OLED display with aging and efficiency compensation

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Details

C313S484000

Reexamination Certificate

active

07859501

ABSTRACT:
A method of compensating for changes in an OLED drive circuit, includes: providing a drive transistor; providing a first voltage source and a first switch; providing an OLED device connected to the drive transistor. Voltages are measured and used to compensate for changes in the OLED drive transistor.

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“P-12: A New a-Si:H TFT Pixel Design Compensating Threshold Voltage Degradation of TFT and OLED” by Jae-Hoon Lee et al., SID International Symposium, May 25-27, 2004, pp. 264-267 XP-007012052.

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