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Top > Kameyama Manufacturing Top > Liquid Crystal Technologies Top > Liquid Crystal Injection Technology
An LCD panel is made up of two thin glass substrates with liquid crystals between them. The gap between the substrates is only a few micrometers* wide, varying only ±10%. In a conventional manufacturing line, the two glass substrates are first combined, and three sides of that combined unit are sealed. The open side of that unit is then soaked in liquid crystals, allowing the crystals to penetrate into the gap between substrates via a process called the capillary phenomenon. For a 15-inch panel, this method takes half a day; it takes much more time to make panels for large TVs.
In order to mass-produce larger LCD panels, Sharp adopted new technology that involves dropping liquid crystals onto the surface of a glass substrate. The optimal amount to drop and the most suitable interval setting were determined through trial and error. Through this method, which looks simple but is actually quite difficult, Sharp pioneered the way to mass production of large LCD panels.
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micrometer =1/1,000 mm |
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