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公开(公告)号：US10665810B2
公开(公告)日：2020-05-26
申请号：US16417426
申请日：2019-05-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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12.发明授权公开(公告)号：US10181572B2
公开(公告)日：2019-01-15
申请号：US15904286
申请日：2018-02-23
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Dongchan Kim , Wonjong Kim , Dongkyu Seo , Dahea Im , Sanghoon Yim , Wonsuk Han
Abstract: An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.
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13.发明授权公开(公告)号：US10170722B2
公开(公告)日：2019-01-01
申请号：US14633365
申请日：2015-02-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Eungdo Kim , Dongchan Kim , Wonjong Kim , Dongkyu Seo , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Changwoong Chu
Abstract: Provided is an 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 and including an emission layer, the organic layer including a low work function metal compound.
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公开(公告)号：US20250143177A1
公开(公告)日：2025-05-01
申请号：US18742000
申请日：2024-06-13
Applicant: Samsung Display Co., LTD.
Inventor： Hyun Shin , Eungdo Kim , Yujin Kang , Munki Sim , Seunghyun Lee , Jeongmin Lee , Mieun Jun
IPC: H10K85/60 , H10K50/12 , H10K50/15 , H10K50/16 , H10K50/18 , H10K85/30 , H10K85/40 , H10K101/00 , H10K101/30
Abstract: Provided is a light-emitting device in which a highest occupied molecular orbital (HOMO) energy value of an energy level linking compound (HOMOC) and a HOMO energy value of a hole transport layer (HOMOHTL) satisfy Condition (1): HOMOC−HOMOHTL≤0.15 eV. Condition (1)
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15.发明公开公开(公告)号：US20240341115A1
公开(公告)日：2024-10-10
申请号：US18597699
申请日：2024-03-06
Applicant: Samsung Display Co., Ltd.
Inventor： Youngki Lee , Yujin Kang , Minje Kim , Seongkeun Kim , Eungdo Kim , Hyunyoung Kim , Hyojeong Kim , Jungsub Lee , Hyunwoo Lee , Mieun Jun
IPC: H10K50/12 , C09K11/06 , H10K50/15 , H10K85/30 , H10K85/60 , H10K101/20 , H10K102/00
CPC classification number: H10K50/121 , C09K11/06 , H10K50/156 , H10K85/342 , H10K85/346 , H10K85/6572 , H10K85/658 , C09K2211/1018 , H10K2101/20 , H10K2102/351
Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including a hole transport region and an emission layer, the hole transport region including a first layer including a compound represented by Formula 1 and a second layer, where a thickness of the emission layer is greater than or equal to about 25% of a thickness of the first layer. In addition, an electronic apparatus and an electronic device each including the light-emitting device are also provided.
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Patent Agency Ranking
公开(公告)号：US20240292747A1
公开(公告)日：2024-08-29
申请号：US18364157
申请日：2023-08-02
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Yujin Kang , Minje Kim , Seongkeun Kim , Hyunyoung Kim , Hyojeong Kim , Youngki Lee , Jungsub Lee , Hyunwoo Lee , Mieun Jun
CPC classification number: H10K85/6572 , H10K85/40 , H10K85/624 , H10K85/626 , H10K85/636 , H10K85/654 , H10K85/6574 , H10K85/6576 , H10K50/12 , H10K2101/90
Abstract: Embodiments provide a light-emitting device including a first electrode, a second electrode facing the first electrode, m emitting units between the first electrode and the second electrode, and m-1 charge generation layers between adjacent ones of the m emitting units, wherein m is an integer of 3 or more, and the emitting units include a first emitting unit, a second emitting unit, and a third emitting unit. The first emitting unit includes a first-first host and a first-second host, the second emitting unit includes a second-first host and a second-second host, the third emitting unit includes a third-first host and a third-second host, and T1 values of hosts of at least one of a first emitting unit, a second emitting unit, and a third emitting unit are each smaller than T1 values of hosts of the other emitting units.
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公开(公告)号：US20230157041A1
公开(公告)日：2023-05-18
申请号：US17852154
申请日：2022-06-28
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Changwoong Chu , Junha Park , Mieun Jun
CPC classification number: H01L51/5004 , H01L51/5072 , H01L51/0072 , H01L51/0059 , H01L51/0074 , H01L51/0094 , H01L51/0064 , H01L51/0087 , H01L51/0067 , H01L51/0069 , H01L51/008 , H01L51/5092 , H01L51/5024 , H01L51/5056
Abstract: A light-emitting device in which a difference between a highest occupied molecular orbital (HOMO) energy level of a dopant, which has a smaller absolute value of HOMO energy level among a first dopant and a second dopant, and a HOMO energy level of a first host is 0.3 eV or less.
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公开(公告)号：US20220209156A1
公开(公告)日：2022-06-30
申请号：US17553799
申请日：2021-12-17
Applicant: Samsung Display Co., Ltd.
Inventor： Eungdo Kim , Jungsub Lee
Abstract: A light-emitting device includes: a first electrode; a second electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first host and a first dopant, the second emission layer includes a second host and a second dopant, the first host and the second host each satisfy Condition 1 as defined herein, Compound A, as defined herein, is excluded from the first host, and Compound B, as defined herein, is excluded from the second host:
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公开(公告)号：US20190280237A1
公开(公告)日：2019-09-12
申请号：US16417426
申请日：2019-05-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
IPC: H01L51/50
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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公开(公告)号：US20180294425A1
公开(公告)日：2018-10-11
申请号：US16005169
申请日：2018-06-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongkyu Seo , Dongchan Kim , Wonjong Kim , Eungdo Kim , Jihye Lee , Dahea Im , Sanghoon Yim , Yoonhyeung Cho , Wonsuk Han
CPC classification number: H01L51/5044 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0055 , H01L51/0056 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0065 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0077 , H01L51/0081 , H01L51/0084 , H01L51/0085 , H01L51/0087 , H01L51/0088 , H01L51/0092 , H01L51/5012 , H01L51/5016 , H01L51/5056 , H01L51/5088 , H01L51/5096 , H01L51/56 , H01L2251/301
Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
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