Organic light emitting display device

    公开(公告)号:US10755647B2

    公开(公告)日:2020-08-25

    申请号:US16131858

    申请日:2018-09-14

    摘要: An organic light emitting display device includes a driving transistor having one electrode connected with a node, and another electrode connected with an organic light emitting element, a first control transistor for receiving a first driving voltage through one electrode, and having another electrode connected with the node, a second control transistor for receiving a second driving voltage through one electrode, and having another electrode connected with the node, and a sensing transistor having one electrode connected between the another electrode of the driving transistor and the organic light emitting element, wherein the sensing transistor is turned on in a sensing period, the first control transistor is turned off in the sensing period, and the second control transistor is turned on in the sensing period.

    Display device with demultiplexer circuit

    公开(公告)号:US10354582B2

    公开(公告)日:2019-07-16

    申请号:US15164923

    申请日:2016-05-26

    发明人: Cheol Min Kim

    IPC分类号: G09G3/32 G09G3/3225

    摘要: A display device includes a scan driver to supply a scan signal via the scan lines, a data driver to supply data signals via a plurality of source channels, a demux circuit to selectively connect the data lines with the source channels; and a demux controller to control the demux circuit to simultaneously apply the data signals to different data lines between pixels of adjacent columns.

    Display device and driving method thereof

    公开(公告)号:US09704434B2

    公开(公告)日:2017-07-11

    申请号:US14802945

    申请日:2015-07-17

    IPC分类号: G09G5/00 G09G3/3233

    摘要: A display device includes a plurality of pixel rows including a plurality of pixel circuits; a scan driver supplying scan signals to the plurality of pixel rows; and a data driver supplying a data voltage to the plurality of pixel circuits of the plurality of pixel rows, wherein the plurality of pixel circuits each include driving transistors and an organic light emitting diode which emit light depending on a current flowing in the driving transistors, the plurality of pixel rows are divided into a plurality of blocks, each of the blocks including at least one pixel row, and a period for which the data voltage is written in the plurality of pixel circuits in a first block among the plurality of blocks and a period for which a threshold voltage of the driving transistors of the plurality of pixel circuits in a second block temporally close to the first block is compensated partially overlap each other.

    DISPLAY DEVICE AND DRIVING METHOD THEREOF
    9.
    发明申请
    DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    显示装置及其驱动方法

    公开(公告)号:US20160217739A1

    公开(公告)日:2016-07-28

    申请号:US14802945

    申请日:2015-07-17

    IPC分类号: G09G3/32

    摘要: A display device includes a plurality of pixel rows including a plurality of pixel circuits; a scan driver supplying scan signals to the plurality of pixel rows; and a data driver supplying a data voltage to the plurality of pixel circuits of the plurality of pixel rows, wherein the plurality of pixel circuits each include driving transistors and an organic light emitting diode which emit light depending on a current flowing in the driving transistors, the plurality of pixel rows are divided into a plurality of blocks, each of the blocks including at least one pixel row, and a period for which the data voltage is written in the plurality of pixel circuits in a first block among the plurality of blocks and a period for which a threshold voltage of the driving transistors of the plurality of pixel circuits in a second block temporally close to the first block is compensated partially overlap each other.

    摘要翻译: 显示装置包括包括多个像素电路的多个像素行; 扫描驱动器,向多个像素行提供扫描信号; 以及向所述多个像素行的多个像素电路提供数据电压的数据驱动器,其中所述多个像素电路各自包括驱动晶体管和根据在所述驱动晶体管中流动的电流发光的有机发光二极管, 多个像素行被分成多个块,每个块包括至少一个像素行,以及数据电压写入多个块中的第一块中的多个像素电路的周期,以及 在时间上接近第一块的第二块中的多个像素电路的驱动晶体管的阈值电压被部分地重叠的周期。