Two-Transistor Current-Biased Voltage-Programmed AM-OLED Pixel

Author

Chuanli Leng ; Longyan Wang ; Shengdong Zhang

Author_Institution

Sch. of Electron. & Comput. Eng., Peking Univ., Shenzhen, China

Volume

34

Issue

10

fYear

2013

fDate

Oct. 2013

Firstpage

1262

Lastpage

1264

Abstract

A new two-transistor pixel circuit in a current-biased voltage programming mode for active matrix-organic light emitting diode displays is proposed. The proposed circuit features a fixed current source and a conventional data line. The former offers a moderate bias current to compensate for the device performance variation or degeneration, and the latter provides pixels with voltage signals. It is demonstrated that both accurate and fast compensations can be realized in the proposed pixel circuit.

Keywords

organic light emitting diodes; thin film transistors; AM-OLED pixel; active matrix-organic light emitting diode display; current-biased voltage programming mode; two-transistor current; two-transistor pixel circuit; Active matrix organic light emitting diodes; Performance evaluation; Programming; Thin film transistors; Threshold voltage; Active matrix-organic light emitting diode (AM-OLED); current-biased voltage-programmed (CBVP); pixel circuits; thin film transistors (TFTs);

fLanguage

English

Journal_Title

Electron Device Letters, IEEE

Publisher

ieee

ISSN

0741-3106

Type

jour

DOI

10.1109/LED.2013.2276095

Filename

6579650