公开(公告)号：US11618257B2

公开(公告)日：2023-04-04

申请号：US17190367

申请日：2021-03-02

Applicant: Samsung Display Co., LTD.

Inventor： Seon Uk Lee ,  Kang Soo Han ,  Che Ho Lim ,  Don Chan Cho ,  Hak Bum Choi

IPC: B41J2/14

Abstract: An inkjet printing apparatus includes: a passage plate in which a head chamber is disposed; and a plurality of nozzle plates disposed below the passage plate, the plurality of nozzle plates comprising a nozzle that is in fluid connection with the head chamber. The plurality of nozzle plates are stacked on each other, and the nozzle of the plurality of nozzle plates comprises a plurality of through holes passing through the plurality of nozzle plates and overlapping each other.

公开(公告)号：US12023938B2

公开(公告)日：2024-07-02

申请号：US17496341

申请日：2021-10-07

Applicant: Samsung Display Co., LTD.

Inventor： Hwa Yeul Oh ,  Kanguk Kim ,  Jeongki Kim ,  Jong-Hoon Kim ,  Jiseong Yang ,  Kang Soo Han

IPC: B41J2/21 ,  B41J2/14 ,  B41J11/00

CPC classification number: B41J2/2132 ,  B41J2/1433

Abstract: An inkjet printing method includes moving an inkjet head to discharge ink to a substrate including printing row areas, discharging ink to a first printing row area and a second printing row area among the printing row areas, discharging ink to a third printing row area among the printing row areas and the second printing row area, and discharging ink only to the first printing row area.

公开(公告)号：US10908453B2

公开(公告)日：2021-02-02

申请号：US15399361

申请日：2017-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Soo Han ,  Yun Jong Yeo ,  Dong Uk Kim ,  Hyun Min Cho ,  Hyung Bin Cho ,  Ji Hun Kim ,  Sung Won Cho ,  Young Min Kim ,  Hae Il Park ,  Seung Jin Baek ,  Dae Young Lee ,  Kun Hee Jo ,  Gug Rae Jo

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A display device includes a first substrate, a first wavelength conversion layer and a second wavelength conversion layer disposed on the first substrate and spaced apart from each other, and a polarization layer disposed on the first wavelength conversion layer and the second wavelength conversion layer, the polarization layer including a reflection portion and a transmitting portion, in which the reflection portion overlaps a gap formed between the first wavelength conversion layer and the second wavelength conversion layer.

公开(公告)号：US11376800B2

公开(公告)日：2022-07-05

申请号：US16983326

申请日：2020-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Soo Han ,  Moonjung An ,  Gugrae Jo ,  Hyungbin Cho

IPC: B29C69/00 ,  G03F7/00 ,  B29C59/02 ,  B29C33/38

Abstract: An imprint master template including a first fine pattern unit having an upper surface on which a fine pattern is formed, a second fine pattern unit disposed adjacent to the first fine pattern unit and having an upper surface on which a fine pattern is formed, and a supporting part configured to support the first fine pattern unit and the second fine pattern unit. A side surface of the first fine pattern unit faces a side surface of the second fine pattern unit. The side surface of the first fine pattern unit includes a first surface which is perpendicular to the upper surface and a second surface which is inclined at a predetermined angle with respect to the first surface. The side surface of the second fine pattern unit includes a first surface which is perpendicular to the upper surface and a second surface which is inclined at a predetermined angle with respect to the first surface.

公开(公告)号：US20220024208A1

公开(公告)日：2022-01-27

申请号：US17190367

申请日：2021-03-02

Applicant: Samsung Display Co., LTD.

Inventor： Seon Uk LEE ,  Kang Soo Han ,  Che Ho Lim ,  Don Chan Cho ,  Hak Bum Choi

IPC: B41J2/14

Abstract: An inkjet printing apparatus includes: a passage plate in which a head chamber is disposed; and a plurality of nozzle plates disposed below the passage plate, the plurality of nozzle plates comprising a nozzle that is in fluid connection with the head chamber. The plurality of nozzle plates are stacked on each other, and the nozzle of the plurality of nozzle plates comprises a plurality of through holes passing through the plurality of nozzle plates and overlapping each other.

公开(公告)号：US10751953B2

公开(公告)日：2020-08-25

申请号：US15469946

申请日：2017-03-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Soo Han ,  Moonjung An ,  Gugrae Jo ,  Hyungbin Cho

IPC: B29C69/00 ,  G03F7/00 ,  B29C59/02 ,  B29C33/38

Abstract: A method of manufacturing an imprint master template including forming a cutting line guide at an edge of a first fine pattern unit having an upper surface on which a fine pattern is formed; cutting a wafer substrate by a cleaving process along the cutting line guide so that a cutting surface is formed, the cutting surface having a preliminary second surface where the cutting line guide was formed and a first surface which is formed by the cleaving process; polishing the preliminary second surface to form a second surface which is inclined at a predetermined angle with respect to the first surface; and bonding the first fine pattern unit and the second fine pattern unit to each other with the first surface of the first fine pattern unit facing the first surface of the second fine pattern unit.

公开(公告)号：US12122157B2

公开(公告)日：2024-10-22

申请号：US17869697

申请日：2022-07-20

Applicant: Samsung Display Co., LTD.

Inventor： Dong Jun Lee ,  Che Ho Lim ,  Kang Soo Han ,  Ho-Yong Shin ,  Gyeong Eun Eoh ,  Jun Hwi Lim

IPC: B41J2/14 ,  B41J2/175 ,  B41J2/18

CPC classification number: B41J2/14201 ,  B41J2/17563 ,  B41J2/18 ,  B41J2002/14403 ,  B41J2002/14419 ,  B41J2/17503 ,  B41J2202/12

Abstract: An embodiment of the present invention provides an inkjet head including: a head body having a storage chamber capable of storing ink; a first inlet pipe and a second inlet pipe connected to the head body and which extend in first different directions and inject the ink in the first different directions; a first outlet pipe and a second outlet pipe connected to the head body and which extend in second different directions and eject the ink in the second different directions; and a nozzle plate positioned under the head body and which includes a plurality of nozzles.

公开(公告)号：US12113147B2

公开(公告)日：2024-10-08

申请号：US17859700

申请日：2022-07-07

Applicant: Samsung Display Co., LTD.

Inventor： Kang Soo Han ,  Ju Yong Kim ,  Ho Yong Shin ,  Gyeong Eun Eoh ,  Jun Hwi Lim

IPC: H01L33/00 ,  B41J2/175 ,  H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L33/005 ,  B41J2/17566 ,  H01L27/156 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L2933/0016

Abstract: A method for inkjet printing includes setting a target volume and a target concentration of ink discharged to a pixel, measuring a volume and a concentration of a liquid drop for each of nozzles, selecting first nozzle groups for achieving the target volume, from a volume pool of the liquid drop for each of the nozzles, selecting second nozzle groups for achieving the target concentration, from the first nozzle groups, selecting recipes by combining brightness trend lines, from the second nozzle groups, performing a printing simulation for each of the recipes to select a final recipe, and performing inkjet printing by using the final recipe.

公开(公告)号：US11760097B2

公开(公告)日：2023-09-19

申请号：US17407431

申请日：2021-08-20

Applicant: Samsung Display Co., LTD.

Inventor： Kang Soo Han ,  Seon Uk Lee ,  Kanguk Kim ,  Ho-Yong Shin ,  Cheho Lim ,  Donchan Cho

IPC: B41J2/17

CPC classification number: B41J2/1721

Abstract: An inkjet circulation apparatus may include at least one inkjet printer including a supplier into which an ink is injected, a discharger connected to the supplier, and discharging the ink injected from the supplier, and a drain connected to the discharger and the supplier, and injecting the ink in the discharger into the supplier, at least one collector capable of containing an inert gas and the ink discharged from the discharger, and a contact member sealing between the discharger and the collector.

公开(公告)号：US12166158B2

公开(公告)日：2024-12-10

申请号：US17526501

申请日：2021-11-15

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Ki Kim ,  Kang Soo Han ,  Jong-Hoon Kim ,  Hwa Yeul Oh ,  Hye Jun Woo

IPC: H01L33/50

Abstract: A color conversion panel includes light blocking members spaced apart from each other on a substrate; and a first color conversion layer, a second color conversion layer, and a transmission layer respectively disposed between the light blocking members, wherein the transmission layer includes first quantum dots, and the first quantum dots convert incident light into light having a wavelength in a range of about 480 nm to about 530 nm.