LCD screen ST7796S TN type MIPI interface 3.5-inch

Key Specifications/Special Features:

Size: 3.5" TFT
LCM Dimension: 54.48(W)* 84.71(H) * 2.30(T) mm
LCD Active Area: 48.96* 73.44mm
Number Of Dots: 320 * RGB * 480
LCD Type: a-Si TFT 
Viewing Direction: 12 0'CLOCK 
Driver IC: ST7796S 
Interface Type: MIPI 
Operating Temperature: -20℃~ 70℃ 
Storage Temperature: -30℃~ 80℃ 
Backlight Type: 6 LEDs 
Brightness: 370-400Cd/m2

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Surface acoustic wave touch screen
Surface acoustic waves are mechanical energy waves that propagate shallowly on the surface of a medium (rigid materials such as glass or metal), generally ultrasonic 0.42-1.3 Inch OLED. The surface acoustic wave touch screen is a strengthened and treated glass that is installed on the surface of the Display Screen. The four edges of the glass are etched with 45° sparse to dense reflective stripes with very precise intervals. Vertical and horizontal ultrasonic generators are installed in the upper left corner and the lower right corner of the glass screen, and two ultrasonic receivers in vertical and horizontal directions are installed at the corresponding positions in the upper right corner. After power on, the ultrasonic wave emitted by the ultrasonic generator travels along the glass surface and is reflected by the peripheral reflection stripes, and finally received by the receiver; when the finger touches the glass surface, the finger absorbs part of the sound wave energy, and the controller records this abnormality and calculates it The location of the touch point OLED Microdisplay.