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. 23, 1995
Filed:
Mar. 31, 1993
Applicant:
Inventors:
Hisao Nagata, Osaka, JP;
Shuhei Tanaka, Osaka, JP;
Assignee:
Nippon Sheet Glass Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01S / ;
U.S. Cl.
CPC ...
257103 ; 257 49 ; 257 85 ; 257 90 ; 372 44 ;
Abstract
A semiconductor light emitting diode (LED) has a pn junction, a pin junction or a similar junction formed in a polycrystalline layer with a large grain size. The LED is produced on an amorphous, ceramic, polycrystalline or monocrystalline substrate according to a crystalline growth method and light is emitted by injecting an electric current into the junction.