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    DISPLAY DEVICE
    1.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240054948A1

    公开(公告)日：2024-02-15

    申请号：US18547680

    申请日：2021-08-23

    Applicant: Samsung Display Co., LTD.

    Inventor： Ji Hye KIM ,  Joon Chul GOH ,  Yu Chol KIM ,  Jin Wook YANG ,  Ja Kyoung JIN

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G2310/08 ,  G09G2310/0262 ,  G09G2310/061 ,  G09G2340/0435

    Abstract: A display device includes: a display panel including pixels having light-emitting elements; a timing control unit for variably changing the driving frame frequency of the display panel according to the input frame frequency of digital video data; and a data driving unit for outputting data voltages according to the digital video data, wherein the display panel operates at a first frame frequency for a first frame period and operates at a second frame frequency, which is lower than the first frame frequency, for a second frame period, the second frame period includes a data addressing period in which a data voltage corresponding to each of the pixels is applied to the pixels, and a blank period in which no data voltage is applied to each of the pixels, and the blank period includes a period of initializing a first electrode of a light-emitting element into an initialization voltage.

    APPARATUS FOR DETECTING AFTERIMAGE CANDIDATE REGION AND APPARATUS INCLUDING THE SAME FOR PREVENTING AFTERIMAGE
    4.
    发明申请
    APPARATUS FOR DETECTING AFTERIMAGE CANDIDATE REGION AND APPARATUS INCLUDING THE SAME FOR PREVENTING AFTERIMAGE 有权
    用于检测候补地区的装置和装置，包括防止后续装置

    公开(公告)号：US20150071550A1

    公开(公告)日：2015-03-12

    申请号：US14204564

    申请日：2014-03-11

    Applicant: Samsung Display Co., Ltd.

    Inventor： Yong Jun JANG ,  Nam Gon CHOI ,  Joon Chul GOH ,  Gi Geun KIM ,  Geun Jeong PARK ,  Cheol Woo PARK ,  Yun Ki BAEK ,  Jeong Hun SO ,  Dong Gyu LEE

    IPC: G06K9/62 ,  G06K9/46

    CPC classification number: G06K9/6212 ,  G06K9/4604 ,  G06T5/008 ,  G06T5/50 ,  G06T2207/10016 ,  G06T2207/20216 ,  G09G5/10 ,  G09G2320/0257

    Abstract: An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n−1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n−1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n−1)-th frame comprises a comparison region and a gradation region.

    Abstract translation: 一种用于检测余像候选区域的装置，包括：比较单元，其将第n帧的灰度数据与第（n-1）帧的积分灰度数据进行比较，并生成第n帧的积分灰度数据，其中 n是自然数; 将第（n-1）帧的积分灰度数据提供给比较单元的存储器，并存储第n帧的积分灰度数据; 以及余像候补区域检测单元，其基于第n帧的积分灰度数据检测残像图像候选区域，其中第n帧的积分灰度数据和（n-1）的积分灰度数据 ）帧包括比较区域和灰度区域。

    LIQUID CRYSTAL DISPLAY DEVICE
    5.
    发明申请
    LIQUID CRYSTAL DISPLAY DEVICE 有权
    液晶显示装置

    公开(公告)号：US20150070608A1

    公开(公告)日：2015-03-12

    申请号：US14209650

    申请日：2014-03-13

    Applicant: Samsung Display Co. Ltd.

    Inventor： Young Soo YOON ,  Joon Chul GOH ,  Jung Taek KIM ,  Kyoung Ho LIM ,  Dae Gwang JANG

    IPC: G02F1/1335

    CPC classification number: G09G3/3655 ,  G02B6/0036 ,  G02B6/0061

    Abstract: A liquid crystal display device includes a liquid crystal panel of a normally black type which receives a plurality of scan signals and a common voltage having a voltage level which periodically varies, and a backlight unit which provides backlight to the liquid crystal panel, where the plurality of scan signals sequentially has a scan-on voltage along a first direction, and the backlight has a luminance which is increased or decreased along the first direction.

    Abstract translation: 一种液晶显示装置，包括：常规黑色液晶面板，其接收多个扫描信号和具有周期性变化的电压电平的公共电压;以及背光单元，其向所述液晶面板提供背光，其中所述多个 的扫描信号依次具有沿着第一方向的扫描电压，并且背光具有沿着第一方向增加或减小的亮度。

    DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    7.
    发明申请
    DISPLAY DEVICE AND METHOD OF DRIVING THE SAME 有权

    公开(公告)号：US20220157243A1

    公开(公告)日：2022-05-19

    申请号：US17356292

    申请日：2021-06-23

    Applicant: Samsung Display Co., Ltd.

    Inventor： Yun Ki BAEK ,  Joon Chul GOH ,  Jung Taek KIM

    IPC: G09G3/3241

    Abstract: A display device according to some embodiments includes pixels divided into pixel rows arranged in a horizontal direction, and including a light emitting element, and a first transistor for applying a drive current to the light emitting element, and a sensing driver configured to receive a sensing value extracted from one or more of the pixels, wherein at least one pixel row of the pixel rows is configured to be driven in one frame including an emission period in which the light emitting element emits light after a data voltage is applied to the pixels, and an active sensing period for sensing a characteristic of the first transistor.

    DISPLAY DEVICE
    8.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20220139301A1

    公开(公告)日：2022-05-05

    申请号：US17447792

    申请日：2021-09-15

    Applicant: Samsung Display Co., Ltd.

    Inventor： Yu Chol KIM ,  Joon Chul GOH ,  Jin Wook YANG ,  Bong Hyun YOU

    IPC: G09G3/32

    Abstract: A display device includes pixels, and first, second, and third gate lines and data lines connected to the pixels. At least one of the pixels includes a light emitting element, a first transistor connected between a first power source and the light emitting element for driving the light emitting element according to a voltage of a first node, a second transistor connected between the first node and a corresponding data line, and driven according to a voltage of a corresponding first gate line, a capacitor connected between the first node and a second node between the first transistor and the light emitting element, a third transistor between the second node and an initialization power line, and driven according to a voltage of a corresponding second gate line, and a fourth transistor connected between the first and second nodes, and driven according to a voltage of a corresponding third gate line.

    PIXEL AND DISPLAY DEVICE INCLUDING THE SAME
    9.
    发明申请
    PIXEL AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20250006097A1

    公开(公告)日：2025-01-02

    申请号：US18611074

    申请日：2024-03-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sang Hyun HEO ,  Joon Chul GOH ,  Oh Jo KWON ,  Dong Soo KIM ,  Hyung Gun MA ,  Jung Hun YI

    IPC: G09G3/20 ,  G09G3/3233 ,  H10K59/131

    Abstract: A pixel may include: a first transistor including a second electrode, a first electrode electrically connected to a first power line, and a gate electrode connected to a first node; a second transistor including a second electrode, a first electrode electrically connected to a data line, and a gate electrode electrically connected to a first scan line; a third transistor connected between the first node and the data line, and including a gate electrode electrically connected to a second scan line; a first capacitor including a first electrode connected to the second electrode of the second transistor, and a second electrode connected to the first node; a second capacitor connected between the first power line and the first node; and a light emitting element between a second power line and the first transistor, and including a second electrode electrically connected to the second power line.

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