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:
May. 28, 2002
Filed:
Dec. 02, 1999
Applicant:
Inventors:
Wang Nang Wang, Bath, GB;
Stephen Sen-Tien Lee, Taipei, TW;
Assignee:
Arima Optoelectronics, Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 ; H01L 3/300 ;
U.S. Cl.
CPC ...
H01S 5/00 ; H01L 3/300 ;
Abstract
A semiconductor device has a window layer ( ), a current spreading layer ( ) below the window layer and a cladding layer ( ) below the current spreading layer. The band gap energy of the spreading layer is higher than that of the window layer and lower than that of the cladding layer and the carrier concentration of the spreading layer is lower than that of the window layer and higher than that of the cladding layer.
Wang, Wang. (2002). Led with spreading layer (U.S. Patent No. 6396862). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6396862
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile