We've been walking for 60 years.
It was a very long and lonely road.
We've been walking for 60 years.
It was a very long and lonely road.
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Youngdo Velvet's LCD panel manufacturing rubbing cloth was first applied to the iPad 2 Retina LCD developed with LG Display in 2011, and then the world's best display companies such as Samsung Electronics, Taiwan TSMC, and China BOE became clients of Youngdo.
As global display technology has recently entered an extreme war of picture quality, Youngdo Velvet's LCD rubbing cloth, which occupies more than 90% of the global LCD rubbing cloth industry, has commercialized 40,000 ea/㎠ in 2010 and 90,000 ea/㎠ in 2020, thanks to its expertise and technological advancement. We supply ultra-high density products of ㎠.
Velvet rubbing fabric made of pile yarn with a sheath-core structure through surface hydrolysis using acetate fibers with uprightness!
Pile yarn is very soft and is most suitable for manufacturing ultra-high resolution LCD products, so products with a file density of 90,000ea/㎠ have been developed and are used for 4K and 8K TV panels. Korea's Hyperflex Co., Ltd. holds the global patent right, and Youngdo Velvet has been developing it as a product since 2005.
It is a rubbing cloth product using viscose rayon, a regenerated fiber with a cellulose structure optimized for the rubbing process, as velvet pile and ground (ground tissue). Two Japanese companies hold patent rights and commercialization technology.
Rayon rubbing cloth is manufactured by spinning molten cellulose molecules, so it has higher evenness than natural cotton fiber and relatively strong rubbing properties compared to cotton rubbing cloth, and is suitable for manufacturing high-resolution LCDs.
It is a product that meets the conditions such as directionality and uprightness of the pile to meet the required performance of the LCD display by using natural cotton fibers as velvet pile and ground.
Six OH groups attached to the cellulose structure can play a role in regularly aligning the alignment layer, and have strengths in rubbing stability and static electricity (ESD) due to the natural twist form of cotton fiber and its water-loving property.
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