White light emitting device

Details White light emitting device White light emitting device

2007-02-22

2010-10-26

Koslow, C. Melissa (Department: 1793)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C252S30140S, C252S30160S, C252S30140F, C252S30140P, C313S503000, C313S498000, C257S098000, C349S071000, C362S097200, C362S097300

Reexamination Certificate

active

07820073

ABSTRACT:
A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a blue LED and a mixture of orange phosphor and green phosphor disposed above the blue LED.

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Chinese Office Action, with English translation, issued in Chinese Patent Application No. 200710079928.3, mailed Feb. 20, 2009.
Xie, R-J, et al., “Eu2+-doped Ca-α-SiAION: A yellow phosphor for white light-emitting diodes”, Applied Physics Letters, Jun. 28, 2004, pp. 5404-5406, vol. 84 No. 26, American Institutes of Physics.
Chinese Office Action, w/ English translation thereof, issued in Patent Application No. CN 2007100799283 dated on Aug. 15, 2008.
Notice of Office Action dated May 25, 2010, issued in counterpart Japanese Application No. 2007- 041161.

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