公开(公告)号：US20140152719A1

公开(公告)日：2014-06-05

申请号：US14079332

申请日：2013-11-13

Applicant: LG Display Co., Ltd.

Inventor： Jin-Hyun JUNG

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/061 ,  G09G2320/0233

Abstract: Disclosed are a pixel circuit and an organic light emitting display device using the same. The pixel circuit includes a light emitting element configured to include an organic emission cell formed between an anode and cathode of the light emitting element, a driving transistor configured to control emission of light from the light emitting element according to a voltage applied between a gate and source of the driving transistor, a data capacitor configured to include a first terminal and a second terminal; and a switching unit configured to initialize a voltage of the data capacitor during an initialization period, store a threshold voltage of the driving transistor during a threshold voltage storage period, store the data voltage in the data capacitor during a data voltage storage period, and emit light from the light emitting element by using the data voltage stored in the data capacitor during an emission period.

Abstract translation: 公开了使用其的像素电路和有机发光显示装置。 像素电路包括被配置为包括形成在发光元件的阳极和阴极之间的有机发射单元的发光元件，驱动晶体管，被配置为根据施加在栅极与栅极之间的电压来控制来自发光元件的光的发射 驱动晶体管的源极，配置为包括第一端子和第二端子的数据电容器; 以及开关单元，被配置为在初始化期间初始化数据电容器的电压，在阈值电压存储期间存储驱动晶体管的阈值电压，在数据电压存储期间将数据电压存储在数据电容器中，并且发射 在发光期间通过使用存储在数据电容器中的数据电压从发光元件发出光。

公开(公告)号：US20170164485A1

公开(公告)日：2017-06-08

申请号：US15346096

申请日：2016-11-08

Applicant: LG Display Co., Ltd.

Inventor： Jin-Hyun JUNG ,  BuYeol LEE

IPC: H05K5/00 ,  H05K1/14 ,  H05K1/02 ,  H01L51/52

CPC classification number: H05K5/0017 ,  G02F1/13452 ,  G02F2203/01 ,  H01L51/52 ,  H01L51/5237 ,  H05K1/0274 ,  H05K1/14 ,  H05K1/144 ,  H05K3/363 ,  H05K2201/0108 ,  H05K2201/041 ,  H05K2201/056 ,  H05K2201/10128 ,  H05K2201/10681

Abstract: Disclosed is a display device for realizing a transparent image. The display device includes a display panel, a source printed circuit board (PCB) on which a signal line is mounted, a control PCB on which a timing controller is mounted, and a circuit film connected to the display panel at one side of the circuit film and connected to the source PCB at another side. The source PCB and the control PCB are disposed to overlap each other.

公开(公告)号：US20140319496A1

公开(公告)日：2014-10-30

申请号：US14263484

申请日：2014-04-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Ho-Jin KIM ,  Yong-Chul KIM ,  Jin-Hyun JUNG ,  Sun-Ju LEE ,  Ji Ho RYU

IPC: H01L27/32 ,  H01L51/00

CPC classification number: H01L51/0097 ,  H01L27/3276 ,  H01L27/3288 ,  H01L2251/5338 ,  Y02E10/549

Abstract: An organic light emitting diode display device includes a first substrate; a conductive line formed on a first surface of the first substrate; an organic light emitting diode and an encapsulation layer on the conductive line; a second substrate on the encapsulation layer; a conductive pad connected to the conductive line and arranged in a through hole passing through the first substrate; and a driving circuit unit on a second surface opposite the first surface of the first substrate and connected to the conductive pad.

Abstract translation: 有机发光二极管显示装置包括第一基板; 形成在所述第一基板的第一表面上的导线; 导电线上的有机发光二极管和封装层; 封装层上的第二衬底; 连接到所述导电线并且布置在通过所述第一基板的通孔中的导电焊盘; 以及在与第一基板的第一表面相对的第二表面上并连接到导电焊盘的驱动电路单元。

公开(公告)号：US20240212574A1

公开(公告)日：2024-06-27

申请号：US18511490

申请日：2023-11-16

Applicant: LG Display Co., Ltd.

Inventor： SunYoon KIM ,  Jin-Hyun JUNG ,  Byungjae LEE ,  Changwoo LEE

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2096 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/041

Abstract: Discussed are a display panel and a display device having the same. The display panel includes a plurality of subpixels. A gate line, a data line, and a reference voltage line are further disposed on the display panel. A gate driving circuit supplies a scan signal to the gate line. A data driving circuit converts image data into a data voltage and supplies the data voltages to the data line. A timing controller controls the gate driving circuit and the data driving circuit and generates compensation data for the image data using a sensing voltage detected through the reference voltage line. The display panel includes a plurality of sensing transistors disposed around a corresponding subpixel among the plurality of subpixels to connect the data line and the reference voltage line.

公开(公告)号：US20140168190A1

公开(公告)日：2014-06-19

申请号：US13960300

申请日：2013-08-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghyeon KWAK ,  Jin-Hyun JUNG

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0866 ,  G09G2320/043

Abstract: Discussed is an OLED display device and a method of driving the same. The OLED display device includes first to third transistors, a capacitor, a driving transistor, and an OLED. The first transistor supplies a data voltage to a first node according to a first scan signal. A first electrode of the second transistor is connected to the first node, and a gate of the second transistor is connected to a second electrode of the second transistor. The third transistor initializes a voltage of a second node according to a second scan signal. One end of the capacitor is connected to the second node, and the other end of the capacitor is connected to a third node. A gate of the driving transistor is connected to the second node, and a source of the driving transistor is connected to the third node. The OLED emits light.

Abstract translation: 讨论的是OLED显示装置及其驱动方法。 OLED显示装置包括第一至第三晶体管，电容器，驱动晶体管和OLED。 第一晶体管根据第一扫描信号向第一节点提供数据电压。 第二晶体管的第一电极连接到第一节点，第二晶体管的栅极连接到第二晶体管的第二电极。 第三晶体管根据第二扫描信号初始化第二节点的电压。 电容器的一端连接到第二节点，电容器的另一端连接到第三节点。 驱动晶体管的栅极连接到第二节点，并且驱动晶体管的源极连接到第三节点。 OLED发光。

公开(公告)号：US20240221625A1

公开(公告)日：2024-07-04

申请号：US18534870

申请日：2023-12-11

Applicant: LG Display Co., Ltd

Inventor： SunYoon KIM ,  Jin-Hyun JUNG ,  Byungjae LEE

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0275 ,  G09G2310/08

Abstract: A display device includes a driving transistor used for driving a light emitting element; a scanning transistor electrically connected between a first node that is a gate node of the driving transistor and a data line to which a data voltage is supplied; a storage capacitor electrically connected between a second node of the driving transistor and the first node; and a charging ratio sensing unit electrically connected to the data line through an input line, wherein the charging ratio sensing unit senses a voltage charged in the storage capacitor through the input line. Accordingly, it may efficiently improve a pixel charging ratio by a charging ratio sensing unit connected to a data line through an input line sensing a voltage charged in a storage capacitor through the input line.

公开(公告)号：US20240221559A1

公开(公告)日：2024-07-04

申请号：US18517052

申请日：2023-11-22

Applicant: LG Display Co., Ltd.

Inventor： Byungjae LEE ,  Jin-Hyun JUNG ,  Changwoo LEE ,  Yumin HONG

IPC: G09G3/00 ,  G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/006 ,  G09G3/2096 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/12 ,  G09G2370/08

Abstract: Embodiments of the present disclosure relate to a display device and a driving method. A data driving circuit transmits feedback data generated on the basis of input data to a controller, and the controller generates corrected data by comparing the input data and the feedback data. It is possible to automatically detect noise, and it is possible to detect noise in real time.

公开(公告)号：US20210166590A1

公开(公告)日：2021-06-03

申请号：US17102022

申请日：2020-11-23

Applicant: LG Display Co., Ltd.

Inventor： Jin-Hyun JUNG ,  Seok-Won JI

IPC: G09F9/30 ,  G06F1/18

Abstract: A stretchable display device is provided. The display device includes a stretchable display panel, a flexible printed circuit board connected to the stretchable display panel, and a connecting circuit connecting the stretchable display panel and the flexible printed circuit board. The flexible printed circuit board includes a non-deformation region and a deformation region outside the non-deformation region. The flexible printed circuit board further includes a stretchable base substrate, a circuit component on the base substrate, and a compensating layer on the base substrate. The compensating layer is locally disposed in the non-deformation region and the circuit component is locally disposed in the non-deformation region.