Diamino compound and production process for the same
    1.
    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)。

    Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element
    2.
    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
    6.
    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

    Thin film coater and coating method
    7.
    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。

    Method for treating an aligning film for a liquid crystal display
element and a method for preparing a liquid crystal display element
    8.
    发明授权
    Method for treating an aligning film for a liquid crystal display element and a method for preparing a liquid crystal display element 失效
    液晶显示元件用取向膜的处理方法以及液晶显示元件的制造方法

    公开(公告)号:US5798810A

    公开(公告)日:1998-08-25

    申请号:US738492

    申请日:1996-10-28

    IPC分类号: G02F1/1337

    摘要: A method for treating an aligning film for a liquid crystal display element and a method for preparing a liquid crystal display element are proposed. The said treating method comprises rubbing a specified aligning film formed on a transparent substrate with a transparent electrode and thereafter radiating soft X-ray for 2 seconds or more in gas. The said preparing method comprises 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 the said aligning film by a rubbing treatment, assembling the substrates face to face each other via a spacer, and then sealing a liquid crystal material. By a method for treating an aligning film according to the invention, it is possible to lower display unevenness of a liquid crystal display element and to improve an yield of product.

    摘要翻译: 提出了一种用于液晶显示元件的取向膜的处理方法和液晶显示元件的制备方法。 所述处理方法包括用透明电极摩擦形成在透明基板上的指定取向膜,然后在气体中辐射软X射线2秒以上。 所述制备方法包括在一对透明基板上布置透明电极,在所述透明电极上形成由有机高分子化合物构成的取向膜,通过摩擦处理对所述取向膜进行处理,将基板面对每个 另一个通过间隔件,然后密封液晶材料。 通过根据本发明的对准膜的处理方法,可以降低液晶显示元件的显示不均匀性并提高产品的收率。

    Varnish composition and liquid-crystal display element
    9.
    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:

    Method for producing liquid crystal display device
    10.
    发明授权
    Method for producing liquid crystal display device 失效
    液晶显示装置的制造方法

    公开(公告)号:US06623913B2

    公开(公告)日:2003-09-23

    申请号:US09964660

    申请日:2001-09-28

    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。