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    • 1. 发明授权
    • Multilayered chromonic structures
    • 多层发色结构
    • US07993748B2
    • 2011-08-09
    • US12554441
    • 2009-09-04
    • Sanat MohantyHassan SahouaniCristin E. Moran
    • Sanat MohantyHassan SahouaniCristin E. Moran
    • B32B5/16C09K19/52
    • A61K9/0019A61K47/22Y10T428/2989Y10T428/2991Y10T428/31504
    • A method of making a multilayered chromonic structure comprises (a) preparing a first aqueous mixture comprising (i) a first continuous water-soluble polymer phase and (ii) a first discontinuous chromonic phase comprising a chromonic material, to form chromonic nanoparticles; (b) non-covalently crosslinking the resulting chromonic nanoparticles with a multivalent cation salt; (c) dispersing the resulting crosslinked chromonic nanoparticles in a composition comprising a chromonic material to form a chromonic nanoparticle dispersion; and (d) preparing a second aqueous mixture comprising (i) a second discontinuous chromonic phase comprising the chromonic nanoparticle dispersion and (ii) a second continuous water-soluble polymer phase, to encapsulate the chromonic nanoparticles; wherein at least one of the first discontinuous chromonic phase and the second discontinuous chromonic phase further comprises a guest compound.
    • 制备多层发色结构的方法包括(a)制备第一含水混合物,其包含(i)第一连续水溶性聚合物相和(ii)包含发色材料的第一不连续发色相,以形成发色纳米颗粒; (b)用多价阳离子盐非共价交联得到的发色纳米颗粒; (c)将得到的交联发色纳米颗粒分散在包含发色材料的组合物中以形成发色纳米粒子分散体; 和(d)制备第二含水混合物,其包含(i)包含发色纳米颗粒分散体的第二不连续发色相和(ii)第二连续水溶性聚合物相,以包封发色纳米颗粒; 其中所述第一不连续发色相和所述第二不连续发色相中的至少一个还包含客体化合物。
    • 8. 发明授权
    • Anisotropic retardation layers for display devices
    • 用于显示装置的各向异性延迟层
    • US6051290A
    • 2000-04-18
    • US311087
    • 1999-05-13
    • Hassan SahouaniKim Marie Vogel
    • Hassan SahouaniKim Marie Vogel
    • C07D401/04C07D403/04C09K19/34G02B5/30G02F1/1335G02F1/13363C09K19/52C07D251/54G02F1/13
    • C07D401/04C09K19/3475G02B5/3083G02F1/13363Y10T428/10Y10T428/1036Y10T428/1041Y10T428/1059
    • A composition which includes the following compounds: ##STR1## wherein R.sup.1, which may be the same or different, is a hydrophilic group;R.sup.2, which may the same or different, is selected from the group consisting of electron donating groups, electron withdrawing groups, and electron neutral groups;R.sup.3 is a substituted or unsubstituted, positively charged heteroaromatic ring linked to the triazine backbone through a nitrogen atom in the R.sup.3 ring; andX.sup.- is a counterion.If R.sup.3 is an unsubstituted pyridine, the counterion X.sup.- may be selected from any counterion other than Cl.sup.- and OH.sup.-. Otherwise, the counterion X.sup.- may be selected from any counterion.The compound may be applied to a substrate to form a birefingent optical retardationdevice. The retardationdevice may be used in display devices such as computers and the like to correct the phase and polarization states of the display's emitted light and improve image quality at viewing angles away from the normal.
    • 一种组合物,其包含以下化合物:其中R 1可以相同或不同,为亲水基团; R2可以相同或不同,选自给电子基团,吸电子基团和电子中性基团; R3是通过R3环中的氮原子与三嗪骨架连接的取代或未取代的带正电荷的杂芳环; 而X-是抗衡离子。 如果R3是未取代的吡啶,则抗衡离子X-可以选自除Cl-和OH-之外的任何抗衡离子。 否则,可以从任何抗衡离子中选择抗衡离子X-。 可以将化合物施加到基板上以形成双折射光学延迟装置。 延迟装置可以用于诸如计算机等的显示装置中,以校正显示器发出的光的相位和极化状态,并提高远离标准的视角的图像质量。