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    • 1. 发明专利
    • Substrate for liquid crystal alignment and manufacturing method thereof
    • 液晶对准基板及其制造方法
    • JP2006330326A
    • 2006-12-07
    • JP2005153462
    • 2005-05-26
    • Tohoku Techno Brains CorpTohoku Univ国立大学法人東北大学株式会社東北テクノブレインズ
    • MIYASHITA TETSUYAKUBOKI TSUTOMUUCHIDA TATSUO
    • G02F1/1337
    • PROBLEM TO BE SOLVED: To provide a substrate for liquid crystal alignment which allows quick spray-bend transition of liquid crystal in an OCB (Optically Compensated Bend) cell which doesn't have a chiral agent added, with a normal driving voltage and is easily manufactured in a normal process, and a manufacturing method thereof.
      SOLUTION: In a substrate 2 for liquid crystal alignment which has an aligning layer 8 provided on a transparent substrate 6 through a layer 7 of an electric driving means or a layer of an optical element just under the layer 7, a projection 9 is disposed so as to have the bottom fixed to at least one of the transparent substrate, the electric driving means, the optical element, and the aligning layer and have the top projected above the aligning layer, and a projection area 10 which is brought into contact with a half circular side of the disposition area of the projection 8 and promotes nucleus formation of the spray-bend transition of liquid crystal is provided. This substrate 2 is manufactured by a method of successive alignment processing in three mutually different directions D1, D2, and D3, of the aligning layer 8 after disposition of the projection 9.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于液晶取向的基板,其允许在不具有手性试剂添加的OCB(光学补偿弯曲)单元中的液晶的快速喷射弯曲转变,具有正常的驱动电压 并且容易在正常工艺中制造,及其制造方法。 解决方案:在液晶取向用基板2中,具有通过电驱动装置的层7或刚好在层7下方的光学元件层设置在透明基板6上的取向层8,突起9 被配置为将底部固定到透明基板,电驱动装置,光学元件和对准层中的至少一个上,并且顶部突出在对准层上方,并且投影区域10被引入 与突起8的配置区域的半圆形侧面接触,并且提供液晶的喷射 - 弯曲转变的核形成。 该基板2通过在配置突起9之后的对准层8的三个相互不同的方向D1,D2和D3的连续对准处理的方法制造。版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2008164946A
    • 2008-07-17
    • JP2006354518
    • 2006-12-28
    • Alps Electric Co LtdTohoku Univアルプス電気株式会社国立大学法人東北大学
    • UCHIDA TATSUOISHINABE TAKAHIROMIYASHITA TETSUYAKUBOKI TSUTOMUIIDA YOHEIYAMAGUCHI MASAHIKOKIKUCHI KOJI
    • G02F1/1337G02F1/139
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device having a region where the probability of occurrence of defects by rubbing is low and splay-bend transition is induced.
      SOLUTION: A microstructure 31 is formed on a CF substrate 4, the microstructure where two minute regions having twist structures with different twist arrangements of liquid crystal molecules from each other are formed when a voltage is applied. The microstructure 31 induces formation of alignment in at least two directions by a single rubbing process. That is, the following two regions are formed: a region where the alignment is formed by the flow of rubbing bristle along a rubbing direction (A); and a region 32 where the alignment is formed by the flow of rubbing bristle in a direction (B) different from the rubbing direction of the micro structure 31 due to deviation of the rubbing direction by the microstructure 31. In the region 32, two minute regions are formed having twist structures with different twist alignments of liquid crystal molecules when a voltage is applied.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 解决的问题:提供一种液晶显示装置,其具有通过摩擦发生缺陷的可能性低的区域,并且产生喷射弯曲转变。 解决方案:当施加电压时,在CF基板4上形成微结构31,其中形成具有彼此具有不同的液晶分子扭转布置的扭转结构的两个微小区域的微结构。 微结构31通过单次摩擦处理在至少两个方向上引起对准的形成。 也就是说,形成以下两个区域:沿着摩擦方向(A)通过摩擦刷毛的流动形成对准的区域; 以及区域32,其中由于微结构31的摩擦方向的偏差,沿着与微结构31的摩擦方向不同的方向(B),摩擦刷毛的流动形成对准。在区域32中,两分钟 当施加电压时,形成具有不同的液晶分子的扭转对准的扭曲结构的区域。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Liquid crystal display device
    • 液晶显示装置
    • JP2008175837A
    • 2008-07-31
    • JP2007006496
    • 2007-01-16
    • Alps Electric Co LtdTohoku Univアルプス電気株式会社国立大学法人東北大学
    • UCHIDA TATSUOISHINABE TAKAHIROMIYASHITA TETSUYAKUBOKI TSUTOMUYAMAGUCHI MASAHIKOIIDA YOHEIKIKUCHI KOJI
    • G02F1/1337G02F1/139
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of efficiently inducing a splay-bend transition.
      SOLUTION: A plurality of minute structural bodies 31 are formed on a TFT substrate 3. The minute structural body 31 includes a side (a) along a rubbing direction X in which rubbing treatment is performed first and a side (b) along a rubbing direction Y in which rubbing treatment is performed second and an angle θ1 formed by the rubbing directions X and Y is specified to be an angle (a vertex angle) θ2 formed between the sides (a) and (b). Two minute regions having twisted structures having twisted arrangements of liquid crystal molecules different from each other when voltage is applied can be formed by performing rubbing treatment using the minute structural bodies 31. The splay-bend transition can be induced by forming the two minute regions.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够有效地引起喷射弯曲转变的液晶显示装置。 解决方案:在TFT基板3上形成有多个微小的结构体31.微小结构体31包括沿着摩擦方向X的侧面(a),其中首先执行摩擦处理和沿着侧面(b) 将摩擦方向X和Y形成的角度θ1指定为在侧面(a)和(b)之间形成的角度(顶角)θ2。 通过使用微小结构体31进行摩擦处理,可以形成具有扭曲结构的具有扭曲结构的扭转结构的两分钟区域,该扭曲结构在施加电压时彼此不同的液晶分子。通过形成两分钟区域,可以形成喷射弯曲转变。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Liquid crystal display device and manufacturing method therefor
    • 液晶显示装置及其制造方法
    • JP2007178835A
    • 2007-07-12
    • JP2005378753
    • 2005-12-28
    • Alps Electric Co LtdTohoku Univアルプス電気株式会社国立大学法人東北大学
    • UCHIDA TATSUOISHINABE TAKAHIROMIYASHITA TETSUYAKUBOKI TSUTOMUKANO MITSURUHAYASHI YUZOIIDA YOHEIOIZUMI MITSUO
    • G02F1/1343G02F1/1337G02F1/1368
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of quickly and stably aligning liquid crystal molecules in a liquid crystal layer, from a spray state to a bend state even without having to apply a high voltage, and to provide a manufacturing method of the liquid crystal display device. SOLUTION: An alignment film of the liquid crystal display device includes a first region which is uniformly subjected to a first alignment in a first direction; and a second region which is subjected to a second alignment in a second direction substantially orthogonal to the first direction and in a third direction that is reverse to the first direction, with respect to fine regions in the alignment film after the first alignment. In this case, the first region may be an optically aligned region, or the second region may be an optically aligned region. When optical alignment is to be carried out, the region to be given optical alignment is, for example, selectively irradiated with ultraviolet rays. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决问题:提供一种即使不需要施加高电压,也能够使液晶层中的液晶分子从喷射状态到弯曲状态快速稳定地取向的液晶显示装置,并且提供 液晶显示装置的制造方法。 解决方案:液晶显示装置的取向膜包括均匀地沿第一方向进行第一对准的第一区域; 以及第二区域,其在与第一方向大致正交的第二方向和与第一方向相反的第三方向上相对于第一对准后的取向膜中的微细区域进行第二取向。 在这种情况下,第一区域可以是光学对准区域,或者第二区域可以是光学对准区域。 当要进行光学对准时,例如,要给予光学取向的区域选择性地用紫外线照射。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Liquid crystal display device and manufacturing method thereof
    • 液晶显示装置及其制造方法
    • JP2007171680A
    • 2007-07-05
    • JP2005370695
    • 2005-12-22
    • Alps Electric Co LtdTohoku Univアルプス電気株式会社国立大学法人東北大学
    • UCHIDA TATSUOISHINABE TAKAHIROMIYASHITA TETSUYAKUBOKI TSUTOMUKANO MITSURUOIZUMI MITSUOIIDA YOHEIHAYASHI YUZO
    • G02F1/1337G02F1/139
    • PROBLEM TO BE SOLVED: To provide a liquid crystal display device which enables alignment of liquid crystal molecules in a liquid crystal layer to be quickly and stably shifted from a splay state to a bend state without application of a high voltage and which can stably generate such shifting as above.
      SOLUTION: The entire surface of an alignment film on the substrate surface of a substrate 3 is subjected to first alignment treatment (treatment for overall surface uniformity) such as rubbing in a direction (a). Next, regions narrower than the region subjected to the first alignment processing in the direction (a) are subjected to second alignment processing in a second direction (b) forming about 90° to the direction (a) and a third direction (c) opposite to the direction (a). As a result, minute regions 31 subjected to alignment processing in directions (a) to (c) are present in intersections between directions (b) and (c). Respective minute regions 31 are formed within light shielding parts.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决问题:提供一种液晶显示装置,其能够使液晶层中的液晶分子的取向迅速且稳定地从张开状态转变到弯曲状态而不施加高电压,并且可以 稳定地产生如上所述的移位。 解决方案:对基板3的基板表面上的取向膜的整个表面进行如(a)方向的摩擦的第一取向处理(整体表面均匀性的处理)。 接下来,沿着方向(a)进行第一对准处理的区域窄的区域在与第一方向(a)相反的方向(a)和第三方向(c)形成大约90°的第二方向(b)上进行第二对准处理 到(a)的方向。 结果,在方向(a)至(c)中经过对准处理的微小区域31存在于方向(b)和(c)之间的交点处。 各个微小区域31形成在遮光部件内。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Manufacturing method of liquid crystal display device, and liquid crystal display device obtained thereby
    • 液晶显示装置的制造方法及其获得的液晶显示装置
    • JP2007178834A
    • 2007-07-12
    • JP2005378747
    • 2005-12-28
    • Alps Electric Co LtdTohoku Univアルプス電気株式会社国立大学法人東北大学
    • UCHIDA TATSUOMIYASHITA TETSUYAKUBOKI TSUTOMUISHINABE TAKAHIROKANO MITSURUHAYASHI YUZOIIDA YOHEIOIZUMI MITSUO
    • G02F1/1337
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of liquid crystal display device capable of quickly and stably aligning liquid crystal molecules in a liquid crystal layer from a spray state to a bend state, even without applying high voltage, and to provide a liquid crystal display device obtained by the manufacturing method. SOLUTION: Alignment film surfaces of a substrate 3 and a substrate 4 are subjected to rubbing uniformly over the whole surfaces in a first direction. Subsequently, the surface of the substrate 4 is subjected to rubbing in the direction (a second direction) of three o'clock to nine o'clock, with respect to the direction right in front of a panel by using a rubbing roller corresponding to the space and the pitch between pixels. The rubbing roller 51 is formed in a large number of level differences on a circumference of a metal roller base 52 with a prescribed pitch, and thereafter, rubbing fibers 53 are subjected to electrostatic flocking, as rubbing fibers (group). COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:为了提供一种液晶显示装置的制造方法,即使在不施加高电压的情况下,也能够使液晶层中的液晶分子从喷射状态到弯曲状态快速稳定地取向,并且提供 通过该制造方法得到的液晶显示装置。 解决方案:基板3和基板4的对准膜表面在第一方向上在整个表面上均匀地摩擦。 随后,通过使用对应于面板的摩擦辊,使基板4的表面相对于面板前方的方向在三点钟至九点的方向(第二方向)上摩擦 空间和像素之间的间距。 摩擦辊51以规定的间距在金属辊基座52的圆周上形成大量的水平差,然后将摩擦纤维53作为摩擦纤维(组)进行静电植绒。 版权所有(C)2007,JPO&INPIT