The manufacturing of display panels involves more than one‑hundred processes. Residual particles at the micron level can lead to pixel defects or Mura defects (uneven brightness or color on screens). As a frequently‑consumed clean‑room consumable on production lines, Cleanroom Wipers are directly related to panel yield rate.
For over 20 years, BSL has focused on the production of clean and wiping products, possessing full industrial chain manufacturing capabilities covering yarn spinning, weaving, and finished product processing. Its cleanroom wiper product portfolio includes various material variants, such as 100% polyester, microfiber, and anti-static wiping cloths, meeting the cleaning requirements of different processes on display panel production lines.
01. Cleaning
the glass substrate
surface: During feeding, handling, and processing, glass substrates easily absorb environmental particles and processing residues. Key processes such as thin film coatings and photoresist coatings impose strict cleaning requirements on substrates. Ordinary wiping materials easily shed lint, which can cause secondary contamination. The polyester series BSL cleanroom wipers are manufactured using continuous weaving technology, with edges hot-cut and sealed, achieving low fiber shedding during wiping, suitable for detailed cleaning of substrates and panel surfaces.
02. Quality assurance of lamination and alignment processes
In processes including OCA optical adhesive lamination and polarizer installation, the cleanliness of the bonded surface directly determines the quality of the finished product. Tiny particles trapped at the key interface can produce visible foreign defects. When used with solvents such as isopropanol, cleanroom wipers can quickly remove oil stains and fine particles from bonded surfaces. Its high liquid absorption capacity quickly locks in solvents, preventing residual liquid from interfering with subsequent processes.
03. Production Equipment
Maintenance The lithography and etching equipment used in the array process is highly precise. Transport vehicles, rails, and transport components require regular cleaning. During manufacturing, loose particles adhering to the equipment surface may transfer onto the substrate, causing batch defects. BSL cleanroom wipers have excellent wear resistance, can withstand repeated wiping, and maintain stable cleaning performance for equipment maintenance.
04. Electrostatic Discharge Protection
Both the TFT circuit and driver chip are electrostatically sensitive. Electrostatic discharge can damage circuits and cause irreversible defects. The cleanroom environment is dry and cannot completely eliminate static electricity generated by friction. By embedding conductive wire, BSL anti-static wiping cloth can promptly dissipate static charge, reducing the risk of static damage.
05. Liquid contaminant treatment
Panel production lines handle a wide variety of chemicals, including developers, strippers, and cleaners. Leaked chemicals need to be dealt with immediately. BSL's ultra-fine fiber series of cleanroom wipers features capillary sweat removal and excellent liquid adsorption capacity, quickly removing spilled liquid residues while limiting the spread of chemical contamination.
液晶面板生产线的清洁控制需求涵盖基材清洗、设备维护、静电保护和化学品泄漏处置。可以根据工艺特性选择合适的BSL洁净室擦拭器型号。
随着显示面板技术的不断进步，面板制造工艺的精度要求不断提高，清洁控制标准也相应紧密。BSL将继续优化其洁净室雨刷的制造工艺和质量，为显示面板行业提供稳定可靠的清洁擦拭解决方案。
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