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:
Jul. 30, 2002
Filed:
Feb. 20, 2001
Fu-Ming Chuang, Hsin-Chu Hsien, TW;
Prokia Technology Co., Ltd., , TW;
Abstract
An illuminating apparatus that utilizes a plurality of light sources to generate bright input light for a projection display. The apparatus includes a lighting unit, a first reflector having a central region formed with an opening, a peripheral region around the central region for reflecting light from a plurality of lighting members to converge rearwardly, a second reflector disposed behind the first reflector and facing the opening in the first reflector, such that the light rays pass through the opening in the first reflector, and an integrator disposed in front of the first reflector to receive the light rays which passed through the opening in the first reflector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile