公开(公告)号：US20230150277A1

公开(公告)日：2023-05-18

申请号：US17920538

申请日：2021-04-01

Applicant: Samsung Display Co., LTD.

Inventor： Byung Chul LEE ,  Heung Cheol JEONG ,  Myung Soo HUH ,  Jin Oh KWAG

IPC: B41J11/00

CPC classification number: B41J11/00216

Abstract: Provided are an inkjet printing apparatus and a printing method of a bipolar element by using the inkjet printing apparatus. The inkjet printing apparatus includes: a stage that moves in a first direction; an inkjet device that sprays ink on the stage; a. plurality of electric field generating devices that generate an electric field on the stage, are spaced apart from the stage, and are movable in the first direction independently from the stage; a light irradiation device that irradiates the stage with light; and a drying device that dries the ink sprayed on the stage, wherein the inkjet device, the light irradiation device, and the drying device are arranged along the first direction,

公开(公告)号：US20210336142A1

公开(公告)日：2021-10-28

申请号：US17278126

申请日：2019-04-08

Applicant: Samsung Display Co., LTD.

Inventor： Heung Cheol JEONG ,  Byung Chul LEE ,  Myung Soo HUH ,  Jin Oh KWAG ,  Do Hun LEE

IPC: H01L51/00

Abstract: An inkjet printing apparatus, a dipole alignment method, and a display device manufacturing method are provided. The inkjet printing apparatus includes a stage, a print head part disposed above the stage, and an electric field generating part that provides an electric field to a space between the stage and the print head part. The dipole alignment method includes providing an electric field at an area above a target substrate, spraying ink including a dipole onto the target substrate through the area, and landing the dipole on the target substrate. The display device manufacturing method includes preparing a base layer on which first and second electrodes are disposed, spraying ink including a light emitting element onto the base layer through the area, landing the light emitting element between the first and second electrodes.

公开(公告)号：US20230286292A1

公开(公告)日：2023-09-14

申请号：US18013633

申请日：2021-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Byung Chul LEE ,  Heung Cheol JEONG ,  Myung Soo HUH ,  Jin Oh KWAG ,  Do Hun LEE

IPC: B41J11/00

CPC classification number: B41J11/0015 ,  B41J11/005

Abstract: An inkjet printing apparatus includes: an airflow stage extending in a first direction; a print head unit disposed above the airflow stage; and an electric field generating unit that moves in the first direction and generates electric field above the airflow stage.

公开(公告)号：US20230055700A1

公开(公告)日：2023-02-23

申请号：US17904370

申请日：2020-06-02

Applicant: Samsung Display Co., LTD.

Inventor： Byung Chul LEE ,  Heung Cheol JEONG ,  Myung Soo HUH ,  Cheol Lae ROH ,  Do Hun LEE

IPC: B41J2/045 ,  G01N15/14

Abstract: Provided are an inkjet printing apparatus and a method for inspecting an inkjet head using same. The inkjet printing apparatus comprises: an inspection stage unit on which an inspection substrate is seated; an inkjet head unit including at least one inkjet head that ejects ink containing dipoles and a solvent in which the dipoles disperse, on the inspection stage unit; and a particle count inspection unit that is located so as to be spaced apart from the inkjet head unit in one direction. The particle count inspection unit comprises: a first heat treatment unit that is located on the top portion of the inspection stage unit; and a first sensing unit that is located on the bottom portion of the inspection stage unit and measures the number of dipoles sprayed onto the inspection substrate.

公开(公告)号：US20220080725A1

公开(公告)日：2022-03-17

申请号：US17420438

申请日：2019-03-13

Applicant: Samsung Display Co., LTD.

Inventor： Byung Chul LEE ,  Heung Cheol JEONG ,  Myung Soo HUH ,  Min Soo KIM ,  Jae Ha LIM

IPC: B41J2/045

Abstract: An inkjet printing device includes a stage part including a stage, an inkjet head part including at least one inkjet head that disposes an ink on the stage, the ink including dipoles and a solvent having the dipoles, a heat treatment device that removes the solvent, a first sensing part that measures a position of the ink disposed on the stage, a second sensing part that measures a position of the inkjet head, and a third sensing part that measures a position of each of the dipoles disposed on the stage. A dipole aligning method includes disposing an ink on a substrate, the ink including dipoles and a solvent having the dipoles, generating an electric field on the substrate and disposing the dipoles on the substrate by the electric field, removing the solvent, and measuring a position of each of the dipoles disposed on the substrate.

公开(公告)号：US20160201195A1

公开(公告)日：2016-07-14

申请号：US14739149

申请日：2015-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Byung Chul LEE ,  Gan Young PARK ,  Chang Sik LEE ,  Seong Ho JEONG ,  Hyun CHOI

IPC: C23C16/455

CPC classification number: C23C14/243 ,  C23C14/12 ,  H01L51/001

Abstract: A deposition apparatus includes: a deposition source disposed facing a substrate and configured to accommodate a deposition material; and a plurality of injection nozzles arranged from one side of the deposition source along a first direction, the plurality of injection nozzles configured to inject the deposition material onto the substrate, each injection nozzle including: a first injection part including a first injection passage which has one end connected to the deposition source and extends along a second direction between the deposition source and the substrate, and a second injection part including a second injection passage which has walls extending from the other end of the first injection passage in a direction inclined at a predetermined inclined angle with respect to the second direction, wherein the first direction is a length direction of the deposition source and the second direction is a height direction of the deposition source.

Abstract translation: 沉积设备包括：沉积源，其面向基板设置并且构造成容纳沉积材料; 以及多个喷射喷嘴，其沿着第一方向从所述沉积源的一侧排列，所述多个注射喷嘴被配置为将所述沉积材料注入到所述基板上，每个喷射喷嘴包括：第一喷射部分，其包括第一喷射通道， 一端连接到沉积源并沿沉积源和衬底之间的第二方向延伸，第二注射部分包括第二注射通道，该第二注射通道具有从第一注射通道的另一端沿着倾斜的方向延伸的壁 相对于第二方向的预定倾斜角，其中第一方向是沉积源的长度方向，第二方向是沉积源的高度方向。