公开(公告)号：US12224307B2

公开(公告)日：2025-02-11

申请号：US17605781

申请日：2020-01-16

Applicant: SAMSUNG DISPLAY Co., LTD.

Inventor： Xinxing Li ,  Tae Jin Kong ,  Dae Hyun Kim ,  Veidhes Basrur ,  Hyun Min Cho

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

Abstract: A display device includes a pixel disposed in a display area. The pixel includes a first electrode; a first insulating layer disposed on the first electrode, and including openings, each of the openings exposing different areas of the first electrode and defining respective cells; light emitting elements disposed in the respective cells, each of the light emitting elements including a first end electrically connected to the first electrode; and a second end protruding upward from the first insulating layer; and a second electrode disposed on the light emitting elements, and electrically connected to the second ends of each of the light emitting elements.

公开(公告)号：US12046626B2

公开(公告)日：2024-07-23

申请号：US17281856

申请日：2019-04-01

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L27/156 ,  H01L33/005 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L2933/0016

Abstract: A display device may include a substrate including a display area and a non-display area, and pixels provided on the display area. Each pixel includes sub-pixels each including an emission area and a non-emission area. Each of the sub-pixels may include a display element layer including at least one light emitting element that emits light. The display element layer may include a first electrode and a second electrode spaced apart from each other with the light emitting element disposed therebetween, connection lines including a first connection line extending in a row direction of the substrate and electrically connected to the first electrode, and a second connection line extending parallel to the first connection line and connected to the second electrode. Two connection lines having a symmetric structure may be disposed in an area between two sub-pixels adjacent to each other in a column direction of the substrate.

公开(公告)号：US12046586B2

公开(公告)日：2024-07-23

申请号：US17269737

申请日：2019-02-20

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L25/075 ,  B82B3/00 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32

CPC classification number: H01L25/0753 ,  B82B3/0052 ,  H01L27/1214 ,  H01L33/0062 ,  H01L33/24 ,  H01L33/36 ,  H01L33/44 ,  H01L33/62 ,  G09G3/32 ,  G09G2300/0842 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

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：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：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：US12009383B2

公开(公告)日：2024-06-11

申请号：US17277284

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Hyun Min Cho ,  Dae Hyun Kim ,  Veidhes Basrur ,  Bek Hyun Lim

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

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

Abstract: A light emitting device may include: a first emission area including a first light emitting diode: a second emission area including a second light emitting diode, at least one pair of first and second partition walls facing each other in each of the first and second emission areas at least one first electrode on the first partition wall to cover the first partition wall, and being electrically connected to a first end of at least one of the first and second light emitting diodes; and at least one second electrode on the second partition wall to cover the second partition wall, and being electrically connected to a second end of at least one of the first and second light emitting diodes. The first and second partition walls may have, in the first emission area, a structure different from that in the second emission area.

公开(公告)号：US11978834B2

公开(公告)日：2024-05-07

申请号：US17415893

申请日：2019-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Bek Hyun Lim ,  Veidhes Basrur ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Je Won Yoo

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/62 ,  H01L23/00

CPC classification number: H01L33/54 ,  H01L25/167 ,  H01L33/62 ,  H01L24/24 ,  H01L2224/24147 ,  H01L2924/12041 ,  H01L2933/005 ,  H01L2933/0066

Abstract: A display device may include a pixel disposed in a display area. The pixel may include first and second electrodes; a light emitting element disposed between the first and second electrodes; a first insulating pattern disposed on the light emitting element such that first and second ends of the light emitting element are exposed; a second insulating pattern disposed on the first insulating pattern such that ends of the first insulating pattern are exposed; a third insulating pattern disposed on the second insulating pattern and overlapping ends of the second insulating pattern; a first contact electrode disposed on the first end of the light emitting element, and electrically connecting the first end of the light emitting element to the first electrode; and a second contact electrode disposed on the second end of the light emitting element and electrically connecting the second end to the second electrode.

公开(公告)号：US11870024B2

公开(公告)日：2024-01-09

申请号：US17266387

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Veidhes Basrur ,  Je Won Yoo ,  Bek Hyun Lim

IPC: G09G3/32 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L27/156 ,  H01L33/005 ,  H01L33/382 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device may include a substrate including a display area and a non-display area; and pixels provided in the display area, each of the plurality of pixels comprising sub-pixels. Each of the plurality of sub-pixels may include a pixel circuit layer including at least one transistor, and a display element layer including an emission area and a peripheral area, a first electrode provided in the emission area, a second electrode spaced apart from the first electrode, at least one light emitting element provided in the emission area, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; a first connection line provided in the peripheral area; and a bridge pattern provided in the peripheral area, and diverging from the first connection line. The bridge pattern may be electrically disconnected from each of the first and second electrodes.