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:
Aug. 12, 1997
Filed:
Jul. 05, 1995
Applicant:
Inventors:
Yasuyuki Sakaguchi, Chichibu, JP;
Sigemasa Nakamura, Chichibu, JP;
Yasuo Hosokawa, Chichibu, JP;
Yutaka Saito, Tokyo, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 94 ; 257 95 ; 257 82 ; 257 85 ; 257201 ;
Abstract
A semiconductor light emitting diode includes a compound semiconductor substrate and a double-hetero structure of (Al.sub.x Ga.sub.1-x).sub.y In.sub.1-y P (0.ltoreq.x.ltoreq.1, 0<y<1) as an active layer, and an upper clad layer of the double-hetero structure has a larger band gap energy (Eg) than the band gap energy of the active layer and has a thickness of 3-50 .mu.m.
Sakaguchi, Yasuyuki. (1997). Semiconductor light emitting diode (U.S. Patent No. 5656829). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5656829
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile