Method for displaying images on electroluminescence devices...

Details Method for displaying images on electroluminescence devices... Method for displaying images on electroluminescence devices...

2003-11-21

2008-05-27

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S690000

Reexamination Certificate

active

07379042

ABSTRACT:
A method and system for compensating stressed pixels on a light-emitting diode (LED) based display device is disclosed. After receiving a video data input for displaying a video image frame at a first frequency, one or more pixels in the video image frame are detected as stressed pixels. Based on the information for the stressed pixels, a primary sub-frame is displayed, the primary sub-frame having one or more stressed pixels with at least one of whose display parameters being degraded due to an accumulative usage of the LED display device. At least one secondary sub-frame is then displayed having the detected stressed pixels thereon with the degraded display parameter compensated. The primary and secondary sub-frames are displayed sequentially at a second frequency so that the separation of these two sub-frames is undetected by a viewer.

REFERENCES:
patent: 6414661 (2002-07-01), Shen et al.
patent: 6552735 (2003-04-01), Dehmlow
patent: 7034811 (2006-04-01), Allen
patent: 2005/0052394 (2005-03-01), Waterman

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