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公开(公告)号：US20210119168A1
公开(公告)日：2021-04-22
申请号：US17131555
申请日：2020-12-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： MINSOO CHOI , MINJE KIM , EUNG DO KIM , HYUNYOUNG KIM , HYOJEONG KIM , HYOSUP SHIN , SEOKGYU YOON , YOUNGKI LEE , JUNGSUB LEE , JIYOUNG LEE , HYEJIN JUNG , KUNWOOK CHO , HYEON GU CHO , YOUNGEUN CHOI , JAEJIN LYU
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a host having a first luminescent onset wavelength, a first dopant having a second luminescent onset wavelength, and a second dopant different from the first dopant and having a third luminescent onset wavelength. The third luminescent onset wavelength is greater than each of the first luminescent onset wavelength and the second luminescent onset wavelength, and the device has improved emission efficiency and/or long-lifespan characteristics.
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公开(公告)号：US20210367000A1
公开(公告)日：2021-11-25
申请号：US17324505
申请日：2021-05-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： HYUNYOUNG KIM , Jong-Ryuk Park , Gyeongnam Bang , Kwangsik Lee , Jiyoun Lee
Abstract: A display device includes a display panel including a hole area, a display area around the hole area, and a non-display area around the display area, a first-first insulating layer disposed in the hole area, sensing electrodes disposed on the display area, a crack detection pattern disposed on the first-first insulating layer in the hole area, a crack detection line disposed on the non-display area, and a connection pattern disposed in a first sensing electrode of the sensing electrodes disposed on the display area to be insulated from the sensing electrodes, and connected to the crack detection pattern and the crack detection line, the first sensing electrode being disposed between the hole area and the non-display area. An edge of the first-first insulating layer disposed at a boundary between the display area and the hole area has a step structure of at least two steps.
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公开(公告)号：US20250107313A1
公开(公告)日：2025-03-27
申请号：US18896608
申请日：2024-09-25
Applicant: Samsung Display Co., Ltd.
Inventor： HYUNYOUNG KIM
Abstract: A light-emitting element, a heterocyclic compound for the light-emitting element, and a display device including the light-emitting element are provided. The light-emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and including a first compound represented by Formula 1.
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公开(公告)号：US20240429218A1
公开(公告)日：2024-12-26
申请号：US18618854
申请日：2024-03-27
Applicant: Samsung Display Co., LTD.
Inventor： OUKJAE LEE , TAEGON KIM , HYUNYOUNG KIM , JONG-RYUK PARK
IPC: H01L25/16 , H01L23/544
Abstract: A display device includes: a display panel including a display area and a surrounding area surrounding the display area; a gate driver in the surrounding area of the display panel; and a bottom panel below the display panel and including a cutout area having a width in a range of 1 micrometers (μm) to 160 μm in a first direction in a plan view.
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公开(公告)号：US20210273205A1
公开(公告)日：2021-09-02
申请号：US17143338
申请日：2021-01-07
Applicant: Samsung Display Co., LTD.
Inventor： JIYOUN LEE , HYUNYOUNG KIM , ROHYEON PARK , JONG-RYUK PARK , CHANGWOOK KANG
Abstract: A manufacturing method of a display device includes providing a first organic layer in a display area and a non-display area, to cover a pixel electrode and a pad electrode, respectively, providing a first electrode of a light emitting element, in the display area, the first organic layer being between the pixel electrode and the first electrode, after forming the first electrode, removing a portion of the first organic layer which is in the non-display area, to expose the pad electrode from the first organic layer; and providing a light emitting layer of the light emitting element, corresponding to the first electrode.
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Patent Agency Ranking
公开(公告)号：US20210098716A1
公开(公告)日：2021-04-01
申请号：US17035552
申请日：2020-09-28
Applicant: Samsung Display Co., Ltd.
Inventor： JUNGSUB LEE , HYUNYOUNG KIM , JIYOUNG LEE , HYEJIN JUNG , MINJE KIM , EUNG DO KIM , HYOJEONG KIM , HYOSUP SHIN , SEOKGYU YOON , YOUNGKI LEE , KUNWOOK CHO , HYEON GU CHO , MINSOO CHOI , YOUNGEUN CHOI , HYEIN JEONG , JAEJIN LYU
IPC: H01L51/00
Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4: Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.
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公开(公告)号：US20190229166A1
公开(公告)日：2019-07-25
申请号：US16373102
申请日：2019-04-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： HYUNYOUNG KIM , DOHOON KIM
IPC: H01L27/32
Abstract: An organic light-emitting display apparatus includes a thin-film transistor on a substrate, a planarization layer on the thin-film transistor, and a pixel-defining spacer on the planarization layer. The pixel-defining spacer defines a pixel area between two pixels that are adjacent in a first direction.
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公开(公告)号：US20240155937A1
公开(公告)日：2024-05-09
申请号：US18357774
申请日：2023-07-24
Applicant: Samsung Display Co., Ltd.
Inventor： HYUNYOUNG KIM
CPC classification number: H10K85/40 , C07F7/0812 , H10K50/11 , H10K50/15 , H10K50/16 , H10K85/658
Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers between the first electrode and the second electrode, wherein at least one functional layer among the plurality of functional layers includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound represented by Formula 3. Formula 1, Formula 2 and Formula 3 are the same as described in the detailed descriptions.
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公开(公告)号：US20220328766A1
公开(公告)日：2022-10-13
申请号：US17683546
申请日：2022-03-01
Applicant: Samsung Display Co., Ltd.
Inventor： HYOSUP SHIN , JIYOUNG LEE , HYUNYOUNG KIM , TSUYOSHI NAIJO
IPC: H01L51/00
Abstract: Provided is a light emitting diode including a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including a polycyclic compound represented by Formula 1, thereby exhibiting high luminous efficiency and improved lifespan characteristics.
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公开(公告)号：US20210367212A1
公开(公告)日：2021-11-25
申请号：US17138124
申请日：2020-12-30
Applicant: Samsung Display Co., LTD.
Inventor： IL-JOO KIM , GUNWOO KO , YONG-HWAN KIM , TAEKON KIM , HYUNYOUNG KIM , JONG-RYUK PARK , WANGWOO LEE , HYUNGJUN LIM , YOUNGBAE JUNG , JUNG-HYUN CHO
Abstract: A display device includes a display layer including an active area including a plurality of pixel areas, and a peripheral area adjacent to the active area, an insulating layer disposed on the display layer, the insulating layer including at least one first opening overlapping the plurality of pixel areas, and at least one second opening in the peripheral area, a refractive index layer disposed on the insulating layer, having a refractive index greater than a refractive index of the insulating layer, and spaced apart from the at least one second opening, and a polarizing layer overlapping the refractive index layer. At least a portion of the polarizing layer overlaps the at least one second opening.
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