Sensing TFT Vth by an external algorithm to compensate non-uniformity on AMOLED panel

The study proposes an external algorithm to compensate non-uniformity on AMOLED panel. With the method of sensing TFT V th variation, this external algorithm is designed to correct the data line voltage, V data , in order to maintain the required OLED luminance even though every V th variation of dr...

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Bibliographic Details
Published in2012 IEEE Sensors pp. 1 - 4
Main Authors Kuei-Yu Lee, Chao, Paul C.-P
Format Conference Proceeding
LanguageEnglish
Japanese
Published IEEE 01.10.2012
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ISBN9781457717666
1457717662
ISSN1930-0395
DOI10.1109/ICSENS.2012.6411251

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Summary:The study proposes an external algorithm to compensate non-uniformity on AMOLED panel. With the method of sensing TFT V th variation, this external algorithm is designed to correct the data line voltage, V data , in order to maintain the required OLED luminance even though every V th variation of driving TFTs are different. The algorithm and sensing method are realized on the already proposed 4T0.5C pixel circuit, which is investigated to show the performance of panel non-uniformity compensation in the experiment results. Moreover, the original merits of 4T0.5C pixel circuit like OLED degradation alleviation can be maintained.
ISBN:9781457717666
1457717662
ISSN:1930-0395
DOI:10.1109/ICSENS.2012.6411251