基于TFT-LCD源驱动芯片的大负载Gamma buffer的设计实现

FT-LCD (Thin Film Transistor Liquid Crystal Display) is the newest generation product which has fastest growing, maturest technology, and widest application in current flat panel displays. TFT-LCD panel driving chip can be divided into source driver chip and gate driver chip. The main function of gamma voltage is providing separately gray scale voltage for the source driver chip, charging and discharging to the liquid crystal display through the output buffer. Today's main technology is adding an integrated chip with several gamma buffer on the PCB. This paper's design is the gamma buffer which embedded in the source driver chip. And this design can reduce the overall power consumption, system area, and manufacturing cost .