ELECTROLUMINESCENT DISPLAY WITH COMPENSATION OF EFFICIENCY VARIATIONS
An electroluminescent (EL) subpixel having a readout transistor is driven by a current source when the drive transistor is non-conducting. This produces an emitter-voltage signal from which an aging signal representing the efficiency of the EL emitter can be computed. The aging signal is used to adj...
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Main Author | |
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Format | Patent |
Language | English Korean |
Published |
05.07.2011
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Subjects | |
Online Access | Get full text |
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Summary: | An electroluminescent (EL) subpixel having a readout transistor is driven by a current source when the drive transistor is non-conducting. This produces an emitter-voltage signal from which an aging signal representing the efficiency of the EL emitter can be computed. The aging signal is used to adjust an input signal to produce a compensated drive signal to compensate for changes in efficiency of the EL emitter. |
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Bibliography: | Application Number: KR20117009592 |