公开(公告)号：US20220238756A1

公开(公告)日：2022-07-28

申请号：US17476927

申请日：2021-09-16

Applicant: Samsung Display Co., LTD.

Inventor： Hye Lim KANG ,  Moon Jung AN ,  Je Won YOO ,  Dong Eon LEE

IPC: H01L33/10 ,  H01L27/15 ,  H01L33/38

Abstract: A light-emitting element includes a light-emitting element core extending in a direction and including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a device active layer disposed between the first semiconductor layer and the second semiconductor layer, a device insulating film surrounding a lateral surface of the light-emitting element core, and a reflective film disposed on an outer lateral surface of the device insulating film and surrounding at least a lateral surface of the device active layer.

公开(公告)号：US20220216373A1

公开(公告)日：2022-07-07

申请号：US17609882

申请日：2020-03-30

Applicant: Samsung Display Co., LTD.

Inventor： Je Won YOO ,  Tae Jin KONG ,  Hee Keun LEE ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/62

Abstract: Provided are a display device and a manufacturing method thereof. The display device comprises: a substrate; a first electrode and a second electrode disposed on the substrate to be spaced apart from each other; a first insulating layer disposed on the substrate so as to cover at least a portion of the first electrode and the second electrode; and at least one first light emitting element disposed between the first electrode and the second electrode, on the first insulating layer. The first insulating layer comprises: a first sub-insulating layer comprising a first portion including a hydrophilic material and a second portion which is a region of the first insulating layer except for the first portion and includes a hydrophobic material; and a second sub-insulating layer disposed below the first sub-insulating layer, and at least a portion of the at least one first light emitting element is disposed on the first portion.

公开(公告)号：US20220173274A1

公开(公告)日：2022-06-02

申请号：US17501466

申请日：2021-10-14

Applicant: Samsung Display Co., LTD.

Inventor： Jong Won LEE ,  Je Won YOO ,  Hyun Min CHO ,  Basrur VEIDHES ,  Myeong Hee KIM ,  Yong Sub SHIM

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/40

Abstract: A display device includes a first reflective electrode disposed on a surface of a substrate, a second reflective electrode spaced apart from the first reflective electrode and disposed on the surface of the substrate, and a light emitting element disposed between the first reflective electrode and the second reflective electrode. The first reflective electrode includes first surface irregularities disposed on a top surface of the first reflective electrode. The second reflective electrode includes second surface irregularities disposed on a top surface of the second reflective electrode.

公开(公告)号：US20210280753A1

公开(公告)日：2021-09-09

申请号：US17258145

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Je Won YOO ,  Bek Hyun LIM ,  Sung Chan JO

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/62

Abstract: A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.

公开(公告)号：US20250057029A1

公开(公告)日：2025-02-13

申请号：US18646215

申请日：2024-04-25

Applicant: Samsung Display Co., LTD.

Inventor： Je Won YOO ,  Dong Jo KIM ,  Hyun KIM ,  Seung Min LEE

IPC: H10K77/10 ,  H10K59/12 ,  H10K71/00

Abstract: There is provided a display device including a second substrate corresponding to a main area, a pad area, and a bending area between the main area and the pad area, a first substrate at the main area and at the pad area and beneath the second substrate, and a display element layer at the main area and above the second substrate, wherein the first substrate includes a first sub-substrate overlapped with the main area, and including a first surface adjacent the second substrate, a second surface opposite to the first surface, and a first side directed toward the bending area, and a second sub-substrate spaced apart from the first sub-substrate and overlapped with the pad area, wherein a first inclined angle formed by the second surface and the first side is an obtuse angle.

公开(公告)号：US20240379917A1

公开(公告)日：2024-11-14

申请号：US18781779

申请日：2024-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Je Won YOO ,  Bek Hyun LIM ,  Sung Chan JO

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/20 ,  H01L33/56 ,  H01L33/62

Abstract: A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.

公开(公告)号：US20240355790A1

公开(公告)日：2024-10-24

申请号：US18758503

申请日：2024-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin KONG ,  Dae Hyun KIM ,  Myeong Hee KIM ,  Veidhes BASRUR ,  Je Won YOO ,  Xinxing LI ,  Hee Keun LEE ,  Bek Hyun LIM ,  Hyun Min CHO ,  Chang Il TAE

IPC: H01L25/075 ,  B82B3/00 ,  G09G3/32 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L25/0753 ,  B82B3/0052 ,  H01L27/1214 ,  H01L33/0062 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/0842 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

公开(公告)号：US20240113260A1

公开(公告)日：2024-04-04

申请号：US18446811

申请日：2023-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Hoon KIM ,  Min Joo KIM ,  Je Won YOO ,  Seung Kyu LEE ,  Yong Sik HWANG

IPC: H01L33/36 ,  H01L25/075 ,  H01L33/08

CPC classification number: H01L33/36 ,  H01L25/0753 ,  H01L33/08

Abstract: A display device includes a display area where an image is displayed, a non-display area disposed adjacent to the display area, a first sub-pixel disposed in the display area, and a second sub-pixel disposed adjacent to the first sub-pixel in the display area. Each of the first sub-pixel and the second sub-pixel includes a plurality of alignment electrodes spaced apart from each other, and a plurality of light emitting elements disposed between the plurality of alignment electrodes. Each of the plurality of light emitting elements includes a first end having a first polarity, and a second end having a second polarity different from the first polarity. An orientation of the light emitting elements in the first sub-pixel and an orientation of the light emitting elements in the second sub-pixel are symmetrical. The first sub-pixel includes an identification pattern for distinguishing the first sub-pixel from the second sub-pixel.

公开(公告)号：US20240081093A1

公开(公告)日：2024-03-07

申请号：US18205142

申请日：2023-06-02

Applicant: Samsung Display Co., LTD.

Inventor： Jin Ho KWACK ,  Je Won YOO ,  Chang Mok KIM

IPC: H10K50/844 ,  H10K59/80 ,  H10K85/60

CPC classification number: H10K50/844 ,  H10K59/873 ,  H10K85/653 ,  H10K2102/351

Abstract: A display device includes a substrate, a first electrode disposed on the substrate, an organic light-emitting layer disposed on the first electrode, a second electrode disposed on the organic light-emitting layer, an encapsulation layer disposed on the second electrode, and a touch layer disposed on the encapsulation layer. The encapsulation layer includes a first inorganic layer, a first organic layer, a second organic layer, and a second inorganic layer. The first inorganic layer is disposed on the second electrode, the first organic layer is disposed on the first inorganic layer, the second organic layer is disposed on the first organic layer and has a greater ring parameter than the first organic layer, and the second inorganic layer is disposed on the second organic layer.

公开(公告)号：US20240006559A1

公开(公告)日：2024-01-04

申请号：US18314608

申请日：2023-05-09

Applicant: Samsung Display Co., LTD.

Inventor： Je Won YOO ,  Min Joo KIM ,  Hoon KIM ,  Seung Kyu LEE ,  Yong Sik HWANG

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/44

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/44

Abstract: A display device is provided. The display device comprises a substrate, a first electrode and a second electrode above the substrate, extending in one direction, and spaced apart from each other in another direction, a light-emitting element above the first electrode and the second electrode, a first connection electrode contacting one end portion of the light-emitting element, a second connection electrode contacting another end portion of the light-emitting element, and a first insulating layer between the light-emitting element and the first and second electrodes, and including a light-blocking material.