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    • 1. 发明授权
    • Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals
    • 液晶装置包括具有用于切换液晶的不同阈值电压的多个畴
    • US06384887B1
    • 2002-05-07
    • US09419753
    • 1999-10-18
    • Akio YasudaKeiichi NitoEriko MatsuiHidehiko TakanashiYing-Bao Yang
    • Akio YasudaKeiichi NitoEriko MatsuiHidehiko TakanashiYing-Bao Yang
    • G02F11337
    • G02F1/141G02F1/133707G02F1/133711G02F1/133734G02F2001/133796G02F2203/30
    • A liquid crystal device comprises a pair of substrates and a liquid crystal provided between the paired substrates wherein domains whose threshold voltages are different from one another are finely distributed throughout the liquid crystal. In particular, the respective substrates each has a transparent electrode and an alignment film formed thereon in this order and the substrates are assembled to establish a given space therebetween, and a ferroelectric liquid crystal being injected into the given space wherein domains are finely distributed as set out above, thereby providing a a liquid crystal display device. The fine distribution is such that when a transmittance through inverted domains is 25%, the number of domains (microdomains) having a size of larger than 2 &mgr;m&phgr; in a field of 1 mm2 is not smaller than 300, preferably not smaller than 600, and the width of the threshold voltage within the domains is not smaller than 2 volts within a transmittance range of from 10 to 90%. The liquid crystal device, particularly the display device, keeps a high contrast and can easily, reliably realize an analog gray-side display at low costs.
    • 液晶装置包括一对基板和设置在成对基板之间的液晶,其中阈值电压彼此不同的畴细分布在整个液晶中。 特别地,各基板各自具有依次形成在其上的透明电极和取向膜,并且基板被组装以在其间建立给定的间隔,并且将铁电液晶注入到给定的空间中,其中磁畴精细分布 从而提供一种液晶显示装置。 精细分布使得当通过反向结构域的透射率为25%时,在1mm 2的场中具有大于2mumphi的尺寸的域(微区域)的数量不小于300,优选不小于600,并且 在范围内的阈值电压的宽度在10至90%的透射率范围内不小于2伏特。 液晶装置,特别是显示装置,保持高对比度,并且能够以低成本容易地可靠地实现模拟灰度显示。
    • 5. 发明授权
    • Liquid crystal element having polarization moderating properties
    • 具有偏振调节特性的液晶元件
    • US06297865B1
    • 2001-10-02
    • US09037757
    • 1998-03-10
    • Eriko MatsuiNobue KataokaTakashi IwamuraHidehiko TakanashiAkio Yasuda
    • Eriko MatsuiNobue KataokaTakashi IwamuraHidehiko TakanashiAkio Yasuda
    • G02F11337
    • G02F1/133734G02F1/141G02F2001/133796
    • A liquid crystal element improved to reduce hysteresis and after-image by relaxing electronic polarization at an interface between liquid crystal and an orientation film, and hence to enhance an image quality and realize smooth display of a dynamic image irrespective of a material of liquid crystal. The liquid crystal element includes a plurality of base bodies each having a liquid crystal orientation film, the base bodies being opposed to each other on the orientation film side with a specific gap put therebetween; and liquid crystal disposed in the gap; wherein each of the orientation films has a property capable of relaxing polarization at an interface with the liquid crystal. The liquid crystal orientation film may be composed of an orientation film having low polarization such as a SiOx oblique vapor-deposition film or may be composed of a stacked film in which a thin film having low polarization and capable of relaxing polarization at an interface with the liquid crystal or an organic complex having an electric conductivity of 1.2×10−8 S/cm or more is stacked on an orientation film.
    • 通过在液晶和取向膜之间的界面处放松电子偏振来改善液晶元件,以减少滞后和后图像,从而提高图像质量,并且实现动态图像的平滑显示,而与液晶材料无关。 液晶元件包括多个基体,每个基体具有液晶取向膜,基体在取向膜一侧彼此相对,并且在其间具有特定的间隙; 和设置在间隙中的液晶; 其中每个取向膜具有能够在与液晶的界面处缓和偏振的性质。 液晶取向膜可以由SiO x倾斜蒸镀膜等具有低偏振度的取向膜构成,也可以由层叠膜构成,其中具有低偏振度的薄膜,并且能够在与 将液晶或电导率为1.2×10 -8 S / cm以上的有机络合物层叠在取向膜上。
    • 8. 发明授权
    • Driving method for liquid crystal device
    • 液晶装置的驱动方法
    • US6072455A
    • 2000-06-06
    • US923403
    • 1997-09-06
    • Eriko MatsuiNobue KataokaAkio Yasuda
    • Eriko MatsuiNobue KataokaAkio Yasuda
    • G02F1/137G02F1/133G02F1/1333G02F1/141G09G3/36
    • G09G3/3629G09G2310/061G09G2310/065G09G2320/0209
    • A driving method for a liquid crystal device includes the steps of providing a first substrate with a unidirectionally aligned data electrode group and a second substrate with a select-electrode group aligned perpendicularly to the data electrode; applying a select pulse to the select electrodes; and providing a pause corresponding to at least one line before a data-pulse sequence is applied to the data-electrode group. The select pulse can be synchronized with the data-pulse sequence by shifting them a half line relative to each other so that the select pulse and the data pulse have opposite polarity in relation to each other. Alternatively, the select pulse is applied while the data pulse sequence is applied to the data electrode group. In the latter case, the time and/or voltage is determined so as to offset the effects of the reversed electric field generated during switching of the liquid crystal.
    • 液晶装置的驱动方法包括以下步骤:提供具有单向排列数据电极组的第一衬底和具有与数据电极垂直排列的选择电极组的第二衬底; 对选择电极施加选择脉冲; 并且在将数据脉冲序列应用于数据电极组之前提供对应于至少一行的暂停。 选择脉冲可以与数据脉冲序列同步,通过将它们相对于彼此移动一半,使得选择脉冲和数据脉冲相对于彼此具有相反的极性。 或者,当将数据脉冲序列施加到数据电极组时施加选择脉冲。 在后一种情况下,确定时间和/或电压以抵消在液晶切换期间产生的反向电场的影响。
    • 10. 发明授权
    • Functional molecular device
    • 功能分子装置
    • US07679080B2
    • 2010-03-16
    • US11571135
    • 2005-06-23
    • Eriko MatsuiNobuyuki MatsuzawaAkio YasudaOliver Harnack
    • Eriko MatsuiNobuyuki MatsuzawaAkio YasudaOliver Harnack
    • H01L51/30
    • B82Y30/00B82Y10/00H01L27/283H01L51/005H01L51/0067H01L51/0512H01L51/0583H01L51/0595Y10S977/731Y10S977/791Y10S977/94Y10S977/943
    • A functional molecular device displaying its functions under the action of an electrical field is provided. A Louis base molecule, exhibiting positive dielectric constant anisotropy or exhibiting dipole moment along the long-axis direction of the Louis base molecule, is arrayed in the form of a pendant on an electrically conductive linear or film-shaped principal-axis molecule of a conjugated system, via a metal ion capable of acting as a Louis acid. The resulting structure is changed in conformation on application of an electrical field to exhibit its function. The electrically conductive linear or film-shaped principal-axis molecule and the Louis base molecule form a complex with the metal ion. On application of the electrical field, the Louis base molecule performs a swinging movement or a seesaw movement to switch the electrical conductivity of the principal-axis molecule. This molecule exhibits electrical characteristics which may be reversed depending on whether or not the molecule has been subjected to electrical field processing. A molecular device having a function equivalent to one of CMOS may be produced from one and the same material.
    • 提供了在电场作用下显示其功能的功能分子装置。 在路易斯碱分子的长轴方向显示出正介电常数各向异性或显示偶极矩的路易斯碱基分子以共轭的导电线性或膜状主轴分子的侧基的形式排列 系统,通过能够作为路易斯酸的金属离子。 所产生的结构在施加电场以表现其功能的结构上改变。 导电线性或膜状主轴分子和路易斯碱分子与金属离子形成络合物。 在施加电场时,路易斯碱分子进行摆动运动或跷跷板运动以切换主轴分子的导电性。 该分子表现出电特性,其可以根据分子是否经受电场加工而反转。 具有与CMOS之一相当的功能的分子器件可以由同一材料制造。