2.4 inch tft display high brightness

Description of the 2.4 inch tft display

The TFT-H024A1QVIST8N40 is a 2.4-inch wide-temperature IPS TFT-LCD display with a resolution of 240×320 pixels and a brightness of up to 800 cd/m², making it readable even in sunlight. The IPS viewing angle ensures clear image quality from any angle. The module features a built-in ST7789V driver IC and supports MCU interfaces for use with development platforms such as Arduino, C8051, and LVGL. This TFT-H024A1QVISTKC40 also comes with a touchscreen version, featuring an integrated FT6236U IC that supports I2C and multi-touch functionality. A light touch of the fingertip delivers a smooth, seamless experience, providing a comfortable user experience.

The classic 2.4-inch design makes this product widely applicable in handheld devices, micro appliances, industrial control equipment, and more. This version does not include a driver board, allowing developers to design their own driver board and main control solution based on their specific needs. This model also offers a In addition, this model also offers a higher brightness 1500cd/m2 panel option (TFT-H024A1QVISTKN40) as well as other 2.4-inch TFT LCD displays with different structural features.as well as other 2.4-inch TFT LCD displays with different structural features.

Lack development skills? No problem! We offer the smart display module HTM-H024A16-UART-A02 or the module with SPI driver HTM-TFT024A16-SPI. All products are ROHS compliant.

Specifications for the 2.4 inch tft display

2.4 inch tft display Product Advantages

• The high-brightness solution of 800 nits, combined with the full-viewing-angle characteristic of IPS technology, ensures that operators can clearly read every set of data on the 2.4 inch TFT display even under direct strong light. Undoubtedly, this 2.4 inch TFT display is a powerful tool for fields such as outdoor instrumentation.

• Reliable outdoor screens all day long：According to the specification sheet and official product page, the most impressive feature of the TFT-H024A1QVIST8N40 2.4 inch TFT display is its ultra-wide storage temperature range of -40℃ to 80℃. They can all start up and work normally.

• Two interfaces:For engineers, hardware compatibility and design flexibility are of paramount importance. This 2.4 inch TFT display is equipped with the ST7789V driver chip, a widely used and mature driver IC in the industry. Its biggest highlight lies in interface compatibility: it supports the MCU 8-bit/16-bit parallel interface and is also compatible with the SPI (Serial Peripheral Interface).
• In the touch version, this TFT-H024A1QVISTKC40 module integrates the FT6236U capacitive touchscreen driver chip. This is a highly mature self-capacitive touch chip in the industry, supporting multi-touch and possessing excellent anti-interference capabilities. It simplifies the originally complex capacitive touch design to standard I2C interface communication. Engineers no longer need to handle complex analog signal scanning; they can simply read coordinate data like reading ordinary sensors, greatly simplifying the development process.

What does a 240×320 resolution mean? What kind of display effect does it produce when applied to a 2.4-inch display?

The 240×320 TFT LCD display achieves an impressive pixel density of approximately 166 PPI on its compact 2.4-inch screen. This means 76,800 individual pixels are finely arranged within the active display area (36.72mm x 49.26mm), with each pixel measuring a mere 0.153mm. Such a high-resolution layout in this small form factor results in exceptionally sharp and detailed visual output, effectively eliminating any grainy or pixelated appearance.

The 240×320 resolution provides ample canvas space for clear text rendering—capable of displaying hundreds of characters—vibrant icons, and structured graphical user interfaces. This combination delivers a smooth and information-rich viewing experience, rivaling early smartphone displays, while maintaining an optimal balance between visual fidelity, power efficiency, and system performance. The 240×320 TFT LCD display thus transforms the 2.4-inch viewing area into a premium visual interface ideal for applications requiring both compact size and high-quality graphics.

Application areas of 240×320 st7789 display

• Industrial and special industry handheld devices: In scenarios such as petroleum exploration, geological surveying, and industrial patrol inspection, devices often need to work under outdoor strong light and harsh climatic conditions. The high brightness and wide temperature range of the 2.4 inch TFT display perfectly meet this demand, ensuring the accuracy of data reading.
• Medical electronic instruments: Such as portable monitors, handheld ultrasound probes, blood glucose meters and so on. These devices have high requirements for display viewing angles and color reproduction, and the IPS full viewing angle of the 2.4 inch TFT display ensures that medical staff can accurately observe waveforms and data from all angles.
• Smart home and control panels: On smart speakers, HVAC controllers, and video intercom indoor units, the 2.4-inch size of the 2.4 inch TFT display takes up no extra space while providing a sufficient interactive area. The addition of a capacitive touch screen enables the UI design of the 2.4 inch TFT display to break away from the constraints of physical buttons and achieve a more modern and concise interactive logic.

FAQ about the st7789 display

Q1: My main control chip has insufficient pins, can I drive the screen with the SPI interface? Will the refresh rate be too slow?

A1: Absolutely. This 2.4 inch TFT display supports the SPI (Serial Peripheral Interface) mode, which only occupies 4-5 GPIOs (General-Purpose Input/Output pins) of the main control (CS, SCL, MOSI, DC/RST), making it ideal for pin-constrained chips.

As for the refresh rate, it depends on the communication method you choose for the 2.4 inch TFT display. This screen supports two modes: SPI serial interface and MCU parallel interface.

• When using the SPI mode, the 2.4 inch TFT display has the advantage of occupying fewer pins but a slightly slower refresh speed. However, for application scenarios such as displaying menus, data, and simple pointer rotation, this speed is completely sufficient, and the 2.4 inch TFT display looks smooth in operation.
• If you need to play videos or have high requirements for refresh rate, it is recommended to use the MCU 8-bit/16-bit parallel interface for the 2.4 inch TFT display, which has a higher data transmission bandwidth and much faster speed.

Q2: What is the service life of this screen? Will displaying static images for a long time cause screen burn-in?

A5: The TFT-LCD (Thin Film Transistor Liquid Crystal Display) technology of the 2.4 inch TFT display is different from OLED (Organic Light-Emitting Diode). It relies on the deflection of liquid crystal molecules to control the backlight transmittance, so there is almost no “screen burn-in” phenomenon like that of OLED. Even if static images are displayed for a long time on the 2.4 inch TFT display, it will not cause permanent damage to the liquid crystal layer.

However, it should be noted that the backlight is the key to the service life of the 2.4 inch TFT display module. This 2.4 inch TFT display adopts an LED backlight, whose brightness will gradually decay with the increase of usage time. Generally, the half-life of the LED (the time when the brightness drops to 50% of the initial value) can reach more than 20,000 to 50,000 hours. If the 2.4 inch TFT display needs to be used at extreme brightness, it is recommended to set a screen saver in the software or turn off the backlight when not in use to extend the overall service life of the 2.4 inch TFT display.