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    • 7. 发明授权
    • Elliptical polarizer and vertical alignment type liquid crystal display device using the same
    • 椭圆偏振器和使用其的垂直取向型液晶显示装置
    • US08134659B2
    • 2012-03-13
    • US12994190
    • 2009-04-20
    • Yuji TakahashiTetsuya UesakaSatoru Ikeda
    • Yuji TakahashiTetsuya UesakaSatoru Ikeda
    • G02F1/1335G02B5/30
    • G02F1/133634G02B5/3016G02B5/305G02F2001/133637G02F2413/04G02F2413/08G02F2413/12
    • The present invention provides an elliptical polarizer with excellent viewing angle characteristics. The elliptical polarizer comprises at least a first polarizer, a first optically anisotropic layer, a second optically anisotropic layer, and a third optically anisotropic layer, laminated in this order, the first optically anisotropic layer satisfying [1] 50≦Re1≦500, [2] 30≦Rth1≦750, and [3] 0.6≦Rth1/Re1≦1.5, the second optically anisotropic layer satisfying [4] 0≦Re2≦20 and [5] −500≦Rth2≦−30, and the third optically anisotropic layer satisfying [6] 100≦Re3≦180, [7] 50≦Rth3≦600, and [8] 0.5≦Rth3/Re3≦3.5, wherein Re indicates the retardation value in the plane of each optically anisotropic layer and Rth indicates the retardation value in the thickness direction of each optically anisotropic layer.
    • 本发明提供一种具有优异的视角特性的椭圆偏振片。 所述椭圆偏振器至少包括第一光学各向异性层,第二光学各向异性层和第三光学各向异性层,所述第一光学各向异性层依次层叠,所述第一光学各向异性层满足[1] 50≦̸ Re1≦̸ 500, 2] 30≦̸ Rth1≦̸ 750和[3] 0.6≦̸ Rth1 / Re1≦̸ 1.5,满足[4] 0≦̸第二光学各向异性层; Re2≦̸ 20和[5] -500和nlE; Rth2& 光学各向异性层满足[6] 100≦̸ Re3≦̸ 180,[7] 50≦̸ Rth3≦̸ 600和[8] 0.5≦̸ Rth3 / Re3≦̸ 3.5,其中Re表示每个光学各向异性层的平面中的延迟值, Rth表示各光学各向异性层的厚度方向的延迟值。
    • 8. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US07911570B2
    • 2011-03-22
    • US12094295
    • 2006-11-02
    • Tetsuya UesakaSatoru Ikeda
    • Tetsuya UesakaSatoru Ikeda
    • G02F1/1335G02F1/1347
    • G02F1/133632G02F1/133528G02F1/133634G02F2413/105
    • The present invention provides a liquid crystal display device comprising at least: a backlight; a polarizer; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; a second optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a third optically anisotropic layer with negative optical anisotropy; a liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a fourth optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, the second optically anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal orientation structure. The liquid crystal display device provides bright images and is high in contrast and less in viewing angle dependency.
    • 本发明提供一种至少包括:背光源的液晶显示装置; 偏振片 第一光学各向异性层,波长为550nm时具有210至300nm的延迟; 第二光学各向异性层,波长为550nm时具有50-140nm的延迟; 具有负光学各向异性的第三光学各向异性层; 液晶单元包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层; 第五光学各向异性层,波长为550nm时具有50-140nm的延迟; 第一光学各向异性层,波长为550nm时具有210至300nm的延迟; 以及偏振器,从背光依次排列成堆叠状态,第二光学各向异性层至少包括具有固定的向列型混合液晶取向结构的液晶膜。 液晶显示装置提供明亮的图像,对比度高,视角依赖性较小。
    • 9. 发明申请
    • TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE
    • 透明液晶显示装置
    • US20100085522A1
    • 2010-04-08
    • US12514815
    • 2007-10-30
    • Tetsuya UesakaSatoru Ikeda
    • Tetsuya UesakaSatoru Ikeda
    • G02F1/13363
    • G02B5/3033G02F1/13362G02F1/13363G02F2001/133633G02F2001/133738G02F2202/40G02F2413/03G02F2413/08G02F2413/105
    • The present invention provides a transparent liquid crystal display device which is less in display characteristics and viewing angle dependency and can provide bright images and high contrasts. The transparent liquid crystal display device comprises at least: a backlight; a polarizer; a second optical anisotropic layer with a retardation of 50 to 180 nm at a wavelength of 550 nm; a first optical anisotropic layer with a retardation of 20 to 140 nm at a wavelength of 550 nm; a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a third optical anisotropic layer with a retardation of 50 to 200 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, wherein the first optical anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal alignment structure.
    • 本发明提供一种透明液晶显示装置,其显示特性和视角依赖性较小,能够提供明亮的图像和高对比度。 透明液晶显示装置至少包括:背光源; 偏振片 在波长550nm下具有50至180nm的延迟的第二光学各向异性层; 第一光学各向异性层,波长为550nm时具有20至140nm的延迟; 均匀取向的液晶单元,其包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层; 在波长550nm下具有50至200nm的延迟的第三光学各向异性层; 以及偏振器,其从所述背光依次排列成堆叠,其中所述第一光学各向异性层至少包括具有固定向列型混合液晶取向结构的液晶膜。
    • 10. 发明授权
    • Impeller of motor-driven fuel pump
    • 电动燃油泵叶轮
    • US06224323B1
    • 2001-05-01
    • US09269739
    • 1999-04-06
    • Seiji MuraseShinichi FujiiTakayuki UsuiSatoru Ikeda
    • Seiji MuraseShinichi FujiiTakayuki UsuiSatoru Ikeda
    • F01D112
    • F04D29/188F02M37/08
    • Vanes (73) are provided on the outer peripheries of both surfaces of an impeller in a circumferential direction, and vane grooves (72) are provided between the vanes. The vane grooves are formed to be curvilinear as viewed from a radial cross section. Also, connections of the vane grooves (72) with end surfaces (74) of the vanes are formed to be curvilinear as viewed from a circumferential cross section, and portions which extend from a forward side of a direction of rotation toward the connections are formed to be curvilinear. Communication holes (76) are formed forwardly or rearwardly of the vane grooves in the direction of rotation to allow communication between the vane grooves on both surfaces. An opening of the vane grooves is formed into various shapes, for example, straight in a radial direction, curved in the direction of rotation, or inclined in the direction of rotation.
    • 叶轮(73)沿圆周方向设置在叶轮的两个外周的外周,叶片间设置叶片(72)。 从径向横截面观察,叶片槽形成为曲线形。 此外,叶片槽72与叶片的端面(74)的连接形成为从圆周方向观察时的曲线形状,并且形成从旋转方向向连接方向前方延伸的部分 曲线。 通风孔(76)沿着旋转方向在叶片槽的前方或后方形成,以允许两个叶片槽之间的连通。 叶片槽的开口形成为各种形状,例如在径向上呈直线状,在旋转方向上弯曲,或者沿旋转方向倾斜。