Semiconductor light emitting light concentration device

Details Semiconductor light emitting light concentration device Semiconductor light emitting light concentration device

1991-04-26

1993-01-19

Epps, Georgia Y.

Coherent light generators

Particular active media

Semiconductor

372 44, 257 92, 257 98, H01S 319

Patent

active

051812207

ABSTRACT:
A semiconductor light emitting light concentration device is described which has a multiple diffraction ring for collecting and concentrating the light emitted from an LED integrally formed into the electrode at the semiconductor substrate end of the light emitting device.

REFERENCES:
patent: 3649837 (1972-03-01), Lehovec
patent: 3668404 (1972-06-01), Lehovec
patent: 4605943 (1986-08-01), Nakamura et al.
patent: 5038354 (1991-08-01), Yagi
Examiner's Report to the Comptroller Under Section 17(5), Application No. 8617210.

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