Description
The YX40023A is a 4.0-inch high-resolution round TFT LCD display module featuring a 720×720 RGB resolution and a MIPI DSI interface, designed for premium smart home products, medical equipment, industrial control systems, AI terminals, and advanced embedded HMI applications.
Powered by the ICNL9707AC-03 driver IC and built with IPS technology, the module provides an All-O'Clock viewing angle, delivering vivid colors, excellent image clarity, and consistent display performance from every direction. Its 720×720 HD resolution ensures sharp text, smooth graphics, and an outstanding user experience for modern graphical interfaces.
With an outline dimension of 105.6 × 109.87 × 2.09 mm and an active display area of 101.52 × 101.52 mm, the YX40023A combines a large circular viewing area with an ultra-slim mechanical design. The MIPI DSI interface enables high-speed image transmission and seamless integration with Linux, Android, and ARM-based embedded platforms, making it an excellent display solution for intelligent control panels, healthcare devices, IoT equipment, and premium embedded systems. The module features a 4.0-inch TFT-LCD, 720×720 resolution, ICNL9707AC-03 driver IC, and MIPI interface.
Basic Specifications
| Item | Specification |
|---|
| 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. |
Mechanical Drawing
Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 720 × 720 |
| Contrast Ratio | 1200 : 1 |
| Color Gamut | 60% |
| Brightness | 300 cd/m² |
| Luminance Uniformity | 80% |
| Viewing Angle (CR ≥ 10) | 80° / 80° / 80° / 80° |
| Response Time | 30 ms |
Operating Conditions
| Item | Range |
|---|
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Humidity | ≤90% RH (60°C) |