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Patent Searching and Data


Title:
A LED LAMP AND A METHOD OF CONTROLLING A LED LAMP
Document Type and Number:
WIPO Patent Application WO/2019/137909
Kind Code:
A1
Abstract:
A LED lamp has a central LED group and at least one peripheral, i.e. annular, arrangement of LED groups, with a collimator lens provided over the LED array. The central LED group and the peripheral arrangement of LED groups can be driven independently to implement beam angle control and/or beam steering. This provides electronic control in way which does not impact on the optical efficacy of the lamp.

Inventors:
QIN HEXI (NL)
ZHANG JIANG (NL)
Application Number:
EP2019/050332
Publication Date:
July 18, 2019
Filing Date:
January 08, 2019
Export Citation:
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Assignee:
SIGNIFY HOLDING BV (NL)
International Classes:
F21V5/04; F21V7/00; F21V23/04; F21Y105/18; F21Y115/10
Domestic Patent References:
WO2013088299A12013-06-20
WO2009063411A22009-05-22
WO2011144597A22011-11-24
Foreign References:
US9470406B22016-10-18
US20130208466A12013-08-15
US20170268743A12017-09-21
US20130214696A12013-08-22
EP2578452A12013-04-10
US9470406B22016-10-18
Attorney, Agent or Firm:
VAN EEUWIJK, Alexander, Henricus, Walterus (NL)
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