B. Liu, Wenxue Huo, Liang Hu, Quansheng Liu, Ji Li, Juncheng Xiao
{"title":"A Novel 6T2C Pixel Circuit Based on PWM Method","authors":"B. Liu, Wenxue Huo, Liang Hu, Quansheng Liu, Ji Li, Juncheng Xiao","doi":"10.1109/REPE52765.2021.9617022","DOIUrl":null,"url":null,"abstract":"The letter presents a new active-matrix light-emitting diode (AMLED) pixel circuit which breaks the limit that the PWM driving method combined with internal compensation is difficult to obtain the high-bit display. Based on a 10 row panel of 240 Hz, the bit is obviously improved from 3 bits to 8 bits by means of attaching another TFT to divide the equal sub-field of PWM into unequal one. Moreover, simulation results of the proposed 6T2C circuit demonstrate that the current error ratio is below 5.4% (@ Δ Vth = ± 3 V), indicating that this proposed 6T2C circuit is suitable for improving the bits and stability of display system.","PeriodicalId":136285,"journal":{"name":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","volume":"105 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/REPE52765.2021.9617022","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The letter presents a new active-matrix light-emitting diode (AMLED) pixel circuit which breaks the limit that the PWM driving method combined with internal compensation is difficult to obtain the high-bit display. Based on a 10 row panel of 240 Hz, the bit is obviously improved from 3 bits to 8 bits by means of attaching another TFT to divide the equal sub-field of PWM into unequal one. Moreover, simulation results of the proposed 6T2C circuit demonstrate that the current error ratio is below 5.4% (@ Δ Vth = ± 3 V), indicating that this proposed 6T2C circuit is suitable for improving the bits and stability of display system.
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