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:
Nov. 28, 2006
Filed:
Mar. 20, 2002
Makoto Tsumura, Hitachi, JP;
Tsunenori Yamamoto, Hitachi, JP;
Tatsuki Inuduka, Mito, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A multi-color display system operates to suppress deterioration in resolution and increase in power consumption or deterioration in brightness. The multi-color display system includes n types of spectrum selecting means; m types of light sources each having a different spectral distribution; light source controlling means for controlling, on a time-division basis, emissions from the m types of light sources; color light sources controlled by the light source controlling means and the n types of spectrum selecting means, the number of the color light sources being not less than n+1, but not more than n×m; and a light valve for controlling transmittance or reflectance of light in accordance with image information.