Toppan Printing Co., Ltd.

Nippon Kayaku Kabushiki Kaisha

Noriko Asahi

Takashi Yamauchi

Satoshi Ohkuma

Hidesato Hagiwara

Yoshiki Akatani

Yutaka Ishii

Takaaki Kurata

Yoshiko Ishimaru

Yasuyuki Demachi

Kenji Muneuchi

Atsuko Kamada

A liquid crystal display device which includes a backlight device provided with an LED, and a color filter having colored layers of plural colors including a green layer, wherein the green layer of the color filter contains brominated zinc phthalocyanine green pigment and a dielectric loss tangent of the green layer at a driving frequency of a liquid crystal display device is confined to not more than 0.02.

Liquid crystal display device and color filter for liquid crystal display device

Disclosed is a dye-containing blue color composition for color filter, including a triarylmethane-based dye having a structure represented by the following formula (1): wherein R, R, R, R, Rand Reach independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms which may have a substituent, a phenyl group which may have a substituent or a benzyl group which may have a substituent, R, R, R, R, R, R, R, R, R, R, R, R, Rand Reach independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms which may have a substituent or a halogen atom and X represents a tristrifluoromethanesulfonylmethide anion.

Blue color composition containing dye, color filter and liquid crystal display device and organic EL display provided with the color filter

Growing community of inventors

Tokyo, Japan

Noriko Asahi