A 10-bit Source Driver using Cyclic-DAC for TFT-LCD Application

• Main Authors: Chih-Yu Hsu, 許智瑜
• Other Authors: Chih-Wen Lu
• Format: Others
• Language: zh-TW
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/59192918875790641279

碩士 === 國立暨南國際大學 === 電機工程學系 === 93 === A 10-bit Source Driver using Cyclic-DAC for TFT-LCD Application Student:Chih-Yu Hsu Advisor: Chih-Wen Lu ABSTRACT The liquid crystal display, includes the liquid crystal panel, source driver, gate driver, control circuit and reference voltage, has already been widely applied to the terminal displays of the computer and TV. Among them the source driver requiring the high quality, high resolution, low power consumption is very important, especially at present towards big panel and high resolution development of liquid crystal display.In recent years, the content industry of the digit grows vigorously, the liquid crystal TV is considered to replace the tradition CRT display. In this thesis, a high resolution source driver for TFT-LCD application is proposed. It can be applied to the electric crystal liquid crystal display of WQUXGA TFT-LCD application. For the high resolution request, it will need a larger area for the digital to analogy converter (DAC) circuit. We use two types of Digital to Analogy Converter to produce the 10 bit resolution application. The different DAC architecture could reduce the chip area comparing with the traditional DAC. The source driver uses a high-speed, low-power, and rail to rail unit-gain buffer amplifier to drive the data line, and reaches the high driving and rail to rail requirement. The chip is implemented by the TSMC 2P4M 0.35μm process. Keywords：10-bit, high resolution, source driver.