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公开(公告)号：US20240008361A1
公开(公告)日：2024-01-04
申请号：US18306364
申请日：2023-04-25
Applicant: Samsung Display Co., Ltd.
Inventor： Heejoo Ko , Sunwoo Kang , Pyungeun Jeon , Changwoong Chu
CPC classification number: H10K85/636 , C09K11/06 , H10K85/6572 , H10K85/40 , H10K85/346 , H10K85/654 , H10K50/12
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, wherein the interlayer includes an emission layer, a hole transport layer, and an electron transport layer. The emission layer includes an electron transport host compound and a dopant. A hole mobility of the hole transport layer is greater than 1×10−4 cm2/Vs, an electron mobility of the electron transport layer is greater than 1×10−5 cm2/Vs, and an electron mobility of the electron transport host compound is less than 1×10−8 cm2/Vs.
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公开(公告)号：US11832489B2
公开(公告)日：2023-11-28
申请号：US17060660
申请日：2020-10-01
Applicant: Samsung Display Co., LTD.
Inventor： Pyungeun Jeon , Yoojin Sohn , Juwon Lee , Wonjong Kim
IPC: H10K59/35 , H10K50/11 , H10K50/15 , H10K85/60 , H10K101/40 , H10K101/30
CPC classification number: H10K59/35 , H10K50/11 , H10K50/156 , H10K85/615 , H10K85/624 , H10K85/626 , H10K85/631 , H10K85/633 , H10K85/636 , H10K85/6572 , H10K2101/30 , H10K2101/40
Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.
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公开(公告)号：US10546900B2
公开(公告)日：2020-01-28
申请号：US15799219
申请日：2017-10-31
Applicant: Samsung Display Co., Ltd.
Inventor： Pyungeun Jeon , Ilsoo Oh , Jihwan Yoon , Bora Lee , Jehong Choi , Sangwoo Pyo
Abstract: A bent edge display panel including a flat area in which pixel groups are repeatedly formed in a first direction and in a second direction perpendicular to the first direction, each of the pixel groups including a first pixel, a second pixel, and a third pixel, and a bending area extending and being bent from the flat area along the first direction, wherein a pixel group from among the pixel groups and a compensating pixel are in the bending area.
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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：US20190081119A1
公开(公告)日：2019-03-14
申请号：US16033069
申请日：2018-07-11
Applicant: Samsung Display Co., Ltd.
Inventor： Jehong Choi , Ji-hye Shim , Pyungeun Jeon , Jihwan Yoon , Sangwoo Pyo
Abstract: An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode, a second sub-electrode, and a third sub-electrode which are arranged on the substrate; an organic light emitting layer on the first electrode and including a first light emitting layer, a second light emitting layer, and a third light emitting layer; and a second electrode on the organic light emitting layer, and the first light emitting layer is on the first sub-electrode, the second light emitting layer is on the first sub-electrode, the second sub-electrode, and the third sub-electrode, and the third light emitting layer is on the third sub-electrode, and the first light emitting layer is on a lower portion of the second light emitting layer, and the third light emitting layer is on an upper portion of the second light emitting layer.
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Patent Agency Ranking
公开(公告)号：US20230180493A1
公开(公告)日：2023-06-08
申请号：US18075282
申请日：2022-12-05
Applicant: Samsung Display Co., Ltd.
Inventor： Eunhye Song , Jinwon Sun , Dongchan Lee , Jonghyeon Lee , Pyungeun Jeon
IPC: H10K50/11 , H10K50/155 , H10K50/18
CPC classification number: H01L51/5004 , H01L51/506 , H01L51/5096 , H01L2251/5384
Abstract: A light-emitting device includes an interlayer that includes a first hole transport layer, a second hole transport layer, and a third hole transport layer, wherein the first hole transport layer includes a first hole transport compound and a first p-dopant compound, the second hole transport layer includes a second hole transport compound and a second p-dopant compound, the third hole transport layer includes a third hole transport compound and does not include a p-dopant, and an absolute value of lowest unoccupied molecular orbital (LUMO) energy of the second p-dopant compound is greater than an absolute value of LUMO energy of the first p-dopant compound.
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公开(公告)号：US11348974B2
公开(公告)日：2022-05-31
申请号：US16813497
申请日：2020-03-09
Applicant: Samsung Display Co., Ltd.
Inventor： Pyungeun Jeon , Ilsoo Oh , Bora Lee , Yujin Kang , Juwon Lee
Abstract: A light-emitting device includes: a plurality of first electrodes respectively in a first sub-pixel, a second sub-pixel, and a third sub-pixel; a second electrode facing the plurality of first electrodes; a first emission layer in the first sub-pixel and configured to emit a first color light; a second emission layer in the second sub-pixel and configured to emit a second color light; a first layer that is integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first intermediate layer between the first auxiliary layer and the first emission layer. The first emission layer includes a first host and a first dopant. The first dopant is configured to emit light having a full width at half maximum (FWHM) of about 35 nm or more.
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公开(公告)号：US20210175294A1
公开(公告)日：2021-06-10
申请号：US17060660
申请日：2020-10-01
Applicant: Samsung Display Co., LTD.
Inventor： Pyungeun Jeon , Yoojin Sohn , Juwon Lee , Wonjong Kim
Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.
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公开(公告)号：US20240074270A1
公开(公告)日：2024-02-29
申请号：US18383842
申请日：2023-10-25
Applicant: Samsung Display Co., LTD.
Inventor： Pyungeun Jeon , Yoojin Sohn , Juwon Lee , Wonjong Kim
CPC classification number: H10K59/35 , H10K50/11 , H10K50/156
Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.
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公开(公告)号：US20230371299A1
公开(公告)日：2023-11-16
申请号：US18071878
申请日：2022-11-30
Applicant: Samsung Display Co., Ltd.
Inventor： Eunhye Song , Jinwon Sun , Dongchan Lee , Pyungeun Jeon
CPC classification number: H01L51/5056 , H01L51/5072 , H01L51/0087 , H01L51/0085 , H01L51/006 , H01L51/0054 , H01L51/0073 , H01L51/008 , H01L51/0061 , H01L51/0072 , H01L51/0056 , H01L51/50
Abstract: Embodiments provide an organic light-emitting device that includes 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 compound, a second compound, a third compound, and a fourth compound, the first compound is a hole transporting host, the second compound is an electron transporting host, the third compound is a Pt complex, and the fourth compound is an Ir complex containing a halogen group.
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