公开(公告)号：US11520201B2

公开(公告)日：2022-12-06

申请号：US17111267

申请日：2020-12-03

Applicant: LG Display Co., Ltd.

Inventor： Yewon Hong ,  JungHyun Lee ,  Hyun Soo Shin

IPC: G02F1/1362 ,  H01L27/12

Abstract: Disclosed is a display apparatus and a method for manufacturing the same, wherein the display apparatus comprises a substrate, a light shielding layer, a signal line and a first electrode on the substrate, an active layer, a gate electrode, a second electrode, a first connection electrode for connecting the active layer with the signal line, and a second connection electrode for connecting the active layer with any one of the first electrode and the second electrode, wherein any one of the first electrode and the second electrode is a pixel electrode of a display device, and the other is a common electrode of the display device, the light shielding layer, the signal line and the first electrode are disposed on the same layer, and the first connection electrode and the second connection electrode are formed of the same material as that of the second electrode.

公开(公告)号：US11158260B2

公开(公告)日：2021-10-26

申请号：US16513930

申请日：2019-07-17

Applicant: LG Display Co., Ltd.

Inventor： JungHyun Lee ,  Yewon Hong

IPC: G09G3/325 ,  G09G3/3275

Abstract: A display apparatus comprises a demultiplexing circuit portion that sequentially supplies data signals supplied from a data driving circuit to at least two data lines, and the demultiplexing circuit portion of the display apparatus comprises a switching portion that sequentially supplies the data signals to the at least two data lines based on a voltage of a control line; a voltage controller that controls the voltage of the control line in response to a time-division control signal; and a voltage discharge portion that discharges the voltage of the control line in response to the time-division control signal.

公开(公告)号：US11132955B2

公开(公告)日：2021-09-28

申请号：US16517178

申请日：2019-07-19

Applicant: LG Display Co., Ltd.

Inventor： JungHyun Lee ,  Yewon Hong ,  TaeWoong Moon

IPC: G09G3/32 ,  G09G3/36 ,  G09G3/20 ,  H01L27/32 ,  H03F3/50 ,  G09G3/3291 ,  G09G3/3225 ,  H01L27/12

Abstract: A display apparatus is disclosed, which comprises a demultiplexing circuit portion for sequentially supplying data signals supplied from a data driving circuit to at least two data lines, the demultiplexing circuit portion including a switching portion for sequentially supplying the data signals to at least two data lines based on a voltage of a control line, a voltage controller for controlling the voltage of the control line in response to a time-division control signal and an auxiliary signal partially overlapped with the time-division control signal, and a voltage discharge portion for discharging the voltage of the control line in response to the time-division control signal. Therefore, an off current capable of being transferred to an organic light emitting diode may be prevented from occurring, a bezel area may be minimized, and an image of high resolution of a display panel may be embodied.

公开(公告)号：US10665186B2

公开(公告)日：2020-05-26

申请号：US16158248

申请日：2018-10-11

Applicant: LG Display Co., Ltd.

Inventor： Yeonkyung Kim ,  TaeWoong Moon ,  JungHyun Lee ,  YongSeok Park

IPC: G09G3/36 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1362

Abstract: Disclosed is a display apparatus including a gate driving circuit, which stably holds an output signal during a touch sensing period. The display apparatus includes a display panel including a display area including a plurality of gate lines, a plurality of data lines, and a plurality of touch sensors, a gate driving circuit dividing the display area into a plurality of horizontal blocks and driving gate lines of a horizontal block by units of horizontal blocks at every display period in one frame, and a touch driving circuit sensing a touch through touch sensors of the horizontal block by units of horizontal blocks at every touch sensing period in the one frame. The gate driving circuit includes a plurality of driving stage groups each including a plurality of driving stages supplying a scan pulse to gate lines included in a corresponding horizontal block at every display period and a plurality of holding stage groups each including at least one holding stage supplying a carry signal to a rear driving stage group according to a voltage of a first control node and a voltage of a second control node based on first and second node control powers and an output signal supplied from a front driving stage group, the plurality of holding stages being disposed between the plurality of driving stage groups. Each of the first and second node control powers includes an alternating current (AC) voltage.

公开(公告)号：US10656743B2

公开(公告)日：2020-05-19

申请号：US16197314

申请日：2018-11-20

Applicant: LG DISPLAY CO., LTD.

Inventor： YongSeok Park ,  JungHyun Lee ,  Yeonkyung Kim

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36 ,  G02F1/1362 ,  H01L27/12

Abstract: A display apparatus includes a display panel including a display area including a plurality of gate lines, a plurality of data lines, and a plurality of touch sensors, a gate driving circuit dividing the display area into a plurality of horizontal blocks and driving gate lines of a horizontal block by units of horizontal blocks at every display period in one frame, and a touch driving circuit sensing a touch through touch sensors of the horizontal block by units of horizontal blocks at every touch sensing period in the one frame.

公开(公告)号：US10163383B2

公开(公告)日：2018-12-25

申请号：US15383957

申请日：2016-12-19

Applicant: LG Display Co., Ltd.

Inventor： JungHyun Lee

IPC: G09G3/20 ,  G02F1/1345 ,  G09G3/3266 ,  G09G3/36

Abstract: Disclosed is a display device that may include a GIP circuit, provided on a display area of a substrate, for supplying gate signals to gate lines, wherein the GIP circuit includes a thin film transistor provided in the boundaries between adjacent pixels.