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1. WO2020137529 - RETARDATION FILM, METHOD FOR PRODUCING SAME AND POLARIZING PLATE

Publication Number WO/2020/137529
Publication Date 02.07.2020
International Application No. PCT/JP2019/048357
International Filing Date 10.12.2019
IPC
G02B 5/30 2006.1
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
30Polarising elements
B32B 7/023 2019.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
02Physical, chemical or physicochemical properties
023Optical properties
C08F 20/30 2006.1
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
20Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
10Esters
26Esters containing oxygen in addition to the carboxy oxygen
30containing aromatic rings in the alcohol moiety
CPC
B32B 7/023
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
02Physical, chemical or physicochemical properties
023Optical properties
C08F 20/30
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
20Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
02Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
10Esters
26Esters containing oxygen in addition to the carboxy oxygen
30containing aromatic rings in the alcohol moiety
G02B 5/30
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
30Polarising elements
Applicants
  • 日本ゼオン株式会社 ZEON CORPORATION [JP]/[JP]
Inventors
  • 下出 真菜 SHIMODE, Mana
Agents
  • 特許業務法人酒井国際特許事務所 SAKAI INTERNATIONAL PATENT OFFICE
Priority Data
2018-24851528.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) RETARDATION FILM, METHOD FOR PRODUCING SAME AND POLARIZING PLATE
(FR) FILM DE RETARD, SON PROCÉDÉ DE PRODUCTION ET PLAQUE DE POLARISATION
(JA) 位相差フィルム及びその製造方法、並びに偏光板
Abstract
(EN)
A retardation film which is formed of a cured product of a liquid crystal composition that contains a polymerizable liquid crystal compound, and which is configured such that respective absorbances of the retardation film at the wavelengths of 380 nm, 400 nm and 420 nm, namely absorbances AR(380), AR(400) and AR(420) satisfy formulae (1)-(3). (1): AR(380) < 2 (2): 0.5 ≤ AR(400) (3): AR(420)/AR(400) ≤ 0.4
(FR)
L'invention concerne un film de retard constitué d'un produit durci d'une composition à cristaux liquides qui contient un composé de cristaux liquides polymérisable, et qui est conçu de telle sorte que des absorbances respectives du film de retard aux longueurs d'onde de 380 nm, 400 nm et 420 nm, à savoir les absorbances AR(380), AR(400) et AR(420) satisfont les formules (1) à (3). (1) : AR(380) < 2 (2): 0.5 ≤ AR(400) (3): AR(420)/AR(400) ≤ 0.4
(JA)
重合性液晶化合物を含む液晶組成物の硬化物で形成された位相差フィルムであって、位相差フィルムの波長380nm、400nm及び420nmにおける吸光度A(380)、A(400)及びA(420)が、式(1)~(3)を満たす。 A(380) < 2 (1) 0.5 ≦ A(400) (2) A(420)/A(400) ≦ 0.4 (3)
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