Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction
Patent
1995-07-06
1997-05-20
Mintel, William
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With heterojunction
257 95, 257 96, 257 97, 257103, 257 99, H01L 3300
Patent
active
056314752
ABSTRACT:
A semiconductor light emitting element comprising a light emitting part comprising an AlGaInP active layer and a AlGaInP cladding layer, which is formed on a GaAs substrate, and an AlGaAs layer and a Ga.sub.x In.sub.1-x P layer (0.7.ltoreq.x.ltoreq.1.0) deposited in this order on said light emitting part, wherein said Ga.sub.x In.sub.1-x P layer has a thickness of not more than 1.0 .mu.m. According to the present invention, absorption of the emitted light by an electrode contact layer and the occurrence of an interfacial distortion between the electrode contact layer and the layer thereunder can be suppressed, and a semiconductor light emitting element permitting easy production thereof and having a high luminance and a long service life can be provided.
REFERENCES:
patent: 4897846 (1990-01-01), Yoshida et al.
patent: 5278857 (1994-01-01), Yuge et al.
patent: 5410159 (1995-04-01), Sugawara et al.
patent: 5466950 (1995-11-01), Sugawara et al.
patent: 5481122 (1996-01-01), Jou et al.
Hashimoto Takayuki
Okagawa Hiroaki
Tadatomo Kazuyuki
Watabe Shinichi
Mintel William
Mitsubishi Cable Industries Ltd.
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