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    • 41. 发明申请
    • Electro-optical device, method of driving electro-optical device, and electronic apparatus
    • 电光装置,电光装置的驱动方法以及电子装置
    • US20060077168A1
    • 2006-04-13
    • US11188763
    • 2005-07-26
    • Shin Fujita
    • Shin Fujita
    • G09G3/36
    • G09G3/3677G09G2310/0205G09G2340/0414G09G2340/145
    • There is provided a method of driving an electro-optical device that has a plurality of pixel circuits provided so as to correspond to intersections of a plurality of scanning lines and a plurality of data lines, a first scanning line driving circuit for selecting odd-numbered scanning lines in a predetermined sequence among the plurality of scanning lines, a second scanning line driving circuit for selecting even-numbered scanning lines in the predetermined sequence among the plurality of scanning lines, and a data line driving circuit for supplying data signals corresponding to grayscale levels of pixels to pixel circuits corresponding to the selected scanning line through the data lines. Each of the first and second scanning line driving circuits has a shift register that generates logic signals for selecting the scanning lines in the predetermined sequence through a shift operation of a pulse signal by a clock signal and an output control circuit that narrows the logic signals to pulse widths of enable signals and outputs the logic signals as scanning signals for selecting the scanning lines. The method of driving an electro-optical device includes, in a first mode, supplying enable signals having different phases to the first and second scanning line driving circuits, respectively, so as to alternately select odd-numbered and even-numbered scanning lines, and, in a second mode different from the first mode, supplying enable signals having the same phase to the first and second scanning line driving circuits, respectively, so as to simultaneously select adjacent odd-numbered and even-numbered scanning lines two by two.
    • 提供一种驱动电光装置的方法,该电光装置具有设置成与多条扫描线和多条数据线相交的多个像素电路,第一扫描线驱动电路用于选择奇数 在多条扫描线之间以预定顺序扫描线,用于在多条扫描线中以预定顺序选择偶数扫描线的第二扫描线驱动电路和用于提供与灰度对应的数据信号的数据线驱动电路 与通过数据线选择的扫描线相对应的像素电路的像素电平。 第一扫描线驱动电路和第二扫描线驱动电路中的每一个具有移位寄存器,该移位寄存器通过时钟信号的脉冲信号的移位操作和输出控制电路产生用于以预定顺序选择扫描线的逻辑信号,该输出控制电路使逻辑信号变窄 使能信号的脉冲宽度,并输出逻辑信号作为选择扫描线的扫描信号。 驱动电光器件的方法包括:在第一模式中,分别向第一和第二扫描线驱动电路提供具有不同相位的使能信号,以交替地选择奇数和偶数扫描线,以及 在与第一模式不同的第二模式中,分别向第一和第二扫描线驱动电路提供具有相同相位的使能信号,以便同时选择相邻的奇数和偶数扫描线两个。
    • 42. 发明授权
    • Shift register, data-line driving circuit, and scan-line driving circuit
    • 移位寄存器,数据线驱动电路和扫描线驱动电路
    • US07023415B2
    • 2006-04-04
    • US10406232
    • 2003-04-04
    • Shin FujitaShinsuke Fujikawa
    • Shin FujitaShinsuke Fujikawa
    • G09G3/36
    • G11C19/00
    • The invention provides a shift register that reliably operates even when the driving ability of a clock signal is low. A data-line driving circuit includes a shift-register section, which has serially-connected shift-register unit circuits Ua1 to Uan+2, and a clock-signal control section, which has serially-connected control unit circuits Uc1 to Ucn+2. Each control unit circuit Uc1 to Ucn+2 supplies an X clock-signal XCK and an inverted X clock-signal XCKB to the corresponding shift-register unit circuit Ua1 to Uan+2 in a period of time when either one of signal voltages at nodes A1, A2, . . . at the prior and subsequent stages is active.
    • 本发明提供一种移位寄存器,即使在时钟信号的驱动能力低的情况下也可靠地运行。 数据线驱动电路包括具有串联连接的移位寄存器单元电路Ua 1至Uan + 2的移位寄存器部分和具有串联连接的控制单元电路Uc 1至Ucn的时钟信号控制部分 +2。 在每个控制单元电路Uc 1至Ucn + 2在信号电压中的任何一个的时间段内将X时钟信号XCK和反相X时钟信号XCKB提供给相应的移位寄存器单元电路Ua 1至Uan + 2 在节点A 1,A 2,。 。 。 在之前和之后的阶段是活跃的。
    • 45. 发明授权
    • Test method of electro-optical device, test circuit of electro-optical device, electro-optical device, and electronic equipment
    • 电光装置的测试方法,电光装置的测试电路,电光装置和电子设备
    • US06703856B2
    • 2004-03-09
    • US09994675
    • 2001-11-28
    • Shin Fujita
    • Shin Fujita
    • G01R3100
    • G09G3/006
    • The invention performs an accurate testing in order to determine the presence or absence of a defect in a wiring and electrodes in an electro-optical device. A test method is provided for testing an electro-optical device that includes a capacitor arranged at an intersection of each scanning line and each data line. A test switching element connected between the data line and a reading signal-line is turned on after storing a charge responsive to a data signal in the capacitor so that the voltage responsive to the charge stored in the capacitor is output to the reading signal-line. The timing of switching on the test switching element is set to be different from the timing of a level change of a test clock pulse that defines the operation of a test circuit.
    • 为了确定电光装置中的布线和电极中是否存在缺陷,本发明进行精确的测试。 提供了一种测试方法,用于测试包括布置在每条扫描线和每条数据线交点处的电容器的电光装置。 连接在数据线和读取信号线之间的测试开关元件在响应于电容器中的数据信号的电荷存储之后被导通,使得响应于存储在电容器中的电荷的电压被输出到读取信号线 。 将测试开关元件接通的定时被设定为与定义测试电路的操作的测试时钟脉冲的电平变化的定时不同。