White light-emitting device

Details White light-emitting device White light-emitting device

2006-04-11

2006-04-11

Nguyen, Cuong (Department: 2811)

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

Incoherent light emitter structure

Plural light emitting devices

C257S089000, C257S098000, C257S100000

Reexamination Certificate

active

07026656

ABSTRACT:
A white light-emitting device has a semiconductor light-emitting chip, configured to emit light and at least one (Ba1−xMx)Al2O4phosphor to absorb the light emitted from the semiconductor light-emitting chip to emit a white light, where M is consisted of at least one of Eu, Bi, Mn, Ce, Tb, Gd, La, Mg and Sr, 1>x>0.

REFERENCES:
patent: 6812500 (2004-11-01), Reeh et al.
patent: 6844671 (2005-01-01), Setlur et al.
patent: 6921928 (2005-07-01), Sonobe

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