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公开(公告)号:US11950499B2
公开(公告)日:2024-04-02
申请号:US17240590
申请日:2021-04-26
Applicant: Samsung Display Co., Ltd.
CPC classification number: H10K85/636 , G02B5/20 , G02B5/30 , H01L33/50 , H10K85/624 , H10K85/6572 , H10K50/15 , H10K50/171 , H10K50/18
Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer disposed between the first electrode and the second electrode and including an emission layer, a first capping layer, and a second capping layer. A refractive index of the first capping layer is greater than a refractive index of the second capping layer, and the first capping layer and the second capping layer are each an organic layer. An electronic apparatus including the light-emitting device is also provided.
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公开(公告)号:US20200185462A1
公开(公告)日:2020-06-11
申请号:US16521133
申请日:2019-07-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Changmin Lee , Juwon Lee , Hyomin Ko , Sanggyun Kim
Abstract: An organic light-emitting display apparatus and a method of manufacturing the same are provided. An organic light-emitting display apparatus includes a first light-emitting unit including a first color light-emitting layer on an area of a substrate, a second light-emitting unit including a second color light-emitting layer spaced apart from the first color light-emitting layer, and a third light-emitting unit including a third color light-emitting layer as a common layer corresponding to both areas of the first color light-emitting layer and the second color light-emitting layer, and the first color light-emitting layer includes a lower light-emitting layer and an upper light-emitting layer that are stacked to have a multilayered structure.
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公开(公告)号:US12052881B2
公开(公告)日:2024-07-30
申请号:US18151954
申请日:2023-01-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Hyomin Ko , Changmin Lee
IPC: H01L51/54 , H10K50/15 , H10K50/852 , H10K85/60 , H10K50/11 , H10K59/35 , H10K101/10 , H10K102/00
CPC classification number: H10K50/15 , H10K50/852 , H10K85/633 , H10K50/11 , H10K50/156 , H10K59/35 , H10K2101/10 , H10K2102/341 , H10K2102/351
Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.
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公开(公告)号:US11569470B2
公开(公告)日:2023-01-31
申请号:US16928544
申请日:2020-07-14
Applicant: Samsung Display Co., Ltd.
Inventor: Hyomin Ko , Changmin Lee
Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.
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公开(公告)号:US20250040411A1
公开(公告)日:2025-01-30
申请号:US18630956
申请日:2024-04-09
Applicant: Samsung Display Co., Ltd.
Inventor: Hyomin Ko , Bora Lee , Hyeonjeong Im
IPC: H10K59/80 , H10K102/00
Abstract: A display apparatus includes: a circuit layer on a substrate, a pixel electrode on the circuit layer, an intermediate layer on the pixel electrode and including a first emission layer, a second emission layer, a third emission layer, and a fourth emission layer, an opposite electrode on the intermediate layer, a color filter layer on the opposite electrode and including a first color filter, a second color filter, and a third color filter, and an optical auxiliary layer between the pixel electrode and the intermediate layer, wherein a thickness of each of layers included in the intermediate layer and a thickness of each of optical auxiliary layers included in the optical auxiliary layer are optimized.
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公开(公告)号:US11871609B2
公开(公告)日:2024-01-09
申请号:US17938582
申请日:2022-10-06
Applicant: Samsung Display Co., Ltd.
IPC: H10K50/11 , H10K50/15 , H10K50/852 , H10K50/818 , H10K59/35 , H10K101/40 , H10K102/00
CPC classification number: H10K50/852 , H10K50/11 , H10K50/15 , H10K50/156 , H10K50/818 , H10K59/35 , H10K2101/40 , H10K2102/3026 , H10K2102/351
Abstract: A light emitting diode of an embodiment of the present disclosure includes a first electrode, a hole transport region on an upper portion of the first electrode and having a first refractive index, an emission layer on an upper portion of the hole transport region and having a second refractive index less than the first refractive index, an electron transport region on an upper portion of the emission layer, and a second electrode on an upper portion of the electron transport region.
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公开(公告)号:US20230165030A1
公开(公告)日:2023-05-25
申请号:US18151954
申请日:2023-01-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Hyomin Ko , Changmin Lee
IPC: H10K50/15 , H10K50/852 , H10K85/60
CPC classification number: H10K50/15 , H10K50/852 , H10K85/633 , H10K50/11
Abstract: An organic light-emitting device includes: a first pixel electrode on a first emission region, a second pixel electrode on a second emission region, and a third pixel electrode on a third emission region; a counter electrode facing each of the first pixel electrode, the second pixel electrode, and the third pixel electrode; and an interlayer between the counter electrode and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode. The interlayer includes an emission layer, and a hole transport region between the emission layer and each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the hole transport region includes a planarization layer that includes an amine-based compound represented by Formula 1, Formula 2A, or Formula 2B, and the amine-based compound has a crystallization peak having a noise-to-peak ratio of 1.75 or more in an X-ray diffraction (XRD) spectrum.
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公开(公告)号:US12167619B2
公开(公告)日:2024-12-10
申请号:US17380547
申请日:2021-07-20
Applicant: Samsung Display Co., Ltd.
IPC: H10K50/15 , H10K50/11 , H10K50/852 , H10K59/12 , H10K59/35 , H10K85/30 , H10K85/60 , H10K101/40 , H10K102/00
Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode, the first hole transport layer including a first organic compound having a first dielectric constant and a second hole transport layer disposed between the first hole transport layer and the emission layer, the second hole transport layer including a second organic having a second dielectric constant which is greater than the first dielectric constant.
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公开(公告)号:US11839145B2
公开(公告)日:2023-12-05
申请号:US16923047
申请日:2020-07-07
Applicant: Samsung Display Co., LTD.
Inventor: Jimyoung Ye , Hyomin Ko
IPC: H01L51/50 , H10K85/60 , C09K11/06 , C07D209/86 , C07D401/12 , C07D409/14 , C07C211/06 , H10K50/155 , H10K50/15 , H10K102/00
CPC classification number: H10K85/615 , C07C211/06 , C07D209/86 , C07D401/12 , C07D409/14 , C09K11/06 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/6572 , C07C2603/18 , C09K2211/1007 , C09K2211/1011 , C09K2211/1018 , H10K50/155 , H10K50/156 , H10K85/624 , H10K85/654 , H10K85/655 , H10K2102/351
Abstract: An organic light emitting diode includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer which is directly disposed on the lower portion of the emission layer and has a first refractive index, and a second hole transport layer which is disposed on the lower portion of the first hole transport layer and has a second refractive index, thereby exhibiting an improved luminous efficiency characteristic.
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公开(公告)号:US20230180505A1
公开(公告)日:2023-06-08
申请号:US17984119
申请日:2022-11-09
Applicant: Samsung Display Co., Ltd.
Inventor: Hyeongpil Kim , Hyomin Ko , Ilsoo Oh , Bora Lee
CPC classification number: H01L51/5076 , H01L51/5218 , H01L27/3244
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode and including an emission layer, an electron transport layer, a first layer including a p-dopant and a second layer including an n-dopant,
wherein the electron transport layer is located between the emission layer and the first electrode,
the first layer and the second layer are located between the electron transport layer and the first electrode, and
the first electrode is a reflective electrode.
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