ELECTRONIC DRIVER DIMMING CONTROL USING RAMPED PULSED MODULATION FOR LARGE AREA SOLID-STATE OLEDS
摘要
An electronic driver apparatus and methods are disclosed for driving power an organic LED or other large area solid state light source, in which a switch mode DC current source provides DC current to drive the light source according to a control input and a controller provides a ramped pulse modulated control input to the current source for at least some values of a dimming setpoint signal or value to mitigate damaging current spikes by controlling di/dt of the drive current.
申请公布号
WO2011071637(A1)
申请公布日期
2011.06.16
申请号
WO2010US55971
申请日期
2010.11.09
申请人
GENERAL ELECTRIC COMPANY;AURONGZEB, DEEDER;ROBERTS, BRUCE, RICHARD