TFT LCD display module YX34002A

color480 x 4803.4″

Description
The YX34002A is a 3.4-inch square TFT LCD display module with 480×480 RGB resolution and an SPI + RGB interface, designed for smart home devices, industrial control panels, medical equipment, POS terminals, handheld instruments and embedded HMI applications. Powered by the ST7701S driver IC, the module provides accurate color reproduction, sharp image quality and an All O'Clock viewing angle for consistent visibility. The combined SPI + RGB interface offers straightforward initialization with high-speed RGB data transmission, suitable for high-performance embedded systems and industrial control platforms.

Mechanical
Outline dimensions: 70.45 × 70.32 × 1.89 mm. Active display area: 60.48 × 60.48 mm.

Basic Specifications
Display size: 3.4 inch
LCD type: TFT-LCD, transmissive
Resolution: 480 (RGB) × 480
Active area: 60.48 × 60.48 mm
Outline dimensions: 70.45 × 70.32 × 1.89 mm
Pixel pitch: 0.126 × 0.126 mm
Viewing direction: All O'Clock
Driver IC: ST7701S
Interface: SPI + RGB
Backlight: White LED × 8
Analog operating voltage: 3.3 V (typ.)

Optical Characteristics
Resolution: 480 × 480
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
Operating temperature: -20°C to +70°C
Storage temperature: -30°C to +80°C
Humidity: ≤90% RH (60°C)

Features / Technical Specifications

• Model: YX34002A
• Display size: 3.4 inch
• Resolution: 480 (RGB) × 480
• LCD type: TFT-LCD, transmissive
• Driver IC: ST7701S
• Interface: SPI + RGB
• Active area: 60.48 × 60.48 mm
• Outline dimensions: 70.45 × 70.32 × 1.89 mm
• Pixel pitch: 0.126 × 0.126 mm
• Backlight: White LED × 8
• Brightness: 300 cd/m²
• Contrast ratio: 800 : 1
• Color gamut: 60%
• Viewing direction: All O'Clock
• Response time: 25 ms
• Operating temperature: -20°C ~ +70°C
• Storage temperature: -30°C ~ +80°C
• Analog operating voltage: 3.3 V typ.