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:
Jul. 20, 2010
Filed:
Jun. 10, 2008
Wen-huang Liu, Guan-Xi, TW;
Chen-fu Chu, Hsinchu, TW;
Jiunn-yi Chu, Chubei, TW;
Chao-chen Cheng, Hsinchu, TW;
Hao-chun Cheng, Donggang Township, Pingtung County, TW;
Feng-hsu Fan, Jhonghe, TW;
Yuan-hsiao Chang, Daya Township, Taichung County, TW;
Wen-Huang Liu, Guan-Xi, TW;
Chen-Fu Chu, Hsinchu, TW;
Jiunn-Yi Chu, Chubei, TW;
Chao-Chen Cheng, Hsinchu, TW;
Hao-Chun Cheng, Donggang Township, Pingtung County, TW;
Feng-Hsu Fan, Jhonghe, TW;
Yuan-Hsiao Chang, Daya Township, Taichung County, TW;
SemiLEDs Optoelectronics Co., Ltd., Chu-Nan, TW;
Abstract
Techniques for controlling current flow in semiconductor devices, such as LEDs are provided. For some embodiments, a current guiding structure may be provided including adjacent high and low contact areas. For some embodiments, a second current path (in addition to a current path between an n-contact pad and a metal alloy substrate) may be provided. For some embodiments, both a current guiding structure and second current path may be provided.