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.

公开(公告)号：US20220328558A1

公开(公告)日：2022-10-13

申请号：US17522373

申请日：2021-11-09

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/40 ,  H01L33/44

Abstract: A light emitting element includes a core structure, which includes a first light emitting element core, a second light emitting element core spaced apart from the first light emitting element core, and a first bonding layer between the first light emitting element core and the second light emitting element core, each of the first light emitting element core and the second light emitting element core includes a first semiconductor layer, a second semiconductor layer spaced apart from the first semiconductor layer, and an element active layer between the first semiconductor layer and the second semiconductor layer, and a stacking direction of the first semiconductor layer, the element active layer, and the second semiconductor layer of the first light emitting element core is opposite to a stacking direction of the first semiconductor layer, the element active layer and the second semiconductor layer of the second light emitting element core.

公开(公告)号：US20220181383A1

公开(公告)日：2022-06-09

申请号：US17395804

申请日：2021-08-06

Applicant: Samsung Display Co., LTD.

Inventor： Eun A CHO ,  Jong Hyuk KANG ,  Won Ho LEE

IPC: H01L27/15 ,  H01L29/786 ,  H01L33/24 ,  H01L33/38

Abstract: A pixel includes a light emitting area including a central portion and an outer portion, a non-light emitting area surrounding the light emitting area, a first electrode and a second electrode that are spaced apart from each other in the light emitting area, and a first light emitting element disposed between the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other at a first interval in the central portion, and are spaced apart from each other at a second interval in the outer portion. The second interval is larger than the first interval. An interval between the first electrode and the second electrode gradually increases from the central portion to the outer portion.

公开(公告)号：US20220037299A1

公开(公告)日：2022-02-03

申请号：US17277270

申请日：2019-05-29

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L25/16 ,  H01L27/12

Abstract: A display device and a method of manufacturing the same are provided. The display device comprises a first area which extends in a first direction, a second area which extends in the first direction and is alongside the first area in a second direction intersecting the first direction, at least one first light emitting element in the first area, at least one second light emitting element in the second area, at least one first wiring coupled to an end of the first light emitting element in the first area and that extends in the first direction and at least one second wiring coupled to an end of the second light emitting element in the second area and that extends in the first direction, wherein the first wiring and the second wiring are electrically isolated from each other.

公开(公告)号：US20220005719A1

公开(公告)日：2022-01-06

申请号：US17191018

申请日：2021-03-03

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L21/68 ,  H01L25/075 ,  H01L21/67 ,  H01L23/00

Abstract: An apparatus for aligning dipoles is provided. The apparatus includes: an electric field forming unit including a stage and a probe unit, the probe unit being configured to form an electric field on the stage; an inkjet printing device including an inkjet head, the inkjet head being configured to spray ink including a solvent and dipoles dispersed in the solvent onto the stage; a light irradiation device configured to irradiate light onto the stage; and a temperature control device including a temperature control unit, the temperature control unit being configured to control a temperature of the solvent sprayed on the stage.

公开(公告)号：US20210126158A1

公开(公告)日：2021-04-29

申请号：US17255795

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hyuk KANG ,  Won Ho LEE ,  Hyun Deok IM ,  Young Hoi KIM ,  Jin Young KIM ,  Hyun Min CHO ,  Hae Yun CHOI

IPC: H01L33/00 ,  H01L25/075

Abstract: An apparatus for manufacturing a light emitting display device includes a stage, and at least one electric-field application module disposed on at least one side of the stage. The apparatus further includes at least one of: at least one printing head disposed above the stage, and a heating element disposed adjacent the stage. The at least one electric-field application module includes a probe head having at least one probe pin, and a driver connected to the probe head to move the probe head.

公开(公告)号：US20240363819A1

公开(公告)日：2024-10-31

申请号：US18625090

申请日：2024-04-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Buem Joon KIM ,  Soo Jo OCK ,  Won Ho LEE

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

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/38 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a substrate, a first electrode, a second electrode, and a third electrode extending in a first direction on the substrate and spaced from each other, a first insulating layer on the first electrode, the second electrode, and the third electrode and including openings exposing an upper surface of the first electrode, a bank layer on the first electrode, the second electrode, the third electrode, and the first insulating layer to partition an emission area, light-emitting elements on the first electrode and the first insulating layer, and a first connection electrode in contact with one ends of the light-emitting elements and a second connection electrode in contact with opposite ends of the light-emitting elements, wherein the light-emitting elements are in contact with the upper surface of the first electrode through the openings of the first insulating layer.

公开(公告)号：US20230155067A1

公开(公告)日：2023-05-18

申请号：US17920516

申请日：2021-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok IM ,  Won Sik OH ,  Won Ho LEE ,  Jong Hyuk KANG ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L33/20 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L33/387 ,  H01L33/20 ,  H01L33/62 ,  H01L25/0753 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: According to an embodiment, a pixel may include a first area and a second area partitioned in a first direction, (1-1)-th and (2-1)-th electrodes disposed in the first area and spaced apart in a second direction different from the first direction, (1-2)-th and (2-2)-th electrodes disposed in the second area and spaced apart in the second direction, light emitting elements disposed between the (1-1)-th and (2-1)-th electrodes and between the (1-2)-th and (2-2)-th electrodes, a contact electrode disposed on the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, an insulating layer disposed between each of the (1-1)-th and (2-1)-th electrodes and the (1-2)-th and (2-2)-th electrodes, and the contact electrode, and including a first opening exposing a portion of the (1-1)-th electrode; and a first intermediate electrode electrically connecting the contact electrode on the (2-1)-th electrode and the contact electrode on the (1-2)-th electrode.

公开(公告)号：US20230078237A1

公开(公告)日：2023-03-16

申请号：US17801428

申请日：2020-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ho LEE ,  Hyun Deok IM ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Sung-Chan JO

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/06 ,  H01L33/24 ,  H01L33/44 ,  H01L21/67 ,  G06T7/00

Abstract: An inspection device, and a method of inspecting and a method of repairing a display panel using the inspection device are provided. The method of inspecting the display panel including light emitting elements includes acquiring an image of the display panel, and determining an alignment degree of the light emitting elements in the display panel.

公开(公告)号：US20220415965A1

公开(公告)日：2022-12-29

申请号：US17747602

申请日：2022-05-18

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok IM ,  Buem Joon KIM ,  Won Ho LEE ,  Hae Yun CHOI

IPC: H01L27/15 ,  H01L33/38

Abstract: A display device includes: a first sub-pixel having a first emission area and a first sub-area adjacent to each other in a first direction; and a bank extending around a portion of the first emission area and the first sub-area. The bank includes: a first wall extending around the first sub-area; and a second wall adjacent to the first emission area in a second direction crossing the first direction. The second wall and the first wall are spaced apart from each other in the first direction.