EP 2499882 A1 20120919 - CIRCUIT ARRANGEMENT FOR AN LED LIGHT SOURCE
Title (en)
CIRCUIT ARRANGEMENT FOR AN LED LIGHT SOURCE
Title (de)
SCHALTUNGSANORDNUNG FÜR EINE LED-LICHTQUELLE
Title (fr)
CIRCUIT POUR SOURCE LUMINEUSE LED
Publication
Application
Priority
- DE 102009052836 A 20091113
- US 26151809 P 20091116
- EP 2010006934 W 20101115
Abstract (en)
[origin: WO2011057813A1] The invention relates to a light-emitting diode module comprising a circuit arrangement for controlling an LED light source that is suited for use in the aviation sector in particular. A light-emitting diode module according to the invention comprises a housing (31, 41) and at least one printed circuit board (10a, 10b), which is connected to at least one light-emitting diode (D11) and which has an LED driver (U4), a control module (U5), and a circuit arrangement (S1). The circuit arrangement (S1) comprises a DC/DC converter (U1) and a bypass (11) connected in parallel to the DC/DC converter (U1), said bypass being activatable by means of a comparator circuit (S4). The comparator circuit (S4) preferably lies between an input (X1.3) of the circuit arrangement (S1) and the DC/DC converter (U1) and is designed to detect the level of the input voltage of the circuit arrangement (S1), compare with a first and second threshold value, and activate the bypass when the first threshold value is not exceeded and deactivate the bypass when the second threshold value is exceeded.
IPC 8 full level
H05B 44/00 (2022.01); F21W 107/30 (2018.01)
CPC (source: EP US)
H05B 45/3725 (2020.01 - EP US)
Citation (search report)
See references of WO 2011057813A1
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 102009052836 A1 20110519; CN 102714895 A 20121003; CN 102714895 B 20151125; EP 2499882 A1 20120919; EP 2499882 B1 20150107; US 2012319612 A1 20121220; US 9516711 B2 20161206; WO 2011057813 A1 20110519
DOCDB simple family (application)
DE 102009052836 A 20091113; CN 201080051533 A 20101115; EP 10788000 A 20101115; EP 2010006934 W 20101115; US 201013509475 A 20101115