EP 2108882 A1 20091014 - Method and device for lamp
Title (en)
Method and device for lamp
Title (de)
Verfahren und Vorrichtung für Lampe
Title (fr)
Procédé et dispositif pour lampe
Publication
Application
Priority
EP 08007193 A 20080411
Abstract (en)
This invention provides a method and a device for lamp having multiple illuminating angles. The inner surface of the lamp shade (10) have a plurality of locating faces (11) arranged with different angle all round the inner surface of the lamp shade, the light emitting diodes (20) or other illuminating elements being installed respectively on the locating faces (11). Each light emitting diode can emit light perpendicularly with its locating face so as to control the illuminating angle of lamp.
IPC 8 full level
F21S 8/08 (2006.01); F21K 99/00 (2010.01)
CPC (source: EP US)
F21S 8/086 (2013.01 - EP US); F21W 2131/103 (2013.01 - EP); F21Y 2115/10 (2016.07 - EP US)
Citation (search report)
- [Y] EP 1431653 A2 20040623 - TOSHIJI KISHIMURA [JP], et al
- [Y] WO 9833007 A1 19980730 - KONINKL PHILIPS ELECTRONICS NV [NL], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 08007193 A 20080411