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:
Jun. 17, 2014
Filed:
Dec. 31, 2012
Epistar Corporation, Hsinchu, TW;
Jui Hung Yeh, Hsinchu, TW;
Chun Kai Wang, Hsinchu, TW;
Wei Yu Yen, Hsinchu, TW;
Yu Yao Lin, Hsinchu, TW;
Chien Fu Shen, Hsinchu, TW;
De Shan Kuo, Hsinchu, TW;
Ting Chia Ko, Hsinchu, TW;
Epistar Corporation, Hsinchu, TW;
Abstract
A light-emitting element includes a light-emitting stack includes: a first semiconductor layer; an active layer formed on the first semiconductor layer; and a second semiconductor layer formed on the active layer; a recess structure formed through the second semiconductor layer, the active layer, and extended in the first semiconductor layer, wherein the first semiconductor layer includes a contact region defined by the recess structure; a first electrode structure including a first contact portion on the contact region of the first semiconductor layer, and a second contact portion laterally extended from the first contact portion into the first semiconductor layer; and a dielectric layer formed on side surfaces of the second semiconductor layer and the active layer to insulate the second semiconductor layer and the active layer from the first contact portion.