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    • 2. 发明申请
    • LIQUID CRYSTAL OPTICAL DEVICE MANUFACTURING PROCESS
    • 液晶光学器件制造工艺
    • US20090109387A1
    • 2009-04-30
    • US12295692
    • 2007-11-29
    • Akira SakaiHirokatsu MiyataYasufumi AsaoYohei IshidaPhilip J. MartinAvi Bendavid
    • Akira SakaiHirokatsu MiyataYasufumi AsaoYohei IshidaPhilip J. MartinAvi Bendavid
    • G02F1/1337
    • G02F1/133734
    • A manufacturing method of a liquid crystal optical device is provided including an alignment film forming step of forming an alignment film containing silicon oxide on a substrate, and a liquid crystal cell forming step of disposing a pair of substrates at least one of which the alignment film has been formed on, opposite to each other interposing a liquid crystal therebetween. In the alignment film forming step, the substrate surface is bombarded with a plasma beam generated by vacuum arc discharge using a cathode containing silicon, where the substrate is disposed on the course of the plasma beam obliquely with an angle. When the plasma beam bombards the substrate surface, plasma ions in the plasma beam have higher kinetic energy or higher flux density than plasma ions in a plasma beam which, if bombarding the substrate obliquely at the angle, form a film having a column structure.
    • 提供了一种液晶光学器件的制造方法,包括:在基板上形成含有氧化硅的取向膜的取向膜形成工序;以及液晶单元形成工序,配置一对基板,至少其中一个取向膜 彼此相对地形成在其间插入液晶。 在取向膜形成步骤中,使用包含硅的阴极通过真空电弧放电产生的等离子体束来轰击衬底表面,其中衬底以等角度倾斜地设置在角度上。 当等离子体束轰击衬底表面时,等离子体束中的等离子体离子具有比等离子体束中的等离子体离子更高的动能或更高的通量密度,如果以倾斜方式以该角度轰击衬底,则其形成具有柱结构的膜。
    • 4. 发明申请
    • METHOD FOR PRODUCING ORIENTATION FILM
    • 生产定向薄膜的方法
    • US20090324845A1
    • 2009-12-31
    • US12493202
    • 2009-06-28
    • Yohei IshidaHirokatsu MiyataAkira Sakai
    • Yohei IshidaHirokatsu MiyataAkira Sakai
    • C23C14/08
    • C23C14/226C23C14/08C23C14/5833
    • A method for producing an orientation film that causes orientation of a liquid crystal includes a process of vapor depositing an inorganic oxide from an oblique direction on a substrate and forming an obliquely vapor-deposited film composed of a plurality of columnar structural bodies tilted at an angle equal to or greater than 20° from a substrate normal and a process of performing ion beam irradiation onto the plurality of columnar structural bodies constituting the obliquely vapor-deposited film. An ion beam irradiation direction in the ion beam irradiation process is in a plane including a vapor deposition direction of the inorganic oxide and the substrate normal and an angle of the ion beam irradiation direction θIB measured from the direction of the columnar structural bodies is within a range of +50°≦θIB≦+100° (θIB is taken to be positive on a side where the ion beam irradiation direction approaches the substrate normal from the direction of the columnar structural bodies).
    • 用于制造引起液晶取向的取向膜的方法包括在基板上从倾斜方向蒸镀无机氧化物的工序,形成由倾斜角度的多个柱状结构体构成的斜向蒸镀膜 与基板法线等于或大于20°,以及对构成倾斜蒸镀膜的多个柱状结构体进行离子束照射的工序。 离子束照射工序中的离子束照射方向为包括无机氧化物的蒸镀方向和基板法线的平面,从柱状结构体的方向测定的离子束照射方向θIB的角度在 + 50°<=θIB<= + 100°的范围(在离子束照射方向从柱状结构体的方向接近衬底法线的一侧,θIB被取为正)。
    • 6. 发明申请
    • LIQUID CRYSTAL APPARATUS AND METHOD OF PRODUCING THE SAME
    • 液晶装置及其制造方法
    • US20100007831A1
    • 2010-01-14
    • US12496201
    • 2009-07-01
    • Yohei IshidaAkira Sakai
    • Yohei IshidaAkira Sakai
    • G02F1/1337G02F1/13
    • G02F1/1337G02F1/1395G02F2001/133388
    • Provided is a liquid crystal apparatus that includes a display region in which electrodes are disposed in a matrix pattern and a non-display region provided at a periphery of the display region and has a liquid crystal disposed in the display region and non-display region, wherein the liquid crystal disposed in the display region is splay-aligned when a voltage is not applied and bend-aligned when the voltage is applied, the liquid crystal disposed in the non-display region is bend-aligned, an alignment film including an inorganic material is provided in at least one of a pair of substrates, and a thickness of the alignment film provided in the display region is smaller than a thickness of the alignment film provided in the non-display region.
    • 本发明提供一种液晶装置,其具有:电极以矩阵状配置的显示区域和设置在显示区域的周围的非显示区域,并具有配置在显示区域和非显示区域中的液晶, 其中,当施加电压而在施加电压时被弯曲取向的情况下,在显示区域中设置的液晶被显示排列,设置在非显示区域中的液晶是弯曲取向的,包括无机的取向膜 材料设置在一对基板中的至少一个中,并且设置在显示区域中的取向膜的厚度小于设置在非显示区域中的取向膜的厚度。
    • 8. 发明授权
    • Liquid crystal apparatus and method of producing the same
    • 液晶装置及其制造方法
    • US08102491B2
    • 2012-01-24
    • US12496201
    • 2009-07-01
    • Yohei IshidaAkira Sakai
    • Yohei IshidaAkira Sakai
    • G02F1/1337G02F1/139
    • G02F1/1337G02F1/1395G02F2001/133388
    • A liquid crystal apparatus includes a display region in which electrodes are disposed in a matrix pattern, a non-display region provided at a periphery of the display region, and a liquid crystal disposed in the display region and non-display region. The liquid crystal disposed in the display region is splay-aligned when a voltage is not applied and bend-aligned when the voltage is applied. The liquid crystal disposed in the non-display region is bend-aligned. The apparatus also includes an alignment film including an inorganic material provided in at least one of a pair of substrates. The thickness of the alignment film provided in the display region is smaller than the thickness of the alignment film provided in the non-display region.
    • 液晶装置包括电极以矩阵状配置的显示区域,设置在显示区域的周围的非显示区域以及配置在显示区域和非显示区域中的液晶。 当施加电压时施加在显示区域中的液晶被显示对准,并且在施加电压时弯曲取向。 设置在非显示区域中的液晶是弯曲对准的。 该设备还包括一个包括设置在一对基板中的至少一个中的无机材料的取向膜。 设置在显示区域中的取向膜的厚度小于设置在非显示区域中的取向膜的厚度。
    • 10. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US09104037B2
    • 2015-08-11
    • US13387194
    • 2010-03-18
    • Akira Sakai
    • Akira Sakai
    • G02F1/13363G02F1/1335G02F1/1337G02B27/28
    • G02B27/286G02F1/133502G02F1/133634G02F2001/133541G02F2001/133638G02F2001/133742G02F2001/133757G02F2413/02G02F2413/03G02F2413/08
    • The present invention provides a circularly polarizing VA mode liquid crystal display device having an excellent gray scale viewing angle from an intermediate gray scale to a high gray scale at an azimuth angle of 45°. The liquid crystal display device according to the present invention includes: a first polarizer; a first λ/4 plate; liquid crystal cell; a second λ/4 plate; and a second polarizer in this order, wherein when an azimuth of an absorption axis of the second polarizer is defined as 0°, an in-plane slow axis of the second λ/4 plate forms an angle of approximately 45°; an in-plane slow axis of the first λ/4 plate forms an angle of approximately 135°; the absorption axis of the first polarizer forms an angle of approximately 90°, and wherein a display brightness is varied by changing an alignment state of liquid crystal molecules in a liquid crystal layer from a state that the liquid crystal molecules are approximately vertically aligned to a substrate surface, to a state that the liquid crystal molecules are tilted to the substrate surface; and the liquid crystal layer has a domain in which the liquid crystal molecules are tilted in an azimuth angle range of 12.5° to 32.5°, a domain in which the liquid crystal molecules are tilted in an azimuth angle range of 102.5° to 122.5°, and a domain in which the liquid crystal molecules are tilted in an azimuth angle range of 192.5° to 212.5°, and a domain in which the liquid crystal molecules are tilted in an azimuth angle range of 282.5° to 302.5°.
    • 本发明提供一种圆偏振VA模式液晶显示装置,其具有从中间灰度到45度方位角的高灰度级的优异的灰度视角。 根据本发明的液晶显示装置包括:第一偏振器; 第一个λ/ 4板; 液晶电池; 第二个λ/ 4板; 和第二偏振器,其中当第二偏振器的吸收轴的方位角定义为0°时,第二λ/ 4板的面内慢轴形成大约45°的角度; 第一λ/ 4板的平面内慢轴形成约135°的角度; 第一偏振片的吸收轴形成大约90°的角度,其中通过从液晶分子近似垂直对准的状态改变液晶层中的液晶分子的取向状态来改变显示亮度 衬底表面,使得液晶分子倾斜到衬底表面的状态; 并且液晶层具有其中液晶分子在方位角范围为12.5°至32.5°的范围内倾斜的结构域,其中液晶分子在102.5°至122.5°的方位角范围内倾斜, 以及其中液晶分子在192.5°至212.5°的方位角范围内倾斜的域和液晶分子在282.5°至302.5°的方位角范围内倾斜的区域。