公开(公告)号：US20230049523A1

公开(公告)日：2023-02-16

申请号：US17864802

申请日：2022-07-14

Applicant: LG DISPLAY CO., LTD.

Inventor： MooKyoung HONG

IPC: G09G3/3291 ,  G09G3/3233 ,  G09G3/00

Abstract: A display device includes a display panel, a data driving circuit, and a timing controller, wherein the display panel includes a plurality of gate lines to which a scan signal is applied, a plurality of data lines to which a data voltage is applied, a plurality of reference voltage lines to which a reference voltage is applied, and a plurality of subpixels, wherein the data driving circuit senses a voltage on one reference voltage line selected from the plurality of reference voltage lines in a first detecting period and a second detecting period having different voltage detecting paths, and wherein the timing controller controls the data driving circuit, and determining whether or not the reference voltage line is abnormal using a sensing voltage detected from the reference voltage line.

公开(公告)号：US20230037207A1

公开(公告)日：2023-02-02

申请号：US17837194

申请日：2022-06-10

Applicant: LG DISPLAY CO., LTD.

Inventor： MooKyoung HONG

IPC: G09G3/3275 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/20

Abstract: A display device includes a gamma driving power detection circuit for detecting the gamma driving power for driving the data driving circuit and may control digital image data supplied to the data driving circuit according to the gamma driving power measurement detected by the gamma driving power detection circuit, thereby reducing an increase in the temperature of the data driving circuit and enhancing image quality.

公开(公告)号：US20220208045A1

公开(公告)日：2022-06-30

申请号：US17561390

申请日：2021-12-23

Applicant: LG Display Co., Ltd.

Inventor： SangGoo KWON ,  MooKyoung HONG

IPC: G09G3/00 ,  G09G3/20

Abstract: A display device can include a display panel having a plurality of sub pixels, each of the sub pixels including a switching transistor, a driving transistor, a sensing transistor, a storage capacitor, and a light emitting element; and a detector configured to sense a voltage difference between a first electrode of the sensing transistor and a second electrode of the sensing transistor for determining that an anode and a cathode of the light emitting element are shorted, in which a gate electrode of the switching transistor and a gate electrode of the sensing transistor are connected to a same gate line.

公开(公告)号：US20220189356A1

公开(公告)日：2022-06-16

申请号：US17539864

申请日：2021-12-01

Applicant: LG DISPLAY CO., LTD.

Inventor： MooKyoung HONG ,  KwangMo PARK

IPC: G09G3/00

Abstract: A display device and a method for driving the display device are discussed, which can save costs and implement high luminance by adopting a voltage sensing scheme for accurately sensing characteristic values of the light emitting device in the subpixel for compensation while also increasing the available display area.

公开(公告)号：US20230066738A1

公开(公告)日：2023-03-02

申请号：US17883275

申请日：2022-08-08

Applicant: LG DISPLAY CO., LTD.

Inventor： SangHyun PARK ,  MooKyoung HONG

IPC: G09G3/3275 ,  G09G3/3266

Abstract: A display device can include a display panel including a plurality of subpixels configured to display an image; a data driving circuit configured to supply a data signal to the plurality of subpixels; a gate driving circuit configured to supply a gate signal to the plurality of subpixels; and a timing controller configured to receive image data of a subsequent frame of an image of a current frame being displayed on the display panel, and differently control the data driving circuit during a blank period between the current frame and the subsequent frame based on a gray value of at least one edge subpixel among a plurality of edge subpixels in the image data of the subsequent frame. the plurality of edge subpixels are subpixels among the plurality of subpixels that are located adjacent to the gate driving circuit or at an edge of the display panel.

公开(公告)号：US20220199025A1

公开(公告)日：2022-06-23

申请号：US17463955

申请日：2021-09-01

Applicant: LG Display Co., Ltd.

Inventor： MooKyoung HONG ,  Uitaek JEONG

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

Abstract: Embodiments of the present disclosure relate to a display device and driving method thereof. A display device of the present disclosure includes a display panel including a plurality of gate lines, a plurality of data lines, and a plurality of subpixels. The display device further includes a gate driving circuit for supplying scan signals to the plurality of gate lines, a data driving circuit for supplying data voltage to the plurality of data lines, and a timing controller. The timing controller is for controlling the gate driving circuit and the data driving circuit, and controlling a luminance of the plurality of subpixels according to a driving frequency of image data by detecting a variable information which is changed according to the driving frequency of the image data supplied from a host system.

公开(公告)号：US20200212332A1

公开(公告)日：2020-07-02

申请号：US16712368

申请日：2019-12-12

Applicant: LG Display Co., Ltd.

Inventor： Joosung SHIM ,  MooKyoung HONG

IPC: H01L51/50 ,  H01L27/32

Abstract: Disclosed is a light emitting display apparatus which sets black image data, corresponding to a black image displayed after a normal image is displayed, for each pixel in one frame period on the basis of a characteristic of a light emitting display panel.

公开(公告)号：US20180033374A1

公开(公告)日：2018-02-01

申请号：US15657456

申请日：2017-07-24

Applicant: LG Display Co., Ltd.

Inventor： Uitaek JEONG ,  MooKyoung HONG

IPC: G09G3/3258 ,  G09G3/36 ,  G09G3/20

CPC classification number: G09G3/3258 ,  G09G3/2088 ,  G09G3/28 ,  G09G3/3233 ,  G09G3/3406 ,  G09G3/3618 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2370/08

Abstract: An organic light-emitting display device includes: a display panel including: a plurality of pixels configured to display an image, each pixel among the plurality of pixels including a driving transistor and a sensing transistor, a plurality of data lines respectively connected to each driving transistor, and a plurality of sensing signal lines respectively connected to each sensing transistor, a plurality of source drive integrated circuits (ICs) configured to: supply data voltages to the plurality of data lines, and supply sensing voltages to the plurality of sensing signal lines, and a timing controller configured to supply digital video data and a data timing control signal to the source driver ICs, wherein each of the plurality of source driver ICs includes a sensing voltage supply unit configured to generate the sensing voltages.

公开(公告)号：US20240221555A1

公开(公告)日：2024-07-04

申请号：US18386271

申请日：2023-11-02

Applicant: LG DISPLAY CO., LTD.

Inventor： MooKyoung HONG ,  Uitaek JEONG ,  HyeonWoo LEE ,  DongKyu YANG ,  SinKyun PARK ,  JoonYoung KIM

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/32 ,  G09G2310/0297 ,  G09G2310/08

Abstract: Aspects of the present disclosure are directed to a light emitting display apparatus includes a control driver configured to (1) delay a second data enable signal to an (n)th data enable signal by a delay period when a frequency of a first data enable signal is greater than a first reference frequency, and (2) convert input image data into image data, wherein n is a natural number greater than or equal to 2; a data driver configured to output data voltages by using the first data enable signal to the (n)th data enable signal and the image data transmitted from the control driver; and a light emitting display panel provided with pixels and data lines to which the data voltages are supplied.

公开(公告)号：US20230209234A1

公开(公告)日：2023-06-29

申请号：US17989212

申请日：2022-11-17

Applicant: LG Display Co., Ltd.

Inventor： Juwon KIM ,  MooKyoung HONG

IPC: H04R1/02

CPC classification number: H04R1/028 ,  H04R2499/15

Abstract: An apparatus includes a vibration member including a pad portion, a vibration apparatus vibrating the vibration member, a pad connection member connected to the pad portion, and a vibration signal connection member connecting the vibration apparatus to the pad connection member.