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    • 61. 发明授权
    • Multi-color cholesteric liquid crystal display
    • 多色胆固醇液晶显示
    • US07195802B2
    • 2007-03-27
    • US11003169
    • 2004-12-03
    • Gabriel IftimePeter M. Kazmaier
    • Gabriel IftimePeter M. Kazmaier
    • C09K19/36C09K19/54
    • G02F1/13718G02F2202/06G02F2203/34Y10T428/10Y10T428/1036
    • A cholesteric display including a cholesteric liquid crystal, and a dipolar dopant having limited miscibility in the cholesteric liquid crystal is provided. In accordance with another aspect, a process is provided for forming a cholesteric liquid crystal composition by dissolving a dipolar dopant having limited solubility into a cholesteric liquid crystal. The liquid crystal composition can be utilized to produce a cholesteric display. The liquid crystal domains in the liquid crystal composition rotate away from a planar state in the presence of an applied electric field and the degree of rotation is a function of the applied electric field strength. The reflected color is then a function of the applied electric field.
    • 提供了包括胆甾型液晶的胆甾型显示器和胆甾醇型液晶中具有有限混溶性的偶极掺杂剂。 根据另一方面,提供了通过将具有有限溶解度的偶极掺杂剂溶解到胆甾型液晶中来形成胆甾型液晶组合物的方法。 可以使用液晶组合物来生产胆甾型显示器。 在施加电场的情况下,液晶组合物中的液晶畴从平面状态旋转,旋转度是所施加的电场强度的函数。 反射的颜色然后是所施加的电场的函数。
    • 64. 发明授权
    • Stabilized photochromic ink for reusable paper annotation
    • 稳定的光致变色墨水,用于可重复使用的纸张注释
    • US08545738B2
    • 2013-10-01
    • US12854418
    • 2010-08-11
    • Peter M. KazmaierGabriel IftimeKentaro MorimitsuAdela Goredema
    • Peter M. KazmaierGabriel IftimeKentaro MorimitsuAdela Goredema
    • G02B5/23B41J2/175
    • C09D11/50G03C1/73
    • Provided are ink compositions, methods for making photochromic inks, and methods of using the photochromic inks for erasable media annotation. In accordance with various embodiments, there is an ink composition including a carrier medium and one or more photochromic species in the carrier medium, wherein each of the one or more photochromic species can be selected from the group consisting of monomeric photochromic molecules, photochromic oligomers, and photochromic polymers, and wherein each one of the one or more photochromic species exhibits a reversible transition from a colorless state to a colored state upon exposure to a radiant condition wherein the radiant condition can be selected from the group consisting of a radiant energy and a combination of a radiant energy and thermal energy.
    • 提供油墨组合物,制备光致变色油墨的方法以及使用光致变色油墨进行可擦除介质注释的方法。 根据各种实施方案,存在在载体介质中包含载体介质和一种或多种光致变色物质的油墨组合物,其中所述一种或多种光致变色物质中的每一种可以选自单体光致变色分子,光致变色低聚物, 和光致变色聚合物,并且其中所述一种或多种光致变色物质中的每一种在暴露于辐射状态时表现出从无色状态到着色状态的可逆转变,其中辐射条件可以选自辐射能和 辐射能和热能的组合。