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公开(公告)号：JP2005275360A
公开(公告)日：2005-10-06
申请号：JP2004335554
申请日：2004-11-19
Inventor： NATSUI TORU , KURODA YOSHIHIKO , NISHIKAWA MICHINORI
IPC: G02F1/1337 , C08L79/08
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent for a liquid crystal display device to obtain a liquid crystal alignment layer having excellent burning characteristics even when not only an ITO but a reflective electrode is used, and to provide a liquid crystal display device having a liquid crystal alignment layer obtained from the agent. SOLUTION: The liquid crystal aligning agent comprises 100 parts by weight of a polymer having an amic acid repeating unit and an imide repeating unit, with the proportion of the amic acid repeating unit by 40 to 60% by weight in the entire repeating units, and at least 5 parts by weight of a compound having at least two epoxy groups in the molecule. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 解决问题：为了提供液晶显示装置的液晶取向剂，即使不仅使用ITO而是使用反射电极，所以获得具有优异的燃烧特性的液晶取向层，并且提供液体 具有从该试剂获得的液晶取向层的晶体显示装置。 解决方案：液晶取向剂包括100重量份具有酰胺酸重复单元和酰亚胺重复单元的聚合物，在整个重复的反应中，酰胺酸重复单元的比例为40至60重量％ 和至少5重量份在分子中具有至少两个环氧基的化合物。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2001075101A
公开(公告)日：2001-03-23
申请号：JP24723299
申请日：1999-09-01
Applicant: AGENCY IND SCIENCE TECHN , NEW ENERGY & IND TECHNOLOGY DE , JSR CORP
Inventor： NATSUI TORU , O EIKAN , MAKITA MINORU , TAKEUCHI YASUMASA , KUMANO KOJI , HIRAOKA HIROYUKI
IPC: G02F1/1337 , C08G73/10
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal alignment agent to form a liquid crystal alignment layer, which aligns liquid crystal molecules without decomposition on the layer surface in a direction parallel with the polarization direction of the polarized light pulse laser and independent of the irradiation energy in the case it is formed in a film shape and is irradiated with the polarized light pulse laser. SOLUTION: The liquid crystal alignment agent forms a liquid crystal alignment layer to which alignment controllability over liquid crystal molecules is provided by irradiation with polarized light pulse laser, which has no synchronized projecting and recessing parts caused by the irradiation with the polarized light pulse laser on its surface and which is provided with a function to align the liquid crystal molecules in parallel with the polarization direction of the irradiated polarized light pulse laser. Preferably, it comprises a polyamic acid or a polyimide composed of a tetracarboxylic acid dianhydride and a ring- structured diamine compound.
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3.发明专利
公开(公告)号：JP2005257777A
公开(公告)日：2005-09-22
申请号：JP2004065860
申请日：2004-03-09
Inventor： KURODA YOSHIHIKO , NATSUI TORU
IPC: G02F1/1337 , C08G73/10
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent producing a liquid crystal alignment layer which has a high voltage holding ratio while exhibiting excellent alignment characteristics.
SOLUTION: The liquid crystal aligning agent is composed of a polymer having a polyamic acid bond unit and an imide bond unit, wherein the ratio of the number of the polyamic acid bond unit to the sum of the number of the polyamic acid bond unit and the number of the imide bond unit is 40-80% and the ratio of the number of the imide bond unit derived from 2,3,5-tricarboxy cyclopentylacetic acid dianhydride to the number of the total imide bond unit is 80% or more.
COPYRIGHT: (C)2005,JPO&NCIPIAbstract translation: 解决的问题：提供一种具有高电压保持率的液晶取向膜的液晶取向剂，同时具有优异的取向特性。 解决方案：液晶取向剂由具有聚酰胺酸键单元和酰亚胺键单元的聚合物组成，其中聚酰胺酸键单元数与聚酰胺酸键数之和的比率 单位和酰亚胺键单元数为40-80％，衍生自2,3,5-三羧基环戊基乙酸二酐的酰亚胺键单元数与总酰亚胺键单元数的比例为80％ 更多。 版权所有（C）2005，JPO＆NCIPI
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公开(公告)号：JP2002049039A
公开(公告)日：2002-02-15
申请号：JP2000235617
申请日：2000-08-03
Applicant: JSR CORP
Inventor： NATSUI TORU , MAKITA MINORU , O EIKAN , MATSUKI YASUO
IPC: G02F1/1337 , C08G73/10
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent which aligns liquid crystal molecules perpendicular to the rubbing direction by certain rubbing treatment to generate 0 deg. pretilt angle, which has good baking property and a high voltage holding rate, and/or which aligns liquid crystal molecules parallel to the polarization direction by the aligning treatment by irradiation of polarized pulse laser. SOLUTION: The liquid crystal aligning agent contains at least one kind of polymer selected from a group consisting of polyamic acid obtained by the reaction of tetracarboxylic acid dianhydrides expressed by formula (I) and diamine compounds and consisting of imidized polymers obtained by dehydrating and ring closing the above polyamic acid. In formula (I), R1 and R2 are same or different and each represents a univalent organic group or halogen atom, each of a and b is an integer 0 to 5, and when a plurality of R1 and R2 are present, they may be same or different.
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公开(公告)号：JP2002020487A
公开(公告)日：2002-01-23
申请号：JP2000212835
申请日：2000-07-13
Applicant: JSR CORP
Inventor： NATSUI TORU , MATSUKI YASUO , EHATA SATOSHI , MAKITA MINORU , O EIKAN
IPC: G02F1/1337 , C07C211/49 , C08G73/10
Abstract: PROBLEM TO BE SOLVED: To obtain an alkylfluorenediamine as a novel compound having a long-chain alkyl group, as well as a polyamic acid and an imidated polymer obtained by using the same, and in addition, a liquid crystal oriented film whose orientation direction cuts the rubbing direction at right angles and which has a pretilt angle of 0 deg., good sticking and a high voltage retention, to provide its manufacturing method, and a liquid crystal display element having the liquid crystal oriented film. SOLUTION: The alkylfluorenediamine is represented by formula (A) (wherein (n) is an integer of 6-20), and the polyamic acid and the imidated polymer can be obtained by using this compound as the diamine component. The liquid crystal orienting agent is composed of these polymers, and the liquid crystal oriented film and its manufacturing method are disclosed. The liquid crystal display element has this liquid crystal oriented film.
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Patent Agency Ranking
公开(公告)号：JP2003277484A
公开(公告)日：2003-10-02
申请号：JP2002087224
申请日：2002-03-26
Inventor： NATSUI TORU , OTA YOSHIHISA
IPC: G03F7/033 , C08F2/44 , C08F265/02 , C08G59/42 , G02F1/1337 , G03F7/40
Abstract: PROBLEM TO BE SOLVED: To provide a protective film having also a function as a liquid crystal- aligning film for preparing a liquid crystal display element excellent in a displaying performance enabling spacerless elements at a low cost, and to provide a liquid crystal display element excellent in display performance equipped with the protective film. SOLUTION: The protective film is obtained by applying rubbing treatment to an organic film formed from a specific radiation-sensitive resin composition. COPYRIGHT: (C)2004,JPO
Abstract translation: 要解决的问题：提供一种具有作为液晶取向膜的功能的保护膜，所述液晶取向膜用于制备低成本地具有优异的无间隔元件的显示性能优异的液晶显示元件，并且提供液晶 具有优异的显示性能的显示元件配备有保护膜。 解决方案：通过对由特定的辐射敏感性树脂组合物形成的有机膜进行摩擦处理获得保护膜。 版权所有（C）2004，JPO
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公开(公告)号：JP2002155138A
公开(公告)日：2002-05-28
申请号：JP2000353947
申请日：2000-11-21
Applicant: JSR CORP
Inventor： O EIKAN , NATSUI TORU , MAKITA MINORU
IPC: G02F1/1337 , C08G73/10
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal orientating agent imparting parallel orientating capability to a liquid crystalline molecule by irradiating polarization pulsed laser and having performance to impart a thermally stable pretilting angle thereto, and to provide a polymer for the orientating agent and a manufacturing method of the polymer. SOLUTION: Polyamic acid or polyimide is obtained by reacting a tetracarboxylic acid with at least two kinds of diamine compounds. The liquid crystal orientating agent comprises the polyamic acid or the polyimide, and a liquid crystal orientated film is manufactured by irradiating the polarization pulsed laser to the surface of a coating obtained from the orientating agent.
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公开(公告)号：JP2002049040A
公开(公告)日：2002-02-15
申请号：JP2000235618
申请日：2000-08-03
Applicant: JSR CORP
Inventor： NATSUI TORU , MATSUKI YASUO , O EIKAN , MAKITA MINORU
IPC: G02F1/1337 , C08G73/10
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent to which the ability to align liquid crystal molecules in parallel is added without causing substantial changes in the surface form and which has the performance to generate the effective pretilt angle by proper irradiation conditions of polarized pulse laser. SOLUTION: The liquid crystal aligning agent contains at least one kind of polymer selected from a group consisting of polyamic acid obtained by the reaction of tetracarboxylic acid dianhydrides expressed by formula (I) and diamine compounds and consisting of imidized polymers obtained by dehydrating and ring closing the above polyamic acid. In formula (I), R1 and R2 may be same or different and each represents a univalent organic group or halogen atom, each of a and b is an integer 0 to 4, and when a plurality of R1 and R2 are present, they may be same or different.
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公开(公告)号：JP2000319510A
公开(公告)日：2000-11-21
申请号：JP13365399
申请日：1999-05-14
Applicant: JSR CORP
Inventor： NATSUI TORU , NAKADA SHOICHI , MAKITA MINORU , KIMURA MASAYUKI , BESSHO NOBUO , KIMURA SHINICHI , TAKEUCHI YASUMASA
IPC: G02F1/1337 , C08L79/08
Abstract: PROBLEM TO BE SOLVED: To obtain a liquid crystal alignment agent capable of giving a liquid crystal alignment layer having an angle of pre-tilt produced by irradiation of radioactive rays without any rubbing treatment, by compounding plural kinds of compounds selected from a group comprising a specific polyimide, a polymer having a specified structure and a compound having a specified structure. SOLUTION: This liquid crystal alignment agent contains at least two kinds of compounds selected from the group consisting of (A) a polyimide having a structure of the formula: P1-CH=CH-CO-Q1 (P1 and Q1 are each a divalent organic radical having one or more aromatic rings) in the main chain, (B) a polymer having at least one structure selected from a group of structures of the formulae: P2-CH=CH-CO-Q2 (P2 is a divalent organic radical having one or more aromatic rings; Q2 is a monovalent organic radical having one or more aromatic rings) and P3-CH=CH-CO-Q3 (P3 is a trivalent organic radical having one or more aromatic rings; Q3 is a monovalent organic radical having one or more aromatic rings), and (C) a compound having a structure of the formula: P4-CH=CH-CO-Q4 (P4 and Q4 are each a monovalent organic radical having one or more aromatic rings).
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公开(公告)号：JP2007009031A
公开(公告)日：2007-01-18
申请号：JP2005190464
申请日：2005-06-29
Inventor： SHIMIZU SHIGEO , NATSUI TORU
IPC: C08G73/10 , G02F1/1337
Abstract: PROBLEM TO BE SOLVED: To provide an aligning agent which can give a liquid crystal aligning film that exhibits a high pre-tilt angle, has good uniformity of alignment, and is excellent in baking properties, and a liquid crystal display having this liquid crystal oriented film.
SOLUTION: This aligning agent is composed of a polymer having an amic acid repeating unit and an imide repeating unit, and the amic acid repeating unit accounts for 70-90 mol%, and the imide repeating unit contains at least any one of at least one repeating unit selected from the group consisting of a repeating unit represented by formula (A) and a repeating unit represented by formula (B), and at least one repeating unit selected from the group consisting of a repeating unit represented by formula (C) and a repeating unit represented by formula (D) in the range of 5-50 mol%.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：为了提供能够得到具有高预倾角的液晶取向膜的取向剂，具有良好的取向均匀性，并且烘烤性能优异，并且具有这样的液晶显示器 液晶取向膜。 解决方案：该取向剂由具有酰胺酸重复单元和酰亚胺重复单元的聚合物组成，酰胺酸重复单元占70〜90摩尔％，酰亚胺重复单元含有 选自由式（A）表示的重复单元和式（B）表示的重复单元组成的组中的至少一种重复单元和选自由式（A）表示的重复单元 C）和由式（D）表示的重复单元，为5-50摩尔％。 版权所有（C）2007，JPO＆INPIT
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