Amid the race for larger smartphone screens, 2.4-inch color displays are transforming from "niche components" to core display solutions across multiple sectors, thanks to technological breakthroughs and scenario adaptability. Recently, a series of innovative products equipped with 2.4-inch color screens have made their debut, covering communication devices, smart terminals, industrial control, and other fields, demonstrating the enormous market potential of small-size displays.
Technically, 2.4-inch color screens have achieved several key breakthroughs. In terms of display performance, mainstream products now feature resolutions ranging from 320×240 (QVGA) to 320×480, supporting 65K to 16.7 million colors. Some AMOLED models boast a contrast ratio of up to 100,000:1, with significantly improved visibility under strong light. Interface technology has been fully upgraded, with SPI/I²C serial interfaces becoming standard, and some high-end models adopting MIPI interfaces to enhance data transmission speed. These screens are compatible with mainstream development platforms such as Arduino and ESP32, lowering the threshold for embedded project development. Power consumption control has reached new heights, with a typical operating current of only 20mA and standby power consumption of just a few milliamps, meeting the long-battery-life requirements of portable devices.
Application scenarios are continuously expanding, making 2.4-inch color screens a "must-have component" across industries. In the communication sector, Beifeng BP860 digital walkie-talkie is equipped with a 2.4-inch transflective high-definition color screen, featuring a grid UI design and strong light visibility for efficient operation in harsh environments. In consumer electronics, the KeenPlus U3 smart MP4 has pioneered running a full Android 13.0 system on a 2.4-inch screen. Equipped with an MT6762 octa-core processor, it supports third-party app installation and Wi-Fi connectivity, redefining portable smart terminals. In industrial and IoT fields, the EzUILet024 touchless smart color screen module, with advantages such as serial port intelligent control and multi-graphics library support, is widely used in smart home control panels, industrial equipment status displays, medical instrument interfaces, and other scenarios. Additionally, this screen size has become the standard configuration for portable medical devices such as blood glucose meters and ECG monitors, as well as industrial terminals including data collectors and handheld detectors.
Industry analysts point out that the rise of 2.4-inch color screens is driven by both "precise scenario adaptation" and "technological iteration and upgrading." With the rapid development of IoT, Industry 4.0, and other fields, the demand for miniaturized, low-power, and high-reliability display solutions continues to grow, bringing broad market space for 2.4-inch color screens. In the future, with the further popularization of technologies such as AMOLED and LTPS, as well as the advancement of interface standardization and cost optimization, this screen size will achieve large-scale application in more smart devices.
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