公开(公告)号：US20210359166A1

公开(公告)日：2021-11-18

申请号：US17284349

申请日：2019-04-23

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/38 ,  H01L33/00

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：US20210273131A1

公开(公告)日：2021-09-02

申请号：US17278101

申请日：2019-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hyuk KANG ,  Won Ho LEE ,  Hyun Deok IM ,  Jin Oh KWAG ,  Hyun Min CHO ,  Won Kyu KIM ,  Keun Kyu SONG

IPC: H01L33/00 ,  H01L25/075

Abstract: A method of aligning light emitting elements includes applying a ground voltage to a first electrode and applying a first AC voltage to a second electrode spaced apart from the first electrode; and applying a ground voltage to the first electrode and applying a second AC voltage to the second electrode, wherein the first AC voltage has an asymmetric waveform.

公开(公告)号：US20210225993A1

公开(公告)日：2021-07-22

申请号：US17255985

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Jung Hong MIN ,  Bek Hyun LIM ,  Hyun Min CHO

IPC: H01L27/32

Abstract: A display device includes: a first pixel stem wiring and a common stem wiring extending in a first direction and spaced apart from each other; a first pixel branch wiring branched from the first pixel stem wiring and extending in a second direction crossing the first direction; a common branch wiring branched from the common stem wiring and extending in the second direction; and a first light emitting element between the first pixel branch wiring and the common branch wiring. The first pixel branch wiring includes a base branch pattern connected to the first pixel stem wiring, a separate branch pattern spaced apart from the base branch pattern, and a bridge wiring connecting the base branch pattern to the separate branch pattern

公开(公告)号：US20200286947A1

公开(公告)日：2020-09-10

申请号：US16881788

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  F21K9/68 ,  H01L25/075

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20140043851A1

公开(公告)日：2014-02-13

申请号：US13962598

申请日：2013-08-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok IM ,  Hyun Jin CHO ,  Oleg PRUDNIKOV ,  Dae Ho YOON ,  Byoung Ho CHEONG

IPC: F21V8/00

CPC classification number: G02B6/0011 ,  G02B6/0045 ,  G02B6/0046 ,  G02B6/0053 ,  G02B6/0068 ,  G02F1/133615

Abstract: A lighting unit for a display device includes: a plurality of light sources which emits light; a wedge-shaped light guide having an incident surface disposed close to the light sources and an opposing surface disposed opposite the incident surface; and a lens sheet disposed on the light guide, where the lens sheet includes a plurality of lenses, each having an axis in a direction from the incident surface to the opposing surface, where the light guide is thinner at the incident surface than at the opposing surface, and a radius of curvature of each of the lenses is larger at the incident surface than the opposing surface.

Abstract translation: 用于显示装置的照明单元包括：发射光的多个光源; 具有靠近光源设置的入射面的楔形导光体和与入射面相对设置的相对面; 以及设置在所述导光体上的透镜片，其中，所述透镜片包括多个透镜，每个透镜具有从入射表面到相对表面的方向上的轴线，其中所述光导在入射表面处比在所述对置面处更薄 表面，并且每个透镜的曲率半径在入射表面处比相对表面大。

公开(公告)号：US20240258483A1

公开(公告)日：2024-08-01

申请号：US18419086

申请日：2024-01-22

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Jong Hyuk KANG ,  Soo Jo OCK ,  Won Ho LEE

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/48

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/483 ,  H01L2933/0066

Abstract: According to one or more embodiments of the present disclosure, a display device may include a substrate including a first emission area and a second emission area spaced from the first emission area in a first direction, a bank partitioning the first emission area and the second emission area, a first alignment electrode covering the first emission area in a plan view, a second alignment electrode spaced from the second alignment electrode and covering the second emission area in a plan view, first light emitting elements on the first alignment electrode, and second light emitting elements on the second alignment electrode.

公开(公告)号：US20240063359A1

公开(公告)日：2024-02-22

申请号：US18497954

申请日：2023-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Hyun Deok IM ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Joo Yeol LEE ,  Bek Hyun LIM ,  SUNG-CHAN JO

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

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1259 ,  H01L33/38 ,  H01L33/24

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element having a first end portion and a second end portion in a length direction thereof; first and second partition walls on the substrate, and the first and second partition walls being spaced apart from each other; a first reflective electrode on the first partition wall and a second reflective electrode on the second partition wall; a first contact electrode on the first reflective electrode, the first contact electrode connecting the first reflective electrode and the first end portion of the light emitting element; a second contact electrode on the second reflective electrode, the second contact electrode connecting the second reflective electrode and the second end portion of the light emitting element; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second reflective electrodes when viewed on a plane.

公开(公告)号：US20230231000A1

公开(公告)日：2023-07-20

申请号：US18123429

申请日：2023-03-20

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/15 ,  H01L25/075 ,  H01L33/00 ,  H01L33/40 ,  F21K9/68 ,  H01L33/62 ,  H01L33/60

CPC classification number: H01L27/15 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/405 ,  F21K9/68 ,  H01L33/62 ,  H01L33/60

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20220415962A1

公开(公告)日：2022-12-29

申请号：US17677360

申请日：2022-02-22

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate including a pixel area, and a pixel disposed in the pixel area and including an emission area and a non-emission area. The pixel includes a first alignment electrode and a second alignment electrode spaced from each other on the substrate, an insulating layer disposed on the first and second alignment electrodes, at least one light emitting element disposed on the insulating layer between the first alignment electrode and the second alignment electrode in the emission area, a pattern disposed between the at least one light emitting element and the insulating layer and including a hydrophilic group, and a bank disposed on the insulating layer in the non-emission area and including a first opening corresponding to the emission area and a second opening spaced from the first opening of the bank.

公开(公告)号：US20220406972A1

公开(公告)日：2022-12-22

申请号：US17756038

申请日：2020-09-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Won Kyu KIM ,  Won Ho LEE ,  Jong Hyuk KANG ,  Hyun Min CHO

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

Abstract: A display device according to an embodiment of the present disclosure includes a substrate, and a display element layer provided on a first surface of the substrate and including a plurality of light emitting elements. The display element layer may include a first electrode and a second electrode configured to extend in a first direction and spaced apart from each other in a second direction different from the first direction, and a third electrode configured to extend in the first direction and face the second electrode with the first electrode interposed therebetween. The first electrode includes a first protrusion protruding toward the second electrode, the second electrode includes a second protrusion protruding toward the first electrode, and the first protrusion and the second protrusion are alternately arranged in the first direction. Each of the light emitting elements may be provided between the first protrusion and the second protrusion, and first ends of respective light emitting elements may be aligned toward one of the first electrode and the second electrode.