公开(公告)号：US20180019377A1

公开(公告)日：2018-01-18

申请号：US15648578

申请日：2017-07-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Hyun KIM ,  Jong Hyuk KANG ,  Joo Yeol LEE ,  Hyun Deok IM ,  Chi O CHO ,  Hyun Min CHO

IPC: H01L33/24 ,  H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/00 ,  H01L33/32 ,  H01L27/12 ,  G09G3/32

CPC classification number: H01L33/24 ,  G09G3/32 ,  G09G2300/0452 ,  G09G2310/0278 ,  H01L25/0753 ,  H01L27/1214 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/16 ,  H01L33/325 ,  H01L33/38 ,  H01L33/44 ,  H01L2224/95085 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US20250048805A1

公开(公告)日：2025-02-06

申请号：US18599059

申请日：2024-03-07

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho LEE ,  Jong Hyuk KANG ,  Buem Joon KIM ,  Hyun Deok IM

IPC: H01L33/56 ,  H01L25/075 ,  H01L33/00

Abstract: A light emitting element, a manufacturing method of the light emitting element, a display device including the light emitting element, and a manufacturing method of the display device are provided. The light emitting element includes end portions including a first end portion and a second end portion; a side portion between the first end portion and the second end portion; a semiconductor stacked member including a first semiconductor layer adjacent to the first end portion, a second semiconductor layer adjacent to the second end portion, and an active layer between the first semiconductor layer and the second semiconductor layer; a first surface member on the side portion and having a first surface energy; and a second surface member on the end portions and having a second surface energy less than the first surface energy.

公开(公告)号：US20240243228A1

公开(公告)日：2024-07-18

申请号：US18622091

申请日：2024-03-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Buem Joon KIM ,  Hyun Deok IM

IPC: H01L33/36 ,  H01L21/68 ,  H01L25/075

CPC classification number: H01L33/36 ,  H01L21/68 ,  H01L25/0753 ,  H01L2221/68309 ,  H01L2933/0016

Abstract: A display device and a method of manufacturing the same are provided. The display device includes a first alignment electrode and a second alignment electrode spaced apart from each other, a light emitting element between the first alignment electrode and the second alignment electrode, a first auxiliary electrode at a first side of the light emitting element in a plan view, and separated from the first alignment electrode, and a second auxiliary electrode at a second side of the light emitting element in a plan view, and separated from the second alignment electrode, wherein an alignment signal is configured to be applied to the first alignment electrode, and wherein a first auxiliary signal of a phase that is different from a phase of the alignment signal is configured to be applied to the first auxiliary electrode.

公开(公告)号：US20240178347A1

公开(公告)日：2024-05-30

申请号：US18394110

申请日：2023-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hoon JUNG ,  Won Ho LEE ,  Hyun Deok IM

IPC: H01L33/38 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/005

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode and facing the first electrode, a first insulating layer disposed to at least partially cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer, and a light-emitting element disposed on the second insulating layer between the first electrode and the second electrode, wherein at least a part of a lower surface of the light-emitting element is chemically bonded to the second insulating layer.

公开(公告)号：US20240030385A1

公开(公告)日：2024-01-25

申请号：US17786332

申请日：2020-12-11

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/16

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L25/167 ,  H01L2933/0033 ,  H01L2933/0016

Abstract: A display device includes a first electrode extending in a first direction; a second electrode extending in the first direction and spaced apart from, in a second direction, the first electrode; a light-emitting element having a shape extending in a direction and between the first and second electrodes such that the direction is parallel to the second direction; a first contact electrode having a shape extending in a third direction and having at least a portion on the first electrode; and a second contact electrode having a shape extending in the third direction, spaced apart from, in a fourth direction, the first contact electrode, and having at least a portion on the second electrode, the first contact electrode electrically contacts a side of the light-emitting element, and the second contact electrode electrically contacts another side of the light-emitting element.

公开(公告)号：US20230352455A1

公开(公告)日：2023-11-02

申请号：US17998629

申请日：2021-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Won Ho LEE ,  Ki Sun JANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/12 ,  H01L25/075 ,  H01L33/62 ,  H01L33/24 ,  H01L25/16

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L27/124 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

Abstract: A display device includes a substrate including a plurality of pixel areas; and a pixel provided in each of the pixel areas. The pixel may include a first electrode and a second electrode extending in a first direction on the substrate and spaced from each other in a second direction different from the first direction; a bank pattern between the substrate and the first electrode and between the substrate and the second electrode, and including at least two sub-bank patterns in a same column and spaced from each other; and a plurality of light emitting elements between the first and second electrodes. Here, each of the first and second electrodes may have at least two or more widths in the second direction along the first direction.

公开(公告)号：US20230102417A1

公开(公告)日：2023-03-30

申请号：US17792943

申请日：2021-01-14

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hoon JUNG ,  Buem Joon KIM ,  Hee Yeon YOO ,  Sung Chan JO ,  Eun A CHO ,  Hye Jung HONG ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Hyun Deok IM ,  Hyun Min CHO

IPC: C09D11/033 ,  C09D11/36 ,  C09D11/50 ,  H01L51/56 ,  C09K11/06

Abstract: A light emitting element ink includes a light emitting element solvent, and a light emitting element dispersed in the light-emitting diode solvent. The light emitting element includes semiconductor layers and an insulating film surrounding the outer surface of the semiconductor layers, wherein the light-emitting diode solvent is an organic solvent having a pKa value in a range of about 7 to about 15.

公开(公告)号：US20220278253A1

公开(公告)日：2022-09-01

申请号：US17608851

申请日：2020-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eun A YANG ,  Jong Hyuk KANG ,  Hyun Deok IM ,  Hyun Min CHO

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

Abstract: A display device includes a substrate including a display area and a non-display area; and at least one pixel provided in the display area, and including a pixel circuit layer. The display element layer includes at least one transistor, and a display element layer including at least one light emitting element emitting light, and a first electrode and a second electrode spaced apart from each other, disposed on the substrate, and each extending in a first direction, and the at least one light emitting element is electrically connected to each of the first and the second electrodes. The first electrode has at least two widths in an extension direction of the first electrode. The second electrode has at least two widths in an extension direction of the second electrode.

公开(公告)号：US20220262984A1

公开(公告)日：2022-08-18

申请号：US17610062

申请日：2020-03-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hae Yun CHOI ,  Jong Hyuk KANG ,  Hyun Deok IM ,  Jae Hoon JUNG ,  Han Su KIM ,  Eun A YANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/50 ,  H01L33/00 ,  H01L25/075

Abstract: A pixel includes a first bank pattern and a second bank pattern disposed on a base layer; a first electrode and a second electrode disposed on the first bank pattern and the second bank pattern, and spaced apart from each other; a light emitting element disposed between the first electrode and the second electrode, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; and at least one insulating layer overlapping the light emitting element and at least one of the first electrode and the second electrode. The at least one insulating layer includes at least one of a first opening adjacent to the first end of the light emitting element and a second opening adjacent to the second end of the light emitting element.

公开(公告)号：US20220130928A1

公开(公告)日：2022-04-28

申请号：US17493714

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Buem Joon KIM ,  Eun A CHO

IPC: H01L27/32

Abstract: A display device includes: a substrate; a bank having a first main opening and sub-openings extending from the first main opening; a first electrode and a second electrode on the first substrate and being spaced apart from each other in a first direction and extending in a second direction; a plurality of light-emitting elements on the first electrode and the second electrode and being spaced apart from each other in the second direction; a first connection electrode on the first electrode and contacting first ends of the light-emitting elements; and a second connection electrode on the second electrode and contacting second ends of the light-emitting elements. The first connection electrode is connected to the first electrode through a first contact, and the second connection electrode is connected to the second electrode through a second contact on the second electrode. The first contact and the second contact overlap the sub-openings.