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:
Jan. 25, 2022
Filed:
Oct. 05, 2018
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Jung-Ho Cha, Yongin-si, KR;
Seong-Gu Kim, Pyeongtaek-si, KR;
Dong-Jae Shin, Seoul, KR;
Yong-Hwack Shin, Hwaseong-si, KR;
Kyoung-Ho Ha, Seoul, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/02 (2006.01); H01S 5/10 (2021.01); H01S 5/20 (2006.01); H01S 5/024 (2006.01); H01S 5/026 (2006.01); H01S 5/323 (2006.01); H01S 5/042 (2006.01); H01S 5/40 (2006.01); H01S 5/32 (2006.01); H01S 5/343 (2006.01); H01S 5/34 (2006.01); H01S 5/125 (2006.01); H01S 5/227 (2006.01);
U.S. Cl.
CPC ...
H01S 5/021 (2013.01); H01S 5/026 (2013.01); H01S 5/0265 (2013.01); H01S 5/02461 (2013.01); H01S 5/0421 (2013.01); H01S 5/1003 (2013.01); H01S 5/2018 (2013.01); H01S 5/3213 (2013.01); H01S 5/32308 (2013.01); H01S 5/32341 (2013.01); H01S 5/4025 (2013.01); H01S 5/0215 (2013.01); H01S 5/0217 (2013.01); H01S 5/04257 (2019.08); H01S 5/125 (2013.01); H01S 5/2063 (2013.01); H01S 5/227 (2013.01); H01S 5/3402 (2013.01); H01S 5/343 (2013.01); H01S 5/34333 (2013.01); H01S 5/4031 (2013.01); H01S 2304/04 (2013.01);
Abstract
A semiconductor laser device includes a first cladding including gallium nitride (GaN) on a substrate, a light waveguide on the first cladding, a first contact pattern, a first SCH pattern, a first active pattern, a second SCH pattern, a second cladding and a second contact pattern sequentially stacked on the light waveguide, and first and second electrodes on the first and second contact patterns, respectively.