公开(公告)号：US20230380206A1

公开(公告)日：2023-11-23

申请号：US18028196

申请日：2020-09-28

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Satoru YAMAMOTO ,  YOSHIHIRO UETA

IPC: H10K50/165 ,  H10K50/155 ,  H10K59/12

CPC classification number: H10K50/165 ,  H10K50/155 ,  H10K59/1201

Abstract: A photoelectric conversion element includes: a first electrode and a second electrode; a photoelectric conversion layer between the first electrode and the second electrode; and a carrier transport layer between the photoelectric conversion layer and the second electrode, the carrier transport layer containing a plurality of carrier transport particles and a plurality of organic ligands, the carrier transport layer having a first end potion located close to the photoelectric conversion layer in a thickness direction of the carrier transport layer and a second end potion located close to the second electrode in the thickness direction of the carrier transport layer, wherein a first minimum distance between the plurality of carrier transport particles in the first end potion and the photoelectric conversion layer is larger than a second minimum distance between the plurality of carrier transport materials particles in the second end potion and the second electrode.

公开(公告)号：US20230284473A1

公开(公告)日：2023-09-07

申请号：US18016766

申请日：2020-07-29

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HIROHISA YAMADA ,  YOSHIHIRO UETA ,  Masumi KUBO ,  Masaki YAMAMOTO

IPC: H10K50/824 ,  H05B33/26 ,  H05B33/14 ,  H10K50/16 ,  H10K50/19

CPC classification number: H10K50/824 ,  H05B33/26 ,  H05B33/145 ,  H10K50/16 ,  H10K50/19

Abstract: In a light-emitting device, a first electrode, a light-emitting layer, and a second electrode are disposed in the order recited. Moreover, a charge transport layer is disposed between the first electrode and the light-emitting layer and/or between the second electrode and the light-emitting layer. A third electrode at least partly overlaps the light-emitting layer. Moreover, the third electrode is disposed between the charge transport layer and the light-emitting layer.

公开(公告)号：US20230031652A1

公开(公告)日：2023-02-02

申请号：US17772720

申请日：2019-11-14

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H01L51/52 ,  H01L51/50

Abstract: A light-emitting element includes an anode, an HTL, an EML, an ETL, and a cathode layered in this order, the HTL includes at least one protruding portion protruding in a layering direction, and an IL overlapping the protruding portion in a plan view is provided between the protruding portion and the EML.

公开(公告)号：US20220416131A1

公开(公告)日：2022-12-29

申请号：US17781278

申请日：2019-12-13

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H01L33/50 ,  H01L33/00

Abstract: A light-emitting device includes a light-emitting part. The light-emitting part contains a quantum dot. The quantum dot has a core and a shell. The shell is located outside the core. Each of the core and the shell has a hexagonal structure. The lattice constant of the core is larger than the lattice constant of the shell.

公开(公告)号：US20250089439A1

公开(公告)日：2025-03-13

申请号：US18959979

申请日：2024-11-26

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H10K50/115 ,  H10K50/16

Abstract: A light-emitting element includes a positive electrode, a negative electrode, a quantum dot layer provided between the positive electrode and the negative electrode and including quantum dots, and a first electron transport layer provided in contact with the quantum dot layer between the quantum dot layer and the negative electrode and containing a compound having a composition of ZnMO, constituent elements M in the composition being an element of at least one of Co, Rh, and Ir.

公开(公告)号：US20230329078A1

公开(公告)日：2023-10-12

申请号：US18025095

申请日：2020-09-10

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H10K71/20 ,  H10K59/35 ,  H10K59/12 ,  H10K50/115

CPC classification number: H10K71/211 ,  H10K59/35 ,  H10K59/1201 ,  H10K50/115

Abstract: A method for manufacturing a display device includes forming a first layer including first quantum dots in each of a first region and a second region, the first region and the second region each being a region in which a light-emitting device is formed, making the first layer in the second region non-light-emitting, forming a second layer including second quantum dots in each of the first region and the second region, and making the second layer in the first region non-light-emitting.

公开(公告)号：US20230276649A1

公开(公告)日：2023-08-31

申请号：US18015035

申请日：2020-07-22

Applicant: SHARP KABUSHIKI KAISHA

Inventor： HIROFUMI YOSHIKAWA ,  YOSHIHIRO UETA ,  TAKAHIRO DOE ,  Masaki YAMAMOTO ,  DAISUKE TOYOSHIMA

IPC: H10K50/16 ,  H10K50/115 ,  H10K71/12

CPC classification number: H10K50/16 ,  H10K50/115 ,  H10K71/125

Abstract: A light-emitting element includes: a first electrode; a second electrode disposed opposite the first electrode; a light-emitting layer disposed between the first electrode and the second electrode and containing quantum dots; and a carrier transport layer disposed between the first electrode and a surface of the light-emitting layer on a second electrode side, including a plurality of protrusions extending toward the second electrode side, and containing a carrier transport material, wherein at least parts of the plurality of protrusions of the carrier transport layer and at least parts of a plurality of gaps between the plurality of protrusions are covered by the quantum dots.

公开(公告)号：US20230255040A1

公开(公告)日：2023-08-10

申请号：US18015653

申请日：2020-07-13

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H10K50/115

CPC classification number: H10K50/115 ,  B82Y20/00

Abstract: A quantum dot includes: an inner barrier layer; a quantum well layer formed on at least a part of the inner barrier layer, wherein a presence or absence of the quantum well layer or a thickness of the quantum well layer varies from location to location on the inner barrier layer; and an outer barrier layer formed on a surface of the quantum well layer opposite to a surface adjacent to the inner barrier layer.

公开(公告)号：US20230035091A1

公开(公告)日：2023-02-02

申请号：US17790921

申请日：2020-01-15

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H01L51/50

Abstract: A light-emitting element according to the present invention includes an anode, a hole transport layer, and a light-emitting layer containing a quantum dot, and a cathode in this order, and the hole transport layer includes an n+-type semiconductor layer, and a p+-type semiconductor layer adjacent to the n+-type semiconductor layer and disposed closer to the light-emitting layer than the n+-type semiconductor layer (24).

公开(公告)号：US20230027751A1

公开(公告)日：2023-01-26

申请号：US17788095

申请日：2020-01-16

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YOSHIHIRO UETA

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: The light-emitting device includes a thin film transistor having a channel layer made of a first n-type semiconductor; a cathode electrically connected to a drain of the thin film transistor and made of a second n-type semiconductor; an anode facing the cathode; and a light-emitting layer provided between the cathode and the anode.