公开(公告)号：US09939952B2

公开(公告)日：2018-04-10

申请号：US15193515

申请日：2016-06-27

Applicant: LG Display Co., Ltd.

Inventor： EungKyu Kim ,  SinKyun Park

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F3/044 ,  G09G3/3233 ,  G06F11/00 ,  G09G3/3225

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F11/00 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2320/041 ,  G09G2330/04 ,  G09G2330/045 ,  H01L27/323 ,  H01L51/5281

Abstract: An organic light emitting display device is provided. The organic light emitting display device includes a conductive pattern of which impedance varies due to damage or heat generation of a panel and senses the damage or heat generation of the panel by using the conductive pattern.

公开(公告)号：US10297200B2

公开(公告)日：2019-05-21

申请号：US15195079

申请日：2016-06-28

Applicant: LG Display Co., Ltd.

Inventor： EungKyu Kim ,  SinKyun Park

IPC: G09G3/00 ,  G09G3/32 ,  G09G3/325 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3283

Abstract: A display device is provided in which a control switching element arranged in a location to which a voltage used for driving a display panel is applied may identify whether an abnormal current has occurred in the display panel in an off-situation so as to easily and accurately detect whether or not a panel defect exists, in a panel defect detection interval wherein the panel defect detection interval is an interval having no abnormal current occurring therein when no panel defect exists. A panel defect detection system and a panel defect detection method are also provided.

公开(公告)号：US20180203567A1

公开(公告)日：2018-07-19

申请号：US15920144

申请日：2018-03-13

Applicant: LG Display Co., Ltd.

Inventor： EungKyu Kim ,  SinKyun Park

IPC: G06F3/041 ,  H01L27/32 ,  G09G3/3225 ,  G06F11/00 ,  G09G3/3233 ,  H01L51/52 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F11/00 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2320/041 ,  G09G2330/04 ,  G09G2330/045 ,  H01L27/323 ,  H01L51/5281

Abstract: An organic light emitting display device is provided. The organic light emitting display device includes a conductive pattern of which impedance varies due to damage or heat generation of a panel and senses the damage or heat generation of the panel by using the conductive pattern.

公开(公告)号：US12073759B2

公开(公告)日：2024-08-27

申请号：US17963352

申请日：2022-10-11

Applicant: LG DISPLAY CO., LTD.

Inventor： MooKyoung Hong ,  SinKyun Park

IPC: G09G3/20 ,  G09G3/32 ,  G09G3/3225 ,  G09G3/3291 ,  H10K59/12

CPC classification number: G09G3/2074 ,  G09G3/3225 ,  G09G3/32 ,  G09G3/3291 ,  G09G2300/0413 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0251 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2320/02 ,  G09G2320/0238 ,  G09G2320/0247 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2330/028 ,  G09G2340/0435

Abstract: A display device includes a sub-pixel comprising a light emitting device and a driving transistor DRT electrically connected to a first electrode of the light emitting device and configured to drive the light emitting device, and a reference voltage line electrically connected to the sub-pixel SP and applying an initialization voltage to the first electrode of the light emitting device, wherein a voltage level of the initialization voltage is changed according to a length of a blank period, thereby improving display quality of the image at a low refresh rate in a variable refresh rate mode.

公开(公告)号：US11996052B2

公开(公告)日：2024-05-28

申请号：US17976548

申请日：2022-10-28

Applicant: LG Display Co., Ltd.

Inventor： MooKyoung Hong ,  Uitaek Jeong ,  HyeonWoo Lee ,  DongKyu Yang ,  SinKyun Park ,  SeungWon Lee

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

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3283 ,  G09G2300/0413 ,  G09G2300/0842 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/0214 ,  G09G2320/045 ,  G09G2330/021

Abstract: A display device can include a display panel having a plurality of subpixels; a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, and output a feedback voltage; a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of data lines; a power management circuit configured to supply a plurality of driving voltages to the gate driving circuit and the data driving circuit, and supply a compensating high-potential gate voltage to the gate driving circuit based on the feedback voltage transferred from the gate driving circuit. The display device can further include a timing controller configured to control the gate driving circuit, the data driving circuit, and the power management circuit.

公开(公告)号：US20230213974A1

公开(公告)日：2023-07-06

申请号：US17976122

申请日：2022-10-28

Applicant: LG DISPLAY CO., LTD.

Inventor： MooKyoung Hong ,  SinKyun Park

IPC: G06F1/16 ,  G09G3/3291

CPC classification number: G06F1/1652 ,  G06F1/1677 ,  G09G3/3291 ,  G09G2300/0828

Abstract: A display device can include a display panel including a display area in which sub-pixels are disposed, and a non-display area adjacent to the display area and in which a second pad portion is disposed, a printed circuit board including a first pad portion for outputting voltages to the display panel, and a circuit film including a first end connected to the first pad portion of the printed circuit board and a second end connected to the second pad portion of the display panel. The display device can further include an analog-to-digital converter to receive a voltage output from the first pad portion or the second pad portion through a line in the circuit film electrically connecting the first pad portion with the second pad portion, and output a value corresponding to the voltage input for detecting a bonding state of at least one internal component within the display device.

公开(公告)号：US10101852B2

公开(公告)日：2018-10-16

申请号：US15920144

申请日：2018-03-13

Applicant: LG Display Co., Ltd.

Inventor： EungKyu Kim ,  SinKyun Park

IPC: G06F3/041 ,  H01L27/32 ,  G09G3/3225 ,  G06F11/00 ,  G06F3/044 ,  H01L51/52 ,  G09G3/3233

Abstract: An organic light emitting display device is provided. The organic light emitting display device includes a conductive pattern of which impedance varies due to damage or heat generation of a panel and senses the damage or heat generation of the panel by using the conductive pattern.

公开(公告)号：US20170004773A1

公开(公告)日：2017-01-05

申请号：US15195079

申请日：2016-06-28

Applicant: LG Display Co., Ltd.

Inventor： EungKyu Kim ,  SinKyun Park

IPC: G09G3/3258 ,  G09G3/00 ,  G09G3/325 ,  G09G3/3266 ,  G09G3/3283

CPC classification number: G09G3/3258 ,  G09G3/006 ,  G09G3/32 ,  G09G3/3233 ,  G09G3/325 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0809 ,  G09G2300/0819 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2320/045 ,  G09G2320/0646 ,  G09G2330/045 ,  G09G2330/12

Abstract: A display device is provided in which a control switching element arranged in a location to which a voltage used for driving a display panel is applied may identify whether an abnormal current has occurred in the display panel in an off-situation so as to easily and accurately detect whether or not a panel defect exists, in a panel defect detection interval wherein the panel defect detection interval is an interval having no abnormal current occurring therein when no panel defect exists. A panel defect detection system and a panel defect detection method are also provided.

Abstract translation: 提供了一种显示装置，其中布置在用于驱动显示面板的电压的位置处的控制切换元件可以识别在脱离情况下在显示面板中是否发生异常电流，以便容易且准确地 在不存在面板缺陷的情况下，在面板缺陷检测间隔是不存在异常电流的间隔的面板缺陷检测间隔中，检测是否存在面板缺陷。 还提供了面板缺陷检测系统和面板缺陷检测方法。

公开(公告)号：US20170003806A1

公开(公告)日：2017-01-05

申请号：US15193515

申请日：2016-06-27

Applicant: LG Display Co., Ltd.

Inventor： EungKyu Kim ,  SinKyun Park

IPC: G06F3/041 ,  G09G3/3233 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F11/00 ,  G09G3/3225 ,  G09G3/3233 ,  G09G2320/041 ,  G09G2330/04 ,  G09G2330/045 ,  H01L27/323 ,  H01L51/5281

Abstract: An organic light emitting display device is provided. The organic light emitting display device includes a conductive pattern of which impedance varies due to damage or heat generation of a panel and senses the damage or heat generation of the panel by using the conductive pattern.

Abstract translation: 提供了一种有机发光显示装置。 有机发光显示装置包括由于面板的损坏或发热而阻抗变化的导电图案，并且通过使用导电图案来感测面板的损坏或发热。