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. 12, 2009
Filed:
Sep. 18, 2006
Applicant:
Ichiro Murai, Chino, JP;
Inventor:
Ichiro Murai, Chino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G02F 1/1335 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electro-optical device includes a display panel, and an illumination device having a plurality of light sources emitting light of red, green, blue, and white. The illumination device is configured to illuminate the display panel by transmitting the light emitted from the plurality of light sources through the display panel. The chromaticity of a display screen of the display panel is adjusted to a predetermined chromaticity by changing the time for which each of the plurality of light sources is turned on within a time period of one frame.
Murai, Ichiro. (2009). Illumination device, electro-optical device, and electronic apparatus (U.S. Patent No. 7530722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7530722
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile