Description
The YX20035A is a 2.0-inch Transflective TFT LCD display designed specifically for products that require exceptional outdoor visibility, low power consumption, and reliable performance under varying lighting conditions.
Powered by the ST7789V driver IC and featuring a 240×320 RGB resolution with a 16-bit MCU interface, this display is ideal for industrial handheld devices, portable test instruments, GPS navigation systems, smart utility meters, medical equipment, agricultural electronics, marine instruments, and other embedded applications.
Unlike standard TFT LCD modules that rely entirely on LED backlighting, the Transflective TFT display integrates a semi-reflective optical structure that utilizes ambient light to improve visibility. In bright outdoor environments, sunlight is reflected through the LCD to produce a clearer image while reducing backlight power consumption. Indoors or in dark environments, the integrated White LED backlight provides vivid and stable image quality. This dual-mode display technology significantly improves usability across a wide range of lighting conditions.
With an outline dimension of 38.52 × 52.74 × 2.40 mm, an active area of 30.60 × 40.80 mm, 250 cd/m² typical brightness, 800:1 contrast ratio, and a compact mechanical design, the YX20035A delivers an excellent balance of sunlight readability, energy efficiency, and dependable performance for demanding industrial applications.
Why Choose a Transflective TFT Display?
A Transflective TFT LCD combines the advantages of both transmissive and reflective display technologies.
Compared with conventional TFT LCDs, a Transflective display offers several important benefits:
Excellent readability under direct sunlight
Lower power consumption in outdoor environments
Extended battery life for portable devices
Clear images both indoors and outdoors
Reduced dependence on high-brightness backlighting
Reliable performance in industrial and field applications
These advantages make Transflective TFT displays an excellent choice for battery-powered equipment operating in changing ambient light conditions.
Typical applications include:
Basic Specifications
| Item | Specification |
|---|
| Display Size | 2.0 inch |
| Display Technology | Transflective TFT LCD |
| Resolution | 240 (RGB) × 320 |
| LCD Type | TFT-LCD / Transflective |
| Active Area | 30.60 × 40.80 mm |
| Outline Dimensions | 38.52 × 52.74 × 2.40 mm |
| Pixel Pitch | 0.1926 × 0.1926 mm |
| Viewing Direction | 8 O'Clock |
| Driver IC | ST7789V |
| Interface | 16-bit MCU |
| Backlight | White LED |
| Brightness | 250 cd/m² (Typ.) |
| Contrast Ratio | 800 : 1 |
| Analog Operating Voltage | 3.3 V Typ. |
Mechanical Drawing

Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 240 × 320 |
| Display Technology | Transflective TFT |
| Contrast Ratio | 800 : 1 |
| Brightness | 250 cd/m² |
| Response Time | 25 ms |
| Color Gamut | 60% |
| Luminance Uniformity | 80% |
| Viewing Angle (CR ≥ 10) | 80° / 80° / 80° / 80° |
Operating Conditions
| Item | Range |
|---|
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Humidity | ≤90% RH (60°C) |