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The 3.97-inch TFT Color Screen: Enabling Compact Display Solutions Across Industries

The 3.97-inch TFT Color Screen: Enabling Compact Display Solutions Across Industries

2026-01-10

The 3.97-inch TFT LCD screen is gaining significant traction as a preferred display solution for compact smart devices. Its balanced size and reliable performance make it a versatile component for industries ranging from industrial automation to consumer electronics and healthcare.

Key Specifications and Diverse Applications:

  • Reliable Performance: A common resolution for this screen size is 480 x 800 pixels, offering a good balance of clarity and power efficiency. Utilizing TFT technology, it supports full-color display with wide viewing angles. Certain models are built to operate in temperatures from -20°C to +70°C, ensuring reliability in varied environments.

  • Interface Options: To accommodate different system architectures, primary interface options include MIPI and RGB. For instance, Hongtai Technology's model TFT-H040A6 features an MIPI interface, while Jinglitai's model JLT4007A uses an RGB interface driven by the ILI9806E chip.

  • Broad Application Spectrum: Its use cases extend beyond traditional industrial instruments to smart home control panelsvehicle display systemsportable medical devices, and various handheld terminals.

Market Perspective: Several Chinese display manufacturers, including Nanjing Shuotai Technology and Shenzhen Haifei Zhixian, have established the 3.97-inch TFT screen as a key product, often supporting customization. This underscores the steady market demand for mid-to-small size, high-performance display modules.