High-uniformity 2T1C AMOLED panels by a built-in trimming method

被引：0
|
作者：
Lee, Te-Yu [1 ]
Lin, Chrong Jung [1 ]
King, Ya-Chin [1 ]
机构：
[1] Natl Tsing Hua Univ, Inst Elect Engn, Hsinchu 30013, Taiwan
来源：
JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY | 2010年 / 18卷 / 08期
关键词：
Built-in trimming; current boosting; AMOLED; LIGHT-EMITTING DIODE; PIXEL CIRCUIT; A-SI; DISPLAYS; GLASS; TFTS;
D O I：
10.1889/JSID18.8.544
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new built-in trimming scheme boosting the OLED driving current through analog programming of the driver p-channel TFT is proposed. By using a selective programming operation, the current variation on the LTPS panel can be reduced to less than 1%. Another blanket-boosting method is investigated for concurrent programming of the entire panel. This blanket-boosting scheme has been successfully demonstrated on a 2.4-in. AMOLED panel where the non-uniformity improved from 8.1 to 4.9% under a worst-case condition.
引用
收藏
页码：544 / 549
页数：6
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