公开(公告)号：US20240099064A1

公开(公告)日：2024-03-21

申请号：US18363953

申请日：2023-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Yong Su LEE ,  SEUNG-JUN LEE ,  JAEWOO LEE ,  Sung Chan JO

IPC: H10K59/121

CPC classification number: H10K59/1213

Abstract: A display device includes a semiconductor layer positioned on a substrate and including a driving transistor and a plurality of transistors; a gate conductive layer positioned on the semiconductor layer; and a data conductive layer positioned on the gate conductive layer. The driving transistor has a linear shape in which a plurality of grooves are formed.

公开(公告)号：US20230275197A1

公开(公告)日：2023-08-31

申请号：US18018255

申请日：2021-05-04

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun KIM ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO ,  Tae Jin KONG ,  Ock Soo SON ,  Chang Il TAE

IPC: H01L33/50 ,  H01L25/16 ,  H01L33/60

CPC classification number: H01L33/505 ,  H01L25/167 ,  H01L33/60

Abstract: A display device including: a first substrate on which a plurality of sub-pixels are located; a plurality of color filter layers on the first substrate; a bank layer including a first bank at a boundary between the plurality of sub-pixels and located on the color filter layers; a color control structure including a plurality of light transmitting layers and wavelength conversion layers in a region surrounded by the first bank on the color filter layer; a light emitting element layer between the color filter layer and the color control structure; a reflective layer on the color control structure; and a first electrode and a second electrode on the color filter layer and at least partially located at the same plane, wherein the light emitting element layer includes a plurality of light emitting elements, each of the light emitting elements having respective ends on the first and second electrodes.

公开(公告)号：US20230102417A1

公开(公告)日：2023-03-30

申请号：US17792943

申请日：2021-01-14

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hoon JUNG ,  Buem Joon KIM ,  Hee Yeon YOO ,  Sung Chan JO ,  Eun A CHO ,  Hye Jung HONG ,  Jong Hyuk KANG ,  Keun Kyu SONG ,  Hyun Deok IM ,  Hyun Min CHO

IPC: C09D11/033 ,  C09D11/36 ,  C09D11/50 ,  H01L51/56 ,  C09K11/06

Abstract: A light emitting element ink includes a light emitting element solvent, and a light emitting element dispersed in the light-emitting diode solvent. The light emitting element includes semiconductor layers and an insulating film surrounding the outer surface of the semiconductor layers, wherein the light-emitting diode solvent is an organic solvent having a pKa value in a range of about 7 to about 15.

公开(公告)号：US20220376144A1

公开(公告)日：2022-11-24

申请号：US17636218

申请日：2020-02-27

Applicant: Samsung Display Co., LTD.

Inventor： Moon Jung AN ,  Sung Chan JO ,  Hoo Keun PARK ,  Chul Jong YOO ,  Hye Lim KANG ,  Dong Gyun KIM ,  Dong Eon LEE ,  Hyun Min CHO

IPC: H01L33/44 ,  H01L25/16 ,  H01L23/00 ,  H01L33/42

Abstract: A light emitting element includes: a first semiconductor layer doped with a first polarity; a second semiconductor layer doped with a second polarity different from the first polarity; an active layer between the first semiconductor layer and the second semiconductor layer in a first direction; and an insulating film surrounding an outer surface of at least the active layer and extending in the first direction. A thickness of a first portion of the insulating film surrounding the active layer is in a range of 10% to 16% of a diameter of the active layer.

公开(公告)号：US20220320365A1

公开(公告)日：2022-10-06

申请号：US17628981

申请日：2020-02-27

Applicant: Samsung Display Co., LTD.

Inventor： An Na RYU ,  Jin Oh KWAG ,  Sung Hoon KIM ,  Dong Ho LEE ,  Sung Chan JO

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  B41J2/06

Abstract: Provided are an inkjet printing device, a method for aligning a bipolar element, and a method for manufacturing a display device. The inkjet printing device is for ejecting ink and includes a bipolar element extending in one direction. The inkjet printing device comprises: an electric field generation unit which includes a stage and a probe unit for generating an electric field on the stage; and an inkjet head which is positioned above the stage and includes a plurality of nozzles through which the ink is ejected, wherein the nozzles includes an inlet having a first diameter and an outlet connected to the inlet and having a second diameter smaller than the first diameter.

公开(公告)号：US20210280753A1

公开(公告)日：2021-09-09

申请号：US17258145

申请日：2018-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Keun Kyu SONG ,  Je Won YOO ,  Bek Hyun LIM ,  Sung Chan JO

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/62

Abstract: A display device and method of manufacturing a display device. The display device includes a first electrode, a second electrode facing the first electrode, a first insulating layer on the first electrode and the second electrode and between the first electrode and the second electrode, a light emitting element on the first insulating layer, a second insulating layer covering the light emitting element and exposing end portions of the light emitting element, a third insulating layer on the second insulating layer, a first contact electrode electrically connected to the first electrode, on the third insulating layer and in contact with a first end portion of the light emitting element exposed by the second insulating layer, and a second contact electrode electrically connected to the second electrode, on the third insulating layer and in contact with a second end portion of the light emitting element exposed by the second insulating layer.

公开(公告)号：US20180261657A1

公开(公告)日：2018-09-13

申请号：US15794060

申请日：2017-10-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Hyun KIM ,  Jin Suk LEE ,  Young Gil PARK ,  Hyun Sang SEO ,  Na Ri AHN ,  Sung Chan JO

IPC: H01L27/32 ,  H01L29/49 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L27/3248 ,  H01L27/3218 ,  H01L27/3246 ,  H01L29/4908 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5215 ,  H01L51/5234 ,  H01L51/5237 ,  H01L2251/308

Abstract: A display device includes a substrate including a display area and a non-display area, a plurality of pixels provided in the display area, lines respectively connected to the plurality of pixels, the lines applying a signal to the plurality of pixels, the lines each including a first metal layer including a first metal and a second metal layer that is provided on the first metal layer and includes a second metal, an insulating layer provided at a least one portion between the substrate and the lines, the insulating layer including an inorganic insulating layer and an organic insulating layer, and a barrier layer provided between the organic insulating layer and the first metal layer, the barrier layer including an oxide of the first metal.

公开(公告)号：US20250107294A1

公开(公告)日：2025-03-27

申请号：US18585678

申请日：2024-02-23

Applicant: Samsung Display Co., LTD.

Inventor： Jin Oh KWAG ,  Dae Hyun KIM ,  Keun Kyu SONG ,  Sung Chan JO ,  Hyun Min CHO

IPC: H01L33/58 ,  H01L27/15 ,  H01L33/38 ,  H01L33/50

Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.

公开(公告)号：US20250063903A1

公开(公告)日：2025-02-20

申请号：US18634784

申请日：2024-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Young Gu KANG ,  Hyeon Do PARK ,  Sung Chan JO ,  Hyun Sung PARK ,  Yu Deok SEO

IPC: H10K59/131 ,  G09G3/3266 ,  H01L27/02

Abstract: A display device according to one or more embodiments includes a display device including a substrate including a display area and a non-display area, pixels in the display area above the substrate, an electrostatic discharge circuit in the non-display area above the substrate, a first line in the non-display area above the substrate, and configured to receive a first voltage, a second line in the non-display area above the substrate, and configured to receive a second voltage that is lower than the first voltage, a first connection line connected between the first line and the electrostatic discharge circuit under the first line on the substrate, and a second connection line connected between the second line and the electrostatic discharge circuit under the second line on the substrate.

公开(公告)号：US20240363806A1

公开(公告)日：2024-10-31

申请号：US18764922

申请日：2024-07-05

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun KIM ,  Hyun Min CHO ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Sung Chan JO

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L2933/0016

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.