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DESCRIPTION

HICENDA HT0299WVI-C40 is a 2.99-inch a-Si TFT display module designed for high-clarity vertical applications, integrating a resolution of 268(H) × 800(V) pixels. Based on the ST7701S driver IC, this module supports both SPI3W and RGB18-bit interfaces. It features a high-brightness IPS panel for enhanced visibility from all angles and delivers a full-color visual experience. With a compact form factor and robust design specifications, it is well-suited for embedded systems, medical devices, smart appliances, and other vertical format display solutions.

GENERAL SPECIFICATION

Key Features and Structural Overview

High-Resolution Vertical Layout

The HT0299WVI-C40 display module is tailored for vertically oriented applications. With a unique resolution of 268 by 800 pixels, it supports crisp graphics rendering in a portrait format. The pixel arrangement follows a precise RGB stripe configuration, ensuring color fidelity and uniformity across the entire display.

ST7701S Driver and Dual Interface Support

Central to the module’s performance is the ST7701S driver IC, known for its reliability and efficient signal processing. It supports a hybrid interface setup—SPI 3-wire for command control and RGB18-bit for data transmission—offering developers design flexibility in both MCU- and MPU-driven architectures.

Optical and Electrical Performance

Wide Viewing Angle with IPS Technology

Equipped with IPS (In-Plane Switching) technology, the display ensures consistent color and brightness levels regardless of viewing direction. The 1/64 duty driving scheme, combined with six white LEDs in a parallel backlight configuration, ensures uniform illumination and energy-efficient brightness output.

Robust Environmental Tolerance

The HT0299WVI-C40 is built to operate reliably under a wide temperature range, from -20°C to +70°C, and withstand storage conditions from -30°C to +80°C. This durability makes it ideal for outdoor instruments and rugged industrial displays.

Applications and Integration Potential

Compact Yet Powerful for Embedded Use

With an active area of 24.12(H) × 72(V) mm and a finely pitched pixel layout of 0.09 mm, this module strikes a balance between resolution and size. It is optimized for handheld terminals, smart meters, and wearable instrumentation that require vertical screen real estate without compromising visual clarity.

DRAWING

INTERFACE PIN FUNCTION

Conclusion

The HT0299WVI-C40 2.99-inch TFT display module represents a convergence of compact size, high visual fidelity, and flexible interfacing. Engineered for vertical-format integration, its IPS screen and hybrid communication capability make it a reliable and versatile choice across numerous embedded and portable applications. Whether in medical diagnostics or smart IoT control panels, this module ensures performance without compromise.