POLYIMIDE-BASED POLYMER FILM, AND SUBSTRATE FOR DISPLAY DEVICE, AND OPTICAL DEVICE, EACH USING SAME

The present disclosure relates to a polyimide-based resin film in which a refractive index difference (Δn) obtained by Equation 1 is 0.0068 or less, and a yellow index at a thickness of 10 µm is 5.5 or less, and a substrate for display device, and an optical device using the same.

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Bibliographic Details
Main Authors HONG, Ye Ji, LEE, Min Wook, PARK, Chan Hyo, PARK, Hangah, KANG, Mi Eun
Format Patent
LanguageEnglish
French
German
Published 28.06.2023
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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:The present disclosure relates to a polyimide-based resin film in which a refractive index difference (Δn) obtained by Equation 1 is 0.0068 or less, and a yellow index at a thickness of 10 µm is 5.5 or less, and a substrate for display device, and an optical device using the same.
Bibliography:Application Number: EP20220850566