Selective filtering of wavelength-converted semiconductor...

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With particular semiconductor material

Reexamination Certificate

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C257S098000, C313S503000, C313S491000, C356S300000

Reexamination Certificate

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07026663

ABSTRACT:
A structure includes a semiconductor light emitting device including a light emitting layer disposed between an n-type region and a p-type region. The light emitting layer emits first light of a first peak wavelength. A wavelength-converting material that absorbs the first light and emits second light of a second peak wavelength is disposed in the path of the first light. A filter material that transmits a portion of the first light and absorbs or reflects a portion of the first light is disposed over the wavelength-converting material.

REFERENCES:
patent: 5813752 (1998-09-01), Singer et al.
patent: 5813753 (1998-09-01), Vriens et al.
patent: 5952681 (1999-09-01), Chen
patent: 5962971 (1999-10-01), Chen
patent: 6340824 (2002-01-01), Komoto et al.
patent: 6717355 (2004-04-01), Takahashi et al.
patent: 2003/0227249 (2003-12-01), Mueller et al.
patent: 2004/0021859 (2004-02-01), Cunningham
patent: 1 220 332 (2002-07-01), None
Patent Abstracts of Japan, Publication No. 07099345, Publication Date: Apr. 11, 1995, 1 page.
European Search Report, 3 pages.

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