The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2012
Filed:
Jul. 07, 2010
Satoshi Ohkuma, Tokyo, JP;
Atsuko Kamada, Tokyo, JP;
Yoshiko Ishimaru, Tokyo, JP;
Kenji Muneuchi, Tokyo, JP;
Hidesato Hagiwara, Tokyo, JP;
Takashi Yamauchi, Tokyo, JP;
Noriko Asahi, Tokyo, JP;
Satoshi Ohkuma, Tokyo, JP;
Atsuko Kamada, Tokyo, JP;
Yoshiko Ishimaru, Tokyo, JP;
Kenji Muneuchi, Tokyo, JP;
Hidesato Hagiwara, Tokyo, JP;
Takashi Yamauchi, Tokyo, JP;
Noriko Asahi, Tokyo, JP;
Toppan Printing Co., Ltd., Tokyo, JP;
Abstract
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.