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:
Dec. 08, 2015
Filed:
Mar. 02, 2012
Hung-lieh HU, Hsinchu, TW;
Chen-peng Hsu, Hsinchu, TW;
Hsin-yun Tsai, Baoshan Township, Hsinchu County, TW;
Shih-yi Wen, Taipei, TW;
Hung-Lieh Hu, Hsinchu, TW;
Chen-Peng Hsu, Hsinchu, TW;
Hsin-Yun Tsai, Baoshan Township, Hsinchu County, TW;
Shih-Yi Wen, Taipei, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
An light device, includes a plurality of first light cells arranged axisymmetrically about an axis; a plurality of second light cells arranged axisymmetrically around the axis; and a controller coupled to a brightness adjust unit, and determines whether to activate the first light cells and second light cells according to a brightness adjust value of the brightness adjust unit, wherein the average distance between the first light cells and the axis is shorter than the average distance between the second light cells and the axis.