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:
Feb. 22, 2011
Filed:
Jun. 21, 2005
Yuka Utsumi, Hitachi, JP;
Yasushi Tomioka, Hitachinaka, JP;
Akitoyo Konno, Hitachi, JP;
Katsumi Kondo, Mito, JP;
Yuka Utsumi, Hitachi, JP;
Yasushi Tomioka, Hitachinaka, JP;
Akitoyo Konno, Hitachi, JP;
Katsumi Kondo, Mito, JP;
Hitachi Displays, Ltd., Chiba, JP;
Abstract
A liquid crystal display apparatus having first white color light sources and blue and/or red second coloring light sources disposed on a back side of a liquid crystal panel, and an image quality processing calculation circuit for detecting a brightness of input image signals, in accordance with a detection result, controlling intensities of the first white color light sources and/or second coloring light sources and correcting pixel signals to be supplied to the liquid crystal panel.