Product OverviewThe YX40009A is a 4.0-inch IPS TFT LCD display module with 400×960 RGB resolution and an SPI + 18-bit RGB interface. Designed for industrial automation, medical equipment, handheld terminals and embedded HMIs, it provides consistent All O'Clock viewing angles, accurate color reproduction and a slim form factor for compact product integration.
Technical Specifications- Model: YX40009A
- Display Size: 4.0 inch
- Resolution: 400 (RGB) × 960
- LCD Type: IPS TFT-LCD, Transmissive
- Active Area: 39.18 × 94.03 mm
- Outline Dimensions: 42.90 × 102.08 × 2.23 mm
- Pixel Pitch: 0.0979 × 0.0979 mm
- Viewing Direction: All O'Clock (IPS)
- Driver IC: ST7701S
- Interface: SPI + 18-bit RGB
- Backlight: White LED × 8
- Analog Operating Voltage: 2.8 V Typ.
- Contrast Ratio (typical): 600:1
- Color Gamut (typical): 60%
- Brightness (typical): 400 cd/m²
- Luminance Uniformity (typical): 80%
- Viewing Angle (CR ≥ 10): 80° / 80° / 80° / 80°
- Response Time (typical): 25 ms
- Outline / mechanical drawing available as image
- Operating Temperature: -20°C ~ +70°C
- Storage Temperature: -30°C ~ +80°C
- Humidity: ≤90% RH (60°C)