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    Display device, image compensation method therefor, and image compensation system therefor
    32.
    发明授权
    Display device, image compensation method therefor, and image compensation system therefor 有权

    公开(公告)号：US11869401B2

    公开(公告)日：2024-01-09

    申请号：US17667745

    申请日：2022-02-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Seokha Hong

    IPC: G09G3/20

    CPC classification number: G09G3/20 ,  G09G2320/0233 ,  G09G2360/16

    Abstract: A display device may include a display panel including a plurality of pixels, a data compensator configured to calculate compensation grayscale data for a measuring grayscale based on capturing luminance data including luminances of the pixels corresponding to one of capturing grayscales included in a plurality of grayscales, measuring luminance data including luminances of a plurality of areas of the display panel corresponding to the measuring grayscale other than the capturing grayscales among the grayscales, and input grayscale data for the measuring grayscale, a timing controller configured to generate output grayscale data based on the input grayscale data and the compensation grayscale data, and a data driver configured to generate a data voltage based on the output grayscale data, and provide the data voltage to the display panel.

    Display device
    34.
    发明授权
    Display device 有权

    公开(公告)号：US11328647B2

    公开(公告)日：2022-05-10

    申请号：US17159203

    申请日：2021-01-27

    Applicant: Samsung Display Co., Ltd.

    Inventor： Seokha Hong ,  Bonghyun You ,  Hye-Sang Park ,  Heechul Hwang

    IPC: G09G3/20

    Abstract: A display device includes a display panel and an optical module disposed under the display panel. The display panel includes a first display region under which the optical module is disposed to overlap the first display region in a plan view, the first display region including transparent regions through which light for an operation of the optical module passes and first pixels having a first pixel structure and disposed between the transparent regions, a second display region in which second pixels having a second pixel structure are disposed, and a third display region disposed between the first display region and the second display region, third pixels having a third pixel structure being disposed in the third display region, only part of the third pixels being driven during a display operation.

    Gate driving circuit and display device including the same
    36.
    发明授权
    Gate driving circuit and display device including the same 有权

    公开(公告)号：US10573244B2

    公开(公告)日：2020-02-25

    申请号：US15335210

    申请日：2016-10-26

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jaehoon Lee ,  Bonghyun You ,  Soo-yeon Lee ,  Seokha Hong

    IPC: G09G3/32 ,  G09G3/3266

    Abstract: A gate driving circuit includes: a plurality of stages, a k-th stage from among the plurality of stages, the k-th stage including: an input circuit to receive a previous carry signal and to pre-charge a first node; a first output circuit to output a k-th gate signal; a second output circuit to output a k-th carry signal; a discharge hold circuit to transmit a clock signal to a second node, and to discharge the second node with a second low voltage; a first pull down circuit to discharge the k-th gate signal with a first low voltage, and to discharge the first node and the k-th carry signal with the second low voltage; and a discharge circuit for discharging the k-th carry signal with the second low voltage in response to the previous carry signal.

    Display device having gate driving circuit and driving method thereof
    37.
    发明授权
    Display device having gate driving circuit and driving method thereof 有权

    公开(公告)号：US10170029B2

    公开(公告)日：2019-01-01

    申请号：US15139196

    申请日：2016-04-26

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Bonghyun You ,  Seokha Hong ,  Soo-yeon Lee

    IPC: G09G3/36 ,  G09G3/20 ,  G11C19/28

    Abstract: A display device includes: a display panel; a voltage generator to output a gate on voltage to a voltage output terminal; a clock generator to receive the gate on voltage to generate at least one clock signal; a gate driving circuit including a plurality of driving stages to output gate signals to gate lines in response to the at least one clock signal, each of the driving stages including at least one transistor to adjust a threshold voltage based on a back bias control voltage; and a signal controller to detect a current variation of the voltage output terminal and including a back bias controller to search for the back bias control voltage to minimize a consumption current level of the voltage output terminal while changing the back bias control voltage from a default voltage level when the detected current variation is greater than a reference level.

    DISPLAY DEVICE HAVING GATE DRIVING CIRCUIT AND DRIVING METHOD THEREOF
    40.
    发明申请
    DISPLAY DEVICE HAVING GATE DRIVING CIRCUIT AND DRIVING METHOD THEREOF 审中-公开
    具有闸门驱动电路的显示装置及其驱动方法

    公开(公告)号：US20170069283A1

    公开(公告)日：2017-03-09

    申请号：US15139196

    申请日：2016-04-26

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Bonghyun You ,  Seokha Hong ,  Soo-yeon Lee

    IPC: G09G3/36

    CPC classification number: G09G3/2022 ,  G09G3/2092 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08 ,  G11C19/184

    Abstract: A display device includes: a display panel; a voltage generator to output a gate on voltage to a voltage output terminal; a clock generator to receive the gate on voltage to generate at least one clock signal; a gate driving circuit including a plurality of driving stages to output gate signals to gate lines in response to the at least one clock signal, each of the driving stages including at least one transistor to adjust a threshold voltage based on a back bias control voltage; and a signal controller to detect a current variation of the voltage output terminal and including a back bias controller to search for the back bias control voltage to minimize a consumption current level of the voltage output terminal while changing the back bias control voltage from a default voltage level when the detected current variation is greater than a reference level.

    Abstract translation: 显示装置包括：显示面板; 电压发生器，用于将电压输入到电压输出端子; 时钟发生器，用于接收栅极导通电压以产生至少一个时钟信号; 栅极驱动电路，其包括多个驱动级，以响应于所述至少一个时钟信号将栅极信号输出到栅极线，每个驱动级包括至少一个晶体管，以基于反向偏置控制电压来调节阈值电压; 以及信号控制器，用于检测电压输出端子的电流变化并且包括反向偏置控制器以搜索反向偏置控制电压，以使电压输出端子的消耗电流电平最小化，同时将偏置控制电压从默认电压 当检测到的电流变化大于参考电平时。

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