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:
Nov. 15, 1983
Filed:
Jul. 06, 1981
Applicant:
Inventor:
Gregory H Olsen, East Windsor, NJ (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 45 ; 357 17 ; 372 46 ;
Abstract
A light emitting device comprising a first confinement layer, an active layer having a vee-shaped groove therein extending from a surface thereof towards the first confinement layer and a second confinement layer filling the groove and overlying the surface of the active layer. Electrical current flowing in the device flows through the grooved portion of the active region thereby providing confinement of the current and the light beam emitted by the device in the plane of the active layer.