公开(公告)号：US20220204796A1

公开(公告)日：2022-06-30

申请号：US17593438

申请日：2020-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon JUNG ,  Hee Yeon YOO ,  Hye Jung HONG ,  Hyo Jin KO ,  Duk Ki KIM ,  Jun Bo SIM ,  Sung Chan JO ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Hyun Min CHO

IPC: C09D11/50 ,  H01L33/00 ,  H01L25/075

Abstract: A method for manufacturing a display device comprises the steps of: spraying, on a target substrate having a first electrode and a second electrode formed thereon, an element ink comprising a first element solvent and light-emitting elements dispersed in the first element solvent; forming a second element solvent in which at least some bonds of the first element solvent are decomposed by irradiating light to the first element solvent and mounting the light-emitting elements on the first electrode and the second electrode; and removing the second element solvent.

公开(公告)号：US20200225544A1

公开(公告)日：2020-07-16

申请号：US16831702

申请日：2020-03-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Yeun Tae KIM ,  Do Yeong PARK ,  Se Hyun LEE

IPC: G02F1/1362 ,  G02F1/1339 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1368

Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.

公开(公告)号：US20190129265A1

公开(公告)日：2019-05-02

申请号：US16001672

申请日：2018-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Yeun Tae KIM ,  Do Yeong PARK ,  Se Hyun LEE

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1339 ,  G02F1/1343

Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.

公开(公告)号：US20230416548A1

公开(公告)日：2023-12-28

申请号：US18465881

申请日：2023-09-12

Applicant: Samsung Display Co., LTD.

Inventor： Jun Bo SIM ,  Hyo Jin KO ,  Duk Ki KIM ,  Chang Hee LEE ,  Jae Kook HA

IPC: C09D11/38 ,  C09D11/50 ,  H10K50/844 ,  H10K71/00

CPC classification number: C09D11/38 ,  C09D11/50 ,  H10K50/844 ,  H10K71/00 ,  C09K11/06

Abstract: A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.

公开(公告)号：US20210391308A1

公开(公告)日：2021-12-16

申请号：US17241943

申请日：2021-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Duk Ki KIM ,  Yong Hwi KIM ,  Hyo Jin KO ,  Chang Hee LEE ,  Chan Woo JOO ,  Jae Kook HA ,  Na Mi HONG

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  B82B3/00 ,  C09D11/50 ,  C09D11/322 ,  C09D11/38 ,  C09D11/037

Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.

公开(公告)号：US20190072814A1

公开(公告)日：2019-03-07

申请号：US16119070

申请日：2018-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Yeun Tae KIM ,  Min Wook PARK ,  Sang II PARK ,  Jun Bo SIM ,  Jin Su LEE

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1339

Abstract: A display device and a method for manufacturing the display device are provided. According to an exemplary embodiment, a display device includes: a first substrate on which a display area and a non-display area disposed outside the display area are defined; a second substrate facing the first substrate; a liquid crystal layer disposed between the first and second substrates; a first color filter disposed in the non-display area; a second color filter disposed on the first color filter; a first organic film disposed on the second color filter; and a seal pattern formed on the first organic film and overlapping with at least one of the first and second color filters.

公开(公告)号：US20250143014A1

公开(公告)日：2025-05-01

申请号：US18742389

申请日：2024-06-13

Applicant: Samsung Display Co., LTD.

Inventor： Jun Bo SIM ,  Jun Youn KIM ,  Joo Woan CHO ,  Jin Taek PARK ,  So Young YEO ,  Dong Eon LEE ,  Jae Hoon JUNG

IPC: H01L33/00 ,  H01L25/075

Abstract: A method for manufacturing a display device includes manufacturing an epitaxial wafer including an epitaxial thin film, dividing the epitaxial wafer into wafer dies having a size corresponding to an area of each cell area of a backplane substrate including cell areas, transferring the wafer dies to a carrier substrate, forming a conductive bonding layer on epitaxial dies of the wafer dies, disposing the carrier substrate on the backplane substrate such that the epitaxial dies are disposed in each cell area of the backplane substrate and bonding the epitaxial dies onto the backplane substrate, removing the carrier substrate from the epitaxial dies, and etching the epitaxial dies to form respective light emitting elements in emission areas included in each cell area of the backplane substrate.

公开(公告)号：US20220199863A1

公开(公告)日：2022-06-23

申请号：US17513302

申请日：2021-10-28

Applicant: Samsung Display Co., LTD.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Jun Bo SIM ,  Jae Kook HA ,  Dong Uk KIM ,  In Pyo KIM ,  Je Won YOO ,  Hyun Min CHO ,  Chan Woo JOO ,  Na Mi HONG

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

Abstract: A method for manufacturing a light emitting element includes forming a first semiconductor layer on a substrate, the first semiconductor layer including a semiconductor of a first type; forming an active layer on the first semiconductor layer; forming a second semiconductor layer on the active layer, the second semiconductor layer including a semiconductor of a second type different from the first type; performing an etching process of removing at least a portion of each of the first semiconductor layer, the active layer, and the second semiconductor layer in a direction toward the first semiconductor layer from the second semiconductor layer; and forming a first insulating layer to surround an outer surface of the active layer. The first insulating layer is formed by a wet process.

公开(公告)号：US20220037559A1

公开(公告)日：2022-02-03

申请号：US17319602

申请日：2021-05-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jin KO ,  Duk Ki KIM ,  Jun Bo SIM ,  Na Mi HONG ,  Yong Hwi KIM ,  Chang Hee LEE ,  Jae Kook HA

IPC: H01L33/26 ,  G02F1/167 ,  C09D11/50 ,  C09D11/38 ,  C09K11/02 ,  H01L33/42 ,  H01L33/50

Abstract: A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.

公开(公告)号：US20190086719A1

公开(公告)日：2019-03-21

申请号：US15952120

申请日：2018-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Yeun Tae KIM ,  Min Wook PARK ,  Sang Il PARK ,  Ji Won SOHN ,  Jun Bo SIM

IPC: G02F1/1335 ,  G02F1/1339 ,  G02F1/1333 ,  G02F1/1362 ,  H01L27/12

Abstract: A display device includes a first substrate, thin film transistors, a color filter layer, a light blocking pattern, a second substrate, pixel electrodes, and, a plurality of first spacers. The first substrate includes a display area having a plurality of pixel areas and a non-display area surrounding at least part of the display area, the display area including an interior area and at least one peripheral area disposed exteriorly of the interior area. The second substrate defines with the first substrate a space to contain light transmittance material. The plurality of first spacers is disposed in the light transmittance space between the first and second substrates and only in the interior area of the display area.