公开(公告)号：US12108667B2

公开(公告)日：2024-10-01

申请号：US17293309

申请日：2019-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Kyungsik Kim ,  Sungwook Kim ,  Sung-Soo Bae ,  Jaeweon Hur

IPC: H01L51/00 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/6572 ,  H10K85/40 ,  H10K85/615 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/11 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer and a second electrode on the electron transport region, wherein the emission layer includes a spiro compound containing an aryl amine group and an indenoindole derivative, thereby showing high emission efficiency and the emission layer emits green light.

公开(公告)号：US12062334B2

公开(公告)日：2024-08-13

申请号：US18139975

申请日：2023-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Sungwook Kim ,  Chanyeob Seol ,  Yunjung Oh ,  Jeong-Soo Lee ,  Jina Lee ,  Seongbaik Chu

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A pixel may include a light emitting diode which includes an anode and a cathode, a first transistor which includes a first source region, a first drain region electrically connected to the anode, a first channel region, and a first gate electrode, a first sub-transistor which includes a first sub-source region connected to the first drain region, a first sub-drain region, a first sub-channel region, and a first sub-gate electrode, a second sub-transistor which includes a second sub-source region connected to the first sub-drain region, a second sub-drain region connected to the first gate electrode, a second sub-channel region, and a second sub-gate electrode, a storage line which overlaps the first sub-drain region and the second sub-source region, and a first hold pattern which overlaps the first sub-drain region, the second sub-source region, and the storage line, and connected to the first sub-drain region and the second sub-source region.

公开(公告)号：US11944003B2

公开(公告)日：2024-03-26

申请号：US17313493

申请日：2021-05-06

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Wonjun Song ,  Jinsoo Hwang ,  Changwoong Chu

IPC: H10K85/60 ,  H10K50/11 ,  H10K59/35

CPC classification number: H10K85/633 ,  H10K85/636 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K59/35 ,  H10K85/615 ,  H10K85/624 ,  H10K85/626 ,  H10K85/6572

Abstract: An organic light-emitting device having a low driving voltage, high efficiency, and a long lifespan is provided. The device 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, a first compound, and a second compound. Various chemical structures for the first compound and the second compound are provided.

公开(公告)号：US11778844B2

公开(公告)日：2023-10-03

申请号：US16901672

申请日：2020-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  SeulOng Kim ,  Tsuyoshi Naijo ,  Sung-Soo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seung-Jin Chu ,  Jaeweon Hur

IPC: H01L27/32 ,  H01L27/15 ,  H01L33/08 ,  H01L33/14 ,  H01L33/26 ,  H01L33/50 ,  H01L33/36 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US11437604B2

公开(公告)日：2022-09-06

申请号：US16851174

申请日：2020-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US20210005844A1

公开(公告)日：2021-01-07

申请号：US16851174

申请日：2020-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US10665789B2

公开(公告)日：2020-05-26

申请号：US15365522

申请日：2016-11-30

Applicant: Samsung Display Co., Ltd

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Wonjun Song ,  Jinsoo Hwang ,  Changwoong Chu

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/02

Abstract: An organic light-emitting device having a low driving voltage, high efficiency, and a long lifespan is provided. The device 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, a first compound, and a second compound. Various chemical structures for the first compound and the second compound are provided.

公开(公告)号：US10050216B2

公开(公告)日：2018-08-14

申请号：US14689656

申请日：2015-04-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Jaehong Kim ,  Jinsoo Hwang

IPC: C07D307/81 ,  H01L51/00 ,  C07D333/58 ,  C07D409/10 ,  C07D409/14 ,  C07D405/10 ,  C07D405/04 ,  C07D403/10 ,  C07D403/04 ,  C09K11/06 ,  H01L51/50

Abstract: A condensed cyclic compound and an organic light-emitting device, the condensed cyclic compound being represented by one of the following Formulae 1 or 2: