公开(公告)号：US11683970B2

公开(公告)日：2023-06-20

申请号：US17324505

申请日：2021-05-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunyoung Kim ,  Jong-Ryuk Park ,  Gyeongnam Bang ,  Kwangsik Lee ,  Jiyoun Lee

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52

CPC classification number: H01L27/323 ,  G06F3/0412 ,  G06F3/0446 ,  H01L27/3223 ,  H01L27/3244 ,  H01L51/0097 ,  H01L51/5253

Abstract: A display device includes a display panel including a hole area, a display area around the hole area, and a non-display area around the display area, a first-first insulating layer disposed in the hole area, sensing electrodes disposed on the display area, a crack detection pattern disposed on the first-first insulating layer in the hole area, a crack detection line disposed on the non-display area, and a connection pattern disposed in a first sensing electrode of the sensing electrodes disposed on the display area to be insulated from the sensing electrodes, and connected to the crack detection pattern and the crack detection line, the first sensing electrode being disposed between the hole area and the non-display area. An edge of the first-first insulating layer disposed at a boundary between the display area and the hole area has a step structure of at least two steps.

公开(公告)号：US11527725B2

公开(公告)日：2022-12-13

申请号：US16859894

申请日：2020-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Minje Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Jaejin Lyu

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset  Condition 1-1 T1(C3)max≥S1(C4)max  Condition 1-2 KRISC(C4)≥103S−1  Condition 2 f(C4)≥0.1.  Condition 3

公开(公告)号：US20220077425A1

公开(公告)日：2022-03-10

申请号：US17447040

申请日：2021-09-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoun Lee ,  Hyunyoung Kim ,  Sunbeom Kwon ,  Kyuree Kim ,  Rohyeon Park ,  Jongryuk Park ,  Insuk Yang

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: A display apparatus includes: a substrate including a first area, a second area, and a third area; a display element on the substrate; a thin-film encapsulation layer covering the display element; a first dam portion at the third area, the first dam portion being adjacent to the second area; a second dam portion at the third area, and spaced from the first dam portion; and at least one groove at the third area.