公开(公告)号：US11543919B2

公开(公告)日：2023-01-03

申请号：US17410737

申请日：2021-08-24

Applicant: LG Display Co., Ltd.

Inventor： Man Hyeop Han ,  In Hyuk Song

IPC: G06F3/042 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52 ,  G06V40/12 ,  G06V40/13 ,  H01L27/146 ,  G06F3/041 ,  G09G3/3266 ,  G09G3/3291 ,  G02B5/20

Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes a display area in which a plurality of display pixels including a light emitting element are disposed, a sensing area in which a plurality of display pixels including a light emitting element and a plurality of sensor pixels including a photoelectric conversion element are disposed, and a touch sensor disposed on display area and the sensing area.

公开(公告)号：US12189226B2

公开(公告)日：2025-01-07

申请号：US18211255

申请日：2023-06-17

Applicant: LG Display Co., Ltd.

Inventor： Heesun Shin ,  Seok Woo Lee ,  Jae Sung Yu ,  Ju Han Kim ,  Sun Jung Lee ,  In Hyuk Song

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/041 ,  G06F3/044 ,  G06F3/047

Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

公开(公告)号：US20220067340A1

公开(公告)日：2022-03-03

申请号：US17410737

申请日：2021-08-24

Applicant: LG Display Co., Ltd.

Inventor： Man Hyeop Han ,  In Hyuk Song

IPC: G06K9/00 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: The present disclosure relates to a display panel and a display device using the same. The display panel includes a display area in which a plurality of display pixels including a light emitting element are disposed, a sensing area in which a plurality of display pixels including a light emitting element and a plurality of sensor pixels including a photoelectric conversion element are disposed, and a touch sensor disposed on display area and the sensing area.

公开(公告)号：USRE47839E1

公开(公告)日：2020-02-04

申请号：US15662126

申请日：2017-07-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Sun Jung Lee ,  In Hyuk Song ,  Heesun Shin

IPC: G06F3/041 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/1362

Abstract: An LCD device includes a plurality of gate lines and data lines cross-arranged on a lower substrate to define a plurality of pixels, a pixel electrode disposed in each of the pixels, a plurality of common electrode blocks pattern-formed that generate an electric field with the pixel electrode and sensing a touch of a user, a plurality of sensing lines, a plurality of pad parts arranged to be separated from each other at predetermined intervals along a corresponding sensing line, and having a line width thicker than the sensing line, and a contact part disposed between a corresponding pad part and a corresponding common electrode block, and electrically connecting a corresponding sensing line and the common electrode block. When the sensing lines are electrically connected to one of the common electrode blocks, the sensing lines are electrically insulated from the other common electrode blocks.

公开(公告)号：US10437118B2

公开(公告)日：2019-10-08

申请号：US15647215

申请日：2017-07-11

Applicant: LG Display Co., Ltd.

Inventor： Young Ki Jung ,  Jae Sung Yu ,  In Hyuk Song ,  Jae Hoon Park ,  Han Seok Lee

IPC: G02F1/1345 ,  G02F1/1362 ,  G06F3/041 ,  H01L27/12 ,  G02F1/1333 ,  G06F3/044 ,  H01L21/768

Abstract: Disclosed are an LCD device and a method of manufacturing the same, in which a passivation layer and a pixel electrode are simultaneously formed by a single mask process using a half tone mask, and thus, manufacturing efficiency increases, and a defective contact due to loss of the pixel electrode can be prevented in a pad area. The LCD device includes a pad part including a pad area and a contact area. The LCD device includes a pixel pad formed in the pad area, a pixel bar formed in the contact area, and a bridge layer contacting the pixel pad with the pixel bar. The bridge layer is formed as a single layer or multi layers, and formed of one or more of a transparent conductive material and an opaque conductive material.

公开(公告)号：USRE49402E1

公开(公告)日：2023-01-31

申请号：US16742692

申请日：2020-01-14

Applicant: LG DISPLAY CO., LTD.

Inventor： Sun Jung Lee ,  In Hyuk Song ,  Heesun Shin

IPC: G02F1/1335 ,  G02F1/1345 ,  G06F3/041 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/1362 ,  G02F1/1343

Abstract: An LCD device includes a plurality of gate lines and data lines cross-arranged on a lower substrate to define a plurality of pixels, a pixel electrode disposed in each of the pixels, a plurality of common electrode blocks pattern-formed that generate an electric field with the pixel electrode and sensing a touch of a user, a plurality of sensing lines, a plurality of pad parts arranged to be separated from each other at predetermined intervals along a corresponding sensing line, and having a line width thicker than the sensing line, and a contact part disposed between a corresponding pad part and a corresponding common electrode block, and electrically connecting a corresponding sensing line and the common electrode block. When the sensing lines are electrically connected to one of the common electrode blocks, the sensing lines are electrically insulated from the other common electrode blocks.

公开(公告)号：US10718968B2

公开(公告)日：2020-07-21

申请号：US15970716

申请日：2018-05-03

Applicant: LG Display Co., Ltd.

Inventor： Heesun Shin ,  Seok Woo Lee ,  Jae Sung Yu ,  Ju Han Kim ,  Sun Jung Lee ,  In Hyuk Song

IPC: G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/047

Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

公开(公告)号：US20170363903A1

公开(公告)日：2017-12-21

申请号：US15647215

申请日：2017-07-11

Applicant: LG Display Co., Ltd.

Inventor： Young Ki Jung ,  Jae Sung Yu ,  In Hyuk Song ,  Jae Hoon Park ,  Han Seok Lee

IPC: G02F1/1345 ,  G02F1/1362 ,  G06F3/044 ,  H01L27/12 ,  G02F1/1333 ,  H01L21/768 ,  G06F3/041

CPC classification number: G02F1/13452 ,  G02F1/1345 ,  G02F1/13458 ,  G02F1/136227 ,  G02F2001/133357 ,  G02F2001/136231 ,  G02F2001/136236 ,  G02F2001/13629 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  H01L21/76802 ,  H01L27/1244 ,  H01L27/1288

Abstract: Disclosed are an LCD device and a method of manufacturing the same, in which a passivation layer and a pixel electrode are simultaneously formed by a single mask process using a half tone mask, and thus, manufacturing efficiency increases, and a defective contact due to loss of the pixel electrode can be prevented in a pad area. The LCD device includes a pad part including a pad area and a contact area. The LCD device includes a pixel pad formed in the pad area, a pixel bar formed in the contact area, and a bridge layer contacting the pixel pad with the pixel bar. The bridge layer is formed as a single layer or multi layers, and formed of one or more of a transparent conductive material and an opaque conductive material.

公开(公告)号：USRE50295E1

公开(公告)日：2025-02-11

申请号：US18086261

申请日：2022-12-21

Applicant: LG Display Co., Ltd.

Inventor： Sun Jung Lee ,  In Hyuk Song ,  Heesun Shin

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1362 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1343

Abstract: An LCD device includes a plurality of gate lines and data lines cross-arranged on a lower substrate to define a plurality of pixels, a pixel electrode disposed in each of the pixels, a plurality of common electrode blocks pattern-formed that generate an electric field with the pixel electrode and sensing a touch of a user, a plurality of sensing lines, a plurality of pad parts arranged to be separated from each other at predetermined intervals along a corresponding sensing line, and having a line width thicker than the sensing line, and a contact part disposed between a corresponding pad part and a corresponding common electrode block, and electrically connecting a corresponding sensing line and the common electrode block. When the sensing lines are electrically connected to one of the common electrode blocks, the sensing lines are electrically insulated from the other common electrode blocks.

公开(公告)号：US11974486B2

公开(公告)日：2024-04-30

申请号：US17377129

申请日：2021-07-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Man Hyeop Han ,  In Hyuk Song ,  Seung Taek Oh

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  G06V40/13 ,  G09G3/3291 ,  H10K59/35 ,  H10K59/65

CPC classification number: H10K59/40 ,  G06F3/0412 ,  G06F3/0445 ,  G06V40/1306 ,  G09G3/3291 ,  H10K59/353 ,  H10K59/65

Abstract: A display device and a mobile terminal device including the same are provided, wherein the display device includes a display panel including a display area in which a plurality of display pixels are disposed, and a sensing area in which a plurality of display pixels and a plurality of sensor pixels are disposed. The display pixels of the display area and the display pixels of the first sensing area emit light by receiving a data voltage of an input image in a display mode. The sensor pixels in the first sensing area generate an electric currents according to light reflected from a fingerprint in a fingerprint recognition mode. A resolution of the display pixel is lower than a resolution of the sensor pixel in the first sensing area.