Among the defective products of LCD liquid crystal display, which kind of defect is the most difficult to control?

If you want to know which kind of defective LCD is the most difficult to control, you must first know the classification of defective LCDs: 1. Defective LCDs in the previous process Defects in the pre-process of LCD screens mainly include the following defects: lack of scratches, short circuit, high current, poor silk screen printing, internal pollution, and misalignment of lamination, etc. Second, the poor process of the LCD screen The poor process of the LCD screen mainly includes the following defects: poor cutting, liquid leakage, liquid crystal pollution, uneven thickness of the box, unclean cleaning, etc. 3. Defective post-process The poor pre-process of mobile phone LCD mobile LCD screen display mainly includes the following defects: poor electrical measurement, poor placement, misaligned feet, etc. In the past, the poor process was the most difficult to control. In the previous process, the internal pollution was the most difficult to control, because the internal pollution is not only related to the environment, but also related to the operation of personnel, and also related to the performance of equipment. For example, powder spraying is easy to form powder clusters. Moreover, the positions occupied are all positions in the previous process, and all these defects are the most difficult to control. Shenzhen Kimeery Electronics Co., Ltd. is a TFT LCD screen manufacturer, OLED display manufacturer'>OLED display manufacturer, LCD screen manufacturer. It is a high-tech company specializing in the research and development, production and sales of liquid crystal display (LCD) and LCD screenmodule (LCM) technology enterprise. After ten years of development, the company has gradually established a research and development center, LCD business department, FOG business department, and module assembly business department. The products cover TN-mobile phone LCD, STN-LCD, COG-LCM, COB-LCM, TFT, flexible display, PM-OLED, AM-LCD for Samsung, Electronic paper, etc. Aiming at the long-term planning of production, R&D, sales, and talents, we have built a solid business structure and maintained a steady growth in sales. LCD mobile phone LCD screenTFT LCD screen LCD for Samsung display manufacturers

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