EP 1618550 A1 20060125 - AUTOMATIC PHOTO-COLORIMETRIC PARAMETER CONTROL DEVICE FOR LIGHT BOXES WITH COLOUR LEDS
Title (en)
AUTOMATIC PHOTO-COLORIMETRIC PARAMETER CONTROL DEVICE FOR LIGHT BOXES WITH COLOUR LEDS
Title (de)
VORRICHTUNG ZUR PHOTOKOLORIMETRISCHEN PARAMETERSTEUERUNG FÜR FARBDOSEN MIT FARBLICHTEMITTIERENDER DIODEN (LED)
Title (fr)
DISPOSITIF D'ASSERVISSEMENT DE PARAMETRES PHOTO-COLORIMETRIQUES POUR BOITE A LUMIERE A LEDS COLOREES
Publication
Application
Priority
- EP 2004050388 W 20040329
- FR 0305125 A 20030425
Abstract (en)
[origin: FR2854252A1] The device has optoelectronic devices (11) for measuring photometric and colorimetric characteristics of electroluminescent diodes (222) of a lamp box. The devices (11) have an optoelectronic assembly constituted of an electroluminescent diode and a photosensitive sensor for isolating external light. The diode is controlled by a control unit (3) of electroluminescent diode networks (22) of the lamp box. An independent claim is also included for a lamp assembly comprising a lamp box.
IPC 1-7
IPC 8 full level
G09G 3/32 (2006.01); G09G 3/20 (2006.01); G09G 3/34 (2006.01); G09G 3/36 (2006.01); H01L 33/00 (2010.01); H05B 44/00 (2022.01)
CPC (source: EP US)
G09G 3/32 (2013.01 - EP US); G09G 3/3413 (2013.01 - EP US); H05B 45/10 (2020.01 - EP US); H05B 45/22 (2020.01 - EP US); H05B 45/46 (2020.01 - EP US); G09G 3/2014 (2013.01 - EP US); G09G 3/207 (2013.01 - EP US); G09G 3/3611 (2013.01 - EP US); G09G 2320/0285 (2013.01 - EP US); G09G 2320/0626 (2013.01 - EP US); G09G 2320/064 (2013.01 - EP US); G09G 2320/0666 (2013.01 - EP US); G09G 2360/144 (2013.01 - EP US); G09G 2380/12 (2013.01 - EP US)
Citation (search report)
See references of WO 2004097784A1
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
FR 2854252 A1 20041029; FR 2854252 B1 20050805; EP 1618550 A1 20060125; JP 2006526886 A 20061124; US 2006256049 A1 20061116; US 7804478 B2 20100928; WO 2004097784 A1 20041111
DOCDB simple family (application)
FR 0305125 A 20030425; EP 04724024 A 20040329; EP 2004050388 W 20040329; JP 2006505502 A 20040329; US 55435705 A 20051025