公开(公告)号：US20240221677A1

公开(公告)日：2024-07-04

申请号：US18384357

申请日：2023-10-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Shinji TAKASUGI ,  Hyun-Jong JI

IPC: G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G09G2310/0278 ,  G09G2310/08 ,  G09G2330/021

Abstract: A display device includes a display panel having a plurality of subpixels arranged in a row and a column; a first gate driving unit supplying a plurality of gate signals to the first subpixel through a plurality of first gate lines; a second gate driving unit supplying the plurality of gate signals to the second subpixel through a plurality of second gate lines; a data driving unit supplying a plurality of data signals through the plurality of data lines; and a timing controlling unit controlling the first gate driving unit, the second gate driving unit and the data driving unit, wherein the timing controlling unit controls the first gate driving unit independently from the second gate driving unit to consecutively supply the plurality of gate signals to the first subpixel through the plurality of first gate lines.

公开(公告)号：US20150187249A1

公开(公告)日：2015-07-02

申请号：US14460528

申请日：2014-08-15

Applicant: LG Display Co., Ltd.

Inventor： Ryosuke TANI ,  Joonmin PARK ,  Shinji TAKASUGI

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2003 ,  G09G3/006 ,  G09G3/3208 ,  G09G3/3225 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2300/0452 ,  G09G2300/0804 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0285 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2330/08 ,  G09G2330/10 ,  G09G2330/12 ,  G09G2360/16 ,  H01L2251/568

Abstract: A method for repairing an organic light emitting display having a plurality of unit pixels each including a white subpixel is provided. The method includes detecting a defective white subpixel by checking circuit units of the white subpixels, connecting a circuit unit of a neighboring subpixel positioned adjacent to the defective white subpixel in the unit pixel with a light emitting unit of the defective white subpixel using a repair conductive pattern, storing a repair position to which the repair conductive pattern is connected, and compensating for digital video data that will be input to the repair position.

Abstract translation: 提供一种用于修复具有包括白色子像素的多个单位像素的有机发光显示器的方法。 该方法包括通过检查白色子像素的电路单元来检测有缺陷的白色子像素，使用修复导电将缺陷白色子像素的发光单元与单位像素中的有缺陷的白色子像素相邻的相邻子像素的电路单元连接 存储维修导电图案所连接的维修位置，并补偿将输入到维修位置的数字视频数据。

公开(公告)号：US20190180691A1

公开(公告)日：2019-06-13

申请号：US16208243

申请日：2018-12-03

Applicant: LG Display Co., Ltd.

Inventor： Shinji TAKASUGI

IPC: G09G3/3266

Abstract: Provided is a gate shift register having multiple stages including a plurality of scan clock lines supplying scan shift clocks having different phases required for generating a scan control signal to the stages, and a plurality of shared carry clock lines supplying carry shift clocks having different phases required for generating a carry signal to the stages, wherein the number of the shared carry clock lines is half of the number of the scan clock lines and each of stage pairs including an odd-numbered stage and an even-numbered stage adjacent to each other share one carry shift clock.

公开(公告)号：US20160042690A1

公开(公告)日：2016-02-11

申请号：US14806386

申请日：2015-07-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Min Kyu CHANG ,  Shinji TAKASUGI ,  Hyo Jin PARK ,  Jong Ho LEE

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2310/0251 ,  G09G2320/043

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels, wherein each pixel includes a driving transistor outputting a data current based on a data voltage to emit light from an organic light emitting diode; and a panel driver which drives the display panel in a sensing mode and a display mode, wherein the panel driver calculates a threshold voltage prediction value of the driving transistor for each pixel by sensing a mobility and a threshold voltage of the driving transistor for each pixel through a reference line connected with a sensing node between the driving transistor and the organic light emitting diode of each pixel for the sensing mode, and the panel driver drives each pixel based on the threshold voltage prediction value of the driving transistor of each pixel for the display mode.

Abstract translation: 有机发光显示装置包括具有多个像素的显示面板，其中每个像素包括驱动晶体管，其基于数据电压输出数据电流以从有机发光二极管发光; 以及在感测模式和显示模式下驱动显示面板的面板驱动器，其中面板驱动器通过感测每个像素的驱动晶体管的迁移率和阈值电压来计算每个像素的驱动晶体管的阈值电压预测值 通过与用于感测模式的每个像素的驱动晶体管和有机发光二极管之间的感测节点连接的参考线，并且面板驱动器基于每个像素的驱动晶体管的阈值电压预测值驱动每个像素， 显示模式。

公开(公告)号：US20130113691A1

公开(公告)日：2013-05-09

申请号：US13730479

申请日：2012-12-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Shinji TAKASUGI

IPC: G09G3/30

CPC classification number: G09G3/30 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2320/0223

Abstract: An image display device includes a plurality of pixels, and feeders that commonly supply power to the plurality of pixels. In this image display device, each of the pixels has a light-emitting portion that emits light by a current supplied to the light-emitting portion, a driver that controls light emission of the light-emitting portion, and a switching portion electrically connected to the driver. The parasitic capacitance of the switching portion is determined with respect to each one pixel or one group of pixels according to the voltage drop of said feeder.

公开(公告)号：US20230209276A1

公开(公告)日：2023-06-29

申请号：US18087561

申请日：2022-12-22

Applicant: LG Display Co., Ltd.

Inventor： Jaehun YE ,  Shinji TAKASUGI

IPC: H04R17/00

CPC classification number: H04R17/00 ,  H04R2499/15

Abstract: An apparatus can include a passive vibration member; a vibration device coupled to a rear surface of the passive vibration member; and a supporting member at the rear surface of the passive vibration member. The apparatus can include a first vibration portion; a second vibration portion coupled to a periphery of the first vibration portion; and a connection portion disposed between a periphery of the second vibration portion and the rear surface of the passive vibration member.

公开(公告)号：US20230209251A1

公开(公告)日：2023-06-29

申请号：US18087573

申请日：2022-12-22

Applicant: LG Display Co., Ltd.

Inventor： Jaehun YE ,  Shinji TAKASUGI

IPC: H04R1/40 ,  H04R17/10

CPC classification number: H04R1/403 ,  H04R17/10 ,  H04R3/02 ,  H04R2201/401

Abstract: An apparatus can include a passive vibration member; a vibration device including a plurality of active vibration members coupled to a rear surface of the passive vibration member, the plurality of active vibration members being arranged along one or more of a first direction and a second direction intersecting with the first direction; and a supporting member at the rear surface of the passive vibration member. Also, at least one or more of the plurality of active vibration members are configured to receive a driving signal that differs from a driving signal applied to other active vibration members among the plurality of active vibration members.

公开(公告)号：US20210183304A1

公开(公告)日：2021-06-17

申请号：US17115428

申请日：2020-12-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Shinji TAKASUGI

IPC: G09G3/32

Abstract: A light emitting display device where a pixel circuit detecting a threshold voltage of a driving transistor in each of a plurality of subpixels is arranged in a matrix, includes: a threshold voltage estimating part generating a threshold voltage estimation value by estimating the threshold voltage of the driving transistor through a data counting method; a reference voltage modifying part generating a reference voltage modification value by modifying a reference voltage used for detecting the threshold voltage based on the threshold voltage estimation value; an image data voltage modifying part generating an image data voltage modification value by adding a threshold voltage detection value to a data voltage corresponding to an image data; and an accumulated deterioration calculating part calculating an accumulated deterioration by accumulating a deterioration data of a function of the data voltage.

公开(公告)号：US20200074932A1

公开(公告)日：2020-03-05

申请号：US16553034

申请日：2019-08-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Joonmin PARK ,  Shinji TAKASUGI

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291 ,  G09G3/3266

Abstract: Provided is a light emitting display device and a method of driving the same. The light emitting display device includes: a display panel in which pixel lines including a plurality of pixels are divided into at least one area A and at least one area B; a panel driver connected to the pixel line; and a timing controller for controlling operation of the panel driver to perform image data writing (IDW) driving for sequentially writing input image data to a plurality of pixel lines included in one of the area A and the area B and to perform sensing data writing (SDW) driving for writing sensing data to a pixel line included in one of the area A and the area B in a vertical blank period in which image data writing driving is not performed. The timing controller writes coupling compensation data during the vertical blank period. According to the present disclosure, a device can be realized in consideration of a sensing deviation that may be generated in a compensation operation for improving deterioration of elements included in a display panel and increasing the lifespan thereof.

公开(公告)号：US20130043785A1

公开(公告)日：2013-02-21

申请号：US13658420

申请日：2012-10-23

Applicant: LG Display CO., LTD.

Inventor： Yoshiki NAKAMURA ,  Taro HASUMI ,  Shinji TAKASUGI ,  Naoyuki NAKANISHI

IPC: H05B33/04

CPC classification number: H01L27/3223 ,  H01L51/5246

Abstract: A sealing layer covers more surely both of a display region and a peripheral region on a substrate. A dummy structure is formed in the peripheral region of the substrate. The dummy structure contains, for instance, at least one of the materials constituting an organic EL display structure. The dummy structure is located in the peripheral region so that the volume per unit area of the sealing layer in the peripheral region is substantially the same as that in the display region.

Abstract translation: 密封层更可靠地覆盖基板上的显示区域和周边区域。 在基板的周边区域中形成虚设结构。 虚拟结构例如包含构成有机EL显示结构的材料中的至少一种。 虚设结构位于周边区域中，使得周边区域中的密封层的每单位面积的体积与显示区域中的大致相同。