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:
Apr. 06, 2010
Filed:
Jan. 25, 2007
Applicants:
Jung-hye Chae, Seoul, KR;
Jong-in Shim, Seoul, KR;
Kyoung-ho Ha, Seoul, KR;
Kyu-sang Kim, Seoul, KR;
Han-youl Ryu, Suwon-si, KR;
Inventors:
Jung-hye Chae, Seoul, KR;
Jong-in Shim, Seoul, KR;
Kyoung-ho Ha, Seoul, KR;
Kyu-sang Kim, Seoul, KR;
Han-youl Ryu, Suwon-si, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor laser diode including a substrate, and a first semiconductor layer, an active layer, a second semiconductor layer and an electrode sequentially formed on the substrate is provided. In the semiconductor laser diode, the second semiconductor layer has a ridge and the electrode is formed on the ridge of the second semiconductor layer at a width which is less than the width of the ridge.