Method of forming a flexible thin film transistor display device with a metal foil substrate
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United States of America Patent
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Jun 11, 2003
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Sep 13, 2002
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Abstract
A method of forming a flexible thin film transistor (TFT) display device. A metal foil serving as a flexible metal substrate of a display device is provided, wherein the metal foil is an aluminum alloy foil, a titanium foil or a titanium alloy foil. The thickness of the metal foil is 0.05.about.0.8 mm. An insulation layer is formed on the flexible metal substrate. A thin film transistor (TFT) array is formed on the insulation layer. In addition, the aluminum alloy foil can include magnesium of 0.01.about.1% wt and/or silicon of 0.01.about.1% wt and the titanium alloy foil can include aluminum of 0.01.about.20% wt and/or molybdenum of 0.01.about.20% wt.
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