ORGANIC LIGHT EMITTING DISPLAY DEVICE
First Claim
1. An organic light emitting display device, comprising:
- pixels at crossing regions of scan lines, light emission control lines, sensing lines, and data lines;
a sensor configured to extract deterioration information from organic light emitting diodes included in the pixels during a first sensing period and configured to extract threshold voltage and mobility information of driving transistors included in the pixels during a second sensing period;
a converter configured to generate corrected data by changing input data based on the deterioration information and the threshold voltage and mobility information extracted by the sensor; and
a data driver configured to supply data signals to the data lines, the data signals being based on the corrected data during a driving period in which an image is displayed by the pixels and the data signals being reference data signals during the second sensing period,wherein the sensor is configured to extract, during the second sensing period, the threshold voltage and mobility information of the driving transistors utilizing second electric currents that are supplied from the pixels in response to the reference data signals .
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Accused Products
Abstract
An organic light emitting display device includes: pixels at crossing regions of scan lines, light emission control lines, sensing lines, and data lines; a sensor configured to extract deterioration information from organic light emitting diodes included in the pixels during a first sensing period and to extract threshold voltage and mobility information of driving transistors included in the pixels during a second sensing period; a converter configured to generate corrected data by changing input data based on the deterioration information and the threshold voltage and mobility information; and a data driver configured to supply data signals, the data signals being based on the corrected data during a driving period and being reference data signals during the second sensing period, wherein the sensor is configured to extract the threshold voltage and mobility information of the driving transistors using second electric currents from the pixels in response to the reference data signals.
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Citations
22 Claims
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1. An organic light emitting display device, comprising:
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pixels at crossing regions of scan lines, light emission control lines, sensing lines, and data lines; a sensor configured to extract deterioration information from organic light emitting diodes included in the pixels during a first sensing period and configured to extract threshold voltage and mobility information of driving transistors included in the pixels during a second sensing period; a converter configured to generate corrected data by changing input data based on the deterioration information and the threshold voltage and mobility information extracted by the sensor; and a data driver configured to supply data signals to the data lines, the data signals being based on the corrected data during a driving period in which an image is displayed by the pixels and the data signals being reference data signals during the second sensing period, wherein the sensor is configured to extract, during the second sensing period, the threshold voltage and mobility information of the driving transistors utilizing second electric currents that are supplied from the pixels in response to the reference data signals . - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An organic light emitting display device, comprising:
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pixels at crossing regions of scan lines, light emission control lines, sensing lines, and data lines, each of the pixels comprising a driving circuit for providing a driving current substantially independent of a driving voltage supplied to a driving transistor of each of the pixels; a sensor configured to extract deterioration information of organic light emitting diodes included in the pixels during a first sensing period and configured to extract threshold voltage and mobility information of driving transistors included in the pixels during a second sensing period; a converter configured to generate corrected data by changing input data based on the deterioration information and the threshold voltage and mobility information extracted by the sensor; and a data driver configured to supply data signals to the data lines, the data signals being based on the corrected data during a driving period in which an image is displayed by the pixels and configured to supply reference data signals during the second sensing period, wherein, during the second sensing period, the sensor extracts the threshold voltage and mobility information of the driving transistor using second electric currents that are supplied from the pixels in response to the reference data signals. - View Dependent Claims (22)
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Specification