Point emission type light emitting element and concentrating...

Details Point emission type light emitting element and concentrating... Point emission type light emitting element and concentrating...

2005-04-19

2005-04-19

Porta, David (Department: 2878)

Coherent light generators

Particular active media

Semiconductor

C372S043010, C372S045013

Reexamination Certificate

active

06882672

ABSTRACT:
To provide a point emission type light emitting element that restricts the light emitting area within a sufficiently tiny region and can be manufactured at a low cost, the point emission type light emitting element is a light emitting element that has stripe ridge comprising an n-type layer, an active layer and a p-type layer that are formed from semiconductors on a substrate, so as to emit light from one end face of the stripe ridge, wherein the stripe ridge has a protruding portion on the end face described above and the surface of the light emitting element is covered with an shading film except for the tip of the protruding portion.

REFERENCES:
patent: 5428227 (1995-06-01), Satoh
patent: 5640410 (1997-06-01), Yang
patent: 6031857 (2000-02-01), Kinoshita
patent: 6037189 (2000-03-01), Goto
patent: 6058125 (2000-05-01), Thompson
patent: 6134368 (2000-10-01), Sakata
patent: 6455342 (2002-09-01), Kobayashi et al.

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