In high-demand fields such as industrial automation, medical equipment, and intelligent transportation, the stability and reliability of TFT display screens directly impact the overall performance of the equipment. As a core display component for industrial devices, industrial-grade TFT color screens have become the preferred choice for many harsh environments due to their high resolution, wide temperature adaptability, and long lifespan. So, how is a high-quality industrial-grade TFT color screen produced? What core techniques and technological advantages lie behind TFT color screens?
The production process of industrial-grade TFT color screens combines precision manufacturing with stringent quality control, where each step directly affects the performance and reliability of the TFT screen. Below is the core production workflow:
- Glass Substrate Preparation
High-purity alkali-free glass is used to ensure excellent optical performance and thermal stability, laying the foundation for the subsequent TFT circuit layer fabrication. - Thin-Film Transistor (TFT) Array Manufacturing
Through precision processes such as sputtering, photolithography, and etching, a TFT matrix is formed on the glass substrate. Each transistor corresponds to a pixel, enabling precise control of the TFT display state. - Color Filter Production
RGB color filter layers are coated onto another glass substrate, followed by the application of a black matrix (BM) to enhance contrast and color purity, ensuring vibrant and lifelike images. - Liquid Crystal Injection and Encapsulation
The two glass substrates are precisely aligned and bonded in a dust-free environment, and liquid crystal material is injected to prevent impurities from affecting TFT display quality. - Drive IC and PCB Bonding
The driver chip and flexible printed circuit (FPC) are connected to the panel to enable electrical signal input and precise image control. - Module Assembly and Testing
After integrating components such as the backlight, casing, and interfaces, comprehensive tests are conducted on brightness, response time, viewing angles, color uniformity, and more to ensure each TFT color screen meets industrial-grade standards.
Post time: Jul-01-2025