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    • 3. 发明授权
    • Liquid crystal display device having an elliptical polarizer with first and second anisotropic layers
    • 具有具有第一和第二各向异性层的椭圆偏振片的液晶显示装置
    • US08179501B2
    • 2012-05-15
    • US12674799
    • 2008-08-18
    • Yuji TakahashiSatoru IkedaTetsuya Uesaka
    • Yuji TakahashiSatoru IkedaTetsuya Uesaka
    • G02F1/1335
    • G02B5/305G02F1/133528G02F1/13363
    • An elliptical polarizer is provided having excellent viewing angle improving effects. The elliptical polarizer includes a polarizer, a first optical anisotropic layer, and a second optical anisotropic layer, laminated in this order. The first optical anisotropic layer satisfies the requirements of 0.8≦NZ1≦1.6 and 120≦Re1≦250 and is disposed so that the slow axis thereof is orthogonal to the absorption axis of the polarizer. The second optical anisotropic layer is a liquid crystal film having a retardation value in the plane of 30 to 150 nm with respect to a 550 nm wavelength light and fixed in a nematic hybrid alignment wherein the average tilt angle of the liquid crystal molecules of a liquid crystalline polymer exhibiting a positive optical uniaxiality, and is disposed so that the aligned direction thereof is parallel to the absorption axis of the first polarizer. The elliptical polarizer is used in a TN type liquid crystal display device so that the second optical anisotropic layer is disposed on the liquid crystal cell side.
    • 提供具有优异的视角改善效果的椭圆偏振器。 椭圆偏振器包括依次层叠的偏振器,第一光学各向异性层和第二光学各向异性层。 第一光学各向异性层满足0.8< NlE; NZ1≦̸ 1.6和120≦̸ Re1&nlE250的要求,并且被设置为使得其慢轴与偏振器的吸收轴正交。 第二光学各向异性层是相对于550nm波长的光具有相对于550nm波长的光的30〜150nm的相位差值的液晶膜,并且以向列混合取向固定,其中液晶的液晶分子的平均倾斜角 表现出正的光学单轴性的结晶聚合物,并且被布置为使得其排列方向平行于第一偏振器的吸收轴。 在TN型液晶显示装置中使用椭圆偏振器,使得第二光学各向异性层设置在液晶单元侧。
    • 4. 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。
    • 6. 发明申请
    • ELLIPTICAL POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE
    • ELLIPTICAL极化器和液晶显示器件
    • US20110116004A1
    • 2011-05-19
    • US12674799
    • 2008-08-18
    • Yuji TakahashiSatoru IkedaTetsuya Uesaka
    • Yuji TakahashiSatoru IkedaTetsuya Uesaka
    • G02F1/1335
    • G02B5/305G02F1/133528G02F1/13363
    • An elliptical polarizer is provided having excellent viewing angle improving effects. The elliptical polarizer includes a polarizer, a first optical anisotropic layer, and a second optical anisotropic layer, laminated in this order. The first optical anisotropic layer satisfies the requirements of 0.8≦NZ1≦1.6 and 120≦Re1≦250 and is disposed so that the slow axis thereof is orthogonal to the absorption axis of the polarizer. The second optical anisotropic layer is a liquid crystal film having a retardation value in the plane of 30 to 150 nm with respect to a 550 nm wavelength light and fixed in a nematic hybrid alignment wherein the average tilt angle of the liquid crystal molecules of a liquid crystalline polymer exhibiting a positive optical uniaxiality, and is disposed so that the aligned direction thereof is parallel to the absorption axis of the first polarizer. The elliptical polarizer is used in a TN type liquid crystal display device so that the second optical anisotropic layer is disposed on the liquid crystal cell side.
    • 提供具有优异的视角改善效果的椭圆偏振器。 椭圆偏振器包括依次层叠的偏振器,第一光学各向异性层和第二光学各向异性层。 第一光学各向异性层满足0.8< NlE; NZ1≦̸ 1.6和120≦̸ Re1&nlE250的要求,并且被设置为使得其慢轴与偏振器的吸收轴正交。 第二光学各向异性层是相对于550nm波长的光具有相对于550nm波长的光的30〜150nm的相位差值的液晶膜,并且以向列混合取向固定,其中液晶的液晶分子的平均倾斜角 表现出正的光学单轴性的结晶聚合物,并且被布置为使得其排列方向平行于第一偏振器的吸收轴。 在TN型液晶显示装置中使用椭圆偏振器,使得第二光学各向异性层设置在液晶单元侧。
    • 9. 发明授权
    • LED lighting device and lighting equipment
    • LED照明装置和照明设备
    • US08988003B2
    • 2015-03-24
    • US13540283
    • 2012-07-02
    • Noriyuki KitamuraYuji Takahashi
    • Noriyuki KitamuraYuji Takahashi
    • H05B37/02H05B33/08
    • H05B33/0815Y02B20/346
    • An LED lighting device including a DC power source circuit, a high frequency generation circuit which includes an inverter circuit having switching elements and a resonance circuit having a series-connected inductor and condenser, in which the switching elements are on-off controlled by a no-load resonance frequency of the resonance circuit, and DC voltage input from the DC power source circuit is converted into a high frequency AC voltage, a rectification smoothing circuit having an input side which is connected between both edges of the condenser or both edges of the inductor; and a light emitting diode series connected to an output side of the rectification smoothing circuit.
    • 一种LED照明装置,包括直流电源电路,高频产生电路,其包括具有开关元件的反相器电路和具有串联连接的电感器和电容器的谐振电路,其中开关元件被开关控制 谐振电路的负载共振频率和从直流电源电路输入的直流电压被转换为高频交流电压,整流平滑电路具有连接在冷凝器的两个边缘或两个边缘的两个边缘之间的输入侧 电感; 以及连接到整流平滑电路的输出侧的发光二极管串联。