低功耗TFT-LCD驱动方法  

Driving Method for Low Power Consumption in TFT-LCDs

作　　者：商广良[1] 赵天月[1] 赵星星[1] 王强涛[1] 姚琪[1] 杨亚锋[1] 张玉婷[1] 张凯亮[1] 冷长林[1] 张丽蕾[1] 金瑞润[1] 柳在一[1] 王刚[1] 

机构地区：[1]京东方科技集团股份有限公司技术中心,北京100176

出　　处：《液晶与显示》2012年第6期785-788,共4页Chinese Journal of Liquid Crystals and Displays

摘　　要：为了降低薄膜晶体管液晶显示器(TFT-LCD)的功耗,提出了一种新的双栅之型反转驱动方法。研究了双栅之型反转驱动技术的节能原理,完成了相关结构设计、电路设计,制作了35.6cm(14in)WXGA(1 366RGB×768)样品,测试并分析了节能效果。结果表明,该技术可以有效降低TFT-LCD的功耗,在显示彩条画面的情况下,液晶屏模拟电源功耗降低了70%(191mW)。分析了出现的莫尔条纹问题,并提出了解决方案。该研究为降低TFT-LCD及其他显示设备的功耗提供了一种驱动方法及设计参考。A dual-gate ＋ Z-inversion（DZi） driving method was proposed to reduce power consumption of thin-film transistor liquid crystal display（TFT-LCD）.The power saving principle of DZi driving was researched,the structure design and circuit design were finished,35.6 cm（14 in） WXGA（1 366 RGB×768） samples were manufactured,and the power saving effect was measured and analyzed.As results,DZi can save TFT-LCD power consumption in effect,such as panel AVDDS power reduces 70%（191 mW） when display color-bar pattern.Moiré phenomenon that appeared in DZi module was analyzed,and solutions were proposed.The research established a driving method and design reference for lower power consumption in TFT-LCDs and other displays.

关 键 词：TFT-LCD 低功耗 驱动 双栅之型反转 莫尔条纹 

分 类 号：TN27[电子电信—物理电子学]