Industry Patents

Patent: 7322719

Illumination System

(Click image for PDF of full patent)

 

Patent Number: 7322719 
Title: Illumination System 
Abstract: An illumination system comprises a first light source device, a second light source device and a second reflecting portion. A first reflecting portion of the first light source device covers a part area of an opening of a reflecting shade, and the other area of the opening is formed a first light outlet. The second light source device is installed in front of the opening and has a second light outlet. A second reflecting portion is installed between the first and the second light source devices. After overlapping the optical routes of the multiple light source devices and integrating beams into a parallel light beam, the parallel light beam is then output out of the single light source device. Therefore, the brightness of entirety can be enhanced, and the uniformity of images on the screen is still maintained even one of the light source devices is damaged.  
Country of Issue: US 
First Named Inventor: Cheng 
Assignee: Coretronic Corporation 
Continuation or Divisional of:  
International Classification: F21V 7/00 
US Classification: 362/298 
Issue Date: 01-29-2008 
Filing Date: 11-24-2005 
Application : 11/164487 
Notes:  
Link to Patent at freepatentsonline.com: 7322719 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 7322719 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

Disclaimer: This web site is not intended to offer comprehensive or sufficient information to enable a full legal analysis of a patent or potential infringement. The information provided on this web site is intended as general information only, and is not intended to serve as legal opinion, legal advice or as a substitute for legal counsel. If you have a question about a specific factual situation, you should contact an attorney directly