公开(公告)号：US20240297164A1

公开(公告)日：2024-09-05

申请号：US18461743

申请日：2023-09-06

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display device includes a base layer including an inner hole, a pixel circuit layer disposed on the base layer and including a pixel circuit, and a light emitting element disposed on the pixel circuit layer.

公开(公告)号：US20240213411A1

公开(公告)日：2024-06-27

申请号：US18500226

申请日：2023-11-02

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/38 ,  G09G3/32 ,  H01L25/16

CPC classification number: H01L33/385 ,  G09G3/32 ,  H01L25/167 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861

Abstract: A display device includes: a first light emitting element disposed in a first light emitting area; a second light emitting element disposed in a second light emitting area; a first contact electrode electrically connected to a first end portion of the first light emitting element; a second contact electrode electrically connected to a second end portion of the first light emitting element; a third contact electrode electrically connected to a first end portion of the second light emitting element; and a connection electrode electrically connected to the second contact electrode and bypassing the first contact electrode to be electrically connected to the third contact electrode.

公开(公告)号：US20220085246A1

公开(公告)日：2022-03-17

申请号：US17411664

申请日：2021-08-25

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device comprises a substrate, a first electrode and a second electrode disposed on the substrate, a first insulating layer disposed on the first electrode and the second electrode, first light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode to contact first ends of the first light emitting elements and a second connection electrode disposed on the second electrode to contact second ends of the first light emitting elements, a second insulating layer disposed on the first light emitting elements, the first connection electrode and the second connection electrode, second light emitting elements disposed on the second insulating layer, a third connection electrode disposed on the first connection electrode to contact first ends of the second light emitting elements, and a fourth connection electrode disposed on the second connection electrode to contact second ends of the second light emitting elements.

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：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：US20220165911A1

公开(公告)日：2022-05-26

申请号：US17519248

申请日：2021-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Cheol Ku KANG ,  Buem Joon KIM ,  Won Kyu KIM

IPC: H01L33/00 ,  H01L21/68

Abstract: An apparatus for manufacturing a display device, comprising a stage, a first electric-field-applying module on a first side of the stage, and including first probe pins, a first light-irradiating module above the stage, and configured to irradiate light to the stage, a first light emission driver configured to transmit a first emission driving signal to the first light-irradiating module, and a signal output unit configured to output a first emission timing signal for setting light irradiation timing of the first light-irradiating module to the first light emission driver, to output a first alignment signal to any one of the first probe pins, and to output a second alignment signal to another one of the first probe pins, wherein the first emission timing signal and the second alignment signal are alternating current (AC) signals, and wherein periods of the first emission timing signal and the second alignment signal are the same.

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：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：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.

公开(公告)号：US20220262846A1

公开(公告)日：2022-08-18

申请号：US17454016

申请日：2021-11-08

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A display device in accordance with some embodiments may include a base layer, a first bank pattern and a second bank pattern on the base layer, and spaced apart from each other in a first direction, a first electrode overlapping the first bank pattern, a second electrode overlapping the second bank pattern, and a light emitting element aligned between the first electrode and the second electrode, wherein a distance between an end of the first electrode and an end of the first bank pattern differs from a distance between an end of the second electrode and an end of the second bank pattern in the first direction.