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    • 9. 发明授权
    • Method to stabilize a carbon alignment layer for liquid crystal displays
    • 稳定液晶显示器的碳取向层的方法
    • US06485614B2
    • 2002-11-26
    • US09727572
    • 2000-11-30
    • Yoshimine KatohYoshiki NakagawaShuhichi OdaharaMahesh Govind Samant
    • Yoshimine KatohYoshiki NakagawaShuhichi OdaharaMahesh Govind Samant
    • C07C100
    • C23C14/5833C23C14/0605C23C14/584G02F1/13378
    • A method for improving the anchoring of liquid crystals on carbon alignment layers used in liquid crystal displays involves exposing the alignment layer to hydrogen atoms. The atomic hydrogen exposure passivates the surface of the carbon layer to stabilize the anchoring of the subsequently deposited liquid crystals. The substrate on which the carbon layer is supported is located beneath a stretched tungsten filament, and the substrate and filament are located in a vacuum chamber containing hydrogen gas. The heating of the tungsten filament by an appropriate power source dissociates the hydrogen gas into hydrogen atoms and the hydrogen atoms contact the surface of the carbon layer. The process is applicable to stabilize carbon alignment layers that have been formed by directional deposition of carbon, as well as carbon alignment layers where the alignment is caused by a separate ion irradiation step after the carbon layer is formed.
    • 用于改善在液晶显示器中使用的碳取向层上的液晶的锚定的方法包括将取向层暴露于氢原子。 原子氢暴露钝化碳层的表面以稳定随后沉积的液晶的锚定。 其上支撑有碳层的基板位于拉伸的钨丝之下,并且基材和长丝位于含有氢气的真空室中。 通过适当的电源对钨丝进行加热将氢气解离成氢原子,氢原子与碳层的表面接触。 该方法适用于稳定通过碳的定向沉积形成的碳取向层,以及在形成碳层之后通过单独的离子照射步骤引起排列的碳取向层。