FILM COMPOSITE, LIGHT DIFFUSER PLATE, AND UTILIZATION THEREOF

Publication Number WO/2001/058991
Publication Date 16.08.2001
International Application No. PCT/JP2001/000951
International Filing Date 09.02.2001
IPC
C08J 7/04 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
7Chemical treatment or coating of shaped articles made of macromolecular substances
04Coating
F21V 8/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21LIGHTING
VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
8Use of light guides, e.g. fibre optic devices, in lighting devices or systems
G02B 5/02 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
CPC
C08J 2367/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
2367Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain
02Polyesters derived from dicarboxylic acids and dihydroxy compounds;
C08J 2467/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
2467Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain
C08J 5/18
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
5Manufacture of articles or shaped materials containing macromolecular substances
18Manufacture of films or sheets
C08J 7/0427
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
7Chemical treatment or coating of shaped articles made of macromolecular substances
04Coating
0427with only one layer of a composition containing a polymer binder
C08J 7/043
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G
7Chemical treatment or coating of shaped articles made of macromolecular substances
04Coating
043Improving the adhesiveness of the coatings per se, e.g. forming primers
C09K 2323/03
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
2323Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
03Viewing layer characterised by chemical composition
Applicants
  • TEIJIN LIMITED [JP]/[JP] (AllExceptUS)
  • MIZUTANI, Kei [JP]/[JP] (UsOnly)
  • SAIGO, Takashi [JP]/[JP] (UsOnly)
  • FUKUDA, Masayuki [JP]/[JP] (UsOnly)
Inventors
  • MIZUTANI, Kei
  • SAIGO, Takashi
  • FUKUDA, Masayuki
Agents
  • OHSHIMA, Masataka
Priority Data
2000/21115512.07.2000JP
2000/3318910.02.2000JP
2000/5858903.03.2000JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) POLYESTER FILM COMPOSITE, LIGHT DIFFUSER PLATE, AND UTILIZATION THEREOF
(FR) COMPOSITE A BASE DE FILM POLYESTER, PLAQUE DE DIFFUSION DE LUMIERE ET UTILISATION ASSOCIEE
Abstract
(EN) A polyester film composite characterized by comprising a biaxially oriented polyester film having a thickness of 50 to 200 $g(m) µm and a readily bondable coating film formed on one or each side thereof, and by having a haze lower than 2% and a total light transmittance of 90% or higher; and a light diffuser plate which comprises the composite and a light-diffusing layer superposed on the readily bondable coating film(s). The light diffuser plate has excellent optical properties when used in a liquid-crystal display. The polyester film composite is useful as a substrate for the plate.
(FR) L'invention concerne un composite à base de film polyester, caractérisé en ce qu'il comprend un film polyester à orientation biaxiale possédant une épaisseur comprise entre 50 et 200 $g(m) µm, ainsi qu'un revêtement susceptible de se lier facilement, formé sur un côté du film ou sur les deux côtés, et en ce qu'il possède un trouble inférieur à 2 % ainsi qu'une transmission de lumière de l'ordre de 90 % ou davantage; l'invention concerne également une plaque de diffusion de lumière comprenant ce composite ainsi qu'une couche de diffusion de lumière superposée sur le(s) film(s) porteur(s) du revêtement susceptible de se lier facilement. Cette plaque possède d'excellentes propriétés optiques lorsqu'on l'utilise dans un affichage à cristaux liquides. Le composite à base de film polyester est utile en tant que substrat de la plaque.
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