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    • 72. 发明申请
    • Display device and method for driving the same
    • 显示装置及其驱动方法
    • US20070210995A1
    • 2007-09-13
    • US11715739
    • 2007-03-08
    • Jun Ogura
    • Jun Ogura
    • G09G3/30
    • G09G3/3283G09G3/325G09G2300/0842G09G2300/0861G09G2310/0218G09G2310/0251G09G2310/027G09G2320/0252
    • A display device includes a pixel array in which a plurality of display pixels are arranged in a two-dimensional manner which is divided into a plurality of column groups composed of the display pixels of a predetermined number of columns, a signal drive circuit which produces a signal current based on display data, and sequentially outputs, in time series via a common terminals, the signal current that corresponds to the display pixels for one row of the pixel array for each of signal currents that correspond to each of the column groups, and a current latch circuit which sequentially captures and holds the signal currents output from the signal drive circuit for one row of the pixel array, generates gradation currents and simultaneously supplies the gradation currents to the plurality of data lines, wherein the pixel array and the current latch circuit are formed on a display panel substrate.
    • 显示装置包括像素阵列,其中以二维方式布置多个显示像素,其被划分为由预定列数的显示像素构成的多个列组,产生一个 基于显示数据的信号电流,并且通过公共端子时间序列顺序地输出与每个列组对应的每个信号电流对应于一行像素阵列的显示像素的信号电流,以及 顺序地捕捉并保持从信号驱动电路输出的一行像素阵列的电流锁存电路产生灰度电流并同时向多条数据线提供灰度电流,其中像素阵列和电流锁存器 电路形成在显示面板基板上。
    • 74. 发明授权
    • Antiferroelectric liquid crystal display device
    • 反铁电液晶显示装置
    • US06208403B1
    • 2001-03-27
    • US09556655
    • 2000-04-24
    • Tomio TanakaTetsushi YoshidaJun OguraSatoru Shimoda
    • Tomio TanakaTetsushi YoshidaJun OguraSatoru Shimoda
    • G02F11335
    • G02F1/141G02F2001/1412
    • An antiferroelectric liquid crystal display device includes: an active matrix type LC cell and an antiferroelectric liquid crystal sealed in the cell. Liquid crystal molecules aligned to one of a first aligning direction and a second aligning direction are aligned in the other aligning direction in accordance with an applied voltage, thus forming a plurality of regions of different alignment states in a range shorter than a wavelength of light in a visible light band, and directions of said directors are changed in accordance with a ratio of regions in a first alignment state to regions in a second alignment state. The liquid crystal molecules may behave along a predetermined cone by a phase transition precursor in accordance with an applied voltage. The liquid crystal molecules may behave so as to be inclined in a direction perpendicular to an electric field, in accordance with an applied voltage.
    • 反铁电液晶显示装置包括:密封在电池中的有源矩阵型LC单元和反铁电液晶。 与第一对准方向和第二对准方向中的一个对准的液晶分子根据施加的电压在另一个排列方向上排列,从而在比光的波长短的范围内形成多个不同取向状态的区域 可见光带和所述导向器的方向根据第一取向状态的区域与第二取向状态的区域的比率而改变。 根据施加的电压,液晶分子可以通过相变前体沿预定锥体表现。 根据施加的电压,液晶分子可以表现为在垂直于电场的方向上倾斜。
    • 75. 发明授权
    • Display drive apparatus, display apparatus and drive method therefor
    • 显示驱动装置,显示装置及其驱动方法
    • US08497854B2
    • 2013-07-30
    • US12079887
    • 2008-03-28
    • Jun Ogura
    • Jun Ogura
    • G09G5/00
    • G09G3/3275G09G2320/0295
    • A display drive apparatus includes a detection voltage applying circuit that applies a predetermined detection voltage to the drive element of the pixel drive circuit, a voltage detecting circuit that detects a voltage value corresponding to a device characteristic unique to the drive element after a predetermined time elapses after the application of the detection voltage to the drive element by the pixel drive circuit, and a gradation designating signal generating circuit that generates a gradation designating signal based on an absolute value of a voltage component according to a gradation value of display data and a value, acquired by multiplying an absolute value of the voltage value detected by the voltage detecting circuit, by a constant greater than 1, and applies the gradation designating signal to the pixel drive circuit, whereby a change in device characteristic.
    • 一种显示驱动装置,具备:对上述像素驱动电路的驱动元件施加规定的检测电压的检测电压施加电路;检测与上述驱动元件特有的装置特性对应的电压值,经过规定时间后, 在通过像素驱动电路向驱动元件施加检测电压之后,根据显示数据的灰度值,根据电压分量的绝对值生成灰度指定信号的灰度指定信号生成电路, 通过将由电压检测电路检测的电压值的绝对值乘以大于1的常数获得的,并且将渐变指定信号施加到像素驱动电路,从而改变器件特性。
    • 76. 发明申请
    • LIGHT EMITTING DEVICE, DRIVE CONTROL METHOD THEREOF, AND ELECTRONIC DEVICE
    • 发光装置,其驱动控制方法和电子装置
    • US20120068986A1
    • 2012-03-22
    • US13238240
    • 2011-09-21
    • Yasushi MizutaniJun Ogura
    • Yasushi MizutaniJun Ogura
    • G06F3/038
    • G09G3/3225G09G2300/0866G09G2320/0233G09G2320/045
    • The light emitting device comprises at least one data line, at least one pixel, a common electrode, a data driver and an ammeter,The pixel comprises a pixel drive circuit and a light emitting element, in which the pixel drive circuit includes a first transistor electrically connected to the data line and one end of the light emitting element, and the other end of the light emitting element is connected to the common electrode.The ammeter measures the current value of a detection current flowing from the data driver to the ammeter via the data line, the first transistor, the light emitting element of the pixel, and the common electrode when the data driver applies to the data line a first set voltage having such a potential that applies a forward bias voltage between both ends of the light emitting element via the first transistor.
    • 该发光器件包括至少一个数据线,至少一个像素,公共电极,数据驱动器和电流表。该像素包括像素驱动电路和发光元件,其中像素驱动电路包括第一晶体管 电连接到数据线和发光元件的一端,并且发光元件的另一端连接到公共电极。 电流表通过数据线,第一晶体管,像素的发光元件和公共电极测量从数据驱动器流向电流表的检测电流的当前值,当数据驱动器向数据线施加第一 具有这样的电位的设定电压,其经由第一晶体管在发光元件的两端之间施加正向偏置电压。
    • 77. 发明授权
    • Display driving apparatus and method for driving display driving apparatus, and display apparatus and mtehod for driving display apparatus
    • 用于驱动显示驱动装置的显示驱动装置和方法,以及用于驱动显示装置的显示装置和方法
    • US07701421B2
    • 2010-04-20
    • US11903984
    • 2007-09-25
    • Jun Ogura
    • Jun Ogura
    • G09G3/30
    • G09G3/3275G09G3/3233G09G2300/0842G09G2300/0866G09G2310/0218G09G2310/0251G09G2310/027G09G2320/0233G09G2320/0261G09G2320/0295G09G2320/043
    • A light-emitting element (OLED) is caused to emit light with preferred brightness and gradation level depending on display data. During a precharge period, a data driver applies a precharge voltage (Vpre) to a capacitor (Cs) via a data line (Ld). After the application of the precharge voltage, a voltage converter reads, after a transient response period (Ttrs), a reference voltage Vref to generate a compensation voltage (a·Vref). A voltage calculator compensates, based on the compensation voltage (a·Vref), an original gradation level voltage Vorg having a value in accordance with display data generated by a gradation level voltage generator. As a result, the voltage calculator generates a compensated gradation level voltage Vpix corresponding to a variation amount of an element characteristic for a transistor Tr13 for driving light emission to apply the compensated gradation level voltage Vpix to a data line Ld.
    • 使发光元件(OLED)根据显示数据以优选的亮度和灰度级发光。 在预充电期间,数据驱动器经由数据线(Ld)向电容器(Cs)施加预充电电压(Vpre)。 在施加预充电电压之后,电压转换器在瞬态响应周期(Ttrs)之后读取参考电压Vref以产生补偿电压(a·Vref)。 电压计算器基于补偿电压(a·Vref)补偿具有与灰度级电压发生器产生的显示数据相对应的值的原始灰度级电压Vorg。 结果,电压计算器产生对应于用于驱动发光的晶体管Tr13的元件特性的变化量的补偿灰度级电压Vpix,以将补偿灰度级电压Vpix施加到数据线Ld。
    • 78. 发明申请
    • Display drive apparatus, display apparatus and drive method therefor
    • 显示驱动装置,显示装置及其驱动方法
    • US20080238953A1
    • 2008-10-02
    • US12079887
    • 2008-03-28
    • Jun Ogura
    • Jun Ogura
    • G09G5/02
    • G09G3/3275G09G2320/0295
    • A display drive apparatus includes a detection voltage applying circuit that applies a predetermined detection voltage to the drive element of the pixel drive circuit, a voltage detecting circuit that detects a voltage value corresponding to a device characteristic unique to the drive element after a predetermined time elapses after the application of the detection voltage to the drive element by the pixel drive circuit, and a gradation designating signal generating circuit that generates a gradation designating signal based on an absolute value of a voltage component according to a gradation value of display data and a value, acquired by multiplying an absolute value of the voltage value detected by the voltage detecting circuit, by a constant greater than 1, and applies the gradation designating signal to the pixel drive circuit, whereby a change in device characteristic.
    • 一种显示驱动装置,具备:对上述像素驱动电路的驱动元件施加规定的检测电压的检测电压施加电路;检测与上述驱动元件特有的装置特性对应的电压值,经过规定时间后, 在通过像素驱动电路向驱动元件施加检测电压之后,根据显示数据的灰度值,根据电压分量的绝对值生成灰度指定信号的灰度指定信号生成电路, 通过将由电压检测电路检测的电压值的绝对值乘以大于1的常数获得的,并且将渐变指定信号施加到像素驱动电路,从而改变器件特性。