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Patent Searching and Data


Title:
OPTICAL SYSTEM FOR BATWING DISTRIBUTION
Document Type and Number:
WIPO Patent Application WO/2009/110976
Kind Code:
A8
Abstract:
A radiation distribution system designed to produce a batwing distribution. The system may be used with radiative sources emitting in the visible spectrum or in other spectra. The system comprises a specially shaped lens disposed over a radiative source, such as an LED, for example. The lens and source are arranged between two reflector bodies, both of which have an elongated reflective surface that faces the source. The reflector bodies each have two different reflective surfaces that face outward and away from each other. The lens and both reflective surfaces work in concert to redirect a portion of the emitted radiation to create the desired batwing distribution. Several sources may be arranged linearly between a single pair of reflector bodies on a common surface to create a linear array of sources. Likewise, multiple linear arrays may be combined to form a two- dimensional array. In the two-dimensional configuration, linear arrays of sources are disposed on both sides of a reflector body, so that both of the reflective surfaces are utilized.

Inventors:
JACOBSON, Benjamin, A. (5319 S. Dorchester Avenue, Chicago, IL, 60615, US)
GENGELBACH, Robert, D. (4785 St. Paul Boulevard, Rochester, NY, 14617, US)
MEDENDORP, Nicholas, W., Jr. (1129 Delvin Court, Raleigh, NC, 27614, US)
ROBERTS, Lawrence (106 Silvercliff Trail, Cary, NC, 27513, US)
PERRY, John (7761 Winners Edge Street, Raleigh, NC, 27617, US)
Application Number:
US2009/001212
Publication Date:
October 07, 2010
Filing Date:
February 25, 2009
Export Citation:
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Assignee:
CREE, INC. (4600 Silicon Drive, Durham, NC, 27703, US)
JACOBSON, Benjamin, A. (5319 S. Dorchester Avenue, Chicago, IL, 60615, US)
GENGELBACH, Robert, D. (4785 St. Paul Boulevard, Rochester, NY, 14617, US)
MEDENDORP, Nicholas, W., Jr. (1129 Delvin Court, Raleigh, NC, 27614, US)
ROBERTS, Lawrence (106 Silvercliff Trail, Cary, NC, 27513, US)
PERRY, John (7761 Winners Edge Street, Raleigh, NC, 27617, US)
International Classes:
F21S8/08; F21V13/04; G02B17/08; G02B27/09; F21Y101/02; H01L33/54
Attorney, Agent or Firm:
PATRICK, Steven, C. et al. (2815 Townsgate Road, Suite 215Westlake Village, CA, 91361, US)
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