Description
The YX19002A is a 1.9-inch IPS TFT LCD display module featuring a 170×320 RGB resolution and a 3SPI + RGB interface, designed for industrial control equipment, handheld terminals, smart home devices, medical instruments, wearable electronics, and IoT applications.
Powered by the ST7789V driver IC, the module provides vivid color reproduction, stable display performance, and an All O'Clock IPS viewing angle, ensuring consistent image quality from every direction. The 3SPI + RGB interface combines simple initialization with high-speed parallel data transmission, allowing seamless integration into various MCU and embedded platforms.
With an outline dimension of 25.80 × 49.72 × 1.40 mm and an active display area of 22.70 × 42.72 mm, the YX19002A features a slim and compact mechanical design that is ideal for space-constrained products. Its lightweight construction, reliable performance, and high-resolution IPS panel make it an excellent display solution for portable electronics, industrial HMIs, medical devices, smart controllers, and consumer products.
Basic Specifications
| Item | Specification |
|---|
| Display Size | 1.9 inch |
| LCD Type | IPS TFT-LCD, Transmissive |
| Resolution | 170 (RGB) × 320 |
| Active Area | 22.70 × 42.72 mm |
| Outline Dimensions | 25.80 × 49.72 × 1.40 mm |
| Pixel Pitch | 0.1335 × 0.1335 mm |
| Viewing Direction | All O'Clock |
| Driver IC | ST7789V |
| Interface | 3SPI + RGB |
| Backlight | White LED × 4 |
| Analog Operating Voltage | 3.3 V Typ. |
Mechanical Drawing

Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 170 × 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 | 25 ms |
Operating Conditions
| Item | Range |
|---|
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Humidity | ≤90% RH (60°C) |