TFT LCD display module YX40005A

IPScolorgraphic

Overview
The YX40005A is a 4.0-inch square TFT-LCD display module with 720×720 RGB resolution and a MIPI DSI interface. Equipped with the ST7703 driver IC and an All O'Clock IPS panel, the module provides wide viewing angles, accurate color reproduction and fast response for embedded HMI, industrial control, medical instruments, handheld terminals, POS and AI devices. The MIPI DSI interface enables high-speed data transfer and straightforward integration with Linux, Android and other embedded platforms.

Key physical dimensions
Outline dimension: 74.83 × 78.98 × 1.45 mm
Active display area: 71.93 × 71.93 mm
Pixel pitch: 0.08625 × 0.08625 mm

Basic Specifications
Display size: 4.0 inch
LCD type: IPS TFT-LCD, Transmissive
Resolution: 720 (RGB) × 720
Active area: 71.93 × 71.93 mm
Outline dimensions: 74.83 × 78.98 × 1.45 mm
Pixel pitch: 0.08625 × 0.08625 mm
Viewing direction: All O'Clock
Driver IC: ST7703
Interface: MIPI DSI
Backlight: White LED × 8
Analog operating voltage: 2.75 V Typ.
Logic operating voltage: 1.8 V Typ.

Optical Characteristics
Resolution: 720 × 720
Contrast ratio: 800 : 1 (typical)
Color gamut: 60% (typical)
Brightness: 300 cd/m² (typical)
Luminance uniformity: 80% (typical)
Viewing angle (CR ≥ 10): 80° / 80° / 80° / 80°
Response time: 25 ms (typical)

Operating Conditions
Operating temperature: -20°C to +70°C
Storage temperature: -30°C to +80°C
Humidity: ≤90% RH (60°C)

Mechanical & Integration
Ultra-slim square design maximizes visible area while minimizing installation footprint. The compact outline and MIPI DSI interface simplify mechanical integration and signal routing for industrial HMIs, medical displays, smart control panels, AI terminals and other embedded systems. Mechanical drawings and module outline files are available in the product documentation for system design and mounting.

Technical specifications

• Model: YX40005A
• Display size: 4.0 inch
• Resolution: 720 (RGB) × 720
• LCD type: IPS TFT-LCD, Transmissive
• Interface: MIPI DSI
• Driver IC: ST7703
• Backlight: 8 × White LEDs
• Active area: 71.93 × 71.93 mm
• Outline dimensions: 74.83 × 78.98 × 1.45 mm
• Analog voltage: 2.75 V Typ.
• Logic voltage: 1.8 V Typ.
• Brightness: 300 cd/m² (typ.)
• Contrast ratio: 800 : 1 (typ.)
• Viewing angle: All O'Clock (80°/80°/80°/80°)
• Operating temperature: -20°C to +70°C