Please kindly contact us for full data sheet of the display.

DESCRIPTION

HICENDA HT040WQI-H401-R4018 is a 4-inch square TFT LCD module with a 480x480 pixel resolution, specifically engineered for home application interfaces. With a compact form factor measuring 84.2×84.3×3.2 mm and a viewing area of 71.86×70.18 mm², this display integrates a capacitive touch panel (CTP), wide-angle visibility, and vibrant full-color output. Designed for reliability in diverse operating environments, this module incorporates robust driver ICs for both display and touch functionality, making it a dependable solution in compact embedded systems.

GENERAL SPECIFICATION

DRAWING

Design Characteristics and Structural Dimensions

The 4-inch 480×480 TFT LCD module embodies a balance between mechanical precision and high visual performance. Engineered in a square layout, the module is optimal for symmetrical UI design in smart home devices, control panels, and portable instruments. Its all-view orientation ensures consistent image clarity across various angles, making it suitable for dynamic interactive environments.

Display and Touch Technology Integration

The HT040WQI-H401-R4018 employs advanced thin-film transistor (TFT) technology with an ST7701S display driver, enabling efficient full-color rendering and stable image output. The module’s interface supports both 3SPI and RGB communication protocols, offering compatibility with a wide range of embedded systems.

Capacitive Touch Performance

The integrated touch screen is powered by the GT911/GFF controller, delivering high sensitivity and multi-touch responsiveness. The touch interface follows the I²C protocol, ensuring low-power, high-speed communication between the display and microcontroller units (MCUs).

Environmental Reliability and Operational Range

Engineered for resilience, the module can operate reliably under a broad range of ambient temperatures. This makes it suitable for various applications, from indoor smart home panels to semi-outdoor control terminals.

Thermal Operating Limits

The HT040WQI-H401-R4018 remains stable in the following temperature thresholds:

Operating Temperature: -20°C to +70°C

Storage Temperature: -30°C to +80°C

The robust environmental specifications highlight the module’s suitability for long-term deployment in diverse climatic conditions without degradation in performance.

Application Potential in Modern Embedded Systems

With its square form factor, vivid display performance, and integrated touch capabilities, this module stands out as a versatile component in embedded applications. From home automation interfaces and control pads to consumer electronics and handheld terminals, the display supports intuitive interaction and modern visual aesthetics.

The HT040WQI-H401-R4018 is not just a display module—it represents a finely engineered visual interface that meets the evolving demands of contemporary embedded systems. Through its precise structure, advanced display and touch integration, and environmental durability, it serves as a core component for the next generation of intelligent devices.

INTERFACE PIN FUNCTION