公开(公告)号：US20160259195A1

公开(公告)日：2016-09-08

申请号：US15156243

申请日：2016-05-16

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 ,  G02F1/1343 ,  G06F3/047 ,  G02F1/1368 ,  G06F3/041 ,  G02F1/1335 ,  G02F1/1362

CPC classification number: G02F1/13338 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/134372 ,  G02F2001/136295 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103

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.

Abstract translation: 公开了一种LCD装置，其通过使用用于形成电场的公共电极来驱动液晶作为感测电极，并且从液晶面板的上表面去除触摸屏，实现了减小的厚度，简化的处理和降低的成本， 所述LCD装置包括彼此相交的栅极和数据线，以在下基板上限定多个像素; 在所述多个像素中的每一个中的像素电极; 在与像素电极不同的层处图案化的多个公共电极块，其中公共电极块与像素电极一起形成电场并感测用户的触摸; 以及与公共电极块电连接的多个感测线，其中，如果感测线与公共电极块中的一个电连接，则感测线与剩余的公共电极块绝缘。

公开(公告)号：US20180252956A1

公开(公告)日：2018-09-06

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 ,  G02F1/1335 ,  G02F1/1343 ,  G06F3/041 ,  G02F1/1362 ,  G06F3/047 ,  G06F3/044 ,  G02F1/1368

CPC classification number: G02F1/13338 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/134372 ,  G02F2001/136295 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103

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：US20230333422A1

公开(公告)日：2023-10-19

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 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/047

CPC classification number: G02F1/13338 ,  G06F3/0412 ,  G06F3/0443 ,  G06F3/041 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G06F3/047 ,  G06F2203/04103 ,  G02F1/133302 ,  G02F1/134372 ,  G02F1/136295

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：US20250093695A1

公开(公告)日：2025-03-20

申请号：US18969118

申请日：2024-12-04

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: A display device may include: a first data line electrically connected to a first thin film transistor; a first pixel electrode electrically connected with the first thin film transistor; a second data line electrically connected to a second thin film transistor; a second pixel electrode electrically connected with the second thin film transistor; a first touch sensing electrode corresponding to the first pixel electrode and insulated from the first pixel electrode; a second touch sensing electrode corresponding to the second pixel electrode and insulated from the second pixel electrode; a first sensing line electrically connected with the first touch sensing electrode; and a second sensing line electrically connected with the second touch sensing electrode, wherein the first data line overlaps with the first touch sensing electrode and the second touch sensing electrode, and the second data line overlaps with the first touch sensing electrode and the second touch sensing electrode.

公开(公告)号：US20200319491A1

公开(公告)日：2020-10-08

申请号：US16908931

申请日：2020-06-23

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：US20180240855A1

公开(公告)日：2018-08-23

申请号：US15961620

申请日：2018-04-24

Applicant: LG Display Co., Ltd.

Inventor： Seok Woo LEE ,  Seong Pil CHO

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786 ,  H01L29/49

CPC classification number: H01L27/3262 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1248 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3258 ,  H01L27/3265 ,  H01L27/3272 ,  H01L29/4908 ,  H01L29/78633 ,  H01L29/78675 ,  H01L29/7869 ,  H01L2227/323

Abstract: An organic light emitting display device includes a driving TFT on the substrate, a switching TFT on the substrate, and an organic light emitting diode. The driving TFT includes a first active layer formed of poly-Si, and at least a first part of an interlayer insulation layer on the first active layer. The interlayer insulation layer is formed of a first material including hydrogen. The switching TFT includes a second active layer, at least a second part of the interlayer insulation layer between the first active layer and the second active layer, and at least a part of a gate insulation layer between the second part of the interlayer insulation layer and the second active layer. The gate insulation layer is formed from a second material different from the first material and blocking diffusion of hydrogen from the interlayer insulation layer to the second active layer.

公开(公告)号：US20180012947A1

公开(公告)日：2018-01-11

申请号：US15624559

申请日：2017-06-15

Applicant: LG Display Co., Ltd.

Inventor： Seok Woo LEE ,  Seong Pil CHO

IPC: H01L27/32 ,  H01L29/49 ,  H01L27/12 ,  H01L29/786

CPC classification number: H01L27/3262 ,  H01L27/1225 ,  H01L27/1248 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/3258 ,  H01L27/3265 ,  H01L27/3272 ,  H01L29/4908 ,  H01L29/78633 ,  H01L29/78675 ,  H01L29/7869 ,  H01L2227/323

Abstract: An organic light emitting display device includes a driving TFT on the substrate, a switching TFT on the substrate, and an organic light emitting diode. The driving TFT includes a first active layer formed of poly-Si, and at least a first part of an interlayer insulation layer on the first active layer. The interlayer insulation layer is formed of a first material including hydrogen. The switching TFT includes a second active layer, at least a second part of the interlayer insulation layer between the first active layer and the second active layer, and at least a part of a gate insulation layer between the second part of the interlayer insulation layer and the second active layer. The gate insulation layer is formed from a second material different from the first material and blocking diffusion of hydrogen from the interlayer insulation layer to the second active layer.