Title:
Flat lighting device
Document Type and Number:
Japanese Patent JP6352292
Kind Code:
B2
Abstract:
The present invention relates to a flat lighting device (1) comprising a carrier (2) including a thermally conductive layer (7), at least one solid state light source (3) arranged on a front side of the carrier (2), and an electrically insulating cover member (5a, 5b) in thermal contact with said front side and a back side opposite said front side. The cover member (5a, 5b) is adapted to transfer heat from said carrier (2) out of the lighting device. The cover member (5a, 5b) comprises an optical structure (4) arranged on the carrier (2) in front of the at least one light source (3) and adapted to direct the light emitted by the at least one solid state light source (3).
Inventors:
Buckems Peter Johannes Martinus
Rice camper peter
Kadike Simon Emme
Anthems Johannes Petras Maria
Rice camper peter
Kadike Simon Emme
Anthems Johannes Petras Maria
Application Number:
JP2015546137A
Publication Date:
July 04, 2018
Filing Date:
December 05, 2013
Export Citation:
Assignee:
Philips Lighting Holding BV
International Classes:
F21K9/237; F21S2/00; F21V29/503
Domestic Patent References:
| JP2012146552A | ||||
| JP2011070971A | ||||
| JP2012038466A |
Foreign References:
| WO2012095758A2 | ||||
| WO2011107925A1 | ||||
| US5463280 | ||||
| US5749646 | ||||
| EP2058584A1 | ||||
| EP2295853A1 |
Attorney, Agent or Firm:
Sakiko Shibata
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