公开(公告)号：US10475868B2

公开(公告)日：2019-11-12

申请号：US15923792

申请日：2018-03-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Jaesoo Park ,  Dongchae Shin

IPC: H01L27/32 ,  H01L51/00

Abstract: A flexible display device according to an embodiment includes a flexible plate including a display area, a non-display area surrounding the display area, an edge bending area near the display area in the non-display area and a pad area extending from the edge bending area; a first thin film transistor in the display area on the flexible plate; a first line disposed in the edge bending area on the flexible plate; a first buffer layer covering the first line; a second line on the first buffer layer in the edge bending area; a second buffer layer covering the second line; a connecting electrode is electrically connected the first line and the second line in the edge bending area; and a plurality of trenches disposed at the edge bending area and penetrating the second buffer layer and the first buffer layer.

公开(公告)号：US11646319B2

公开(公告)日：2023-05-09

申请号：US17109941

申请日：2020-12-02

Applicant: LG Display Co., Ltd.

Inventor： Sunghoon Kim ,  Dongchae Shin ,  KyungMo Son

IPC: H01L27/12 ,  H01L27/15 ,  H01L27/32 ,  H01L25/16 ,  H01L25/07 ,  H01L51/00

CPC classification number: H01L27/1218 ,  G09G2300/0408 ,  G09G2300/0804 ,  H01L25/167 ,  H01L27/156 ,  H01L27/3244 ,  H01L51/0097

Abstract: Embodiments of the disclosure are related to polyimide substrates and display devices, a plurality of intaglio patterns are formed on at least a portion of one surface of a polyimide substrate, a high transmissive filling is disposed inside the intaglio pattern, thus an overall transmittance of the polyimide substrate is enhanced. Furthermore, the filling having a certain range of a coefficient of thermal expansion is disposed in the intaglio pattern to maintain a heat resistance of the polyimide substrate, an element being required a high temperature process could be disposed on the polyimide substrate having an enhanced transmittance.

公开(公告)号：US10026794B2

公开(公告)日：2018-07-17

申请号：US15366725

申请日：2016-12-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Daegyu Jo ,  Wonsang Ryu ,  Youngkyu Song ,  Dongchae Shin ,  Seungeun Pyo

IPC: H01L27/32 ,  G02F1/13 ,  G02F1/1362 ,  H01L27/12 ,  H01L51/52

Abstract: A display device is discussed. The display device according to an embodiment includes a substrate, a display region disposed over the substrate and including a plurality of subpixels, and a data pad part disposed in regions other than the display region. The data pad part includes a data signal line extended from the display region, an insulating film disposed on the data signal line and insulating the data signal line, a data pad electrode disposed on the insulating film and connected to the data signal line through the via hole, and an insulating pattern configured to cover the via hole. The data pad electrode can include at least one electrode hole.

公开(公告)号：US12302706B2

公开(公告)日：2025-05-13

申请号：US18211757

申请日：2023-06-20

Applicant: LG Display Co., Ltd.

Inventor： Moonho Park ,  Sangsoon Noh ,  Dongchae Shin ,  Sunyoung Choi ,  Mijin Jeong

IPC: H10K59/121 ,  G06F3/041 ,  G06F3/044 ,  H10K59/123 ,  H10K59/124 ,  H10K59/126 ,  H10K59/131 ,  H10K59/40 ,  H10K59/80 ,  G09G3/3233

Abstract: A thin film transistor, in one or more examples, includes a semiconductor layer, an upper gate electrode overlapped with the semiconductor layer, an upper insulating layer disposed between the semiconductor layer and the upper gate electrode, a first lower gate electrode overlapped with the semiconductor layer, a second lower gate electrode disposed between the semiconductor layer and the first lower gate electrode, overlapped with the semiconductor layer, and configured to have a width smaller than that of the upper gate electrode, a first lower insulating layer disposed between the first lower gate electrode and the second lower gate electrode, and a second lower insulating layer disposed between the second lower gate electrode and the semiconductor layer. A display apparatus including a thin film transistor is also disclosed.

公开(公告)号：US20240107805A1

公开(公告)日：2024-03-28

申请号：US18213047

申请日：2023-06-22

Applicant: LG Display Co., Ltd.

Inventor： Mijin Jeong ,  Sangsoon Noh ,  Dongchae Shin ,  Sunyoung Choi ,  Moonho Park

IPC: H10K59/121 ,  H01L27/12

CPC classification number: H10K59/1213 ,  H01L27/1222

Abstract: The present disclosure relates to an organic light emitting display device, and more particularly, to a thin film transistor using an oxide semiconductor material for a plurality of thin film transistors constituting a circuit portion of a sub-pixel and a display panel including the thin film transistor. The plurality of thin film transistors includes a plurality of switching transistors and a driving transistor. Each of the plurality of switching transistors has a first dose, and the driving transistor has a second dose different from the first dose.

公开(公告)号：US20230389380A1

公开(公告)日：2023-11-30

申请号：US18199001

申请日：2023-05-18

Applicant: LG Display Co., Ltd.

Inventor： Dongchae Shin ,  Sangsoon Noh ,  Mijin Jeong

IPC: H10K59/131 ,  H10K59/88 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/88 ,  H10K59/1213

Abstract: Provided is an organic light emitting display device in which a driving thin film transistor (TFT) includes an oxide semiconductor pattern. The driving thin film transistor includes a gate electrode disposed under an oxide semiconductor pattern, and a dummy electrode, a source electrode and a drain electrode over the oxide semiconductor pattern, and the dummy electrode is electrically connected to the source electrode to increase the S-factor of the driving TFT. In addition, the organic light emitting display device of the present disclosure includes a plurality of switching TFTs including an oxide semiconductor pattern, and the plurality of switching TFTs includes a plurality of switching thin film transistors having different distances between the oxide semiconductor pattern and the gate electrode so as to have different threshold voltages.

公开(公告)号：US09954043B2

公开(公告)日：2018-04-24

申请号：US15385430

申请日：2016-12-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Jaesoo Park ,  Dongchae Shin

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/00

CPC classification number: H01L27/3258 ,  H01L27/3262 ,  H01L27/3272 ,  H01L27/3276 ,  H01L51/0097 ,  H01L2251/5338 ,  Y02E10/549

Abstract: The present disclosure relates to a flexible organic light emitting diode display having an edge bending structure. The organic light emitting diode display according to an embodiment includes a flexible plate including a display area, a non-display area surrounding the display area, and an edge bending area near the display area in the non-display area; a first line disposed in the non-display area on the flexible plate; a first buffer layer covering the first line; a second line on the first buffer layer in the non-display area; a second buffer layer covering the second line; gate elements disposed on the second buffer layer; an intermediate insulating layer covering the gate elements; data elements, and a connecting electrode connecting the first line to the second line on the intermediate insulating layer; and a plurality of trenches disposed at the edge bending area and penetrating the intermediate insulating layer, the second buffer layer and the first buffer layer.