Method of manufacturing closed cavity LED

Details Method of manufacturing closed cavity LED Method of manufacturing closed cavity LED

1993-04-12

1994-10-25

Breneman, R. Bruce

Fishing, trapping, and vermin destroying

437105, 437107, 437126, 437127, 437129, 437133, 372 45, H01L 21265

Patent

active

053588800

ABSTRACT:
A method of manufacturing a closed cavity LED including forming, on a substrate, a short cavity LED with electrically conductive layers on opposite ends. Depositing a transparent conductive layer of material over one electrically conductive layer and affixing glass or a diamond film over the transparent conductive layer to define and protect a light output area. Removing the substrate and covering the top and sides of the cavity with dielectric material and contact metal. The metal being in contact with the transparent conductive layer and the other electrical contact layer. Thus, a reflector covers the cavity in all directions except the light output area to increase external efficiency.

REFERENCES:
patent: 3959045 (1976-05-01), Antypas
patent: 4602370 (1986-07-01), Tsang
patent: 4949350 (1990-08-01), Jewell et al.
patent: 5034092 (1991-07-01), Lebby et al.

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