GENERAL DESCRIPTION
The LG.Philips LCD Co.,Ltd. LP121S4 LCD is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Fluorescent Tube(CCFT) back light system. The matrix employs a -Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally white mode. This TFT-LCD has a 12.1 inch diagonally measured active display area with SVGA resolution(600 vertical by 800 horizontal pixel array). Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is determined with a 6 -bit gray scale signal for each dot, thus, presenting a pallet of more than 262,144 colors. BLOCK DIAGRAM POWER ( VDD , GND) SOURCE POWER SUPPLY D1 D2 DRIVE D2399 D2400 CN1 G G DISPLAY DATA & TIMING SIGNAL TIMING CONVERTER GATE DRIVE CIRCUIT G599 G600 TFT - LCD (800X3X600) INPUT CONNECTOR V BL LAMP GND CN2 CN2 General Display Characteristics The following are g...
LG
