Patent ID: 9601047
Date: 2017-03-21
CPC Classifications: G09G

Claim:
1. A method for controlling an electroluminescent (EL) display comprising a plurality of EL emitters to reduce burn-in on the display, the method comprising: receiving a respective input image signal for each EL emitter for each of a plurality of frames; transforming the input image signals for a first one of the plurality of frames to provide a plurality of first drive signals with a peak frame luminance to produce an image on the display; and transforming the input image signals for subsequent ones of the plurality of frames to a plurality of second drive signals using a dimming transform that operates on the input image signals for each subsequent frame to provide a peak frame luminance value for the subsequent frames wherein the dimming transform includes an exponential function, whereby: the transform is applied when the first input image signal is recognized as requiring a current to achieve the peak frame luminance above a defined current threshold.