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Patent Searching and Data


Title:
COMPACT LIGHT-MIXING LED LIGHT ENGINE AND WHITE LED LAMP WITH NARROW BEAM AND HIGH CRI USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/085146
Kind Code:
A3
Abstract:
A directional lamp comprises a light source, a beam forming optical system configured to form light from the light source into a light beam, and a light mixing diffuser arranged to diffuse the light beam. The light source, beam forming optical system, and light mixing diffuser are secured together as a unitary lamp. The beam forming optical system includes: a collecting reflector having an entrance aperture receiving light from the light source and an exit aperture that is larger than the entrance aperture, and a lens disposed at the exit aperture of the collecting reflector, the light source being positioned along an optical axis of the beam forming optical system at a distance from the lens that is within plus or minus ten percent of a focal length of the lens.

Inventors:
ALLEN GARY R (US)
WEAVER STANTON E (US)
MULDER R STEPHEN (US)
DUDIK DAVID C (US)
KAMINSKI MARK E (US)
Application Number:
PCT/US2011/020442
Publication Date:
November 10, 2011
Filing Date:
January 07, 2011
Export Citation:
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Assignee:
GEN ELECTRIC (US)
ALLEN GARY R (US)
WEAVER STANTON E (US)
MULDER R STEPHEN (US)
DUDIK DAVID C (US)
KAMINSKI MARK E (US)
International Classes:
F21V13/12; F21K99/00
Foreign References:
EP1995510A12008-11-26
US20090296384A12009-12-03
US20070019409A12007-01-25
US20080106887A12008-05-08
US20090161356A12009-06-25
US20080062682A12008-03-13
US20090103296A12009-04-23
Other References:
See also references of EP 2524163A2
Attorney, Agent or Firm:
DIMAURO, Peter T. et al. (Global Patent Operation2 Corporate Drive, Suite 64, Shelton CT, US)
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