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    Sample- and-hold circuit and display device
    12.
    发明授权
    Sample- and-hold circuit and display device 有权

    公开(公告)号：US10515709B2

    公开(公告)日：2019-12-24

    申请号：US15779265

    申请日：2016-10-31

    Applicant: SONY CORPORATION

    Inventor： Masaru Chibashi ,  Ken Kikuchi ,  Takaaki Sugiyama

    IPC: G11C27/02 ,  G09G3/20 ,  G09G3/32

    Abstract: A sample-and-hold circuit of the disclosure includes: a differential pair that includes a first MOS transistor and a second MOS transistor, in which respective source terminals of the first MOS transistor and the second MOS transistor are interconnected to a specified node, and an input signal is input to a gate terminal of the first MOS transistor; a capacitor that is coupled to a gate terminal of the second MOS transistor, and samples and holds the input signal; a switch transistor that has a source terminal coupled to the capacitor and the gate terminal of the second MOS transistor, and causes the capacitor to sample and hold the input signal upon application of a predetermined ON voltage; and an ON-voltage control transistor that couples a gate terminal of the switch transistor to the specified node when causing the input signal to be sampled and held.

    Mounting substrate and electronic apparatus
    13.
    发明授权
    Mounting substrate and electronic apparatus 有权

    公开(公告)号：US10510286B2

    公开(公告)日：2019-12-17

    申请号：US15128438

    申请日：2015-03-17

    Applicant: Sony Corporation

    Inventor： Akiyoshi Aoyagi ,  Ken Kikuchi ,  Katsuhiro Tomoda

    IPC: G09G3/32 ,  G09G3/20 ,  H01L27/32

    Abstract: There is provided a mounting substrate that makes a seam more inconspicuous when a plurality of mounting substrates are tiled, and an electronic apparatus including the mounting substrate.The mounting substrate includes a wiring substrate, a plurality of pixels (11) arranged in a matrix in a pixel region of the wiring substrate, and a plurality of drivers (14A) that are disposed in the pixel region and select the pixels in units of two or more pixels. Each of the pixels includes an optical element that emits or receives light, and a pixel circuit that controls light emission or light reception of the optical element. One or more of the plurality of drivers are assigned to each pixel row or every plurality of pixel rows.

    DISPLAY APPARATUS
    14.
    发明申请
    DISPLAY APPARATUS 审中-公开
    显示设备

    公开(公告)号：US20150339979A1

    公开(公告)日：2015-11-26

    申请号：US14819262

    申请日：2015-08-05

    Applicant: Sony Corporation

    Inventor： Ken Kikuchi ,  Takaaki Sugiyama ,  Takehiro Misonou ,  Genichiro Oga ,  Takahiro Kita

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G3/2014 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2300/0833 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0259 ,  G09G2310/0291 ,  G09G2310/063 ,  G09G2310/066 ,  G09G2320/0223 ,  G09G2320/0252 ,  G09G2330/028

    Abstract: A display apparatus includes pixels arranged in a two-dimensional matrix pattern, each of which including a light-emitting unit and a drive circuit that drives the unit and includes a comparator circuit that compares a control pulse with potential based on signal voltage and outputs predetermined voltage based on the result, a transistor driving the unit in response to the predetermined voltage, and a current source that supplies current to the unit during driving of the transistor, includes a current-source transistor, a capacity unit connected to a gate electrode of the current-source transistor, a differential amplifier that detects a differential between voltage based on reference constant current and reference voltage, and a transistor controlling the voltage based on reference constant current depending on current flowing through the current-source transistor, and controls gate potential of the current-source transistor on the basis of output of the amplifier in synchronization with a scanning signal.

    Abstract translation: 显示装置包括以二维矩阵图案排列的像素，每个像素包括驱动该单元的发光单元和驱动电路，并且包括基于信号电压将控制脉冲与电位进行比较的比较器电路，并输出预定的 基于该结果的电压，响应于预定电压驱动该单元的晶体管，以及在晶体管驱动期间向该单元提供电流的电流源包括电流源晶体管，连接到栅电极的电容单元 电流源晶体管，基于参考恒定电流和参考电压检测电压之间的差分的差分放大器，以及根据流过电流源晶体管的电流，基于参考恒定电流来控制电压的晶体管，并且控制栅极电位 的电流源晶体管基于放大器的输出同步w 以扫描信号。

    DISPLAY APPARATUS
    16.
    发明申请
    DISPLAY APPARATUS 有权
    显示设备

    公开(公告)号：US20140292745A1

    公开(公告)日：2014-10-02

    申请号：US14224124

    申请日：2014-03-25

    Applicant: Sony Corporation

    Inventor： Ken Kikuchi ,  Takaaki Sugiyama ,  Takehiro Misonou ,  Genichiro Oga ,  Takahiro Kita

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G3/2014 ,  G09G3/3233 ,  G09G3/3258 ,  G09G2300/0833 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0259 ,  G09G2310/0291 ,  G09G2310/063 ,  G09G2310/066 ,  G09G2320/0223 ,  G09G2320/0252 ,  G09G2330/028

    Abstract: A display apparatus includes pixels arranged in a two-dimensional matrix pattern, each of which including a light-emitting unit and a drive circuit that drives the unit and includes a comparator circuit that compares a control pulse with potential based on signal voltage and outputs predetermined voltage based on the result, a transistor driving the unit in response to the predetermined voltage, and a current source that supplies current to the unit during driving of the transistor, includes a current-source transistor, a capacity unit connected to a gate electrode of the current-source transistor, a differential amplifier that detects a differential between voltage based on reference constant current and reference voltage, and a transistor controlling the voltage based on reference constant current depending on current flowing through the current-source transistor, and controls gate potential of the current-source transistor on the basis of output of the amplifier in synchronization with a scanning signal.

    Abstract translation: 显示装置包括以二维矩阵图案排列的像素，每个像素包括驱动该单元的发光单元和驱动电路，并且包括基于信号电压将控制脉冲与电位进行比较的比较器电路，并输出预定的 基于该结果的电压，响应于预定电压驱动该单元的晶体管，以及在晶体管驱动期间向该单元提供电流的电流源包括电流源晶体管，连接到栅电极的电容单元 电流源晶体管，基于参考恒定电流和参考电压检测电压之间的差分的差分放大器，以及根据流过电流源晶体管的电流，基于参考恒定电流来控制电压的晶体管，并且控制栅极电位 的电流源晶体管基于放大器的输出同步w 以扫描信号。

    MOUNTING SUBSTRATE AND ELECTRONIC APPARATUS
    17.
    发明申请
    MOUNTING SUBSTRATE AND ELECTRONIC APPARATUS 审中-公开

    公开(公告)号：US20180218668A1

    公开(公告)日：2018-08-02

    申请号：US15128438

    申请日：2015-03-17

    Applicant: Sony Corporation

    Inventor： Akiyoshi Aoyagi ,  Ken Kikuchi ,  Katsuhiro Tomoda

    IPC: G09G3/32

    Abstract: There is provided a mounting substrate that makes a seam more inconspicuous when a plurality of mounting substrates are tiled, and an electronic apparatus including the mounting substrate.The mounting substrate includes a wiring substrate, a plurality of pixels (11) arranged in a matrix in a pixel region of the wiring substrate, and a plurality of drivers (14A) that are disposed in the pixel region and select the pixels in units of two or more pixels. Each of the pixels includes an optical element that emits or receives light, and a pixel circuit that controls light emission or light reception of the optical element. One or more of the plurality of drivers are assigned to each pixel row or every plurality of pixel rows.

    LIGHT EMITTING DEVICE DRIVING CIRCUIT, DISPLAY, AND A/D CONVERSION CIRCUIT
    19.
    发明申请
    LIGHT EMITTING DEVICE DRIVING CIRCUIT, DISPLAY, AND A/D CONVERSION CIRCUIT 审中-公开
    发光装置驱动电路，显示器和A / D转换电路

    公开(公告)号：US20160351130A1

    公开(公告)日：2016-12-01

    申请号：US15116608

    申请日：2015-02-02

    Applicant: SONY CORPORATION

    Inventor： Ken Kikuchi ,  Hisao Sakurai

    IPC: G09G3/3275 ,  H03M1/34

    CPC classification number: G09G3/3275 ,  G09G3/2014 ,  G09G3/3233 ,  G09G2310/066 ,  G09G2320/0233 ,  G09G2330/028 ,  H03M1/1014 ,  H03M1/123 ,  H03M1/18 ,  H03M1/34 ,  H03M1/56

    Abstract: A light emitting device driving circuit according to the present disclosure includes a sawtooth waveform generating unit for generating a sawtooth waveform voltage having a sawtooth waveform voltage change based on at least two reference signals to be input and a comparison unit for comparing an analog signal voltage with the sawtooth waveform voltage. The light emitting device driving circuit drives a light emitting device based on the comparison result of the comparison unit. Accordingly, a comparison operation using a sawtooth waveform voltage having a waveform which is not disturbed is performed.

    Abstract translation: 根据本公开的发光器件驱动电路包括：锯齿波形生成单元，用于基于要输入的至少两个参考信号产生具有锯齿波形电压变化的锯齿波形电压;以及比较单元，用于将模拟信号电压与 锯齿波形电压。 发光器件驱动电路基于比较单元的比较结果来驱动发光器件。 因此，执行使用具有未被干扰的波形的锯齿波形电压的比较操作。

    Display device, picture signal processing method, and program
    20.
    发明授权
    Display device, picture signal processing method, and program 有权
    显示设备，图像信号处理方法和程序

    公开(公告)号：US08947330B2

    公开(公告)日：2015-02-03

    申请号：US14156847

    申请日：2014-01-16

    Applicant: Sony Corporation

    Inventor： Yasuo Inoue ,  Yoshihiro Kosugi ,  Ken Kikuchi ,  Takeya Meguro ,  Hideto Mori ,  Toyo Osumi

    IPC: G09G3/22 ,  G09G3/32 ,  G09G3/20 ,  G09G3/30

    CPC classification number: G09G3/3266 ,  G09G3/2014 ,  G09G3/30 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/043 ,  G09G2320/0626 ,  G09G2330/02 ,  G09G2330/025 ,  G09G2330/04 ,  G09G2360/16

    Abstract: There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes an average luminance calculator (200) for calculating average luminance for a predetermined period of the input picture signal, and also includes a luminous time setter (202) for setting an effective duty depending on the calculated average luminance by the average luminance calculator (200), the effective duty regulating for each one frame a luminous time for which the luminescence element is luminous. The luminous time setter (202) sets the effective duty such that a luminescence amount regulated by a preset reference duty and possible maximum luminance of a picture signal.

    Abstract translation: 提供一种显示装置，包括具有像素的显示单元，每个显示单元包括根据电流量单独变亮的发光元件和用于根据电压信号控制施加到发光元件的电流的像素电路，其中 像素以矩阵图案排列。 显示装置包括用于计算输入图像信号的预定周期的平均亮度的平均亮度计算器（200），并且还包括发光时间设定器（202），用于根据所计算的平均亮度设置有效占空比平均亮度 计算器（200），每一帧的有效负载调节发光元件发光的发光时间。 发光时间设定器（202）设置有效占空比，使得由预设参考占空比调节的发光量和图像信号的可能的最大亮度。

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