LED-based changeable color light lamp

Details LED-based changeable color light lamp LED-based changeable color light lamp

2007-12-03

2010-10-12

Lee, Gunyoung T (Department: 2875)

Illumination

Light source and modifier

Adjustable or repositionable modifier

C362S231000, C362S311010

Reexamination Certificate

active

07810954

ABSTRACT:
Systems and methods are described that facilitate providing a user with interchangeable phosphor-coated shells, or envelopes, for generate different shades and intensities of white light from a single UV light source. The interchangeability of the low-cost phosphor-coated envelopes permits the use of a single light engine, which is the more expensive component of a solid state lamp. In this manner, consumers are provided with a greater number of lighting choices at low cost than can be achieved using conventional single-envelope lamps.

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patent: 2005/0162864 (2005-07-01), Verdes et al.
patent: 2005/0243550 (2005-11-01), Stekelenburg

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