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:
Nov. 11, 2014
Filed:
Oct. 16, 2012
Applicant:
Lextar Electronics Corporation, Hsinchu, TW;
Inventors:
Feng-Ling Lin, Pingtung, TW;
Po-Shen Chen, New Taipei, TW;
Hui-Ying Chen, Hemei Township, TW;
Chun-Kuang Chen, Taipei, TW;
Tung-Yu Chen, Tainan, TW;
Assignee:
Lextar Electronics Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An embodiment of the invention provides a lamp comprising a control circuit and a light emitting device. The light emitting device comprises a plurality of light emitting units with different wavelengths. The control circuit calibrates a control signal according to an environment light to adjust a light spectrum of the light emitting device by controlling the luminance of each light emitting unit.