Semiconductor light-emitting device

Details Semiconductor light-emitting device Semiconductor light-emitting device

1998-03-26

2000-02-08

Bovernick, Rodney

Coherent light generators

Particular active media

Semiconductor

H01S 319

Patent

active

060234830

ABSTRACT:
A semiconductor light-emitting device comprising a substrate having thereon: a first conductive type first clad layer; an active layer; a second conductive type first clad layer having a stripe region to which a current is injected and the remaining region; a ridge portion comprising: a ridge-shape second conductive type second clad layer formed on the stripe region of the second conductive type first clad layer; a second conductive type contact layer formed on the ridge-shape second conductive type second clad layer; and a protective film formed on the second conductive type first clad layer to cover the remaining region thereof, wherein a part of the second conductive type second clad layer is formed on said protective film, or wherein said contact layer is formed on a substantially whole surface area of said second conductive type second clad layer, or wherein said ridge portion has no protective layer on the side surface thereof.

REFERENCES:
patent: 5376581 (1994-12-01), Shimoyama et al.
patent: 5477063 (1995-12-01), Shakuda
patent: 5586136 (1996-12-01), Honda et al.
patent: 5663976 (1997-09-01), Razeghi
patent: 5844931 (1998-12-01), Sagawa et al.
Electronics Letters, Jul. 30, 1992, vol. 28, No. 16, pp. 1531-1532.

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