mother glass

mother glass

A large, fabricated glass substrate that is cut into individual units for LCD and gas plasma flat panel displays.
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Even in terms of display markets, firms are taking the longer-view, hoping that they can (a) deliver a cost advantage (e.g., high web speeds, lowering yield requirements, etc) in the longer term for next-gen mother glass (substrate) sizes, and/or (b) offer a more accessible technology to new display producers who do not have the in-house know-how and/or the expensive equipment set to produce in-line TFE.
The mother glass used in mainstream production methods of TFT-LCD panel manufacturers is large sized, and hence, there is a need for glass manufacturers to be capable of steadily supplying large sized glass substrates.
At the Sakai plant, Sony and Sharp plan to produce top-notch LCD panels by making the best use of the 10th-generation mother glass substrates.
Tokyo, Japan, Feb 26, 2008 - (JCN Newswire) - Sharp Corporation and Sony Corporation announced that today they signed a non-binding memorandum of intent to establish a joint venture to produce and sell large sized LCD panels and modules, by splitting out from Sharp an LCD panel plant now under construction in Sakai City, Osaka Prefecture which will use 10th generation mother glass substrates.
They require vacuum-evaporation technology in the production process, which is unsuitable for the fabrication of large-sized, high-resolution displays on a large mother glass substrate, as required in the TFT production process.
The company plans to start mass production of the new panels using 600mm x 720mm mother glass early next year with an initial output of 10,000 units a month.
Through the joint venture, Sony and Sharp said they will produce high-quality LCD panels and modules by making the best use of the so-called 10th-generation mother glass substrates to be adopted at the factory dubbed by Sharp as ''Manufacturing Complex for the 21st Century.''
The venture will certainly be a world leader in TFT-LCD technology and one of LG's three existing plants in Kumi, South Korea, will be converted and upgraded to manufacture 680mm x 880mm mother glass, the largest on the international market, with each of the glass substrates yielding six 15-inch TFT-LCD panels.