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. 19, 1994
Filed:
Jun. 25, 1993
Applicant:
Inventors:
Assignee:
Oki Electric Industry Co., Ltd., Minato, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 82 ; 257 81 ; 257 83 ; 257723 ;
Abstract
The present invention relates to a light-activated semiconductor device comprising light-emitting elements for emitting light respectively, light-receiving elements for producing driving voltages in response to the light respectively and output elements activated in response to the driving voltages respectively. The light-receiving elements are disposed on two planes opposed to each other. The output elements are disposed on their corresponding planes in opposing relationship.