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    DISPLAY DEVICE AND METHOD OF DRIVING A DISPLAY DEVICE
    1.
    发明申请
    DISPLAY DEVICE AND METHOD OF DRIVING A DISPLAY DEVICE 有权
    显示装置和驱动显示装置的方法

    公开(公告)号：US20160314761A1

    公开(公告)日：2016-10-27

    申请号：US15087648

    申请日：2016-03-31

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Hun-Bae Kim

    IPC: G09G5/10

    CPC classification number: G09G5/10 ,  G09G2320/0276 ,  G09G2320/0673 ,  G09G2330/021

    Abstract: A method of driving a display device includes: calculating a reference luminance corresponding to a light emission intensity and an off-duty ratio corresponding to a non-emission time based on image data; and adjusting at least one selected from a first power voltage and a second power voltage to drive a display panel based on the reference luminance and the off-duty ratio.

    Abstract translation: 驱动显示装置的方法包括：基于图像数据，计算与不发光时间对应的发光强度和关断比对应的基准亮度; 以及调整从第一电源电压和第二电源电压中选择的至少一个，以基于所述基准亮度和所述关断比来驱动显示面板。

    Gamma voltage generator and display device
    2.
    发明授权
    Gamma voltage generator and display device 有权

    公开(公告)号：US11244590B2

    公开(公告)日：2022-02-08

    申请号：US16400749

    申请日：2019-05-01

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hun-Bae Kim ,  Yong-Gu Kang ,  Jihoon Kim

    IPC: G09G3/20 ,  G09G5/10

    Abstract: A gamma voltage generator included in a display device includes a gamma reference voltage storage block configured to store gamma reference voltage values at reference gray levels, an additional offset storage block configured to store additional offset values for the gamma reference voltage values at the reference gray levels, an additional offset setting block configured to store gamma select information representing whether the additional offset values are to be applied or not, a gamma reference voltage calculation block configured to generate final gamma reference voltage values by selectively adding the additional offset values to the gamma reference voltage values depending on the gamma select information, and a gamma reference voltage generation block configured to generate gamma reference voltages corresponding to the final gamma reference voltage values.

    Display device and driving method of the same
    3.
    发明授权
    Display device and driving method of the same 有权

    公开(公告)号：US11094259B2

    公开(公告)日：2021-08-17

    申请号：US16388785

    申请日：2019-04-18

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hun-Bae Kim ,  Hyun-Suk Kang ,  Jihoon Kim

    IPC: G09G3/3258 ,  G09G3/3291

    Abstract: A display device includes a display panel includes a plurality of pixels driven by a first power voltage and a second power voltage. A display panel driving circuit is configured to receive image data from an external device, output a first voltage control signal for generating an analog supply voltage based on an on-pixel ratio (OPR) of the image data, and output a second voltage control signal for generating the first power voltage and the second power voltage. A DC-DC conversion circuit is configured to generate the analog supply voltage based on the first voltage control signal and generate the first power voltage and the second power voltage based on the second voltage control signal.

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