公开(公告)号：US12148366B2

公开(公告)日：2024-11-19

申请号：US18465076

申请日：2023-09-11

Applicant: LG Display Co., Ltd.

Inventor： Tae Gung Kim ,  Dae Sung Park ,  Chang Woo Seo

IPC: G09G3/32

Abstract: A tiling display apparatus includes a plurality of display modules connected to one another to configure a screen, a set board configured to output an input data enable signal and image data synchronized therewith to one of the plurality of display modules, and first to Nth (where N is a natural number of 3 or more) timing controllers configured for the plurality of display modules, the first to Nth timing controllers are sequentially connected to one another in a first direction through a first interface line based on a cascading scheme and configured to receive the input data enable signal and the image data at different timings which are sequentially delayed and synchronize a display time of the image data on the basis of an independently generated output data enable signal.

公开(公告)号：US20240248668A1

公开(公告)日：2024-07-25

申请号：US18628218

申请日：2024-04-05

Applicant: LG Display Co., Ltd.

Inventor： Sang Woo Park ,  Tae Gung Kim

IPC: G06F3/14 ,  G06F11/16 ,  G09G3/00

CPC classification number: G06F3/1446 ,  G06F11/162 ,  G09G3/006 ,  G06F2201/86 ,  G09G2300/026 ,  G09G2330/10 ,  G09G2330/12 ,  G09G2360/04

Abstract: A tiling display apparatus includes a plurality of display modules connected to one another through a first interface circuit and a second interface circuit and a set board receiving a defect occurrence and position signal, generated in a broken-down module of the plurality of display modules, from the broken module through the first interface circuit in a first period, generating a defect recognition completion signal in a second period succeeding the first period, and transferring the defect recognition completion signal to the broken-down module through the second interface circuit in the second period.

公开(公告)号：US11977807B2

公开(公告)日：2024-05-07

申请号：US17979607

申请日：2022-11-02

Applicant: LG Display Co., Ltd.

Inventor： Sang Woo Park ,  Tae Gung Kim

IPC: G06F3/14 ,  G06F11/16 ,  G09G3/00

CPC classification number: G06F3/1446 ,  G06F11/162 ,  G09G3/006 ,  G06F2201/86 ,  G09G2300/026 ,  G09G2330/10 ,  G09G2330/12 ,  G09G2360/04

Abstract: A tiling display apparatus includes a plurality of display modules connected to one another through a first interface circuit and a second interface circuit and a set board receiving a defect occurrence and position signal, generated in a broken-down module of the plurality of display modules, from the broken module through the first interface circuit in a first period, generating a defect recognition completion signal in a second period succeeding the first period, and transferring the defect recognition completion signal to the broken-down module through the second interface circuit in the second period.

公开(公告)号：US11741891B2

公开(公告)日：2023-08-29

申请号：US17965167

申请日：2022-10-13

Applicant: LG Display Co., Ltd.

Inventor： Jae Yeong Go ,  Tae Gung Kim ,  Dae Sung Park

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0205 ,  G09G2310/0221 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2320/08 ,  G09G2340/0407 ,  G09G2340/16 ,  G09G2360/12

Abstract: The present disclosure discloses a display device and a driving method of the display device. The display device includes a display panel for displaying an image, a driver for driving the display panel, a controller for controlling the driver, and a duty cycle controller for defining an unknown area in which vertical resolution information is not known and a known area in which the vertical resolution information is known within one frame when a driving frequency of the display panel is changed, and varying a duty cycle for driving the known area.

公开(公告)号：US11620954B2

公开(公告)日：2023-04-04

申请号：US17522742

申请日：2021-11-09

Applicant: LG Display Co., Ltd.

Inventor： Sun Cheol Noh ,  Tae Gung Kim

IPC: G06F13/16 ,  G09G3/00 ,  G09G3/3275 ,  H04N5/63

Abstract: A display device includes a display panel configured to display images, a data driver configured to supply data voltages to the display panel, and a controller configured to control the data driver, wherein the controller operates in a normal mode having normal driving conditions and a power saving mode having driving conditions for reducing power consumption and lowers a driving frequency and an environment of an interface connected to the data driver as compared to a driving frequency and an interface environment in the normal mode when operating in the power saving mode.

公开(公告)号：US10896637B2

公开(公告)日：2021-01-19

申请号：US15717146

申请日：2017-09-27

Applicant: LG Display Co., Ltd.

Inventor： Nari Kim ,  Seung Tae Kim ,  Tae Gung Kim ,  Ji Eun Lee

IPC: G09G3/3233 ,  G09G3/3208

Abstract: An organic light emitting display device includes a display panel having a plurality of pixels provided with a pixel circuit to operate an organic light emitting diode, and a driving circuit to drive the display panel, wherein ‘n’ horizontal sensing lines are formed in the display panel, and a method for driving the display device includes: dividing the ‘n’ horizontal sensing lines formed in the display panel into a plurality of blocks; and sequentially or non-sequentially sensing the plurality of blocks via the sensing lines, wherein the plurality of blocks are sensed in order from the first to the last of the ‘n’ sensing lines by a sequential or non-sequential method.

公开(公告)号：US20180018915A1

公开(公告)日：2018-01-18

申请号：US15717146

申请日：2017-09-27

Applicant: LG Display Co., Ltd.

Inventor： Nari Kim ,  Seung Tae Kim ,  Tae Gung Kim ,  Ji Eun Lee

IPC: G09G3/3208 ,  G09G3/3233

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045

Abstract: An organic light emitting display device includes a display panel having a plurality of pixels provided with a pixel circuit to operate an organic light emitting diode, and a driving circuit to drive the display panel, wherein ‘n’ horizontal sensing lines are formed in the display panel, and a method for driving the display device includes: dividing the ‘n’ horizontal sensing lines formed in the display panel into a plurality of blocks; and sequentially or non-sequentially sensing the plurality of blocks via the sensing lines, wherein the plurality of blocks are sensed in order from the first to the last of the ‘n’ sensing lines by a sequential or non-sequential method.

公开(公告)号：US09378678B1

公开(公告)日：2016-06-28

申请号：US14945866

申请日：2015-11-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Byung Jae Lee ,  Jun Hyeok Yang ,  Tae Gung Kim ,  Myung Gi Lim

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/2003 ,  G09G3/2007 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2330/08 ,  G09G2360/16

Abstract: An OLED display device is disclosed which includes: a display panel configured with pixels which each include an organic light emitting diode and a driving transistor applying a driving current to the organic light emitting diode; a gate driver connected to the pixels through gate lines; a data driver configured to apply a sensing voltage to the pixels through data lines in a sensing mode and enable a sensing current to flow through each of the driving transistors; a sensing driver configured to sense threshold voltages opposite the driving currents which flow through the driving transistors; and a brightness compensation circuit configured to derive negatively shifted degrees of threshold voltages of the driving transistors from the sensed threshold voltages, detect a bright-defected pixel on the basis of the negatively shifted degrees, and generate a compensation gray value for the bright-defected pixel.

Abstract translation: 公开了一种OLED显示装置，其包括：配置有各自包括有机发光二极管的像素的显示面板和向该有机发光二极管施加驱动电流的驱动晶体管; 栅极驱动器，通过栅极线连接到像素; 数据驱动器，被配置为以感测模式通过数据线将感测电压施加到像素，并使感测电流能够流过每个驱动晶体管; 感测驱动器，被配置为感测与流过所述驱动晶体管的驱动电流相反的阈值电压; 以及亮度补偿电路，被配置为从感测的阈值电压导出驱动晶体管的阈值电压的负偏移度，基于负偏移度检测亮缺陷像素，并且生成用于亮瑕疵的补偿灰度值 像素。

公开(公告)号：US20140176401A1

公开(公告)日：2014-06-26

申请号：US14108356

申请日：2013-12-17

Applicant: LG Display Co., Ltd.

Inventor： Nari Kim ,  Seung Tae Kim ,  Tae Gung Kim ,  Ji Eun Lee

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045

Abstract: An organic light emitting display device includes a display panel having a plurality of pixels provided with a pixel circuit to operate an organic light emitting diode, and a driving circuit to drive the display panel, wherein ‘n’ horizontal sensing lines are formed in the display panel, and a method for driving the display device includes: dividing the ‘n’ horizontal sensing lines formed in the display panel into a plurality of blocks; and sequentially or non-sequentially sensing the plurality of blocks via the sensing lines, wherein the plurality of blocks are sensed in order from the first to the last of the ‘n’ sensing lines by a sequential or non-sequential method.

Abstract translation: 有机发光显示装置包括：具有多个像素的显示面板，具有用于操作有机发光二极管的像素电路;以及驱动电路，驱动显示面板，其中在显示器中形成“n”个水平感测线 面板和用于驱动显示装置的方法包括：将形成在显示面板中的“n”个水平感测线划分成多个块; 并且经由感测线顺序地或非顺序地感测多个块，其中通过顺序或非顺序方法从“n”个感测线的第一到最后的顺序感测多个块。