Description
The YX15408A is a 1.54-inch high-resolution TFT LCD display module featuring a 320×320 RGB resolution and a MIPI DSI interface, designed for wearable devices, smart home products, industrial controllers, handheld terminals, and embedded HMI applications.
Powered by the ST7796S driver IC, the module delivers vivid colors, sharp graphics, and an All-O'Clock viewing angle, ensuring excellent visibility from every direction. Its MIPI DSI interface provides high-speed data transmission and efficient display performance, making it suitable for Linux-based, Android-based, and advanced embedded platforms.
With an outline dimension of 31.52 × 33.72 × 1.15 mm and an active display area of 27.72 × 27.72 mm, the YX15408A features an ultra-slim mechanical profile that simplifies integration into compact electronic products. Its combination of high pixel density, reliable optical performance, and industrial-grade reliability makes it an excellent display solution for smart wearables, portable medical devices, IoT terminals, industrial instruments, and consumer electronics. The module features a 1.54-inch TFT-LCD, 320×320 resolution, ST7796S driver IC, and MIPI interface.
Basic Specifications
| Item | Specification |
|---|
| Display Size | 1.54 inch |
| LCD Type | TFT-LCD, Positive Transmissive |
| Resolution | 320 (RGB) × 320 |
| Active Area | 27.72 × 27.72 mm |
| Outline Dimensions | 31.52 × 33.72 × 1.15 mm |
| Pixel Pitch | 0.0866 × 0.0866 mm |
| Viewing Direction | All O'Clock |
| Driver IC | ST7796S |
| Interface | MIPI DSI |
| Backlight | White LED × 3 |
| LCM Input Voltage | 2.8 ±0.1 V |
Mechanical Drawing

Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 320 × 320 |
| Contrast Ratio | 800 : 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) |