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.

Date of Patent:
Aug. 01, 2006

Filed:

Mar. 24, 2004
Applicants:

Wen-ho Chen, Hsin Chu, TW;

Hui Yen Huang, Hsin Chu, TW;

King Chang Chang, Hsin Chu, TW;

Chia-feng Lin, Tai Chung, TW;

Inventors:

Wen-Ho Chen, Hsin Chu, TW;

Hui Yen Huang, Hsin Chu, TW;

King Chang Chang, Hsin Chu, TW;

Chia-Feng Lin, Tai Chung, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A white light LED assembly has at least two kinds of light-emitting units. The units can be a white light-emitting unit composed of red, green and blue LEDs, a white light-emitting unit composed of a blue and yellowish-green LEDs, a white light-emitting unit composed of a blue LED and yellow phosphor, or a white light-emitting units composed of UV LED and red, green and blue phosphors. The white light LED assembly according to the present invention has satisfactory efficiency and color rendering property as well as flexible phosphor usage.


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