Solid state illumination device

Details Solid state illumination device Solid state illumination device

2011-05-17

2011-05-17

Lee, Diane I (Department: 2875)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S373000, C362S800000, C362S084000, C362S230000, C362S231000

Reexamination Certificate

active

07942556

ABSTRACT:
A solid state illumination device includes a semiconductor light emitter mounted on a base and surrounded by sidewalls, e.g., in a circular, elliptical, triangular, rectangular or other appropriate arrangement, to define a chamber. A top element, which may be reflective, may be coupled to the sidewalls to further define the chamber. The light produced by the semiconductor light emitter is emitted through the sidewalls of the chamber. The sidewalls and/or top element may include wavelength converting material, for example, as a plurality of dots on the surfaces. An adjustable wavelength converting element may be used within the chamber, with the adjustable wavelength converting element being configured to adjust the surface area that is exposed to the light emitted by the semiconductor light emitter in the chamber to alter an optical property of the chamber.

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