Edge-emitting light emitting diode

Details Edge-emitting light emitting diode Edge-emitting light emitting diode

1983-09-15

1986-05-20

Sikes, William L.

357 7, H01L 3300

Patent

active

045905010

ABSTRACT:
An edge-emitting LED in which light produced in the active layer optically tunnels out of the active layer through a thin confining layer into a single guide layer which is composed of a material which does not absorb light energy. The guide and active layers are constructed so that they are surrounded by layers of lower index of refraction so that an optical wave guide is formed. To minimize light losses by absorption, the non-absorbing guide layer is preferably much thicker than the active and confining layers so that light produced in the active layer travels primarily in the non-absorbing guide layer before it leaves the device at the exit facet of the LED.

REFERENCES:
patent: 3456209 (1969-07-01), Diemer
patent: 3938172 (1976-02-01), Lockwood
patent: 3982207 (1976-09-01), Dingle et al.

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