Semiconductor light-emitting apparatus having wavelength...

Details Semiconductor light-emitting apparatus having wavelength... Semiconductor light-emitting apparatus having wavelength...

2007-08-21

2007-08-21

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C257S079000

Reexamination Certificate

active

11013362

ABSTRACT:
A semiconductor light-emitting apparatus which has a simple structure can include a base having a concave portion having an upward opening, a semiconductor light-emitting device placed on the bottom of the concave portion, and a wavelength conversion portion for converting the wavelength of light emitted from the semiconductor light-emitting device. The wavelength conversion portion can include first and second wavelength conversion layers formed on the bottom of the concave portion and in the opening thereof at a distance above the device, respectively. A space defined by the base having the concave portion and the second wavelength conversion layer can be provided with a sealing portion containing a material for transmitting the light emitted from the semiconductor device and light that is emitted from the first and second wavelength conversion layers.

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