EP 2642470 B1 20190206 - Panel-shaped light conducting element and light with a light conducting element
Title (en)
Panel-shaped light conducting element and light with a light conducting element
Title (de)
Plattenförmiges Lichtleitelement und Leuchte mit Lichtleitelement
Title (fr)
Elément d'éclairage en forme de plaque et lampe dotée d'un élément d'éclairage
Publication
Application
Priority
DE 202012100991 U 20120320
Abstract (en)
[origin: EP2642470A2] The lamp (1) has a light entrance surface (11) forming narrow side of a plate-shaped light guide element (10) that radiates a light coupled into the entrance surface over a light exit surface. Wedge-like projections or recesses are formed next to each other on flat sides (12, 13) of the guide element transverse to a light guidance direction, where the sides are formed opposite to the exit surface. The recesses are seen in a direction of the entrance surface and comprise a linear extending wedge region and a circular segment-like region that is arranged subsequent to the wedge region. The lamp comprises light sources e.g. LEDs (50) and organic LEDs (OLEDs).
IPC 8 full level
G09F 13/18 (2006.01); G09F 13/04 (2006.01); G09F 13/22 (2006.01)
CPC (source: EP)
G08B 7/062 (2013.01); G09F 13/18 (2013.01); G09F 2013/05 (2021.05); G09F 2013/222 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DE 202012100991 U1 20130625; EP 2642470 A2 20130925; EP 2642470 A3 20140101; EP 2642470 B1 20190206
DOCDB simple family (application)
DE 202012100991 U 20120320; EP 13159956 A 20130319