16-level gray-scale driver architecture and full-color driving for TFT-LCD

K. Takahara, T. Yamaguchi, M. Oda, H. Yamaguchi, M. Okabe
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引用次数: 1

Abstract

The authors present a 16-level gray-scale driver architecture and a full-color driving technique that makes full-color TFT-LCDs (thin-film transistor liquid-crystal displays) with 64 gray-scale levels possible. The driver has the same level of integration as conventional eight-level gray-scale driver ICs. The driver has nine analog switches and nine drive voltages for each output. The 16 levels are generated by selecting one of eight drive voltages or two adjacent drive voltages. Using frame rate control and optimizing the combination of voltages over two frames gives 64-gray-scale driving using 16-level gray-scale drivers.<>
TFT-LCD的16级灰度驱动架构和全彩色驱动
作者提出了一种16级灰度驱动架构和一种全彩色驱动技术,使64级灰度的全彩tft - lcd(薄膜晶体管液晶显示器)成为可能。该驱动器具有与传统的8级灰度驱动ic相同的集成度。驱动器有9个模拟开关和9个驱动电压用于每个输出。这16个电平是通过选择8个驱动电压中的一个或两个相邻的驱动电压产生的。使用帧率控制和优化两帧电压的组合,使用16级灰度驱动器提供64级灰度驱动。
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