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    • 7. 发明授权
    • Systems and methods for providing a storage medium
    • 用于提供存储介质的系统和方法
    • US06392725B1
    • 2002-05-21
    • US09192402
    • 1998-11-16
    • Haruo HaradaNaoki HijiHiroshi ArisawaHideo KobayashiTakeo KakinumaDaisuke Tsuda
    • Haruo HaradaNaoki HijiHiroshi ArisawaHideo KobayashiTakeo KakinumaDaisuke Tsuda
    • G02F11347
    • G02F1/13473G02F1/13476G02F1/13718
    • This invention provides a storage medium, method of writing images to a storage medium, method of forming a storage medium and a storage medium formed using the method of forming a storage medium. The storage medium provides a display which has memory capability without power, allows images to be updated quickly by external equipment, and is capable of a full-color display. The storage medium includes three display layers having cholesteric liquid crystals which selectively reflect blue, green, and red, respectively, and are different from each other in texture change threshold voltage. The display layers are stacked between substrates and a light absorption layer is provided. An image writing apparatus is formed separately from the storage medium and provides write electrodes sandwiching the storage medium. A write signal is applied between the electrodes with a voltage, wherein the voltage is selected from seven levels of voltage which are produced based on the respective texture change threshold voltages of the cholesteric liquid crystal display layers.
    • 本发明提供一种存储介质,将图像写入存储介质的方法,形成存储介质的方法和使用形成存储介质的方法形成的存储介质。 存储介质提供具有无电力存储能力的显示器,允许外部设备快速更新图像,并且能够进行全色显示。 存储介质包括具有胆固醇液晶的三个显示层,其分别选择性地反映蓝色,绿色和红色,并且在纹理变化阈值电压中彼此不同。 显示层堆叠在基板之间,并且提供光吸收层。 图像写入装置与存储介质分开形成,并提供夹着存储介质的写入电极。 写入信号以电压施加在电极之间,其中电压选自基于胆甾醇型液晶显示层的相应纹理变化阈值电压产生的七个电压电平。