DRIVING CIRCUIT AND ELECTRONIC DEVICE FOR DRIVING LIGHT EMITTING UNIT

    公开(公告)号:US20220114952A1

    公开(公告)日:2022-04-14

    申请号:US17474057

    申请日:2021-09-14

    Abstract: A driving circuit for driving a light emitting unit is provided. The driving circuit includes a driving transistor, a switch transistor, an emitting transistor, a first capacitor and a first compensation transistor. The switch transistor is coupled to the driving transistor. The emitting transistor is coupled between the light emitting unit and the driving transistor. The first capacitor is coupled to the driving transistor. The first compensation transistor is coupled to the first capacitor. A first end of the first compensation transistor and a first end of the emitting transistor receive same signal.

    Pixel structure
    12.
    发明授权

    公开(公告)号:US10553152B2

    公开(公告)日:2020-02-04

    申请号:US15244218

    申请日:2016-08-23

    Abstract: A pixel structure including a data transistor, a switching transistor, a driving transistor, a compensation transistor, an illumination transistor, an organic light-emitting diode (OLED) and a first capacitor is provided. The data transistor transmits a data signal to a node according to a scan signal. The switching transistor provides a first reference signal to the node according to a first illumination signal. The driving transistor includes a gate, a source receiving a first operation voltage and a drain. The compensation transistor is coupled between the gate and the drain and receives a control signal. The illumination transistor receives a second illumination signal and is coupled to the drain. The OLED includes an anode coupled to the illumination transistor and a cathode receiving a second operation voltage. The first capacitor is coupled between the node and the gate.

    Electronic device
    13.
    发明授权

    公开(公告)号:US11783761B2

    公开(公告)日:2023-10-10

    申请号:US17727815

    申请日:2022-04-25

    CPC classification number: G09G3/32 G09G2300/0814 G09G2330/04

    Abstract: The disclosure provides an electronic device including a pixel circuit and a protection circuit. The pixel circuit includes a driving transistor. The protection circuit includes a first connection transistor, a first switching transistor, and a logic circuit. The first connection transistor is coupled to the driving transistor. The first switching transistor is coupled to the first connection transistor. The logic circuit is coupled to the first switching transistor. The electronic device of the disclosure may provide a pixel protection function through the protection circuit coupled with the pixel circuit.

    Electronic device and pixel thereof

    公开(公告)号:US11145241B2

    公开(公告)日:2021-10-12

    申请号:US16535329

    申请日:2019-08-08

    Abstract: An electronic device including a pixel is provided. The pixel receives a data signal and includes a driving transistor, an emitting circuit, and a reset circuit. A first source/drain of the driving transistor receives a first operation voltage. The emitting circuit is coupled to the driving transistor. The reset circuit is coupled to the first gate to set the voltage of the first gate. In a reset period, the voltage of the first gate is equal to a first predetermined voltage. In a write period, the voltage of the first gate is equal to a first difference between the first operation voltage and the threshold voltage of the driving transistor. In a display period, the voltage of the first gate is equal to the sum of the first difference and a second difference between the reference voltage and the data signal.

    LIGHT EMITTING APPARATUS AND DISPLAY DEVICE

    公开(公告)号:US20210056900A1

    公开(公告)日:2021-02-25

    申请号:US16941549

    申请日:2020-07-29

    Abstract: A light emitting apparatus and a display device are provided. The light emitting apparatus includes a light emitting unit and a pixel circuit. The pixel circuit is electrically connected to the light emitting unit. The pixel circuit includes a first driving transistor and a second driving transistor. The first driving transistor and the second driving transistor are configured to provide a first driving current and a second driving current to the light emitting unit at the same time, respectively. The first driving transistor includes a first gate terminal. The second driving transistor includes a second gate terminal. The first gate terminal and the second gate terminal are electrically connected to different nodes. The display device includes the light emitting apparatus.

    Display device
    16.
    发明授权

    公开(公告)号:US10790343B2

    公开(公告)日:2020-09-29

    申请号:US16264761

    申请日:2019-02-01

    Abstract: A display device is disclosed, which includes: a first substrate; a first data line disposed on the first substrate; a first electrode disposed on the first substrate; and a first pixel defining layer disposed on the first electrode, wherein the first pixel defining layer exposes a part of the first electrode to define a first light emitting region, wherein, in a normal direction view of the first substrate, the first light emitting region partially overlaps the first data line.

    Display device
    17.
    发明授权

    公开(公告)号:US10665170B2

    公开(公告)日:2020-05-26

    申请号:US16252910

    申请日:2019-01-21

    Abstract: A driving device includes a pixel array, a controller and a driver. The driver has a plurality of driving devices. Each of the driving devices includes a plurality of transistors and at least one capacitor to drive a light emitting device. By controlling the timing scheme of control signals applied to the driving device, the voltage for driving the light emitting device would not be affected by threshold voltages of the transistors.

    Display device
    18.
    发明授权

    公开(公告)号:US10242624B2

    公开(公告)日:2019-03-26

    申请号:US15224736

    申请日:2016-08-01

    Abstract: A driving device includes a pixel array, a controller and a driver. The driver has a plurality of driving devices. Each of the driving devices includes a plurality of transistors and at least one capacitor to drive a light emitting device. By controlling the timing scheme of control signals applied to the driving device, the voltage for driving the light emitting device would not be affected by threshold voltages of the transistors.

    OLED-based display device including a pixel circuit, and driving methods thereof
    19.
    发明授权
    OLED-based display device including a pixel circuit, and driving methods thereof 有权
    包括像素电路的基于OLED的显示装置及其驱动方法

    公开(公告)号:US09202415B2

    公开(公告)日:2015-12-01

    申请号:US13752424

    申请日:2013-01-29

    Abstract: An organic light emitting diode (OLED) based display device including a pixel circuit that includes: an OLED to be connected to a first power terminal, a transistor connected to the OLED, a first capacitor connected to the transistor, a second capacitor connected to the first capacitor and the transistor, a first switch receiving a data signal and a scanning signal and connected to the first capacitor, a second switch connected to the transistor and receiving an enable signal, a third switch connected to the transistor and receiving a compensation signal, and a switching unit configured to transmit one of the enable signal, voltage at a terminal of the first capacitor, a reference signal and the scanning signal to a terminal of the transistor when operated in a conductive state.

    Abstract translation: 一种基于有机发光二极管(OLED)的显示装置,包括像素电路,其包括:要连接到第一电源端子的OLED,连接到OLED的晶体管,连接到晶体管的第一电容器,连接到第二电容器的第二电容器 第一电容器和晶体管,接收数据信号和扫描信号并连接到第一电容器的第一开关,连接到晶体管并接收使能信号的第二开关,连接到晶体管并接收补偿信号的第三开关, 以及开关单元,被配置为当在导通状态下操作时,将所述使能信号,所述第一电容器的端子处的电压,参考信号和所述扫描信号发送到所述晶体管的端子。

    Pixel driving cirucit, pixel driving methods, display panels and electronic devices
    20.
    发明授权
    Pixel driving cirucit, pixel driving methods, display panels and electronic devices 有权
    像素驱动电路,像素驱动方法,显示面板和电子设备

    公开(公告)号:US09076380B2

    公开(公告)日:2015-07-07

    申请号:US13726841

    申请日:2012-12-26

    Abstract: A pixel driving circuit is provided, including first, second, third, fourth, and fifth switching devices and first and second capacitors. The first switching device has a first terminal coupled to a first power source voltage, and a control terminal coupled to a first scan signal line. The second switching device has a first terminal coupled to a second terminal of the first switching device, a second terminal coupled to a first node and an emitting device, and a control terminal coupled to a second node. The third switching device has a first terminal coupled between the first terminal of the second switching device and a second terminal of the first switching device, a second terminal coupled to the second node, and a control terminal coupled to a second scan signal line.

    Abstract translation: 提供了一种像素驱动电路,包括第一,第二,第三,第四和第五开关器件以及第一和第二电容器。 第一开关装置具有耦合到第一电源电压的第一端子和耦合到第一扫描信号线的控制端子。 第二开关装置具有耦合到第一开关装置的第二端子的第一端子,耦合到第一节点和发射装置的第二端子以及耦合到第二节点的控制端子。 第三开关装置具有耦合在第二开关装置的第一端子和第一开关装置的第二端子之间的第一端子,耦合到第二节点的第二端子和耦合到第二扫描信号线的控制端子。

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