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:
May. 22, 2012
Filed:
Jun. 17, 2005
Kenji Okishiro, Kodaira, JP;
Shin Imamura, Kokubunji, JP;
Masatoshi Shiiki, Musashimurayama, JP;
Hitachi Displays, Ltd., Chiba, JP;
Panasonic Liquid Crystal Display Co., Ltd., Hyogo-ken, JP;
Abstract
An object of the present invention is to provide a moving picture displayable liquid crystal display device capable of attaining satisfactory moving picture characteristics, color reproducibility and reliability at the same time. A liquid crystal display device according to the present invention comprises a white light source having a blue phosphor, a green phosphor, and a red phosphor and having a light-on state and a light-off state in a single frame; and a liquid crystal display panel which controls an amount of transmitted light from the white light source for each pixel, and which has a color filter for allowing one of blue light, green light, and red light to be transmitted therethrough for each pixel, in which at least one type of the blue color phosphor, green color phosphor, and red color phosphor is a phosphor mixture composed of at least two phosphors having different host material composition, and phosphors having a luminescence center of the same element are used for the phosphor mixture of the same color.