High efficiency light-emitting diode

Details High efficiency light-emitting diode High efficiency light-emitting diode

1986-05-27

1988-01-12

Sikes, William L.

Coherent light generators

Particular component circuitry

Optical pumping

357 16, 372 45, 372 46, H01L 3300, H01S 319

Patent

active

047194979

ABSTRACT:
A structure and method for use in optical communication systems is provided in which a metal is diffused in a heterojunction region beneath a metal contact of a AlGaAs light emitting diode. This structure and method significantly reduces the contact shadowing problem due to current crowding beneath the contact thus increasing the light output from the device.

REFERENCES:
patent: 4011113 (1977-03-01), Thompson et al.
patent: 4213808 (1980-07-01), Thompson et al.
patent: 4280858 (1981-07-01), Van Opdorp et al.
patent: 4517674 (1985-05-01), Liu et al.

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