EP 2725288 A2 20140430 - Lamp with uniform illumination pattern on a surface
Title (en)
Lamp with uniform illumination pattern on a surface
Title (de)
Lampe mit gleichmäßiger Ausleuchtungs auf einer Fläche
Title (fr)
Lampe avec un éclairage uniforme d'une surface
Publication
Application
Priority
CN 201210441421 A 20121028
Abstract (en)
A lamp with uniform illumination pattern is used for homogeneous illumination an illuminated area and includes at least one light module. The light module includes two light sources respectively having different light intensity and arranged orderly. Two extension cords of two optical axes of the two light sources have one crossover point. The light emitted from the light source with less light intensity illuminates the illuminated area which is closer to the light module, while the light emitted from the light source with greater light intensity illuminates the illuminated area which is farther to the light module. Light emitted from the light source, which is father to the illuminated are, can make up the intensity losses of attenuation since light emitted from the light source which is father to the illuminated area have greater light intensity. As a result, the lamp has uniform illumination pattern.
IPC 8 full level
F21S 8/00 (2006.01); F21V 15/01 (2006.01); F21Y 101/00 (2016.01); F21Y 111/00 (2006.01); F21Y 113/00 (2006.01)
CPC (source: EP US)
F21S 8/033 (2013.01 - EP US); F21V 15/01 (2013.01 - EP); F21Y 2111/00 (2013.01 - EP US); F21Y 2113/10 (2016.07 - EP); F21Y 2115/10 (2016.07 - EP US)
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 13172712 A 20130619