公开(公告)号：US11690289B2

公开(公告)日：2023-06-27

申请号：US17071757

申请日：2020-10-15

Applicant: Samsung Display Co., Ltd. ,  Doosan Solus Co., Ltd.

Inventor： Seulong Kim ,  Hojun Son ,  Hyobum Song ,  Jaehoon Hwang ,  Hoemoon Kim ,  Hocheol Park ,  Minsik Eum ,  Songie Han

IPC: H01L51/50 ,  H01L51/00 ,  C07D471/04

CPC classification number: H01L51/0072 ,  H01L51/0052 ,  H01L51/0067 ,  C07D471/04 ,  H01L51/5072

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one heterocyclic compound represented by Formula 1:




The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.

公开(公告)号：US20230005994A1

公开(公告)日：2023-01-05

申请号：US17556031

申请日：2021-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Eungyoung Park ,  Jiyoung Song ,  Hajin Song ,  Jaehoon Hwang

IPC: H01L27/32 ,  C09K11/06 ,  H01L51/00

Abstract: A display apparatus, comprising a substrate; a light-emitting device layer arranged on the substrate, wherein the light-emitting device layer comprises a first, second, and third areas, and at least one light-emitting device emitting a first light; and a color conversion layer arranged on the light-emitting device layer, wherein the color conversion layer comprises first, second, and third color conversion areas, wherein the first color conversion area emits a first color light, the second color conversion area emits a second color light, the third color conversion area emits a third color light, a maximum emission wavelength of the first, second, and third color lights are greater than a maximum emission wavelength of the first light, a color of the third color light is identical to that of the first light, and the maximum emission wavelength of the third color light is greater than the maximum emission wavelength of the first light.

公开(公告)号：US11117910B2

公开(公告)日：2021-09-14

申请号：US16169371

申请日：2018-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Myeongsuk Kim ,  Jimyoung Ye ,  Hyoyeon Kim ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07F15/00 ,  H01L51/50

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound represented by Formula 1, and an organic light-emitting apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and at least one of the organometallic compound represented by Formula 1.

公开(公告)号：US11043642B2

公开(公告)日：2021-06-22

申请号：US15942198

申请日：2018-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soobyung Ko ,  Myeongsuk Kim ,  Heungsu Park ,  Jimyoung Ye ,  Byeongwook Yoo ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07F3/06 ,  C07F15/00 ,  C09K11/02 ,  C09K11/06 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device, the organic light emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, the emission layer including an organometallic compound having a predetermined formula.

公开(公告)号：US20200075869A1

公开(公告)日：2020-03-05

申请号：US16518346

申请日：2019-07-22

Applicant: Samsung Display Co., Ltd.

Inventor： Taekyung Kim ,  Sunwoo Kang ,  Pilgu Kang ,  Jiyoung Kwon ,  Soonchul Chang ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07D471/16 ,  C09K11/06 ,  C07D471/06

Abstract: Provided are an organic light-emitting device having improved luminescent efficiency and a compound.

公开(公告)号：US09985252B2

公开(公告)日：2018-05-29

申请号：US14671191

申请日：2015-03-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeyoung Lee ,  Myoungki Kim ,  Daeyong Yoon ,  Jaesung Lim ,  Jaehoon Hwang

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5281 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5275 ,  H01L51/5284

Abstract: Provided is an organic light-emitting device including: a substrate; an anode on the substrate; an organic layer on the anode and including an emission layer; a cathode on the organic layer; an optical auxiliary layer on the cathode; and a capping layer on the optical auxiliary layer, wherein, in a visible light region, the optical auxiliary layer has a lower refractive index and a higher absorption coefficient as the capping layer.

公开(公告)号：US20170282212A1

公开(公告)日：2017-10-05

申请号：US15475925

申请日：2017-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Seongjong KANG ,  Myoungki Kim ,  Jaeyoung Lee ,  Jaehoon Hwang ,  Jun Hwang

IPC: B05D1/32 ,  B05C21/00

Abstract: A mask frame assembly including a frame having an opening, a mask having a first end and a second end supported on the frame, and a first member disposed between the first end of the mask and the frame, the first member including a material having a coefficient of thermal expansion greater than that of the mask. A method of manufacturing a display apparatus using the mask frame assembly also is disclosed.

公开(公告)号：US20250143184A1

公开(公告)日：2025-05-01

申请号：US18924799

申请日：2024-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Seungcheol Kim ,  Hakchoong Lee ,  Changmin Lee ,  Yoonhyeung Cho ,  Jaehoon Hwang

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K85/30

Abstract: A light-emitting device may include a first electrode, a second electrode opposite the first electrode, and an interlayer arranged between the first electrode and the second electrode, wherein the interlayer may include a first emission layer and an electron transport region between the first emission layer and the second electrode, the first emission layer may include a 1a emission layer and a 1b emission layer between the 1a emission layer and the electron transport region, and the 1b emission layer may include a low-refractive-index host having a refractive index of about 1.8 or less.

公开(公告)号：US12274123B2

公开(公告)日：2025-04-08

申请号：US17591091

申请日：2022-02-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Seulong Kim ,  Hajin Song ,  Jihwan Yoon ,  Hyekyun Lee ,  Dongseob Jeong ,  Jaehoon Hwang

IPC: H01L33/00 ,  H10K50/13 ,  H10K50/852 ,  H10K59/38 ,  H10K101/00

Abstract: A light emitting device includes: a first electrode; a hole transport region disposed on the first electrode; a first emission layer disposed on the hole transport region, and which emits light of a first wavelength; a second emission layer disposed on the hole transport region, and which emits light of a second wavelength different from the first wavelength; an electron transport region disposed on the first emission layer and the second emission layer; a second electrode disposed on the electron transport region; and a capping layer disposed on the second electrode. In exit light emitted to an upper surface of the capping layer, the exit light has a maximum intensity at an azimuth angle of about 25° to about 35°.

公开(公告)号：US20250098401A1

公开(公告)日：2025-03-20

申请号：US18615736

申请日：2024-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwon Lee ,  Hakchoong Lee ,  Kayoung Lee ,  Changmin Lee ,  Jaehoon Hwang

IPC: H10K50/13 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K59/123 ,  H10K59/38

Abstract: Provided is a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode. The interlayer includes emission layers, charge generation layers arranged between emission layers, and a layer including an alkali metal and Yb.