3.97inch 480x800 TFT display LCD screen IPS type

Key Specifications/Special Features:

Size: 3.97 TFTinch
LCM Dimension: 57.14(W)* 96.85(H) * 3.15(T)mm
LCD Active Area: 51.84* 86.40mm
Number Of Dots: 480 * RGB * 800
LCD Type: a-Si TFT 
Viewing Direction: ALL 
Driver IC: ILI9806E-2 
Interface Type: RGB 
Operating Temperature: -20℃~ 70℃ 
Storage Temperature: -30℃~ 80℃ 
Backlight Type: 8 LEDs 
Brightness: 230-280Cd/m2

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Capacitive touch screen
The capacitive touch screen uses a piece of glass with a double-sided ITO transparent conductive layer as the substrate, and the ITO conductive layer on the side of the glass close to the Display Screen is grounded as a shielding layer to ensure a stable working environment. The ITO surface on the other side of the glass is covered with a very thin layer of rare earth glass as the working surface, and four electrodes are drawn at the four corners. During normal operation, a low-voltage and high-frequency AC electric field is passed through the working surface Thin Film Transistor. When there is a touch, a small current is absorbed by the coupling capacitor between the finger and the working surface, and this current is generated by the four-corner electrode, and its strength is proportional to the distance from the finger to the four-corner electrode. The touch screen controller detects this current change and can calculate the position of the touch point TFT LCD Display.