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    Display device
    1.
    发明授权
    Display device 有权

    公开(公告)号：US12008948B2

    公开(公告)日：2024-06-11

    申请号：US17739807

    申请日：2022-05-09

    Applicant: Samsung Display Co., LTD.

    Inventor： Soo Yeon Kim ,  Tae Gon Im ,  Jong Jae Lee ,  Dae Gwang Jang

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2330/028

    Abstract: A display device includes pixels; a sensing block generating first sensing data during a first sensing period, and generating second sensing data and third sensing data during a second sensing period; and a timing controller compensating first image data with second image data based on the first sensing data, the second sensing data, and the third sensing data. The sensing block generates the first sensing data corresponding to an initial channel voltage applied to each of sensing channels and at least one auxiliary sensing channel during the first sensing period, generates the second sensing data by sensing characteristic information of the pixels corresponding to an initialization voltage applied to the pixels during the second sensing period, and generates the third sensing data corresponding to a reference voltage applied to the at least one auxiliary sensing channel during the second sensing period.

    Display device and method of driving the same
    2.
    发明授权
    Display device and method of driving the same 有权

    公开(公告)号：US11715440B2

    公开(公告)日：2023-08-01

    申请号：US17541616

    申请日：2021-12-03

    Applicant: Samsung Display Co., Ltd.

    Inventor： Gwangsoo Ahn ,  Jong Jae Lee ,  Taegon Im

    IPC: G09G3/36 ,  G09G5/00

    CPC classification number: G09G5/008 ,  G09G3/36 ,  G09G2330/02

    Abstract: A display device may include a display panel including a gate line, a data line, and a pixel electrically connected to the gate line and the data line, where display panel displays an image based on input image data, a gate driver which outputs a gate signal to the gate line, a data driver which outputs a data voltage to the data line, and a power supply voltage generator which provides a driving voltage to the display panel, the gate driver and the data driver. The power supply voltage generator generates a gate clock signal based on an on-clock signal and an off-clock signal and changes a count value of the on-clock signal or the off-clock signal when the gate clock signal is an abnormal signal.

    Data driving circuit and display device including the same
    3.
    发明授权
    Data driving circuit and display device including the same 有权

    公开(公告)号：US11443699B2

    公开(公告)日：2022-09-13

    申请号：US17467482

    申请日：2021-09-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： Tae Gon Im ,  Jong Jae Lee ,  Jun Pyo Lee ,  Byung Kil Jeon ,  Won Hee Lee

    IPC: G09G3/3275 ,  G09G5/00 ,  G09G3/32

    Abstract: A display device includes a display panel having pixels. A timing controller generates a first control signal and data control signals. Data driving circuits each recover a data signal from a corresponding data control signal of the data control signals in response to the first control signal, generate a data voltage corresponding to the data signal, and provide the data voltage to the display panel. Each of the data driving circuits includes: a setting unit configured to acquire a setting value from the data control signal; an equalizer configured to compensate for distortion of the corresponding data control signal according to the setting value to output compensated data control signal; and a recoverer configured to recover a clock signal from the compensated data control signal and recover the data signal from the compensated data control signal based on the clock signal.

    Display device, and method of operating the display device
    4.
    发明授权
    Display device, and method of operating the display device 有权

    公开(公告)号：US11288997B1

    公开(公告)日：2022-03-29

    申请号：US17354695

    申请日：2021-06-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Taegon Im ,  Gwangsoo Ahn ,  Jong Jae Lee ,  Byungkil Jeon

    IPC: G09G3/20

    Abstract: A display device includes a display panel including a plurality of data lines, and a plurality of pixels coupled to the plurality of data lines, a data driver including a plurality of channels providing data voltages to the plurality of pixels through the plurality of data lines, and a controller configured to control the data driver. The plurality of channels is grouped into first through N-th channel groups, where N is an integer greater than 1. The first through N-th channel groups sequentially initiate first dummy data voltage output operations in a first order from the first channel group to the N-th channel group in a first blank period before an active period, and sequentially finish second dummy data voltage output operations in a second order from the N-th channel group to the first channel group in a second blank period after the active period.

    Display device supporting variable frame mode, and method of operating display device
    7.
    发明授权
    Display device supporting variable frame mode, and method of operating display device 有权

    公开(公告)号：US11138952B2

    公开(公告)日：2021-10-05

    申请号：US16662478

    申请日：2019-10-24

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jong Jae Lee ,  Yoon Soo Kwon ,  Young Ho Oh ,  Ju-Ah Lee

    IPC: G09G5/10

    Abstract: A display device supports a variable frame mode where each frame includes a variable blank period. The display device includes a display panel including a plurality of pixels, a backlight unit configured to generate light, a panel driver configured to drive the display panel, a backlight controller configured to drive the backlight unit, and a blank counter configured to count a time of the variable blank period. The backlight controller controls the backlight unit to increase an intensity of the light generated by the backlight unit as the counted time of the variable blank period increases.

    Overcurrent protective system and overcurrent protective method
    8.
    发明授权
    Overcurrent protective system and overcurrent protective method 有权

    公开(公告)号：US10424917B2

    公开(公告)日：2019-09-24

    申请号：US15135935

    申请日：2016-04-22

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Jun ki Hong ,  Jong Jae Lee ,  Seok Hwan Lee ,  Se Young Heo

    IPC: H02H9/02

    Abstract: An overcurrent protective system includes a current detector which detects a current flowing in an element which is to be protected by the overcurrent protective system, an overcurrent counting unit which selects an overcurrent sensing level corresponding to the element among a plurality of overcurrent sensing levels which are threshold values becoming standards for determining whether the current detected by the current detector is a normal current or an overcurrent and which determines whether the current is the overcurrent or not by comparing the current with the selected overcurrent sensing level, and a controller which decreases an output voltage of a circuit which is to be protected by the overcurrent protective system and includes the element when the current flowing in the element is determined as the overcurrent.

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