OLED抑制阈值电压漂移像素电路分析  

Analysis for Suppressing Shift of Threshold Voltage of OLED Pixel Driving Transistor

作　　者：林韵英[1] 陈敏泽[1] 

机构地区：[1]国家知识产权局专利审查协作北京中心光电部,北京100083

出　　处：《电视技术》2013年第S2期422-424,439,共4页Video Engineering

摘　　要：OLED像素电路存在驱动晶体管阈值电压漂移的问题,引起显示效果的下降。在专利数据库中进行检索和分析,对韩国三星近年来提出的多种用于抑制驱动晶体管阈值电压漂移的OLED像素电路的原理进行了分析,并提出了一些设计方面的考虑因素。The shift of threshold voltage of OLED pixel driving transistor results in the deterioration of display effect.Several OLED pixel circuits which used in suppressing the shift of threshold voltage of driving transistor designed by Samsung Corporation recent years in the patent database are analyzed for their design principle and some design considerations is proposed.

关 键 词：OLED 像素电路 阈值电压 

分 类 号：TN873[电子电信—信息与通信工程]