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    • 11. 发明授权
    • Ferroelectric LCD with particular rubbing directions
    • 铁电LCD具有特别的摩擦方向
    • US6091472A
    • 2000-07-18
    • US752923
    • 1996-11-20
    • Nobuyuki ItohMasami Kido
    • Nobuyuki ItohMasami Kido
    • G02F1/137G02F1/1337G02F1/1339G02F1/1343G02F1/1362G02F1/141
    • G02F1/1337G02F1/13394G02F1/134336G02F1/1362G02F1/1416G02F2001/134345
    • For a liquid crystal display apparatus, an orientating film of an electrode substrate including more signal electrodes than scanning electrodes in a predetermined range receives a uniaxial orientation treatment parallelly or almost parallelly to a lengthwise direction of the signal electrodes. Besides, an orientating film of an electrode substrate including the scanning electrodes receives a uniaxial orientation treatment perpendicularly or almost perpendicularly to a lengthwise direction of the scanning electrodes. The electrode substrates are combined so that the directions of the uniaxial orientation treatment of the orientation films become parallel to each other. This enables growth of a smectic layer to be less frequently hindered by differences in level caused by the electrodes. Thus a uniform C2U orientation can be obtained easily. Consequently, the liquid crystal display apparatus realizes a uniform orientational state with no defects and uniform and high-contrast display properties.
    • 对于液晶显示装置,包括比预定范围内的扫描电极多的信号电极的电极基板的取向膜接收与信号电极的长度方向平行或几乎平行的单轴取向处理。 此外,包括扫描电极的电极基板的取向膜与扫描电极的长度方向垂直或几乎垂直地接收单轴取向处理。 电极基板的组合使得取向膜的单轴取向处理的方向相互平行。 这使得近晶层的生长不会被电极引起的水平差异所阻碍。 因此可以容易地获得均匀的C2U取向。 因此,液晶显示装置实现均匀的取向状态,没有缺陷和均匀的高对比度显示特性。
    • 15. 发明授权
    • Voltage control oscillator and quadrature modulator
    • 电压控制振荡器和正交调制器
    • US08134421B2
    • 2012-03-13
    • US12783345
    • 2010-05-19
    • Kenichi HirashikiShinichiro IshizukaNobuyuki Itoh
    • Kenichi HirashikiShinichiro IshizukaNobuyuki Itoh
    • H03B5/12H03B5/18H03B27/00H03C3/00H03C3/22H04B1/26
    • H03B27/00H03B5/1212H03B5/1215H03B5/1225H03B5/1228H03B5/1243H03B5/1296
    • A voltage control oscillator includes: first and second field effect transistors, a drain of one of which is connected to a gate of the other and a drain of the other of which is connected to a gate of the one; third and fourth field effect transistors, a drain of one of which is connected to a gate of the other and a drain of the other of which is connected to a gate of the one; a first inductor connected between the drain of the first field effect transistor and the drain of the second field effect transistor; a second inductor connected between the drain of the third field effect transistor and the drain of the fourth field effect transistor; a third inductor magnetically coupled to the first inductor; a fourth inductor magnetically coupled to the second inductor; a first capacitor that capacitively couples one end of the third inductor and one end of the fourth inductor; and a second capacitor that capacitively couples the other end of the third inductor and the other end of the fourth inductor.
    • 电压控制振荡器包括:第一和第二场效应晶体管,其中一个的漏极连接到另一个的栅极,另一个的漏极连接到该栅极; 第三和第四场效应晶体管,其中一个的漏极连接到另一个的栅极,另一个的漏极连接到该栅极; 连接在第一场效应晶体管的漏极和第二场效应晶体管的漏极之间的第一电感器; 连接在第三场效应晶体管的漏极和第四场效应晶体管的漏极之间的第二电感器; 第三电感器,其磁耦合到所述第一电感器; 磁耦合到第二电感器的第四电感器; 第一电容器,电容耦合第三电感器的一端和第四电感器的一端; 以及电容耦合第三电感器的另一端和第四电感器的另一端的第二电容器。
    • 16. 发明申请
    • Liquid crystal display apparatus
    • 液晶显示装置
    • US20060290855A1
    • 2006-12-28
    • US11515273
    • 2006-08-31
    • Nobuyuki ItohAkira TagawaMasaaki KabeTomoo Furukawa
    • Nobuyuki ItohAkira TagawaMasaaki KabeTomoo Furukawa
    • G02F1/1337
    • G02F1/133753G02F1/133512G02F1/133707G02F1/1393
    • A liquid crystal display apparatus includes: a pair of substrates opposing each other; a liquid crystal layer interposed between the pair of substrates, the liquid crystal layer containing liquid crystal molecules having a negative dielectric anisotropy; at least one electrode provided on each of the pair of substrates, the at least one electrode being used for applying an electric field across the liquid crystal layer; and at least one volume excluding member. One of the at least one volume excluding member is provided on the at least one electrode on at least one of the pair of substrates, the volume excluding member being provided so as to be on at least a portion of one side edge of the at least one electrode. A side of each of the pair of substrates facing the liquid crystal layer is subjected to a vertical alignment treatment. The liquid crystal molecules are tilted in a uniform direction from the at least one side edge of the at least one electrode to an opposite edge when a voltage is applied to the at least one electrode.
    • 液晶显示装置包括:一对彼此相对的基板; 夹在所述一对基板之间的液晶层,所述液晶层包含具有负介电各向异性的液晶分子; 设置在所述一对基板的每一个上的至少一个电极,所述至少一个电极用于跨越所述液晶层施加电场; 和至少一个体积排除构件。 所述至少一个体积排除构件中的一个设置在所述一对基板中的至少一个基板上的所述至少一个电极上,所述体积排除构件设置成至少在所述一个基板的一个侧边缘的至少一部分上 一个电极。 面对液晶层的一对基板中的每一个的一侧进行垂直取向处理。 当向至少一个电极施加电压时,液晶分子在从至少一个电极的至少一个侧边缘到相对边缘的均匀方向上倾斜。
    • 20. 发明授权
    • Voltage controlled oscillator
    • US06411171B1
    • 2002-06-25
    • US09789542
    • 2001-02-22
    • Nobuyuki Itoh
    • Nobuyuki Itoh
    • H03B508
    • A voltage controlled oscillator includes an amplifier having a positive feedback construction, configured to output an oscillation signal of a frequency corresponding to a control voltage supplied to a variable capacitor of a tank circuit having an inductor and the variable capacitor, and a variable current source configured to change an operation current supplied to the amplifier according to the control voltage. When a certain oscillation frequency at which phase noise becomes minimum is set as a reference point, the variable current source increases the operation current supplied to the amplifier as the oscillation frequency becomes lower than the certain oscillation frequency, or decreases the operation current supplied to the amplifier as the oscillation frequency becomes higher than the certain oscillation frequency. With this construction, a voltage controlled oscillator having a stable and sufficiently suppressed phase noise characteristic can be realized irrespective of the oscillation frequency.