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:
Oct. 24, 2006
Filed:
Mar. 07, 2005
Osamu Yokoyama, Shiojiri, JP;
Tatsuya Shimoda, Suwa-gun, JP;
Satoru Miyashita, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A red light source comprising an array of LEDsR that emit light of a red color, a green light source comprising an array of LEDsG that emit light of a green color, and a blue light source comprising an array of LEDsB that emit light of a blue color are deployed about the periphery of a dichroic prism. A liquid crystal display element is illuminated by a light source device configured such that the light from the respective light sources is synthesized into white light by the dichroic prism, and projection type liquid crystal display devices and the like are configured.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile