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公开(公告)号：US10903442B2
公开(公告)日：2021-01-26
申请号：US16040471
申请日：2018-07-19
Applicant: Samsung Display Co., Ltd.
Inventor： Changmin Lee , Jihye Shim , Yeonwoo Lee , Jehong Choi , Hyunju Choi , Sangwoo Pyo , Myungsuk Han
Abstract: Disclosed are an organic light-emitting diode and an organic light-emitting display device including the same. The organic light-emitting diode includes: a first electrode; a second electrode disposed opposite to the first electrode; a light-emitting layer disposed between the first electrode and the second electrode; a hole transport region disposed between the first electrode and the light-emitting layer; and an electron transport region disposed between the light-emitting layer and the second electrode; the hole transport region including at least two layers, and one of the at least two layers is in contact with the first electrode and is a self-crystallizing material-containing layer.
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公开(公告)号：US20230354635A1
公开(公告)日：2023-11-02
申请号：US18218563
申请日：2023-07-05
Applicant: Samsung Display Co., LTD.
Inventor： Dongchan Kim , Jiyoung Moon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Haemyeong Lee , Myungsuk Han , Jihwan Yoon , Jonghyuk Lee , Yoonhyeung Cho
CPC classification number: H10K50/171 , H10K50/15 , H10K50/16 , H10K59/12 , H10K59/40
Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.
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公开(公告)号：US20240284700A1
公开(公告)日：2024-08-22
申请号：US18444740
申请日：2024-02-18
Applicant: Samsung Display Co., LTD.
Inventor： Dongchan Kim , Jiyoung Moon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Haemyeong Lee , Myungsuk Han , Jihwan Yoon , Jonghyuk Lee , Yoonhyeung Cho
CPC classification number: H10K50/171 , H10K50/15 , H10K50/16 , H10K59/12 , H10K59/40
Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.
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公开(公告)号：US10020468B2
公开(公告)日：2018-07-10
申请号：US15682942
申请日：2017-08-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Myungsuk Han
CPC classification number: H01L51/5278 , H01L27/3209 , H01L27/3244 , H01L51/5004 , H01L51/5016 , H01L51/5044 , H01L51/5206 , H01L51/5221 , H01L2251/5384 , H01L2251/552 , H01L2251/558
Abstract: An organic electroluminescence display device includes a first electrode, a second electrode on the first electrode, and a light-emitting unit between the first electrode and the second electrode, the light-emitting unit including a first sub-light-emitting unit on the first electrode and including a first emission layer, a first charge generation layer on the first sub-light-emitting unit, a second sub-light-emitting unit on the first charge generation layer and including a second emission layer, a second charge generation layer on the second sub-light-emitting unit, and a third sub-light-emitting unit on the second charge generation layer and including a third emission layer, wherein each of the first emission layer and the second emission layer includes a first host, the third emission layer includes a second host different from the first host, and a thickness of the second emission layer is 1.0 nm or less.
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公开(公告)号：US11653517B2
公开(公告)日：2023-05-16
申请号：US17033772
申请日：2020-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Dongchan Kim , Jiyoung Moon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Haemyeong Lee , Yoonhyeung Cho , Myungsuk Han , Jihwan Yoon , Jonghyuk Lee
CPC classification number: H01L51/5056 , H01L27/322 , H01L27/3244 , H01L51/5016 , H01L51/5072 , H01L51/5092 , H01L51/5096 , H01L51/56
Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; m emission units between the first electrode and the second electrode; and m−1 charge-generating unit(s) between adjacent ones of the emission units, where m is a natural number of 2 or more. The emission units each include an emission layer. At least one of the charge-generating unit(s) includes an n-type charge-generating layer and a p-type charge-generating layer; and the n-type charge-generating layer includes a first material and a second material. The first material includes an organic electron transport compound; and the second material includes at least one selected from an alkali metal, an alkali metal alloy, an alkaline earth metal, an alkaline earth metal alloy, a lanthanide metal, and a lanthanide metal alloy. The light-emitting device may have improved hole and electron balance, a decreased driving voltage, and excellent efficiency and/or lifespan characteristics.
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Patent Agency Ranking
公开(公告)号：US20220209157A1
公开(公告)日：2022-06-30
申请号：US17483675
申请日：2021-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Hakchoong Lee , Jihye Lee , Myungsuk Han , Dongchan Kim , Yoonseok Ka , Jiyoung Moon
Abstract: A display apparatus including a pixel electrode disposed on a substrate, an opposite electrode disposed to face the pixel electrode, a first emission layer and a second emission layer disposed on the first emission layer and overlapping each other between the pixel electrode and the opposite electrode, and a charge generation layer disposed between the first emission layer and the second emission layer, in which the charge generation layer includes an n-type charge generation layer, a p-type charge generation layer, and a metal interlayer disposed between the n-type charge generation layer and the p-type charge generation layer, and the metal interlayer includes metal having a work function of about −6.0 eV to about −3.5 eV.
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公开(公告)号：US10910443B2
公开(公告)日：2021-02-02
申请号：US15642376
申请日：2017-07-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Ilsoo Oh , Pyungeun Jeon , Myungsuk Han
Abstract: An organic electroluminescence display device includes a first electrode, a first light emitter on the first electrode, the first light emitter including a first light emitting layer, a first charge generation layer disposed on the first light emitter, a second light emitter on the first charge generation layer, the second light emitter including a second light emitting layer, and a second electrode on the second light emitter. The first light emitter includes a first electron injection enhancing layer on the first light emitting layer. The second light emitter includes an electron injection suppressing layer on the second light emitting layer, the electron injection suppressing layer having electron mobility less than that of the first electron injection enhancing layer.
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公开(公告)号：US12004364B2
公开(公告)日：2024-06-04
申请号：US18218563
申请日：2023-07-05
Applicant: Samsung Display Co., LTD.
Inventor： Dongchan Kim , Jiyoung Moon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Haemyeong Lee , Myungsuk Han , Jihwan Yoon , Jonghyuk Lee , Yoonhyeung Cho
CPC classification number: H10K50/171 , H10K50/15 , H10K50/16 , H10K59/12 , H10K59/40
Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m-1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m-1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.
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公开(公告)号：US11744100B2
公开(公告)日：2023-08-29
申请号：US17226231
申请日：2021-04-09
Applicant: Samsung Display Co., LTD.
Inventor： Dongchan Kim , Jiyoung Moon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Haemyeong Lee , Myungsuk Han , Jihwan Yoon , Jonghyuk Lee , Yoonhyeung Cho
CPC classification number: H10K50/171 , H10K50/15 , H10K50/16 , H10K59/12 , H10K59/40
Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.
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公开(公告)号：US20220149310A1
公开(公告)日：2022-05-12
申请号：US17450820
申请日：2021-10-13
Applicant: Samsung Display Co., Ltd.
Inventor： Dongchan Kim , Donghui Lee , Chulsoon Lee , Haemyeong Lee , Wonsuk Han , Yoonseok Ka , Jiyoung Moon , Jihwan Yoon , Heechang Yoon , Jihye Lee , Hakchoong Lee , Yoonhyeung Cho , Myungsuk Han
Abstract: A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode and including an emission layer; and m−1 charge generation layers each between two neighboring emission units from among the m emission units, wherein m is an integer of 2 or more, at least one of the m emission units includes an inorganic mixed layer between the first electrode and the emission layer, and the inorganic mixed layer includes an inorganic insulating material and an inorganic semiconductor material.
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