公开(公告)号：US12002821B2

公开(公告)日：2024-06-04

申请号：US17358640

申请日：2021-06-25

Applicant: Samsung Display Co., Ltd.

Inventor： Joongeol Kim ,  Seulki Kim ,  Youngjae Jeon ,  Hyunseong Kang ,  Seungrae Kim ,  Jongin Kim ,  Seokhwan Bang ,  Seungsok Son ,  Donghoon Shin ,  Kapsoo Yoon ,  Kwangsoo Lee ,  Woogeun Lee ,  Jaehyun Lee ,  Kisu Jin ,  Junewhan Choi ,  Jongmoo Huh ,  Jiyun Hong

IPC: H01L27/12 ,  H01L25/16 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H01L27/1288 ,  H01L25/167 ,  H01L27/124 ,  H01L27/1248 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: A display apparatus includes a substrate including a display area and a peripheral area adjacent to the display area, a thin-film transistor located in the display area of the substrate and including a semiconductor layer and a gate electrode overlapping a channel region of the semiconductor layer, a conductive layer disposed between the substrate and the semiconductor layer and including a first electrode located in the display area of the substrate and a pad electrode located in the peripheral area of the substrate, and a first insulating layer disposed between the conductive layer and the semiconductor layer and having a first opening that exposes at least a portion of an upper surface of the pad electrode.

公开(公告)号：US12063817B2

公开(公告)日：2024-08-13

申请号：US17406579

申请日：2021-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seungrae Kim ,  Hyun Kim ,  Shoyeon Kim ,  Seulki Kim ,  Youngrok Kim ,  Kwangsoo Lee ,  Jaehyun Lee ,  Hyunsoo Lee ,  Kisu Jin

IPC: H01L27/32 ,  H01L51/56 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1213 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: A display apparatus includes a substrate including a display area and a peripheral area; a thin-film transistor disposed on the substrate and including a semiconductor layer; a conductive layer disposed between the substrate and the semiconductor layer and including a pad electrode disposed in the peripheral area; a first insulating layer disposed between the conductive layer and the semiconductor layer and including a first opening exposing at least a part of an upper surface of the pad electrode; and a second insulating layer disposed on the thin-film transistor and including a second opening coinciding with the first opening, wherein an opening area of the second opening of the second insulating layer is greater than an opening area of the first opening of the first insulating layer.

公开(公告)号：US20220139970A1

公开(公告)日：2022-05-05

申请号：US17358640

申请日：2021-06-25

Applicant: Samsung Display Co., Ltd.

Inventor： Joongeol Kim ,  Seulki Kim ,  Youngjae Jeon ,  Hyunseong Kang ,  Seungrae Kim ,  Jongin KIM ,  Seokhwan Bang ,  Seungsok Son ,  Donghoon Shin ,  Kapsoo Yoon ,  Kwangsoo Lee ,  Woogeun Lee ,  Jaehyun Lee ,  Kisu Jin ,  Junewhan Choi ,  Jongmoo Huh ,  Jiyun Hong

IPC: H01L27/12 ,  H01L27/32 ,  H01L51/56 ,  H01L25/16

Abstract: A display apparatus includes a substrate including a display area and a peripheral area adjacent to the display area, a thin-film transistor located in the display area of the substrate and including a semiconductor layer and a gate electrode overlapping a channel region of the semiconductor layer, a conductive layer disposed between the substrate and the semiconductor layer and including a first electrode located in the display area of the substrate and a pad electrode located in the peripheral area of the substrate, and a first insulating layer disposed between the conductive layer and the semiconductor layer and having a first opening that exposes at least a portion of an upper surface of the pad electrode.