公开(公告)号：US20210202685A1

公开(公告)日：2021-07-01

申请号：US17133901

申请日：2020-12-24

Applicant: LG Display Co., Ltd.

Inventor： MyungHo BAN ,  Dongik KIM ,  Subin KIM ,  BumSik KIM ,  KyungMin KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: The present disclosure relates to a display panel and a large display apparatus including the same display panel and a connecting member. A large-area display apparatus according to the present disclosure includes: a cover plate; a plurality of unit display panels arrayed on one surface of the cover plate, each of the unit display panels includes: a substrate; a display area defined at middle portions of the substrate; a non-display area around the display area; a pad portion disposed in the non-display area; a first terminal disposed outside the pad portion in the non-display area; and a second terminal apart from the first terminal disposed outside the pad portion in the non-display area; and a connecting member disposed between two unit display panels, the connecting member connecting the first terminals of the unit display panels and the second terminals of the unit display panels, respectively.

公开(公告)号：US20180151112A1

公开(公告)日：2018-05-31

申请号：US15802877

申请日：2017-11-03

Applicant: LG Display Co., Ltd.

Inventor： Eunji SONG ,  Kiwon SON ,  Hunki SHIN ,  Dongik KIM

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3283 ,  G09G3/3291 ,  G09G3/00

Abstract: An electroluminescent display and a method of sensing electrical characteristics of the electroluminescent display are disclosed. The electroluminescent display includes a display panel including a plurality of pixels, a plurality of gate lines, and a plurality of data lines and a driver integrated circuit connected to the data line through a channel terminal. The driver integrated circuit includes a data voltage generator configured to generate a data voltage to be supplied to the pixel, a first switch connected between the channel terminal and the data voltage generator, a sensor configured to sense electrical characteristics of the pixel, and a second switch connected between the channel terminal and the sensor.

公开(公告)号：US20180033367A1

公开(公告)日：2018-02-01

申请号：US15659529

申请日：2017-07-25

Applicant: LG Display Co., Ltd.

Inventor： Seungtae KIM ,  Dongik KIM ,  Kiwon SON

IPC: G09G3/3233 ,  H01L27/108 ,  H01L27/32

CPC classification number: G09G3/3233 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0295 ,  G09G2320/045 ,  H01L27/10882 ,  H01L27/14603 ,  H01L27/3248

Abstract: Disclosed is an organic light emitting display including: a display panel on which a plurality of gate lines, a plurality of data lines, and a plurality of pixels are arranged, each pixel including an organic light emitting diode (OLED); a gate driving circuit connected to the pixels through the gate lines; and a data driving circuit connected to the pixels through the data lines, wherein each of the pixels comprises: a driving thin film transistor (TFT); a first switch TFT; a second switch TFT; a third switch TFT; and a storage capacitor, and wherein the first to third TFTs and the driving TFT are P-type TFTs.

公开(公告)号：US20150179102A1

公开(公告)日：2015-06-25

申请号：US14557495

申请日：2014-12-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Dongik KIM ,  Kiwon SON

IPC: G09G3/32 ,  H01L27/32 ,  H01L51/52

CPC classification number: G09G3/3233 ,  G09G3/3291 ,  G09G2320/0233

Abstract: Disclosed is an organic light emitting display in which a sensing period during which the source voltage of the driving TFT is raised toward a data voltage applied to a gate electrode of the driving TFT in order to compensate a change in mobility of the driving TFT, a first gate signal is maintained at an ON level and a second gate signal is maintained at an OFF level, and the first and second gate signals are maintained at an OFF level in a light emission period following the sensing period; and a first falling time of the first gate signal and a second falling time of the second gate signal, which indicate a period of time required to change from the ON level to the OFF level, are set to be longer than a predetermined reference value, respectively.

Abstract translation: 公开了一种有机发光显示器，其中驱动TFT的源极电压升高到施加到驱动TFT的栅电极的数据电压的感测周期，以补偿驱动TFT的迁移率的变化， 第一栅极信号保持在ON电平，第二栅极信号保持在OFF电平，并且第一和第二栅极信号在感测周期之后的发光周期中保持在OFF电平; 并且将第一门信号的第一下降时间和第二门信号的第二下降时间设置为长于预定参考值，该第二下降时间指示从ON电平变为OFF电平所需的时间段， 分别。

公开(公告)号：US20230209976A1

公开(公告)日：2023-06-29

申请号：US18087862

申请日：2022-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Dongik KIM ,  HeeSuk PANG ,  Insu HWANG ,  Hyoung-Su KIM

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/131 ,  H10K59/121

CPC classification number: H10K59/8794 ,  H10K59/122 ,  H10K59/873 ,  H10K59/131 ,  H10K59/1213

Abstract: A light emitting display device can prevent degradation of the light emitting elements in the display area due to moisture and oxygen and enhance the reliability of the light emitting display panel by placing a structure capable of delaying penetration of moisture and oxygen into the display area on the periphery of the light emitting display panel.

公开(公告)号：US20190035335A1

公开(公告)日：2019-01-31

申请号：US16030123

申请日：2018-07-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Dongik KIM ,  Kyoungdon WOO

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

Abstract: An organic light emitting display and a method of sensing deterioration of the same are discussed. The organic light emitting display includes a display panel including a plurality of display lines, each of the display lines in which a plurality of pixels are arranged, each of the pixels including a light emitting element and a driving element, a panel driver configured to supply a gate signal and a data voltage synchronized with the gate signal to the pixels of the display lines, a sensing unit configured to sense driving characteristics of the pixels, and a timing controller configured to control operation timings of the panel driver and the sensing unit, and overlappingly shift a sensing driving sequence for at least some display lines in accordance with a line sequential manner.

公开(公告)号：US20240206261A1

公开(公告)日：2024-06-20

申请号：US18515098

申请日：2023-11-20

Applicant: LG Display Co., Ltd.

Inventor： KyungYun KANG ,  Dongik KIM ,  HeeSuk PANG

IPC: H10K59/131 ,  H10K59/60

CPC classification number: H10K59/131 ,  H10K59/60

Abstract: Provided is an organic light emitting display device. The organic light emitting display device comprises a substrate including a display area; and pixels disposed in the display area on the substrate, wherein the display area includes a sensor area including light-transmissive areas, wherein the sensor area includes a transparent electrode disposed between the pixels, and wherein the transparent electrode overlaps the light-transmissive areas. Accordingly, a cathode may be removed without any additional process or equipment.

公开(公告)号：US20180083078A1

公开(公告)日：2018-03-22

申请号：US15697024

申请日：2017-09-06

Applicant: LG Display Co., Ltd.

Inventor： Hyemin PARK ,  Hunki SHIN ,  Dongik KIM ,  Jinwoo LEE

IPC: H01L27/32 ,  H01L51/10 ,  H01L29/423

CPC classification number: H01L27/3248 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2310/0205 ,  G09G2310/0297 ,  G09G2320/0295 ,  H01L27/3211 ,  H01L27/3262 ,  H01L29/42312 ,  H01L51/102

Abstract: The present disclosure relates to an organic light emitting display device which comprises a plurality of sub-pixels each of which comprises an OLED, a driving TFT, a first TFT for applying a data voltage to a gate electrode of the driving TFT, a second TFT for applying a reference voltage to a source electrode of the driving TFT, and a storage capacitor, a data driver for outputting the data voltage to a data line and the reference voltage to a reference line, and a gate driving unit for outputting signals to a first gate line connected to the gate electrode of the first TFT and a second gate line connected to the gate electrode of the second TFT, wherein two adjacent sub-pixels emitting a same color is supplied with the data voltages through different data lines and share the first gate line and the second gate line.