公开(公告)号：US20200181045A1

公开(公告)日：2020-06-11

申请号：US16518917

申请日：2019-07-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Eungdo Kim ,  Eunju Nam ,  Seunguk Noh ,  Jongwon Park ,  Hyunwoo Lee ,  Jaekook Ha

IPC: C07C13/58 ,  C07C13/66 ,  C07D209/94 ,  C07D307/91 ,  C07D333/76 ,  C07C43/263 ,  C07D403/04 ,  C07D471/04 ,  C07D491/048 ,  C07D495/04 ,  C07D403/14 ,  H01L51/50 ,  H01L51/00

Abstract: Provided are a condensed cyclic compound, a composition including the same, and an organic light-emitting device including a thin film formed from the composition. The condensed cyclic compound is represented by following Formula, has a molecular weight of about 400 to about 10,000, and comprises at least one cross-linkable group:

公开(公告)号：US10446069B2

公开(公告)日：2019-10-15

申请号：US16228679

申请日：2018-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunwoong Kim ,  Seung-kyu Lee ,  Kwang-min Kim ,  Jongwon Park

IPC: G09G3/00 ,  G01N21/958 ,  H05K1/02

Abstract: A display device includes a display panel, a first inspection line, a second inspection line, and an inspection circuit controlling a connection between the first inspection line and a first pixel group and a connection between the second inspection line and the second pixel group. The inspection circuit includes a switching part including a first switching part that controls the connection between the first inspection line and the first pixel group and a second switching part that controls the connection between the second inspection line and the second pixel group and a dummy circuit including a dummy transistor that is electrically connected to the switching part and including a first dummy electrode, a second dummy electrode that is connected to the first dummy electrode, and a dummy control electrode.

公开(公告)号：US20180130951A1

公开(公告)日：2018-05-10

申请号：US15801762

申请日：2017-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Jaekook Ha ,  Dukki Kim ,  Jongwon Park

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

CPC classification number: H01L51/0058 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  H01L51/0003 ,  H01L51/0007 ,  H01L51/0037 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/56 ,  H01L2251/556

Abstract: Provided are an ink composition, an organic light-emitting device using the ink composition, and a method of manufacturing an organic light-emitting device using the ink composition. The ink composition contains a compound represented by Formula 1, an amine-based compound, and a polar solvent: wherein, in Formula 1, L1 and L2 are each independently a substituted or unsubstituted C5-C60 carbocyclic group or a substituted or unsubstituted C1-C60 heterocyclic group. Details about the compound of Formula 1, the amine-based compound, and the polar solvent are provided.

公开(公告)号：US11777058B2

公开(公告)日：2023-10-03

申请号：US16943829

申请日：2020-07-30

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Changhee Lee ,  Yunhyuk Ko ,  Dukki Kim ,  Jongwon Park ,  Jaekook Ha

IPC: H01L33/26 ,  H01L25/075 ,  G09F9/33

CPC classification number: H01L33/26 ,  H01L25/0753 ,  G09F9/33

Abstract: A light-emitting device (LED) includes a first semiconductor layer, a second semiconductor layer facing the first semiconductor layer, an insulating layer arranged to at least partially surround outer surfaces of the first semiconductor layer and the second semiconductor layer, and a first ligand bonded to a surface of the insulating layer and a second ligand bonded to the first ligand.

公开(公告)号：US20230116559A1

公开(公告)日：2023-04-13

申请号：US17964893

申请日：2022-10-12

Applicant: Samsung Display Co., LTD.

Inventor： KYOUNGJIN PARK ,  Jongwon Park

IPC: G09G3/3233 ,  G09G3/32 ,  G09G3/3266

Abstract: A pixel includes a light emitting element, a driving transistor configured to control a driving current provided to the light emitting element, and an initialization transistor configured to provide a first initialization voltage to a gate of the driving transistor, and turned on in response to an initialization gate signal. A voltage level of the first initialization voltage in a blank period of a low-frequency driving mode is higher than a voltage level of the first initialization voltage in the blank period of a high-frequency driving mode.

公开(公告)号：US11329232B2

公开(公告)日：2022-05-10

申请号：US16375806

申请日：2019-04-04

Applicant: Samsung Display Co., Ltd.

Inventor： Dongwoo Shin ,  Dukki Kim ,  Sehun Kim ,  Jaeyun Kim ,  Jongwon Park ,  Seungmook Lee ,  Jaekook Ha

IPC: H01L51/00 ,  C07D209/86 ,  C07D307/91 ,  H01L51/50

Abstract: Provided are an organic light-emitting device including an arylamine-based compound including a thermally decomposable group, and an arylamine-based compound including a thermally decomposable group. The organic light-emitting device includes: a first electrode; a second electrode facing a first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including an arylamine-based compound in which the thermally decomposable group has been thermally decomposed and removed from the arylamine-based compound including the thermally decomposable group.

公开(公告)号：US10686018B2

公开(公告)日：2020-06-16

申请号：US16562987

申请日：2019-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunwoong Kim ,  Seungkyu Lee ,  Wonkyu Kwak ,  Jongwon Park

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device and a method of manufacturing the display device are provided. A display device includes: a plurality of first emission areas and a plurality of second emission areas alternately arranged at centers of virtual quadrangles aligned adjacent to each other in a row direction and a column direction; and a plurality of third areas respectively arranged at vertexes of the virtual quadrangles, and a difference between planar areas of the first to third emission areas is less than 25% of a largest planar area among the planar areas of the first to third emission areas.