公开(公告)号：US11335762B2

公开(公告)日：2022-05-17

申请号：US16989253

申请日：2020-08-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong Sung ,  Junghan Seo ,  Kwanhyuck Yoon ,  Sooyoun Kim ,  Jongki Kim ,  Seungho Yoon ,  Heeyeon Lee ,  Moonwon Chang

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes a substrate, a pixel circuit unit which is disposed on the substrate and having a first hole, a light blocking layer which is disposed on the pixel circuit unit and having a second hole corresponding to the first hole, a light emitting layer disposed on the pixel circuit unit, and a sealing unit on the light blocking layer. The substrate includes a first layer having a depression corresponding to the first hole, and a second layer which is disposed between the first layer and the pixel circuit unit and having a third hole between the depression and the second hole. The sealing unit includes a cover portion on the light blocking layer, and an extension portion extending from the cover portion. The depression has a width larger than a width of the third hole.

公开(公告)号：US20230157057A1

公开(公告)日：2023-05-18

申请号：US18150080

申请日：2023-01-04

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University

Inventor： SEUNGYONG SONG ,  Hyojeong Kwon ,  Seunghun Kim ,  Myungmo Sung ,  Kwanhyuck Yoon

IPC: H10K50/844 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K71/00 ,  H10K59/12

Abstract: A display device includes a display device including a substrate, and a display unit disposed on the substrate. An encapsulating unit encapsulates the display unit. The encapsulating unit includes a barrier organic layer. The barrier organic layer includes a plurality of organic materials and a plurality of inorganic materials. The inorganic materials are arranged in free volumes between the organic materials.

公开(公告)号：US20180145279A1

公开(公告)日：2018-05-24

申请号：US15856793

申请日：2017-12-28

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： SEUNGYONG SONG ,  Hyojeong Kwon ,  Seunghun Kim ,  Myungmo Sung ,  Kwanhyuck Yoon

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5253 ,  H01L27/3244 ,  H01L51/56

Abstract: A display device includes a display device including a substrate, and a display unit disposed on the substrate. An encapsulating unit encapsulates the display unit. The encapsulating unit includes a barrier organic layer. The barrier organic layer includes a plurality of organic materials and a plurality of inorganic materials. The inorganic materials are arranged in free volumes between the organic materials.

公开(公告)号：US09893315B2

公开(公告)日：2018-02-13

申请号：US15198854

申请日：2016-06-30

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Seungyong Song ,  Hyojeong Kwon ,  Seunghun Kim ,  Myungmo Sung ,  Kwanhyuck Yoon

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5253 ,  H01L51/56

Abstract: A display device includes a display device including a substrate, and a display unit disposed on the substrate. An encapsulating unit encapsulates the display unit. The encapsulating unit includes a barrier organic layer. The barrier organic layer includes a plurality of organic materials and a plurality of inorganic materials. The inorganic materials are arranged in free volumes between the organic materials.

公开(公告)号：US11812630B2

公开(公告)日：2023-11-07

申请号：US16965682

申请日：2019-01-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong Sung ,  Junghan Seo ,  Kwanhyuck Yoon

IPC: H10K50/115 ,  H10K50/84 ,  H10K50/86 ,  H10K59/38 ,  H10K71/00 ,  H10K102/00 ,  H10K50/844

CPC classification number: H10K50/844 ,  H10K50/115 ,  H10K50/841 ,  H10K50/865 ,  H10K59/38 ,  H10K71/00 ,  H10K2102/00

Abstract: A display device includes a substrate, a switching element on the substrate, a pixel electrode disposed on the switching element and connected to the switching element, a light emitting layer on the pixel electrode, a common electrode on the light emitting layer, and a sealing portion on the common electrode. The sealing portion includes an organic layer, and at least one first composite inorganic layer disposed between the organic layer and the common electrode. The at least one first composite inorganic layer includes a first inorganic layer between the common electrode and the organic layer, and a second inorganic layer between the first inorganic layer and the organic layer. A refractive index of the first inorganic layer and a refractive index of the second inorganic layer are different from each other, and the first inorganic layer and the second inorganic layer contact each other.

公开(公告)号：US11444140B2

公开(公告)日：2022-09-13

申请号：US16991492

申请日：2020-08-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junghan Seo ,  Wooyong Sung ,  Wooyoung Kim ,  Seungyong Song ,  Sunghoon Yang ,  Kwanhyuck Yoon ,  Seunggun Chae ,  Wonwoo Choi

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display apparatus includes a substrate, a display area disposed on the substrate and including a plurality of pixels, a first planarization layer disposed on the substrate, a second planarization layer disposed on the first planarization layer, a pixel-defining layer disposed on the second planarization layer and covering at least one edge of a first electrode of each of the plurality of pixels, a plurality of first holes disposed between the plurality of pixels and spaced apart from the first electrode, and a first etching prevention layer disposed on a bottom surface of each of the first holes and on the first planarization layer. Each of the first holes includes an opening that passes through the second planarization layer and the pixel-defining layer.

公开(公告)号：US10756156B2

公开(公告)日：2020-08-25

申请号：US16173554

申请日：2018-10-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong Sung ,  Junghan Seo ,  Kwanhyuck Yoon ,  Sooyoun Kim ,  Jongki Kim ,  Seungho Yoon ,  Heeyeon Lee ,  Moonwon Chang

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes a substrate, a pixel circuit unit which is disposed on the substrate and having a first hole, a light blocking layer which is disposed on the pixel circuit unit and having a second hole corresponding to the first hole, a light emitting layer disposed on the pixel circuit unit, and a sealing unit on the light blocking layer. The substrate includes a first layer having a depression corresponding to the first hole, and a second layer which is disposed between the first layer and the pixel circuit unit and having a third hole between the depression and the second hole. The sealing unit includes a cover portion on the light blocking layer, and an extension portion extending from the cover portion. The depression has a width larger than a width of the third hole.

公开(公告)号：US20200075890A1

公开(公告)日：2020-03-05

申请号：US16676816

申请日：2019-11-07

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： SEUNGYONG SONG ,  Hyojeong Kwon ,  Seunghun Kim ,  Myungmo Sung ,  Kwanhyuck Yoon

IPC: H01L51/52 ,  H01L51/56

Abstract: A display device includes a display device including a substrate, and a display unit disposed on the substrate. An encapsulating unit encapsulates the display unit. The encapsulating unit includes a barrier organic layer. The barrier organic layer includes a plurality of organic materials and a plurality of inorganic materials. The inorganic materials are arranged in free volumes between the organic materials.

公开(公告)号：US12232352B2

公开(公告)日：2025-02-18

申请号：US17306754

申请日：2021-05-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kwanhyuck Yoon ,  Seungyong Song

IPC: H10K50/844 ,  H10K59/122 ,  H10K102/00

Abstract: A display device includes: a substrate; a display element on the substrate; a thin-film encapsulation layer on the display element, the thin-film encapsulation layer including at least one inorganic layer and at least one organic layer; and a lower layer below the thin-film encapsulation layer, the lower layer including a first surface parallel to an upper surface of the substrate and a second surface extending in a direction crossing the upper surface of the substrate. The at least one inorganic layer is has a first thickness on the first surface of the lower layer and a second thickness on the second surface of the lower layer, the first thickness is greater than or equal to the second thickness, and a ratio of the second thickness to the first thickness is about 0.51 or more.

公开(公告)号：US12035563B2

公开(公告)日：2024-07-09

申请号：US18150080

申请日：2023-01-04

Applicant: SAMSUNG DISPLAY CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Seungyong Song ,  Hyojeong Kwon ,  Seunghun Kim ,  Myungmo Sung ,  Kwanhyuck Yoon

IPC: H10K50/844 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K50/844 ,  H10K71/00 ,  H10K59/12

Abstract: A display device includes a display device including a substrate, and a display unit disposed on the substrate. An encapsulating unit encapsulates the display unit. The encapsulating unit includes a barrier organic layer. The barrier organic layer includes a plurality of organic materials and a plurality of inorganic materials. The inorganic materials are arranged in free volumes between the organic materials.