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    • 1. 发明申请
    • SUPER BROAD-BAND POLARIZING REFLECTIVE MATERIAL
    • 超级宽带偏光反射材料
    • WO1997016762A1
    • 1997-05-09
    • PCT/US1996017464
    • 1996-10-29
    • REVEO, INC.LI, LeJIANG, YingqiuFARIS, Sadeg, M.
    • REVEO, INC.
    • G02F01/13
    • B82Y15/00E06B2009/2464F24S50/80G02B5/3016Y02E10/40
    • Disclosed are super broadband circularly polarizing film materials and novel methods of fabricating and using the same. The circularly polarizing materials are made from a film of material, such as a CLC polymer having a cholesteric order, in which a liquid crystal material, such as a nematic liquid crystal material, is distributed in a non-linear fashion across the thickness of the film in a plurality of liquid crystal-rich and liquid crystal-depleted sites in the CLC polymer. The pitch of the helices of the CLC molecules in the polymerized CLC material varies in a non-linear (e.g. exponential) manner along the depth dimension (i.e. transverse to the surface) thereof. The resulting circularly polarizing materials have reflection and transmission characteristics over bands of operation approaching 2000 nm. Depending on the final spiral structure of the materials utilized, the CLC circularly polarizing materials reflect either left-handed or right-handed circularly polarized light.
    • 公开了超宽带圆偏振膜材料及其制造和使用的新方法。 圆偏振材料由诸如具有胆甾醇级的CLC聚合物的材料膜制成,其中液晶材料如向列型液晶材料以非线性方式分布在整个薄膜的厚度上 在CLC聚合物中的多个液晶富集和液晶贫化位点中的膜。 聚合的CLC材料中的CLC分子的螺旋的间距沿其深度尺寸(即横向于其表面)以非线性(例如指数)方式变化。 所得到的圆偏振材料在接近2000nm的操作带上具有反射和透射特性。 根据所使用的材料的最终螺旋结构,CLC圆偏振材料反射左旋或右旋圆偏振光。
    • 6. 发明申请
    • LIQUID CRYSTAL FILM STRUCTURES WITH PHASE-RETARDATION SURFACE REGIONS FORMED THEREIN
    • 具有相位阻滞表面区域的液晶晶体结构
    • WO1998020090A1
    • 1998-05-14
    • PCT/US1997020091
    • 1997-11-04
    • REVEO, INC.FARIS, Sadeg, M.
    • REVEO, INC.
    • C09K19/00
    • B82Y15/00E06B9/24E06B2009/2464F24S50/80G02B5/3016G02F1/1334Y02E10/40
    • Disclosed are liquid crystal phase-retarders and linear polarizers and methods and apparatus for making the same. The liquid crystal phase-retarder is realized by a liquid crystal film structure having one or more phase retardation regions formed therein. Each phase retardation region has an optical axis specified by the direction and depth of orientation of liquid crystal molecules along the surface of the liquid crystal film structure. The liquid crystal linear polarizer is realized by a liquid crystal film structure having a chiral phase region within which liquid crystal molecules are cholesterically ordered (fig. 3). One or more nematic phase regions are formed along the surface of the liquid crystal film structure within which liquid crystal molecules are oriented along a direction and to a surface depth sufficient to realize one or more phase retardation regions therein having optical axes along the diretion of liquid crystal molecules orientation.
    • 公开了液晶相位延迟器和线偏振器及其制造方法和装置。 液晶相位延迟器由其中形成有一个或多个相位延迟区域的液晶膜结构实现。 每个相位延迟区域具有由液晶分子沿着液晶膜结构的表面的取向方向和深度指定的光轴。 液晶线性偏振器通过具有手性相位区域的液晶膜结构实现,其中液晶分子被胆甾醇排列(图3)。 沿着液晶分子取向的液晶分子的表面形成有一个以上的向列相区域,其中液晶分子沿着一个方向和表面深度被取向,该表面深度足以实现一个或多个相位延迟区域,其中沿着液体的方向具有光轴 晶体分子取向。