Bibliographic data

Document DE602004013138T2 (Pages: 17)

Bibliographic data Document DE602004013138T2 (Pages: 17)
INID Criterion Field Contents
54 Title TI [DE] VERFAHREN UND SCHALTUNG ZUR STEUERUNG DES STROMS VON LEUCHTDIODEN
71/73 Applicant/owner PA Koninklijke Philips Electronics N.V., Eindhoven, NL
72 Inventor IN XU, Peng, Briarcliff Manor, NY 10510-8001, US
22/96 Application date AD Apr 30, 2004
21 Application number AN 602004013138
Country of application AC DE
Publication date PUB May 7, 2009
33
31
32		 Priority data PRC
PRN
PRD		 IB
2004001456
Apr 30, 2004
33
31
32		 PRC
PRN
PRD		 US
46855303
May 7, 2003
51 IPC main class ICM H05B 33/08 (2006.01)
51 IPC secondary class ICS
IPC additional class ICA
IPC index class ICI
Cooperative patent classification CPC H05B 45/3725
Y02B 20/30
MCD main class MCM H01L 33/00 (2010.01)
MCD secondary class MCS H05B 44/00 (2022.01)
MCD additional class MCA
57 Abstract AB [EN] A flow of a LED current (ILED2) through one or more LEDs is controlled by a LED current control circuit (50-54) implementing a method (30) that is independent of an input line and a load of the LED(s).
56 Cited documents identified in the search CT
56 Cited documents indicated by the applicant CT
56 Cited non-patent literature identified in the search CTNP
56 Cited non-patent literature indicated by the applicant CTNP
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