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:
Aug. 26, 2014
Filed:
Apr. 15, 2009
Anmin Zheng, Fremont, CA (US);
Changming Gu, Shanghai, CN;
Yao Zheng, Shanghai, CN;
Rongzhuang Mao, Shanghai, CN;
Fei Xiong, Shanghai, CN;
Xiaohu Liu, Shanghai, CN;
Anmin Zheng, Fremont, CA (US);
Changming Gu, Shanghai, CN;
Yao Zheng, Shanghai, CN;
Rongzhuang Mao, Shanghai, CN;
Fei Xiong, Shanghai, CN;
Xiaohu Liu, Shanghai, CN;
Shanghai Foreal Optoelectronic Co., Ltd, Shanghai, CN;
Abstract
System and method for LED light source. According to an embodiment, the present invention provides a an LED light system for emitting substantially white light. The system includes a first dichroic element, the first dichroic element comprises a first dichroic surface having a first coating, the first coating being adapted to reflect over 95% of a first color and transmit over 95% of a second color, the first dichroic surface having a first side and a second side. The system also includes a second dichroic element, the second dichroic element comprises a second dichroic surface having a second coating, the second coating being adapted to reflect over 95% of a third color and transmit 95% of a fourth color, the second dichroic surface having a third side and a fourth side.