Proceedings of the IEEK Conference (대한전자공학회:학술대회논문집)

The Institute of Electronics and Information Engineers (대한전자공학회)
권호 표지

Design of A 10-Bit Data Driving Circuit for HDTV/XGA AMOLED Displays

HDTV/XGA AMOLED 디스플레이를 위한 10 비트 데이터 구동 회로의 설계

  • Kim, Yong-Uk (Dept. of Electronics, Graduate School, Kyungpook Natl. Univ.) ;
  • Lee, Ju-Sang (Dept. of Electronics, Graduate School, Kyungpook Natl. Univ.) ;
  • Yu, Sang-Dae (School of Electrical Engineering and Computer Science, Kyungpook Natl. Univ.)
  • 김용욱 (경북대학교 전자공학과) ;
  • 이주상 (경북대학교 전자공학과) ;
  • 유상대 (경북대학교 전자전기컴퓨터학부)
  • Published : 2005.11.26
Download PDF
⟨ Previous Next ⟩

Abstract

In this paper, the designed 10-bit current steering data driving circuit consists of bias circuits, shift registers, data and line latches, level shifters, and 10-bit D/A converters. This data driving circuit can improve image quality, driving speed, and can reduce process error, DNL error, and glitch noise. To reduce current cells, the 10-bit D/A converter was designed 3+3+4 hybrid type. As a result 49 current cells are decreased. The transient analysis shows that currents flows a few of mA in data line and the currents have 1024 gray levels of current values. Total circuits are designed for 10 ${\mu}s$ speed. Thus the designed 10-bit current steering data driving circuit can be usable in HDTV/XGA AMOLED displays. These data driving circuits are designed for 0.35 ${\mu}m$ CMOS process at 3.3 V and 18 V supply voltage and simulated with HSPICE..

Keywords