摘要
目前TFT-LCD彩色液晶显示屏被广泛应用于中高档彩屏手机中。TFT-LCD驱动控制芯片作为手机主机与TFT-LCD显示屏之间的接口电路,控制和驱动显示屏的彩色显示,其性能直接影响着显示画面的质量和系统功耗。文章从TFT-LCD的驱动原理出发,提出了手机用26万色彩色TFT-LCD驱动芯片的驱动电路设计方法,包括gamma校正电路,gatedriver电路和sourcedriver电路的结构与功能分析,最后给出了Hspice的仿真结果。
At present the color TFT-LCD displays are used widely in middle and top grade mobile phones. As the interface circuit between MPU of mobile phone and TFT-LCD panel, TFT-LCD driving and controlling VLSI controls and drives the color display of the TFT-LCD panel, its performance influences the display quality and the power consumption of TFT-LCD panel directly. In this paper the driving principles of TFT-LCD are discussed firstly, and then the design methods of driving circuit part for TFT-LCD driver IC used for 260 thousand colors mobile phone are described, including the structure and the function analysis of the gate driver circuit, gamma correction circuit and the source driver circuit. Finally, the results of Hspice simulation are given.
出处
《微电子学与计算机》
CSCD
北大核心
2006年第3期165-168,171,共5页
Microelectronics & Computer
基金
国家"863"计划项目(2005AA1211)
陕西省科学技术研究发展计划项目(2004K05-G3)
