Multiple encapsulation of phosphor-LED devices

Details Multiple encapsulation of phosphor-LED devices Multiple encapsulation of phosphor-LED devices

1998-09-01

1999-09-28

Mintel, William

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With reflector, opaque mask, or optical element integral...

257 99, 257100, 257788, 257789, 257790, 257793, H01L 3300

Patent

active

059593164

ABSTRACT:
A semiconductor device has a light-emitting diode covered by a transparent spacer which separates the LED from a uniformly thick fluorescent material containing layer such that there is a more uniform lighting of the fluorescent material containing layer to provide a uniform white light.

REFERENCES:
patent: 3787684 (1974-01-01), Isenberg
patent: 5379186 (1995-01-01), Gold et al.
patent: 5561329 (1996-10-01), Mine et al.
patent: 5593721 (1997-01-01), Daidai et al.
patent: 5813753 (1998-09-01), Vriens

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