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公开(公告)号：US20230135170A1
公开(公告)日：2023-05-04
申请号：US17729446
申请日：2022-04-26
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung SONG , Seulong KIM , Hajin SONG
IPC: H01L51/00 , C07D209/80 , C09K11/06 , C07C15/38
Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode, the interlayer including an emission layer. The emission layer includes a first emission layer including a first host and a second host, and a second emission layer including a third host. A triplet energy T1_H1 of the first host, a triplet energy T1_H2 of the second host, and a triplet energy T1_H3 of the third host satisfy Formulae (1) and (2) as defined below: T1_H1−T1_H3≥0.2 eV (1), T1_H2−T1_H3≥0.2 eV (2).
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公开(公告)号：US20210376248A1
公开(公告)日：2021-12-02
申请号：US17329903
申请日：2021-05-25
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung SONG , Seulong KIM , Pilgu KANG , Eungyoung PARK , Hajin SONG , Hyekyun LEE , Soonchul CHANG , Dongseob JEONG , Yangjin CHO , Jina HUR
IPC: H01L51/00
Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission region between the first electrode and the second electrode and including a first emission layer and a second emission layer; and a hole blocking layer between the first emission layer and the first electrode, or between the second emission layer and the second electrode, wherein the second emission layer may be between the first emission layer and the hole blocking layer, the first emission layer may include a first host and a first light-emitting material, the second emission layer may include a second host and a second light-emitting material, and the first light-emitting material and the second light-emitting material may respectively be included in the first emission layer and the second emission layer at an identical ratio.
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公开(公告)号：US20170125487A1
公开(公告)日：2017-05-04
申请号：US15141910
申请日：2016-04-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hajin SONG , Jihwan YOON , Sangwoo LEE , Sangwoo PYO
CPC classification number: H01L27/3211 , H01L27/3276 , H01L51/5004 , H01L51/5016 , H01L51/5036 , H01L51/5056 , H01L51/5072 , H01L51/5265 , H01L51/56 , H01L2227/323 , H01L2251/5376 , H01L2251/5384 , H01L2251/552
Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.
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公开(公告)号：US20250031572A1
公开(公告)日：2025-01-23
申请号：US18888377
申请日：2024-09-18
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung SONG , Seulong KIM , Pilgu KANG , Eungyoung PARK , Hajin SONG , Hyekyun LEE , Soonchul CHANG , Dongseob JEONG , Yangjin CHO , Jina HUR
IPC: H10K85/60 , H10K50/11 , H10K50/115 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K85/30 , H10K85/40 , H10K101/10
Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission region between the first electrode and the second electrode and including a first emission layer and a second emission layer; and a hole blocking layer between the first emission layer and the first electrode, or between the second emission layer and the second electrode, wherein the second emission layer may be between the first emission layer and the hole blocking layer, the first emission layer may include a first host and a first light-emitting material, the second emission layer may include a second host and a second light-emitting material, and the first light-emitting material and the second light-emitting material may respectively be included in the first emission layer and the second emission layer at an identical ratio.
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公开(公告)号：US20230301134A1
公开(公告)日：2023-09-21
申请号：US17981761
申请日：2022-11-07
Applicant: Samsung Display Co., Ltd.
Inventor： Jungho CHOI , Hajin SONG , Dongseob JEONG
CPC classification number: H01L51/5275 , C09K11/06 , H01L27/322 , H01L51/008 , H01L51/0054 , H01L51/0072 , H01L51/0073 , H01L51/502 , H01L51/504 , H01L51/5096 , C09K2211/1014
Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode. The interlayer includes a hole transport region including an electron blocking layer, a first emission layer between the electron blocking layer and the second electrode, a second emission layer between the first emission layer and the second electrode, and an electron transport region between the second emission layer and the second electrode and including a hole blocking layer.
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Patent Agency Ranking
公开(公告)号：US20230157114A1
公开(公告)日：2023-05-18
申请号：US18154471
申请日：2023-01-13
Applicant: Samsung Display Co., LTD.
Inventor： Hajin SONG , Jihwan YOON , Sangwoo LEE , Sangwoo PYO
IPC: H10K59/35 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/125 , H10K59/131 , H10K71/00
CPC classification number: H10K59/35 , H10K71/00 , H10K50/125 , H10K50/11 , H10K2101/10 , H10K2101/40 , H10K50/15 , H10K59/131 , H10K50/16 , H10K59/1201 , H10K2101/30 , H10K85/655 , H10K2101/90 , H10K50/852 , H10K2101/27 , H10K85/6572
Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.
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公开(公告)号：US20220293863A1
公开(公告)日：2022-09-15
申请号：US17684574
申请日：2022-03-02
Applicant: Samsung Display Co., Ltd.
Inventor： Seulong KIM , Hajin SONG , Yangjin CHO , Jaehoon HWANG
IPC: H01L51/00 , C07D403/04 , C09K11/06 , C07D403/14
Abstract: Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer, the emission layer includes a host, a first dopant, and a second dopant, the host, the first dopant, and the second dopant are different from each other, the host includes a compound represented by Formula 1 below, and the light-emitting device satisfies Relationship Equation 1: S1(H)≥S1(D2)≥T1(H)≥T1(D1)≥T1(D2) [Relationship Equation 1] Formula 1 and Relationship Equation 1 are as described in the specification.
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公开(公告)号：US20220029136A1
公开(公告)日：2022-01-27
申请号：US17241769
申请日：2021-04-27
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung SONG , Seulong KIM , Eungyoung PARK , Hajin SONG , Dongseob JEONG
Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer. The emission layer includes: a first emission layer including a first host; and a second emission layer including a second host, wherein a triplet energy (T1H1) of the first host and a triplet energy (T1H2) of the second host satisfy Equation (1): T1H1−T1H2≥0.2 eV (1).
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公开(公告)号：US20200251533A1
公开(公告)日：2020-08-06
申请号：US16852875
申请日：2020-04-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hajin SONG , Jihwan YOON , Sangwoo LEE , Sangwoo PYO
Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.
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20.发明申请公开(公告)号：US20160308162A1
公开(公告)日：2016-10-20
申请号：US14884183
申请日：2015-10-15
Applicant: Samsung Display Co., Ltd.
Inventor： Byeongwook YOO , Hyoyeon KIM , Yoonmo SONG , Hajin SONG , Jihwan YOON , Sangwoo Pyo
CPC classification number: H01L51/5275 , H01L27/3244 , H01L2227/323
Abstract: Provided are an organic light-emitting diode display apparatus and a method of manufacturing the same. In an exemplary embodiment, an organic light-emitting diode (OLED) display apparatus includes a substrate, an OLED device on the substrate, and a capping layer on the organic light-emitting device. The capping layer includes a first capping layer and a second capping layer. The second capping layer includes a first material and a second material. The first material and the second material are different from each other.
Abstract translation: 提供一种有机发光二极管显示装置及其制造方法。 在示例性实施例中，有机发光二极管（OLED）显示装置包括衬底，衬底上的OLED器件和有机发光器件上的覆盖层。 封盖层包括第一封盖层和第二封盖层。 第二盖层包括第一材料和第二材料。 第一材料和第二材料彼此不同。
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