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公开(公告)号：US12082446B2
公开(公告)日：2024-09-03
申请号：US17937720
申请日：2022-10-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jaeik Kim , Jaesik Kim , Yeonhwa Lee , Joongu Lee
IPC: H10K59/122 , H10K50/844 , H10K59/121 , H10K71/00 , H10K102/00
CPC classification number: H10K59/122 , H10K50/844 , H10K59/121 , H10K71/00 , H10K2102/00
Abstract: A display apparatus having improved reliability and preventing or reducing damage to an organic light-emitting diode (OLED), and a method of manufacturing the display apparatus by arranging a protective layer on an opposite electrode during a photo-patterning process, are provided. The display apparatus includes: a substrate; a pixel electrode on the substrate; a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening that exposes a center of the pixel electrode; an auxiliary electrode on the pixel defining layer; an intermediate layer on the pixel electrode; an opposite electrode facing the pixel electrode with the intermediate layer therebetween; a first protective layer on the opposite electrode; and a contact electrode on the first protective layer, the contact electrode electrically contacting the auxiliary electrode and the opposite electrode.
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公开(公告)号：US20240276819A1
公开(公告)日：2024-08-15
申请号：US18439272
申请日：2024-02-12
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeik Kim , Hyejin Gwark , Hwi Kim , Jungsun Park , Seungyong Song , Duckjung Lee , Yeonhwa Lee , Joongu Lee
IPC: H10K59/131 , H10K59/40 , H10K59/80 , H10K102/00
CPC classification number: H10K59/1315 , H10K59/40 , H10K59/873 , H10K2102/351
Abstract: A display device includes a substrate, a pixel electrode disposed on the substrate, a common layer disposed on the pixel electrode, and a counter electrode disposed on the common layer, wherein a film density of the common layer is in a range of about 3 g/cm3 to about 10 g/cm3.
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公开(公告)号：US11871591B2
公开(公告)日：2024-01-09
申请号：US17197367
申请日：2021-03-10
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Joongu Lee , Jaesik Kim , Jaeik Kim , Yeonhwa Lee , Sehoon Jeong
CPC classification number: H10K30/865 , H10K50/805 , H10K50/841 , H10K59/12 , H10K71/00
Abstract: An organic light-emitting display device includes: a substrate; a pixel electrode on the substrate; an auxiliary electrode spaced apart from the pixel electrode; a first insulating film between the pixel electrode and the auxiliary electrode and covering an end of the pixel electrode and an end of the auxiliary electrode; an intermediate layer on the pixel electrode and including an emission layer; an opposite electrode covering the intermediate layer and contacting the auxiliary electrode; and a passivation layer covering the opposite electrode.
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公开(公告)号：US11751413B2
公开(公告)日：2023-09-05
申请号：US17700026
申请日：2022-03-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yeonhwa Lee , Jaesik Kim , Jaeik Kim , Joongu Lee , Sehoon Jeong , Jiyoung Choung
IPC: H01L51/52 , H01L27/32 , H10K50/805 , H10K50/844 , H10K59/122 , H10K102/10
CPC classification number: H10K50/805 , H10K50/8445 , H10K59/122 , H10K2102/101
Abstract: A display device includes: a circuit element layer comprising a transistor; a display element layer comprising a first electrode connected to the transistor, a second electrode facing the first electrode, an organic pattern between the first electrode and the second electrode, a pixel defining layer having an opening exposing the first electrode, an auxiliary electrode spaced apart from the opening to cover a portion of the pixel defining layer and connected to the second electrode, a first protection pattern covering the second electrode, and a second protection pattern covering the first protection pattern; and an encapsulation layer covering the display element layer, wherein the first protection pattern and the second protection pattern have stress in directions different from each other.
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公开(公告)号：US20230172005A1
公开(公告)日：2023-06-01
申请号：US17990448
申请日：2022-11-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Heemin Park , Arong Kim , Jungsun Park , Yeonhwa Lee , Hyejin Gwark , Jaeik Kim , Joongu Lee , Kyuhwan Hwang
IPC: H01L27/32
CPC classification number: H01L27/3246
Abstract: An organic light-emitting display device includes: a substrate; an insulating layer disposed on the substrate; a first electrode disposed on the insulating layer; a pixel defining layer disposed on the first electrode and defining an emission area by an opening that exposes at least part of the first electrode; a metal layer disposed on the pixel defining layer and in a non-emission area around the emission area; an organic light-emitting layer disposed on the first electrode in the opening; and a second electrode disposed on the organic light-emitting layer in the emission area and the non-emission area, where the metal layer is disposed between the pixel defining layer and the second electrode in the non-emission area.
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Patent Agency Ranking
公开(公告)号：US20220359630A1
公开(公告)日：2022-11-10
申请号：US17871128
申请日：2022-07-22
Applicant: Samsung Display Co., Ltd.
Inventor： Wooyong Sung , Jaesik Kim , Jaeik Kim , Yeonhwa Lee , Joongu Lee
Abstract: To provide a display device having a reduced non-display area, the display device including: a substrate including a display area, the display area including a first area and a second area; a first pixel electrode in the first area, and a second pixel electrode in the second area; a pixel-defining layer on the substrate and including a first opening and a second opening, the first opening exposing at least a portion of the first pixel electrode, and the second opening exposing at least a portion of the second pixel electrode; a first intermediate layer on the at least a portion of the first pixel electrode, and a second intermediate layer on the at least a portion of the second pixel electrode; a first opposite electrode on the first intermediate layer; and a second opposite electrode on the first opposite electrode and the second intermediate layer.
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27.发明授权公开(公告)号：US11133361B2
公开(公告)日：2021-09-28
申请号：US16852291
申请日：2020-04-17
Applicant: Samsung Display Co., Ltd.
Inventor： Jaesik Kim , Yeonhwa Lee , Joongu Lee , Sehoon Jeong
Abstract: An organic light-emitting display apparatus including a substrate, a first first electrode on the substrate, a first organic functional layer on the first first electrode, the first organic functional layer including a first emission layer, a first second electrode on the first organic functional layer, a second first electrode on the substrate, the second first electrode being spaced apart from the first first electrode, a second organic functional layer on the second first electrode, the second organic functional layer including a second emission layer, a second second electrode on the second organic functional layer, and a self-assembled layer between the first organic functional layer and the second organic functional layer, the self-assembled layer containing fluorine.
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公开(公告)号：US20210134901A1
公开(公告)日：2021-05-06
申请号：US16868493
申请日：2020-05-06
Applicant: Samsung Display Co., Ltd.
Inventor： Wooyong Sung , Jaesik Kim , Jaeik Kim , Yeonhwa Lee , Joongu Lee
Abstract: To provide a display device having a reduced non-display area, the display device including: a substrate including a display area, the display area including a first area and a second area; a first pixel electrode in the first area, and a second pixel electrode in the second area; a pixel-defining layer on the substrate and including a first opening and a second opening, the first opening exposing at least a portion of the first pixel electrode, and the second opening exposing at least a portion of the second pixel electrode; a first intermediate layer on the at least a portion of the first pixel electrode, and a second intermediate layer on the at least a portion of the second pixel electrode; a first opposite electrode on the first intermediate layer; and a second opposite electrode on the first opposite electrode and the second intermediate layer.
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公开(公告)号：US10991776B2
公开(公告)日：2021-04-27
申请号：US16654402
申请日：2019-10-16
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunae Kim , Jaesik Kim , Jaeik Kim , Yeonhwa Lee , Joongu Lee , Sehoon Jeong , Mijung Han
Abstract: A display apparatus includes a substrate, a pixel defining layer, a spacer, an auxiliary electrode, and an organic light emitting diode. The substrate includes a light emitting area and a non-light emitting area adjacent to the light emitting area. The pixel defining layer is disposed on the non-light emitting area of the substrate. The spacer is disposed on the pixel defining layer. The auxiliary electrode is disposed on the spacer. The organic light emitting diode is disposed on the substrate, and at least a portion thereof is disposed in the light emitting area. The organic light emitting diode includes a pixel electrode, an intermediate layer disposed on the pixel electrode and including an organic light emitting layer, and an opposite electrode disposed on the intermediate layer and electrically connected to the auxiliary electrode.
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公开(公告)号：US10964901B2
公开(公告)日：2021-03-30
申请号：US16577299
申请日：2019-09-20
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Joongu Lee , Jaesik Kim , Jaeik Kim , Yeonhwa Lee , Sehoon Jeong
Abstract: An organic light-emitting display device includes: a substrate; a pixel electrode on the substrate; an auxiliary electrode spaced apart from the pixel electrode; a first insulating film between the pixel electrode and the auxiliary electrode and covering an end of the pixel electrode and an end of the auxiliary electrode; an intermediate layer on the pixel electrode and including an emission layer; an opposite electrode covering the intermediate layer and contacting the auxiliary electrode; and a passivation layer covering the opposite electrode.
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