Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element
    1.
    发明授权
    Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element 有权
    聚酰胺酸组合物,液晶取向膜和液晶显示元件

    公开(公告)号:US06620339B1

    公开(公告)日:2003-09-16

    申请号:US09581852

    申请日:2000-06-19

    IPC分类号: C09K1912

    摘要: The present invention provides a polyimide alignment film having excellent electrical properties and excellent reliability for use in the field of electronic materials which comprises a polyimide resin produced from a polyamic acid composition comprising a polyamic acid forming a polyimide resin of a low residual voltage and a high voltage holding ratio, and a polyamic acid forming a polyimide resin of a large pre-tilt angle, blended them in the ratio of the former to the latter of 50/50 to 95/5 (weight ratio), a polyamic acid composition for providing such a polyimide aligning film and a liquid crystal display element produced from such an aligning film.

    摘要翻译: 本发明提供了一种聚酰亚胺取向膜,其具有优异的电学性能和可靠性,在电子材料领域中使用的聚酰亚胺树脂包括由聚酰胺酸组合物制成的聚酰亚胺树脂,该聚酰亚胺树脂包含形成低残留电压和高的聚酰亚胺树脂的聚酰胺酸 电压保持率和形成大倾斜角度的聚酰亚胺树脂的聚酰胺酸,以前者与后者的比例以50/50至95/5(重量比)混合,提供用于提供 这种聚酰亚胺取向膜和由这种取向膜制成的液晶显示元件。

    Varnish composition and liquid-crystal display element
    2.
    发明授权
    Varnish composition and liquid-crystal display element 有权
    清漆组成和液晶显示元件

    公开(公告)号:US06685997B1

    公开(公告)日:2004-02-03

    申请号:US09701842

    申请日:2000-12-05

    IPC分类号: C09K1900

    摘要: Provided is a varnish composition which can achieve well-balanced electrical characteristics such as a residual charge, a voltage-holding ratio and image sticking and various characteristics such as a pretilt angle, a coating property and an aligning property, which are desired to a liquid crystal alignment film which is prepared therefrom. The above varnish composition comprises a polymer component comprising a polyamide acid represented by Formula (1), a polyamide represented by Formula (2) or the polyamide represented by Formula (2) and a soluble polyimide represented by Formula (3), and a solvent, wherein the above polymer component contains 1 to 60% by weight of the polyamide represented by Formula (2), and the above varnish composition contains 0.1 to 40% by weight of the polymer component:

    摘要翻译: 提供一种清漆组合物,其可以实现良好平衡的电特性,例如残留电荷,电压保持率和图像粘附以及液体所需的各种特性如预倾角,涂布性能和取向性质 由其制备的晶体取向膜。 上述清漆组合物包含聚合物组分,其包含由式(1)表示的聚酰胺酸,由式(2)表示的聚酰胺或由式(2)表示的聚酰胺和由式(3)表示的可溶性聚酰胺,以及溶剂 ,其中上述聚合物组分含有1至60重量%的由式(2)表示的聚酰胺,并且上述清漆组合物包含0.1至40重量%的聚合物组分:

    Diamino compound and production process for the same
    5.
    发明授权
    Diamino compound and production process for the same 失效
    二氨基化合物和生产工艺相同

    公开(公告)号:US06476266B1

    公开(公告)日:2002-11-05

    申请号:US09471373

    申请日:1999-12-23

    IPC分类号: C07C21100

    CPC分类号: C07C211/50 C07C2601/14

    摘要: Provided is a diamino compound suitable for obtaining a polyimide which can form a liquid crystal alignment film capable of providing a liquid crystal display element, an intermediate therefor and a production process for the same. The above production process is characterized by reacting a cyclohexylbenzene derivative represented by Formula (3): with an acid halide represented by Formula (4): by the Frieldel-Crafts reaction to produce a cyclohexylphenylcarbonyl compound, and reducing the above compound after nitrating, whereby a compound represented by Formula (1) is obtained: (wherein A1 represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; A2 represents a single bond or an alkylene group having 1 to 5 carbon atoms, and one or optional methylene groups which are not adjacent in the group may be substituted with an oxygen atom; X is Br or Cl; m represents an integer of 0 to 3, and n represents an integer of 1 to 5).

    摘要翻译: 提供一种适于获得可形成能够提供液晶显示元件的液晶取向膜的聚酰亚胺的二氨基化合物,其中间体及其制备方法。 上述制备方法的特征在于使式(3)表示的环己基苯衍生物与式(4)表示的酰卤反应:通过Frieldel-Crafts反应制备环己基苯基羰基化合物,硝化后还原上述化合物,由此 得到式(1)表示的化合物:其中,A 1表示氢原子或碳原子数1〜12的烷基,A 2表示单键或碳原子数1〜5的亚烷基, 在基团中不相邻的基团可以被氧原子取代; X是Br或Cl; m表示0〜3的整数,n表示1〜5的整数)。

    Varnish composition and liquid-crystal display element
    6.
    发明授权
    Varnish composition and liquid-crystal display element 有权
    清漆组成和液晶显示元件

    公开(公告)号:US06746730B1

    公开(公告)日:2004-06-08

    申请号:US10019260

    申请日:2001-12-28

    IPC分类号: C09K1900

    摘要: A varnish composition which comprises a solvent and a polymer component comprising a polyamic acid (B) (having residues which are derived from tetracarboxylic acids and a diamine respectively and which are residues having no side chains or residues having a pendant C1-2 alkyl group or are residues having a composition comprising a mixture of these), a polyamic acid (A) (having residues which are derived from tetracarboxylic acids and a diamine respectively and at least either of which is a residue having a pendant C3+ alkyl group or is a residue having a composition containing that residue), and a soluble polyimide, and in which the proportion of the polyamic acid (A) to the soluble polyimide is 1/99 to 99/1 by weight, the, sum of the polyamic acid (A) and the soluble polyimide accounts for 1 to 80 wt. % of the polymer component, the polyamic acid (B) accounts for 99 to 20 wt. % of the polymer component, and the proportion of the polymer component in the whole varnish composition is 0.1 to 40 wt. %. Also provided is a liquid-crystal display element having an alignment film formed from this varnish composition.

    摘要翻译: 一种清漆组合物,其包含溶剂和聚合物组分,所述聚合物组分包含聚酰胺酸(B)(具有衍生自四羧酸的残基和分别为残基且不具有侧链的残基或具有C1-2烷基侧基的残基或 是具有包含这些的混合物的组合物的残基),聚酰胺酸(A)(具有衍生自四羧酸的残基和分别具有二胺的残基,并且其中至少任一个是具有C3 +烷基侧基的残基或残基 具有含有该残基的组合物)和可溶性聚酰亚胺,其中聚酰胺酸(A)与可溶性聚酰亚胺的比例为1/99〜99/1,聚酰胺酸(A) 可溶性聚酰亚胺占1〜80wt。 %的聚合物组分,聚酰胺酸(B)占99至20wt。 %的聚合物组分,并且聚合物组分在整个清漆组合物中的比例为0.1至40重量%。 %。 还提供了具有由该清漆组合物形成的取向膜的液晶显示元件。

    Varnish composition and liquid-crystal display element
    7.
    发明授权
    Varnish composition and liquid-crystal display element 失效
    清漆组成和液晶显示元件

    公开(公告)号:US06949281B1

    公开(公告)日:2005-09-27

    申请号:US10018540

    申请日:2000-06-26

    摘要: An object of the present invention is to provide a varnish composition which can achieve totally and with good balance the improvement in various properties including electrical properties such as residual charge, a voltage holding ratio and image sticking, a pre-tilt angle, coating property, alignment property, and so on, which are desired for a liquid crystal aligning film formed. The varnish composition comprises polymer ingredients containing polyamic acid B represented by formula (1), polyamic acid A represented by formula (2) having a side chain of not less than 3 carbon atoms and N-substituted polyamide represented by formula (3), and a solvent for dissolving the polymer ingredients. The varnish composition contains 0.1 to 40% by weight of the polymer ingredients

    摘要翻译: 本发明的目的是提供一种清漆组合物,其可以完全平衡地获得各种性能的改进,包括电性能如残留电荷,电压保持率和图像粘附,预倾角,涂布性能, 取向性等,这对于形成的液晶取向膜是期望的。 清漆组合物包含含有式(1)表示的聚酰胺酸B,侧链不少于3个碳原子的式(2)表示的聚酰胺酸A和由式(3)表示的N-取代聚酰胺的聚合物成分,以及 用于溶解聚合物成分的溶剂。 清漆组合物含有0.1-40重量%的聚合物成分

    Method for treating an aligning film for a liquid crystal display element
    9.
    发明授权
    Method for treating an aligning film for a liquid crystal display element 失效
    用于处理液晶显示元件的取向膜的方法

    公开(公告)号:US5625475A

    公开(公告)日:1997-04-29

    申请号:US429102

    申请日:1995-04-26

    IPC分类号: G02F1/1337

    摘要: A method for treating an aligning film for a liquid crystal display element wherein an aligning film consisting of an organic high molecular compound formed on a transparent substrate with a transarent electrode is subjected to a robbing treatment and thereafter said aligning film is irradiated with soft X-rays in a gas.A method for preparing a liquid crystal display element comprising the steps of arranging a transparent electrode on a pair of transparent substrates, forming an aligning film consisting of an organic high molecular compound on the said transparent electrode, treating said aligning film by a rubbing treatment, assembling the substrates to face each other with a spacer disposed therebetween, and then applying and sealing to a substrate a liquid crystal material wherein the aligning film is subjected to a robbing treatment and thereafter said aligning film is irradiated with soft X-rays in gas.

    摘要翻译: 一种用于液晶显示元件的取向膜的处理方法,其中将由在透明基板上形成的有机高分子化合物与末端电极组成的取向膜进行抢夺处理,然后用软X射线照射所述取向膜, 气体中的光线 一种制备液晶显示元件的方法,包括以下步骤:在一对透明基板上设置透明电极,在所述透明电极上形成由有机高分子化合物组成的取向膜,通过摩擦处理处理所述取向膜, 将基板组装成彼此面对的间隔件,然后对基板施加并密封其中对准膜进行抢劫处理的液晶材料,然后用气体中的软X射线照射所述取向膜。

    Thin film coater and coating method
    10.
    发明授权
    Thin film coater and coating method 失效
    薄膜涂布机和涂布方法

    公开(公告)号:US06322956B1

    公开(公告)日:2001-11-27

    申请号:US09284750

    申请日:1999-04-20

    IPC分类号: G02F11337

    摘要: Disclosed is a method for producing liquid crystal display devices comprising a step for forming a transparent electrode and a circuit element of semiconductor on the surface of a pair of transparent substrates, and various steps for applying a photoresist, exposing to the light, etching, releasing the photoresist, inspecting the electrodes and circuit elements of semiconductor, forming an insulating film, forming an alignment film, rubbing the alignment film, spreading spacers, applying a sealing agent, fabricating a cell, filling a liquid crystal, pasting a polarizing plate, and connecting a driver IC characterized in that a soft X-ray is irradiated to the substrate in at least one step prior to the rubbing of the alignment films to produce liquid crystal display devices, at a high yield, in which devices number of pixel defect is small.

    摘要翻译: 公开了一种用于制造液晶显示装置的方法,包括在一对透明基板的表面上形成透明电极和半导体的电路元件的步骤,以及用于施加光致抗蚀剂,暴露于光,蚀刻,释放的各种步骤 光致抗蚀剂,检查半导体的电极和电路元件,形成绝缘膜,形成取向膜,摩擦取向膜,铺展间隔物,施加密封剂,制造电池,填充液晶,粘贴偏光板和 连接驱动器IC,其特征在于,在摩擦定向膜之前至少一个步骤中将软X射线照射到基板上,以高产率制造液晶显示装置,其中像素缺陷的数量是 小。