平板显示技术C3TFTLCDdriver课件.ppt

平板显示技术－－TFT LCD driver 第3章 TFT LCD TFT-LCD主要组成及关键技术 TFT LCD驱动技术 TFT LCD Design Backlight Design 液晶显示必威体育精装版发展(器件结构、驱动方式等） The Block Diagram of the TFT LCD Module The TFT LCD Module Type The Analog Interface The ADC Interface The LVDS/PanelLink Interface Analog/ADC/LVDS/PanelLink Analog Interface True Color Sampling Error Low Edge Sharpness Noise in the Analog Signal Transmission Analog/ADC/LVDS/PanelLink ADC Interface Mainstream in the Desktop LCD Monitor Interface Sampling Error Low Edge Sharpness Noise in the Analog Signal Transmission EMI Issue for High Resolution Format Low Image Quality and High Cost Analog/ADC/LVDS/PanelLink Analog/ADC/LVDS/PanelLink PanelLink Interface Application in the Desktop LCD Monitor Interface High Edge Sharpness Reducing EMI Number of Cable Line High Image Quality and Low Cost Second Supply Source Issue 驱动 IC － Scan Driver Row driver Serial In － Serial Out Analog Data Driver Serial In － Parallel Out Analog Data Driver (一) Serial In － Parallel Out Analog Data Driver (二) Digital Data Driver (一) Digital Data Driver (二) Digital Data Driver (三) Typical column driver block diagram Column driver block diagram Gamma correction Gamma reference Gamma and column driver Gate Pulse 的传输延迟 Row pulse delay Signal propagation Reduced row pulse delay required * * LCD Physics Electronics Driver Ergonomics Human Factors Production Process Chemistry Material Science CCFL Backlight TFT-LCD PANEL Timing Controller Scan Driver Data Driver RGB CLK Hsx Vsx TFTLCD Module Classified into two kinds by data driver Analog type TFT-LCD module The analog data drivers The analog interface to PC Only NEC Digital type TFT-LCD module The digital data drivers The ADC/ LVDS/PanelLink interface to PC Mainstream Graphics Controller TFT-LCD PANEL Timing Controller Scan Driver Analog Data Driver Hs Vs Analog RGB Analog RGB CLK Hsx Vsx PreAmp Level Shifter Controller PLL PC Analog Module TFTLCD Module OSD CCFL Backlight Graphics Controller TFT-LCD PANEL Timing Cont