Product Description:

This 4.0-inch transflective tft LCD module delivers a sharp 480x800 resolution with an integrated capacitive touch panel. Designed with a 6 o'clock viewing direction (6H), 16.7M full color, and driven by the ST7701SI IC, this display excels in variable lighting environments. The transflective technology combines transmissive and reflective modes, ensuring clear visibility in both indoor low-light and direct outdoor sunlight, making it ideal for portable and industrial applications where power efficiency and sunlight readability are critical.

Key Specifications

Parameter                 Value
Screen Size                 4.0 inch
Display Type               Transflective TFT, Normally White, TN
Touch Panel                Yes, Capacitive Touch
Resolution                  480 x 800 (RGB)
Dot Pitch                    0.18(H) x 0.18(V) mm
Viewing Direction        6 o'clock (6H)
Driver IC                    ST7701SI
Color Depth                16.7M colors
Brightness                   150 cd/m²
Contrast Ratio              50 : 1
Module Dimensions       57.86 x 97.70 x 4.08 mm
Viewing Area                52.44 x 87.40 mm
Active Area                   51.84 x 86.40 mm
Interface                      16/18/24-bit RGB
Pin Count / Pitch           45 pins / 0.5mm pitch
Connection Type           Plug-in (FPC)
Operating Voltage         2.8V
Backlight                      White LED (8 LEDs, 4S2P) – VF=12.4V, IF=40mA
Backlight Lifetime          50,000 hours
Operating Temp             -10℃ ~ +60℃
Storage Temp                -20℃ ~ +70℃
Certifications                  RoHS compliant

Suitable Applications:

Thanks to its transflective design, this 4.0-inch display balances sunlight readability and low power consumption. Ideal for:

Outdoor Handheld Devices – GPS trackers, portable data collectors, field survey equipment
Industrial HMIs – Outdoor control panels, smart meters, public kiosks
Medical Portable Devices – Patient monitoring terminals, home-use diagnostic tools
Smart Home & IoT – Smart thermostats, pool controllers, garden monitors

Automotive / Marine – Dashboard displays, marine GPS, vehicle diagnostic screens