Description
The YX40009B is a 4.0-inch IPS TFT LCD display module featuring a 400×960 RGB resolution and a MIPI interface, designed for industrial automation, medical equipment, smart home devices, handheld terminals, portable instruments, and embedded HMI applications.
Powered by the ST7701S driver IC, the module delivers sharp image quality, vivid colors, and an All O'Clock IPS viewing angle, ensuring excellent color consistency and visibility from every direction. The MIPI interface supports high-speed data transmission, making it compatible with Linux, Android, and high-performance embedded platforms.
With an outline dimension of 42.90 × 102.08 × 2.23 mm and an active display area of 39.18 × 94.03 mm, the YX40009B features a slim mechanical design that simplifies system integration. Its high-resolution ultra-wide display, reliable optical performance, and compact structure make it an ideal display solution for industrial HMIs, medical electronics, smart controllers, portable devices, and next-generation embedded systems.
Basic Specifications
| Item | Specification |
|---|
| Display Size | 4.0 inch |
| LCD Type | IPS TFT-LCD, Transmissive |
| Resolution | 400 (RGB) × 960 |
| 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 |
| Driver IC | ST7701S |
| Interface | MIPI |
| Backlight | White LED × 8 |
| Analog Operating Voltage | 2.8 V Typ. |
Mechanical Drawing
Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 400 × 960 |
| Contrast Ratio | 600 : 1 |
| Color Gamut | 60% |
| Brightness | 400 cd/m² |
| Luminance Uniformity | 80% |
| Viewing Angle (CR ≥ 10) | 80° / 80° / 80° / 80° |
| Response Time | 25 ms |
Operating Conditions
| Item | Range |
|---|
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Humidity | ≤90% RH (60°C) |