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US 12,754,348 B2Granted
Lamination film for liquid crystal polarizing membrane, surface protection film for liquid crystal polarizing membrane, laminate provided with liquid crystal polarizing membrane, and image display apparatus including liquid crystal polarizing membrane
AssigneeMitsubishi Chemical Corporation
InventorsHiroyuki Taniyama, Kohei Hirose, Terutsune Osawa, Kiyonori Kuroda, Koichi Nishihara
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Abstract
A laminated film for a liquid crystal polarizing film may include a base film and a cured resin layer formed from a curable resin composition, having an average value of light transmittances at 300 to 430 nm of 35% or less.
Claims23
A laminated film suitable for a liquid crystal polarizing film, the laminated film comprising:
- a base film;
- and
- a cured resin layer formed from a curable resin composition,
- wherein the laminated film has an average value of light transmittances at 300 to 430 nm of 35% or less,
- wherein the base film is a polyester film, and
- the laminated film satisfies the following properties:
- (i) the surface of the cured resin layer side has a surface pencil hardness of H or more obtained according to JIS K5600-5-4:1999 under a load condition of 750 g,
- (ii) the cured resin layer has a thickness of from 1 μm to 4 μm, and
- (iii) the laminated film has a thickness ratio (base film)/(cured resin layer) of 15 or more.
6 more elements
Dependencies are inferred from the claim text.