OPTICAL FILM HAVING SUPERIOR ULTRAVIOLET RAY PROTECTION FUNCTION AND POLARIZING PLATE COMPRISING SAME

There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr -1 µm -1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr -1 µm -1 in a wavelength...

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Bibliographic Details
Main Authors LEE, Nam-Jeong, KWON, Kyung-Jae, KWAK, Sang-Min, YOUN, Suk-Il
Format Patent
LanguageEnglish
French
German
Published 04.10.2017
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
WORKING-UP
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Summary:There is provided an optical film including an ultraviolet light absorbent having a first peak with a maximum absorption coefficient of 0.07 to 0.10 phr -1 µm -1 in a wavelength band of 290 to 320 nm and a second peak with a maximum absorption coefficient of 0.11 to 0.16 phr -1 µm -1 in a wavelength band of 330 to 400 nm, and acrylic resin, wherein the content of the ultraviolet light absorbent is 0.3 to 1.0 parts by weight with respect to 100 parts by weight of the acrylic resin, and a polarizing plate including the same.
Bibliography:Application Number: EP20140722980