Description
The YX21002A is a 2.1-inch high-resolution round TFT LCD display module featuring a 480×480 RGB resolution and a MIPI DSI interface, making it an ideal display solution for wearable devices, smart home products, medical equipment, and advanced embedded systems.
Powered by the ST7701S driver IC and built with IPS TFT technology, the module delivers an All-O'Clock viewing angle, ensuring vivid colors, excellent image clarity, and consistent visual performance from every direction. The high-speed MIPI interface enables fast data transmission, making it suitable for Linux, Android, and other high-performance embedded platforms.
With a compact outline dimension of 56.18 × 59.71 × 2.30 mm and an active display area of 53.28 × 53.28 mm, the YX21002A provides an excellent balance between display size and integration flexibility. Its circular design, slim profile, and reliable optical performance make it an excellent choice for smart watches, industrial HMIs, healthcare terminals, AI devices, and IoT applications. Product specifications include the display size, resolution, dimensions, interface, and driver IC.
Basic Specifications
| Item | Specification |
|---|
| Display Size | 2.1 inch |
| LCD Type | TFT-LCD, Transmissive |
| Resolution | 480 (RGB) × 480 |
| Active Area | 53.28 × 53.28 mm |
| Outline Dimensions | 56.18 × 59.71 × 2.30 mm |
| Pixel Pitch | 0.111 × 0.111 mm |
| Viewing Direction | All O'Clock (IPS) |
| Driver IC | ST7701S |
| Interface | MIPI DSI |
| Backlight | White LED × 4 |
| Analog Voltage (VCI) | 2.8 V Typ. |
| Logic Voltage (IOVCC) | 1.8 V Typ. |
Mechanical Drawing
Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 480 × 480 |
| Contrast Ratio | 600 : 1 |
| Color Gamut | 60% |
| Brightness | 300 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) |
The YX21002A is designed for reliable operation in a wide range of environments, supporting an operating temperature of -20°C to +70°C and a storage temperature of -30°C to +80°C. These characteristics make it suitable for industrial control systems, healthcare equipment, wearable electronics, smart home devices, and other embedded applications.