公开(公告)号：US11749783B2

公开(公告)日：2023-09-05

申请号：US17263391

申请日：2019-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Veidhes Basrur ,  Xinxing Li ,  Hee Keun Lee ,  Chang Il Tae ,  Tae Jin Kong ,  Myeong Hee Kim

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/40 ,  H01L33/62

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/005 ,  H01L33/405 ,  H01L33/62 ,  H01L2933/0016

Abstract: A light emitting device includes first and second electrodes disposed on a substrate and spaced apart from each other; at least one light emitting diode disposed between the first and second electrodes; an insulating pattern overlapping an upper portion of the at least one light emitting diode and exposing first and second ends of the at least one light emitting diode; a first contact electrode electrically connecting the first end of the at least one light emitting diode to the first electrode; and a second contact electrode electrically connecting the second end of the at least one light emitting diode to the second electrode. The insulating pattern may completely overlap the first and second ends of the at least one light emitting diode in a plan view, and have a width reducing toward a lower portion of the insulating pattern.

公开(公告)号：US09500913B2

公开(公告)日：2016-11-22

申请号：US14733010

申请日：2015-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Keun Lee ,  Yeun Tae Kim ,  Nam Seok Roh ,  Hae Ju Yun

IPC: G02F1/1341 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/1341 ,  G02F1/133345 ,  G02F1/133528 ,  G02F1/134309 ,  G02F1/1362 ,  G02F1/1368 ,  G02F2001/133388 ,  G02F2001/133531 ,  H01L27/1262

Abstract: A display device includes a substrate including a pixel area, a thin-film transistor formed on the substrate, a pixel electrode connected to the thin-film transistor, a common electrode formed on the pixel electrode, a space formed between the pixel electrode and the common electrode, and a roof layer formed on the common electrode. The common electrode and the roof layer include a protrusion protruding from at least one of an upper edge and a lower edge of the pixel area.

公开(公告)号：US12107191B2

公开(公告)日：2024-10-01

申请号：US17609882

申请日：2020-03-30

Applicant: Samsung Display Co., LTD.

Inventor： Je Won Yoo ,  Tae Jin Kong ,  Hee Keun Lee ,  Hyun Min Cho

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016

Abstract: Provided are a display device and a manufacturing method thereof. The display device comprises: a substrate; a first electrode and a second electrode disposed on the substrate to be spaced apart from each other; a first insulating layer disposed on the substrate so as to cover at least a portion of the first electrode and the second electrode; and at least one first light emitting element disposed between the first electrode and the second electrode, on the first insulating layer. The first insulating layer comprises: a first sub-insulating layer comprising a first portion including a hydrophilic material and a second portion which is a region of the first insulating layer except for the first portion and includes a hydrophobic material; and a second sub-insulating layer disposed below the first sub-insulating layer, and at least a portion of the at least one first light emitting element is disposed on the first portion.

公开(公告)号：US12094855B2

公开(公告)日：2024-09-17

申请号：US17210985

申请日：2021-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Jin Taek Kim ,  Tae Woo Kim ,  Hee Keun Lee ,  Kyung Tae Chae

IPC: H01L29/20 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/62

Abstract: A pixel may include a pixel circuit layer including at least one transistor and a first electrode disposed on a substrate, and a first insulating layer disposed on the at least one transistor and the first electrode, and a display element layer disposed on the pixel circuit layer, the display element layer including a second electrode electrically connected to the at least one transistor, and a plurality of light emitting elements electrically connected to each of the first and second electrodes. The first electrode and the second electrode may be disposed on different layers and may be spaced apart from each other. The plurality of light emitting elements may overlap the first and second electrodes in a plan view and a cross-sectional view.

公开(公告)号：US12074257B2

公开(公告)日：2024-08-27

申请号：US17258419

申请日：2018-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Xinxing Li ,  Dae Hyun Kim ,  Veidhes Basrur ,  Hee Keun Lee ,  Chang Il Tae

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

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

Abstract: The present application relates to a light emitting device, manufacturing method thereof, and a display device provided therewith. The light emitting device may include: a substrate; a first electrode provided on the substrate, and a second electrode disposed on a plane identical with a plane of the first electrode at a position spaced apart from the first electrode; at least one light emitting element provided on the substrate, and including a first end and a second end with respect to a longitudinal direction; a bridge pattern provided on the light emitting element, and coupled to the second end of the light emitting element; a first contact electrode provided on the substrate, and coupling the first electrode with the first end of the light emitting element; and a second contact electrode provided on the substrate, and coupling the bridge pattern with the second electrode.

公开(公告)号：US12068356B2

公开(公告)日：2024-08-20

申请号：US17284319

申请日：2019-04-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Tae Jin Kong ,  Hee Keun Lee ,  Dae Hyun Kim ,  Hyun Min Cho ,  Chang Il Tae

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

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

Abstract: A light emitting device may include a first electrode disposed on a substrate; a first insulating layer disposed on the substrate and overlapping at least a part of the first electrode; a second electrode disposed on the first insulating layer and spaced apart from the first electrode; and at least one light emitting diode electrically connected between the first electrode and the second electrode. The first electrode and the second electrode may be disposed on different layers on the substrate, the first insulating layer is disposed between the first electrode and the second electrode, and the first electrode and the second electrode are spaced apart from each other so as not to overlap each other in a plan view.

公开(公告)号：US12033986B2

公开(公告)日：2024-07-09

申请号：US17261414

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin Kong ,  Hee Keun Lee ,  Xinxing Li ,  Hyun Min Cho ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Veidhes Basrur ,  Chang Il Tae

IPC: H01L25/075 ,  H01L33/62

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

Abstract: A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate; a second electrode disposed on the substrate and spaced apart from the first electrode; light emitting elements disposed on the substrate, each of the light emitting elements including a first end and a second end in a longitudinal direction of the light emitting elements; a bank disposed in each of the emission areas and including openings in which portions of each of the unit emission areas are exposed; a first contact electrode that electrically connects the first electrode with the first end of each of the light emitting elements; and a second contact electrode that electrically connects the second electrode with the second end of each of the light emitting elements. At least one of the light emitting elements may be disposed in each of the openings.

公开(公告)号：US11855053B2

公开(公告)日：2023-12-26

申请号：US17413324

申请日：2019-06-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin Kong ,  Myeong Hee Kim ,  Hee Keun Lee

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/60

CPC classification number: H01L25/167 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1259 ,  H01L33/60

Abstract: A display device includes a base layer including a display area and a non-display area; and pixels disposed in the display area, each of the pixels including sub-pixels. Each of the sub-pixels includes a pixel circuit layer and a display element layer disposed on the pixel circuit layer. The display element layer includes a partition wall disposed in each of the sub-pixels; a bank disposed between adjacent ones of the sub-pixels; a first electrode and a second electrode disposed on the partition wall and spaced apart from each other; a reflective pattern disposed on the bank; and at least one light emitting element disposed between the first electrode and the second electrode.

公开(公告)号：US11742460B2

公开(公告)日：2023-08-29

申请号：US17098117

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Min Lee ,  Jin Taek Kim ,  Baek Hyeon Lim ,  Jin Yeong Kim ,  Kyung Tae Chae ,  Jung Hwan Yi ,  Hee Keun Lee

IPC: H01L33/38 ,  H01L33/54 ,  H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/15 ,  G09F9/33 ,  H01L21/02 ,  H01L21/768 ,  H01L27/12 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/0095 ,  H01L33/54 ,  H01L2933/005 ,  H01L2933/0016

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.

公开(公告)号：US11152424B2

公开(公告)日：2021-10-19

申请号：US16461780

申请日：2019-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xin Xing Li ,  Tae Jin Kong ,  Hee Keun Lee ,  Hyun Min Cho ,  Chang Il Tae

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L33/60

Abstract: A display device includes at least one first and second electrodes extending in a first direction, at least one first and second light emitting elements disposed therebetween, a first contact electrode partially covering the first electrode and contacting a first end of the first light emitting element, a second contact electrode partially covering the second electrode and contacting a third end of the second light emitting element, and a third contact electrode disposed between the first and second contact electrodes and contacting a second end of the first light emitting element and a fourth end of the second light emitting element, in which a distance between the first and second electrodes is greater than a longitudinal length of at least one of the first and second light emitting elements, and the first and second light emitting elements are connected in series between the first and second electrodes.