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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:US11342388B2
公开(公告)日:2022-05-24
申请号:US17103076
申请日:2020-11-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Wonmin Yun , Yisu Kim , Eungseok Park , Byoungduk Lee , Yunah Chung , Yoonhyeung Cho , Yongchan Ju
Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.
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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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公开(公告)号:US11264583B2
公开(公告)日:2022-03-01
申请号:US16852171
申请日:2020-04-17
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 comprising: a first electrode; a second electrode facing the first electrode; a first emission unit, a second emission unit and a third emission unit between the first electrode and the second electrode; a first charge generation layer between the first emission unit and the second emission unit; and a second charge generation layer between the second emission unit and the third emission unit, wherein the first emission unit comprises a first emission layer, the second emission unit comprises a second emission layer, the third emission unit comprises a third emission layer, and at least one of the first emission unit, the second emission unit and the third emission unit comprises an inorganic buffer layer.
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公开(公告)号:US20210320274A1
公开(公告)日:2021-10-14
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
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:US10727442B2
公开(公告)日:2020-07-28
申请号:US14836062
申请日:2015-08-26
Applicant: Samsung Display Co., Ltd.
Inventor: Seongmin Wang , Taekyung Kim , Ohjune Kwon , Mugyeom Kim , Yoonhyeung Cho
Abstract: An organic light-emitting display apparatus includes: a substrate; first electrodes arranged on the substrate at separate positions; a second electrode disposed on the first electrodes to face the first electrodes; an intermediate layer disposed between the first electrodes and the second electrode and including an emission layer; a first encapsulating layer disposed on the second electrode and patterned to have a plurality of islands, the first encapsulating layer including an organic material; and a second encapsulating layer covering the islands of the first encapsulating layer and including an inorganic material.
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公开(公告)号:US10608207B2
公开(公告)日:2020-03-31
申请号:US15704218
申请日:2017-09-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Yongchan Ju , Yisu Kim , Eungseok Park , Wonmin Yun , Byoungduk Lee , Yoonhyeung Cho
Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.
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公开(公告)号:US10312473B2
公开(公告)日:2019-06-04
申请号:US15832010
申请日:2017-12-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Donghoon Kim , Dongchan Kim , Wonjong Kim , Wonmin Yun , Byoungduk Lee , Jihye Lee , Sanghoon Yim , Yoonhyeung Cho , Youngcheol Joo , Wonsuk Han
Abstract: An organic light emitting display device includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation layer on the organic light emitting element. The thin film encapsulation layer includes a first thin film, a second thin film and a third thin film which are sequentially stacked therein, a refractive index of the second thin film is about 1.7 or greater, and a refractive index of the first thin film and a refractive index of the third thin film are greater than the refractive index of the second thin film by about 0.35 or greater.
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公开(公告)号:US10305059B2
公开(公告)日:2019-05-28
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
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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