公开(公告)号：US12074256B2

公开(公告)日：2024-08-27

申请号：US17284345

申请日：2019-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Hyun Min Cho ,  Dong Hyun Kim

IPC: H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L33/38 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/62 ,  H01L2933/0066

Abstract: A light emitting device may include at least one first electrode and at least one second electrode disposed on different layers on a substrate; a first insulating layer disposed between the first electrode and the second electrode; and at least one light emitting diode electrically connected between the at least one first electrode and the second electrode.

公开(公告)号：US11842681B2

公开(公告)日：2023-12-12

申请号：US17384556

申请日：2021-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Sung Chul Kim ,  Dae Hyun Kim ,  Hye Yong Chu ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Joo Yeol Lee ,  Bek Hyun Lim ,  Hyun Deok Im

IPC: G09G3/3233 ,  H01L33/20 ,  H01L33/00 ,  H01L33/44 ,  H01L33/52 ,  H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H05B45/40 ,  H01L33/62

CPC classification number: G09G3/3233 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/0095 ,  H01L33/20 ,  H01L33/38 ,  H01L33/44 ,  H01L33/52 ,  H05B45/40 ,  H01L33/62

Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.

公开(公告)号：US11810905B2

公开(公告)日：2023-11-07

申请号：US17250633

申请日：2019-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Dong Uk Kim ,  Jung Hong Min ,  Seung A Lee ,  Hyung Rae Cha

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/22 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/0093 ,  H01L33/22 ,  H01L33/62 ,  H01L2933/0066

Abstract: Provided are a light emitting device, a method for manufacturing same, and a display device including the light emitting device. The method for manufacturing the light emitting device comprises the steps of: preparing a lower substrate including a substrate and a buffer semiconductor layer formed on the substrate, forming an element rod by forming a separating layer disposed on the lower substrate, forming a first conductivity type semiconductor layer, an active material layer, and a second conductivity type semiconductor layer on the separating layer, and etching the first conductivity type semiconductor layer, the active material layer, the second conductivity type semiconductor layer, and the separating layer in a direction perpendicular to the lower substrate, forming a first insulating layer surrounding an outer circumferential surface of the element rod, forming a second insulating layer surrounding an outer circumferential surface of the first insulating layer and separating the element rod from the lower substrate to form a light emitting element.

公开(公告)号：US11726618B2

公开(公告)日：2023-08-15

申请号：US17473614

申请日：2021-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Sung Chul Kim ,  Hye Yong Chu ,  Keun Kyu Song

IPC: H01L33/44 ,  G06F3/042 ,  G09G3/3225 ,  H01L33/20 ,  H01L33/38 ,  H01L33/32 ,  G06F3/041 ,  H01L33/00

CPC classification number: G06F3/0421 ,  G06F3/042 ,  G06F3/0412 ,  G09G3/3225 ,  H01L33/007 ,  H01L33/20 ,  H01L33/32 ,  H01L33/38 ,  G09G2380/02

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

公开(公告)号：US11581363B2

公开(公告)日：2023-02-14

申请号：US16665818

申请日：2019-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Hyun Min Cho

IPC: H01L27/15 ,  H01L33/44 ,  H01L33/20 ,  H01L27/12 ,  H01L33/38 ,  H01L29/786 ,  H01L25/075 ,  H01L25/16 ,  H01L33/60 ,  H01L33/40 ,  H01L33/06 ,  H01L33/32 ,  H01L33/62

Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.

公开(公告)号：US10789890B2

公开(公告)日：2020-09-29

申请号：US16503106

申请日：2019-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu Kang ,  Sangmoo Choi ,  Dae Hyun Kim ,  Dongsun Lee

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/3275 ,  G09G3/3233

Abstract: A display device includes a display panel including a plurality of pixels and a panel driver that drives the display panel. Each of the pixels includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a first capacitor, and an emission element.

公开(公告)号：US10461123B2

公开(公告)日：2019-10-29

申请号：US15851500

申请日：2017-12-21

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Hyun Min Cho

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/20 ,  H01L27/12 ,  H01L25/16 ,  H01L33/60 ,  H01L29/786 ,  H01L25/075 ,  H01L33/40 ,  H01L33/06 ,  H01L33/32 ,  H01L33/62

Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.

公开(公告)号：US10354869B2

公开(公告)日：2019-07-16

申请号：US15730376

申请日：2017-10-11

Applicant: Samsung Display Co., Ltd. ,  POSTECH Academy-Industry Foundation

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Hyun Min Cho ,  Yongju Kwon ,  Bomi Kim ,  Sung-Jee Kim ,  Mihye Lim

IPC: H01L21/02 ,  B82Y40/00 ,  B82Y30/00

Abstract: A method of manufacturing a nanostructure includes: heating a mixed solution to a first temperature, the mixed solution including a solvent, a compound including indium, and an octadecylphosphonic acid; heating the mixed solution to a second temperature; injecting, after heating the mixed solution to the second temperature, a phosphine precursor into the mixed solution; and heating the mixed solution including the injected phosphine precursor to a third temperature.

公开(公告)号：US10168587B2

公开(公告)日：2019-01-01

申请号：US15070950

申请日：2016-03-15

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jae Woong Kang ,  Jong Hyuk Kang ,  Jae Byung Park ,  Joo Yeol Lee ,  Hyun Deok Im ,  Hyun Min Cho ,  Sung Jin Hong

IPC: G02F1/1343 ,  G02F1/133 ,  G02F1/1335

Abstract: A display device comprises a first light-transmissive substrate, a second light-transmissive substrate and a solar cell disposed between the first and second light-transmissive substrates. The solar cell includes a conductive wire grid pattern layer, which is disposed between the first and second light-transmissive substrates, a transparent electrode, which is disposed between the second light-transmissive substrate and the conductive wire grid pattern layer, and at least one photoactive layer, which is disposed between the transparent electrode and the conductive wire grid pattern layer. The second light-transmissive substrate is configured to output an image therethrough.

公开(公告)号：US10026777B2

公开(公告)日：2018-07-17

申请号：US15701455

申请日：2017-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk Kang ,  Hyun Min Cho ,  Dae Hyun Kim ,  Joo Yeol Lee ,  Hyun Deok Im

IPC: H01J1/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  F21K9/68

CPC classification number: H01L27/15 ,  F21K9/68 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/405 ,  H01L33/60 ,  H01L33/62

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.