Optical film and electroluminescence display device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12204126
APP PUB NO 20230358935A1
SERIAL NO

18354234

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Importance

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Abstract

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Provided is an optical film and an electroluminescence display device that suppress a decrease in transmittance of a front surface and suppress a change in tint in an oblique direction with respect to the front surface, in a case of being used in a micro LED. The optical film includes a light absorption anisotropic layer containing a dichroic coloring agent compound, in which the light absorption anisotropic layer has an absorption axis in a normal direction of the film and has an alignment degree of 0.7 or greater at 530 nm, and in a case where transmittances at 460 nm, 530 nm, and 630 nm in a direction of 45° with respect to the normal direction of the film are respectively defined as Tb, Tg, and Tr, relationships of Expressions 0.1≤Tb/Tr≤0.5 (1) and 0.2≤Tg/Tr≤0.6 (2) are satisfied.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM CORPORATION26-30 NISHIAZABU 2-CHOME MINATO-KU TOKYO 1068620 JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishimura, Naoya Kanagawa, JP 105 551

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