Overview
The YX40023A is a 4.0-inch round TFT-LCD display module by Yousee featuring 720×720 RGB resolution and a MIPI DSI interface. Driven by the ICNL9707AC-03 driver IC and using an IPS panel with All O'Clock viewing, the module provides uniform viewing characteristics and stable color reproduction across viewing angles. Its slim mechanical profile and 6-white-LED backlight make it suitable for embedded HMI, smart home devices, medical instruments, industrial control panels and AI terminals.
Basic Specifications
Display size: 4.0 inch
LCD type: TFT-LCD, transmissive
Resolution: 720 (RGB) × 720
Active area: 101.52 × 101.52 mm
Outline dimensions: 105.6 × 109.87 × 2.09 mm
Pixel pitch: 0.141 × 0.141 mm
Viewing direction: All O'Clock
Driver IC: ICNL9707AC-03
Interface: MIPI DSI
Backlight: White LED × 6
Analog operating voltage (VCI): 3.2 V typ.
Logic operating voltage (IOVCC): 1.8 V typ.
Operating Conditions
Operating temperature: -20°C ~ +70°C
Storage temperature: -30°C ~ +80°C
Humidity: ≤90% RH (60°C)