公开(公告)号：US11036339B2

公开(公告)日：2021-06-15

申请号：US16038890

申请日：2018-07-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Taegung Kim ,  Kyungrok Kim ,  Juyoung Noh

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/3275 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3291

Abstract: A touch sensor-integrated display device includes a display panel with a pixel array divided into a plurality of touch blocks, each touch block having a plurality of pixels for displaying an input image and at least one touch pixel for sensing touch input; a data drive circuit that applies a charging voltage to the touch pixel in each touch block through a touch sensing line and then senses an electrical charge discharged from the touch pixel and outputs the sensing result as a touch sensing value, wherein a signal line commonly connected to the pixels and the touch pixel in each touch block is used as the touch sensing line; and a timing controller that detects touch input based on the touch sensing value.

公开(公告)号：US09941018B2

公开(公告)日：2018-04-10

申请号：US14857411

申请日：2015-09-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Seokhyun Hong ,  Chulwon Lee ,  Juyoung Noh ,  Osung Do

IPC: G09G5/00 ,  G11C19/00 ,  G09G3/20 ,  G11C19/28 ,  G09G3/3266 ,  G09G3/36

CPC classification number: G11C19/00 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3674 ,  G09G2310/0218 ,  G09G2310/0267 ,  G09G2310/0286 ,  G11C19/287

Abstract: A gate driving circuit and a display device using the same are discussed. The gate driving circuit according to an embodiment includes a first shift register configured to sequentially shift a gate start pulse in response to a gate shift clock and output a gate pulse shifted on a per block basis, each block including a plurality of gate lines, a second shift register configured to sequentially shift the gate start pulse in response to the gate shift clock and output a gate pulse shifted on a per gate line basis, and a controller configured to supply the gate shift clock to one of the first and second shift registers.

公开(公告)号：US20190206324A1

公开(公告)日：2019-07-04

申请号：US16223039

申请日：2018-12-17

Applicant: LG Display Co., Ltd.

Inventor： Taegung Kim ,  Kyung-Rok Kim ,  Juyoung Noh

IPC: G09G3/3241 ,  G09G3/32

CPC classification number: G09G3/3241 ,  G09G3/32 ,  G09G2310/027 ,  G09G2310/061 ,  G09G2310/08

Abstract: Disclosed is a light emitting display apparatus. The light emitting display apparatus includes a plurality of pixels provided in a display area of a substrate and connected to a data line, a clock line, and a pixel driving power line. The plurality of pixels each include a pixel driving chip connected to the data line, the clock line, and the pixel driving power line to sequentially output a driving current through a plurality of output terminals thereof and a plurality of light emitting devices respectively connected to the plurality of output terminals. Accordingly, a gate driving circuit and a gate line connected to the gate driving circuit are removed from one end of a display panel and omitted, thereby minimizing the number of pad parts disposed in the display panel.

公开(公告)号：US10319286B2

公开(公告)日：2019-06-11

申请号：US15783847

申请日：2017-10-13

Applicant: LG Display Co., Ltd.

Inventor： Osung Do ,  Juyoung Noh

IPC: G09G5/00 ,  G09G3/20 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

Abstract: The display device according to an embodiment of the present disclosure comprises a display panel; a source drive IC configured to provide data voltages to the pixels, convert signals indicating driving characteristics of the pixels into sensing data and output the sensing data; and a timing controller configured to transmit a control data packet and a video data packet to the source drive IC through first and second wire pairs and receive the sensing data from the source drive IC through the second wire pair, wherein the timing controller is configured to load lock information indicating whether a clock extracted from a signal provided from the source drive IC through the second wire pair is locked or not into the control data packet and provide the control data packet to the source drive IC through the first wire pair, when receiving data from the source drive IC.

公开(公告)号：US09898962B2

公开(公告)日：2018-02-20

申请号：US14962143

申请日：2015-12-08

Applicant: LG Display Co., Ltd.

Inventor： JunHyeok Yang ,  ChulWon Lee ,  Juyoung Noh

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/043

Abstract: An organic light emitting display device is disclosed, which may increase sensing accuracy by solving a problem that a difference between sensing data output from sensing units is generated due to a difference in sensing capability between the sensing units. The organic light emitting display device includes a display panel including data lines, scan lines, sensing lines, and pixels connected to the data lines, the scan lines and the sensing lines; a sensing data output unit outputting first sensing data by sensing currents flowing to the sensing lines; a scan driver supplying scan signals to the scan lines; and a source drive integrated circuit (IC) including a data voltage supply unit supplying data voltages to the data lines and a switching unit connecting the sensing lines to the sensing data output unit in a predetermined order.

公开(公告)号：US20240210758A1

公开(公告)日：2024-06-27

申请号：US18520302

申请日：2023-11-27

Applicant: LG Display Co., Ltd.

Inventor： Changwoo Lee ,  SunYoon Kim ,  Min Kim ,  Sanggoo Jeong ,  Juyoung Noh

IPC: G02F1/1335 ,  G02F1/13357 ,  G09G3/32

CPC classification number: G02F1/133612 ,  G02F1/133603 ,  G09G3/32 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/0286 ,  G09G2310/0297

Abstract: The present disclosure relates to a backlight unit, a display device, and a driving method. A sensing MUX circuit senses a voltage of a first light emitting node and a voltage of a second light emitting node, and then, detects whether a first light source connected between the first light emitting node and the second light emitting node is defective, whereby it is possible to specify and detect a defective light source.

公开(公告)号：US10559272B2

公开(公告)日：2020-02-11

申请号：US15807403

申请日：2017-11-08

Applicant: LG Display Co., Ltd.

Inventor： Chulwon Lee ,  Juyoung Noh

IPC: G09G3/36

Abstract: A display device and a method of driving the same are disclosed. The display device includes a display panel configured to display an image, and a parasitic capacitor compensation circuit including a compensation capacitor connected to a sensing line of the display panel and a control switch configured to perform a switching operation so that the compensation capacitor has a predetermined capacitance. The control switch is turned on in an image display operation of the display panel and is turned off in a sensing operation of the display panel.

公开(公告)号：US10522077B2

公开(公告)日：2019-12-31

申请号：US15365200

申请日：2016-11-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoungdon Woo ,  Chulwon Lee ,  Myunggi Lim ,  Juyoung Noh

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  G09G3/3291

Abstract: An organic light-emitting display can include a display panel including sensing lines connected to pixels; a current integrator configured to receive current from a pixel through a sensing line connected to a first input terminal, receive a reference voltage through a reference voltage line connected to a second input terminal, and swap a path through which the current applied through the first input terminal flows and a path through which the reference voltage applied through the second input terminal is supplied; a sampling part including a first sample and hold circuit for sampling a first output voltage of the current integrator and a second sample and hold circuit for sampling a second output voltage of the current integrator, subsequent to the first output voltage, which outputs the first and second output voltages sampled by the first and second sample and hold circuits simultaneously through a single output channel.

公开(公告)号：US20160163265A1

公开(公告)日：2016-06-09

申请号：US14962143

申请日：2015-12-08

Applicant: LG Display Co., Ltd.

Inventor： JunHyeok Yang ,  ChulWon Lee ,  Juyoung Noh

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/043

Abstract: An organic light emitting display device is disclosed, which may increase sensing accuracy by solving a problem that a difference between sensing data output from sensing units is generated due to a difference in sensing capability between the sensing units. The organic light emitting display device includes a display panel including data lines, scan lines, sensing lines, and pixels connected to the data lines, the scan lines and the sensing lines; a sensing data output unit outputting first sensing data by sensing currents flowing to the sensing lines; a scan driver supplying scan signals to the scan lines; and a source drive integrated circuit (IC) including a data voltage supply unit supplying data voltages to the data lines and a switching unit connecting the sensing lines to the sensing data output unit in a predetermined order.

Abstract translation: 公开了一种有机发光显示装置，其可以通过解决由于感测单元之间的感测能力的差异而产生从感测单元输出的感测数据之间的差异来增加感测精度。 有机发光显示装置包括：显示面板，包括数据线，扫描线，检测线以及连接到数据线，扫描线和感测线的像素; 感测数据输出单元，通过感测流向感测线的电流来输出第一感测数据; 扫描驱动器向扫描线提供扫描信号; 以及包括向数据线提供数据电压的数据电压供应单元的源极驱动集成电路（IC）和以预定顺序将感测线连接到感测数据输出单元的切换单元。