Title:
LED電球
Document Type and Number:
Japanese Patent JP4290887
Kind Code:
B2
Abstract:
The invention relates to a LED lamp having a gear column which is connected, at its first end, to a lamp cap and, at its other end, to a substrate. The substrate is provided with a regular polyhedron of at least four planes, the planes having at least one LED having a luminous flux of at least 5 lm. The gear column also have heat-dissipating means which interconnect the substrate and the lamp cap. A continuous and regular illumination with a high luminous flux can be obtained using a LED lamp of this type.
Inventors:
Begman Simon Etch A
Application Number:
JP2000571186A
Publication Date:
July 08, 2009
Filing Date:
September 13, 1999
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
F21S2/00; F21K9/232; F21K99/00; F21S8/04; F21S10/00; F21V29/00; F21V29/02; F21W121/00; F21Y107/40; F21Y113/17; F21Y115/10
Domestic Patent References:
JP348252U | ||||
JP249007U | ||||
JP1157456U | ||||
JP61141707U |
Attorney, Agent or Firm:
Susumu Tsugaru
Akihiko Miyazaki
Akihiko Miyazaki
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