公开(公告)号：US20210119168A1

公开(公告)日：2021-04-22

申请号：US17131555

申请日：2020-12-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： MINSOO CHOI ,  MINJE KIM ,  EUNG DO KIM ,  HYUNYOUNG KIM ,  HYOJEONG KIM ,  HYOSUP SHIN ,  SEOKGYU YOON ,  YOUNGKI LEE ,  JUNGSUB LEE ,  JIYOUNG LEE ,  HYEJIN JUNG ,  KUNWOOK CHO ,  HYEON GU CHO ,  YOUNGEUN CHOI ,  JAEJIN LYU

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

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a host having a first luminescent onset wavelength, a first dopant having a second luminescent onset wavelength, and a second dopant different from the first dopant and having a third luminescent onset wavelength. The third luminescent onset wavelength is greater than each of the first luminescent onset wavelength and the second luminescent onset wavelength, and the device has improved emission efficiency and/or long-lifespan characteristics.

公开(公告)号：US20210367000A1

公开(公告)日：2021-11-25

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: H01L27/32 ,  G06F3/044 ,  G06F3/041

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：US20250169282A1

公开(公告)日：2025-05-22

申请号：US18732836

申请日：2024-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JONGRYUK PARK ,  HYUNYOUNG KIM

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

Abstract: A display apparatus includes a substrate including a display area and a peripheral area outside the display area. A first active pattern is arranged in the display area. A first gate electrode is disposed of the first active pattern. A second active pattern is disposed on the first gate electrode. A second gate electrode is disposed on the second active pattern. A dummy pattern is arranged in the peripheral area. The dummy pattern extends in a first direction. The dummy pattern is disposed on a same layer as the second gate electrode.

公开(公告)号：US20250107313A1

公开(公告)日：2025-03-27

申请号：US18896608

申请日：2024-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNYOUNG KIM

IPC: H10K50/11 ,  C09K11/06 ,  H10K59/38 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K102/00

Abstract: A light-emitting element, a heterocyclic compound for the light-emitting element, and a display device including the light-emitting element are provided. The light-emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a first compound represented by Formula 1.

公开(公告)号：US20240429218A1

公开(公告)日：2024-12-26

申请号：US18618854

申请日：2024-03-27

Applicant: Samsung Display Co., LTD.

Inventor： OUKJAE LEE ,  TAEGON KIM ,  HYUNYOUNG KIM ,  JONG-RYUK PARK

IPC: H01L25/16 ,  H01L23/544

Abstract: A display device includes: a display panel including a display area and a surrounding area surrounding the display area; a gate driver in the surrounding area of the display panel; and a bottom panel below the display panel and including a cutout area having a width in a range of 1 micrometers (μm) to 160 μm in a first direction in a plan view.

公开(公告)号：US20210273205A1

公开(公告)日：2021-09-02

申请号：US17143338

申请日：2021-01-07

Applicant: Samsung Display Co., LTD.

Inventor： JIYOUN LEE ,  HYUNYOUNG KIM ,  ROHYEON PARK ,  JONG-RYUK PARK ,  CHANGWOOK KANG

IPC: H01L51/56 ,  H01L51/00 ,  H01L51/52

Abstract: A manufacturing method of a display device includes providing a first organic layer in a display area and a non-display area, to cover a pixel electrode and a pad electrode, respectively, providing a first electrode of a light emitting element, in the display area, the first organic layer being between the pixel electrode and the first electrode, after forming the first electrode, removing a portion of the first organic layer which is in the non-display area, to expose the pad electrode from the first organic layer; and providing a light emitting layer of the light emitting element, corresponding to the first electrode.

公开(公告)号：US20210098716A1

公开(公告)日：2021-04-01

申请号：US17035552

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： JUNGSUB LEE ,  HYUNYOUNG KIM ,  JIYOUNG LEE ,  HYEJIN JUNG ,  MINJE KIM ,  EUNG DO KIM ,  HYOJEONG KIM ,  HYOSUP SHIN ,  SEOKGYU YOON ,  YOUNGKI LEE ,  KUNWOOK CHO ,  HYEON GU CHO ,  MINSOO CHOI ,  YOUNGEUN CHOI ,  HYEIN JEONG ,  JAEJIN LYU

IPC: H01L51/00

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4: Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.

公开(公告)号：US20190229166A1

公开(公告)日：2019-07-25

申请号：US16373102

申请日：2019-04-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYUNYOUNG KIM ,  DOHOON KIM

IPC: H01L27/32

Abstract: An organic light-emitting display apparatus includes a thin-film transistor on a substrate, a planarization layer on the thin-film transistor, and a pixel-defining spacer on the planarization layer. The pixel-defining spacer defines a pixel area between two pixels that are adjacent in a first direction.

公开(公告)号：US20240155937A1

公开(公告)日：2024-05-09

申请号：US18357774

申请日：2023-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNYOUNG KIM

IPC: H10K85/40 ,  C07F7/08 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K85/60

CPC classification number: H10K85/40 ,  C07F7/0812 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K85/658

Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers between the first electrode and the second electrode, wherein at least one functional layer among the plurality of functional layers includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound represented by Formula 3. Formula 1, Formula 2 and Formula 3 are the same as described in the detailed descriptions.

公开(公告)号：US20220328766A1

公开(公告)日：2022-10-13

申请号：US17683546

申请日：2022-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： HYOSUP SHIN ,  JIYOUNG LEE ,  HYUNYOUNG KIM ,  TSUYOSHI NAIJO

IPC: H01L51/00

Abstract: Provided is a light emitting diode including a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including a polycyclic compound represented by Formula 1, thereby exhibiting high luminous efficiency and improved lifespan characteristics.