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:
Feb. 25, 1992
Filed:
Sep. 06, 1990
Applicant:
Inventor:
Tomoaki Yoshida, Natori, JP;
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
Ricoh Research Institute of General Electronics Co., Ltd., Natori, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 17 ; 357 16 ; 357 55 ; 357 45 ; 372 48 ; 372 50 ; 372 45 ; 372 46 ;
Abstract
A semiconductor light emitting array device including: a substrate having an upper surface and a lower surface; and a plurality of light emitting elements formed on the substrate in a row and isolated from each other by a separating groove. Each element emits light from a side end surface thereof in a direction parallel to the substrate surface. The groove has a portion formed in a direction other than in parallel to the direction of light in a plan view thereof.
Quick Actions:
Yoshida, Tomoaki. (1992). Semiconductor light emitting array with particular surfaces (U.S. Patent No. 5091757). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5091757
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile