Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-01-09
2007-01-09
Tung, Kee M. (Department: 2628)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S204000, C345S077000, C345S082000
Reexamination Certificate
active
10355922
ABSTRACT:
An OLED display includes a plurality of light emitting elements divided into two or more groups, the light emitting elements having an output that changes with time or use; a current measuring device for sensing the total current used by the display to produce a current signal; and a controller for simultaneously activating all of the light emitting elements in a group and responsive to the current signal for calculating a correction signal for the light emitting elements in the group and applying the correction signal to input image signals to produce corrected input image signals that compensate for the changes in the output of the light emitting elements of the group.
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Arnold Andrew D.
Cok Ronald S.
Anderson Andrew J.
Close Thomas H.
Eastman Kodak Company
Harrison Chante
Tung Kee M.
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