公开(公告)号：US20250169363A1

公开(公告)日：2025-05-22

申请号：US18840818

申请日：2023-01-05

Applicant: Denka Company Limited

Inventor： Ryota NIWA ,  Takeshi ASAMI ,  Ryota MAEDA

IPC: H10N10/856 ,  H10N10/01 ,  H10N10/10 ,  H10N10/855

Abstract: An n-type material for thermoelectric conversion obtained by doping a p-type material for thermoelectric conversion with a dopant, the p-type material for thermoelectric conversion containing a carbon nanotube and a conductive resin, in which the dopant contains a complex ion containing a divalent iron ion, an alkali metal cation, a cation scavenger, and a reducing agent.

公开(公告)号：US20220302365A1

公开(公告)日：2022-09-22

申请号：US17633039

申请日：2020-08-05

Applicant: Denka Company Limited

Inventor： Takeshi ASAMI ,  Yoshitsugu GOTO

IPC: H01L35/10 ,  H01L35/22 ,  H01L35/32

Abstract: A thermoelectric conversion element includes a first thermoelectric conversion module and a first substrate including a first main face and a second main face, a first electrode provided on the first main face, a first n-type thermoelectric conversion layer, a first p-type thermoelectric conversion layer in contact with the first n-type thermoelectric conversion layer, and a second electrode, and a sealing layer provided on the first main face. Each of the pair of sheet members of the thermoelectric conversion element includes a first high thermal conduction portion, a second high thermal conduction portion, and a low thermal conduction portion. The first electrode, the first n-type thermoelectric conversion layer, the first p-type thermoelectric conversion layer, and the second electrode are arranged in order along the alignment direction.

公开(公告)号：US20250048931A1

公开(公告)日：2025-02-06

申请号：US18696481

申请日：2022-09-28

Applicant: DENKA COMPANY LIMITED

Inventor： Ryota NIWA ,  Takeshi ASAMI ,  Yasuaki SAKURAI

IPC: H10N10/17 ,  H10N10/01

Abstract: The thermoelectric conversion module includes a substrate having a first main face and a second main face, a thermoelectric conversion part located on the first main face, and a first thermal conduction part and a second thermal conduction part located on the second main face. The thermoelectric conversion part has a p-type thermoelectric conversion element and an n-type thermoelectric conversion element, a first end part of the p-type thermoelectric conversion element in the first direction is in contact with a first end part of the n-type thermoelectric conversion element in the first direction, each thickness of the n-type thermoelectric conversion element and the p-type thermoelectric conversion element is 3 μm or more and 30 μm or less, and an interval between the first thermal conduction part and the second thermal conduction part in the first direction is 3 mm or more and 15 mm or less.

公开(公告)号：US20170233647A1

公开(公告)日：2017-08-17

申请号：US15492321

申请日：2017-04-20

Applicant: DENKA Company Limited ,  NGK Insulators, Ltd.

Inventor： Seiichi SAKAWA ,  Kenji MONDEN ,  Takeshi ASAMI ,  Tsuneaki OHASHI ,  Kazuyoshi SHIBATA

IPC: C09K11/77 ,  C09K11/02 ,  C03C8/14 ,  C03C4/12 ,  C04B35/115 ,  G02B5/20 ,  C04B35/64 ,  C04B41/00 ,  C04B41/50 ,  C04B41/86 ,  C03B19/06 ,  H01L33/50 ,  C09K11/08 ,  C04B35/624

CPC classification number: C09K11/7734 ,  C03B19/06 ,  C03C4/12 ,  C03C8/14 ,  C03C2204/00 ,  C04B35/115 ,  C04B35/624 ,  C04B35/64 ,  C04B41/009 ,  C04B41/5022 ,  C04B41/86 ,  C04B2235/3217 ,  C04B2235/6023 ,  C04B2235/606 ,  C04B2235/6567 ,  C04B2235/786 ,  C04B2235/9653 ,  C09K11/00 ,  C09K11/02 ,  C09K11/025 ,  C09K11/0883 ,  C09K11/64 ,  G02B5/20 ,  H01L33/50 ,  H01L33/502

Abstract: A wavelength converter is provided with a light-transmitting substrate and with a thin film that is formed on a surface of the light-transmitting substrate and that contains a phosphor. A sintered body that constitutes the light-transmitting substrate has an average particle size of 5-40 μm. The light-transmitting substrate contains at least 10-500 ppm by mass of MgO. The principal component of the phosphor is an α-sialon that is indicated by the general formula (Caα,Euβ) (Si,Al)12(O,N)16 (provided that 1.5

公开(公告)号：US20250136828A1

公开(公告)日：2025-05-01

申请号：US18694095

申请日：2022-09-30

Applicant: DENKA COMPANY LIMITED

Inventor： Shota SOTOKAWA ,  Takeshi ASAMI ,  Hitoshi KANEKO

IPC: C09D7/61 ,  C09D5/33 ,  C09D127/16 ,  C09D127/20

Abstract: A composition for ultraviolet light reflection, the composition containing a base material and zirconium oxide particles dispersed in the base material, in which the base material contains a fluororesin, and a particle diameter D50 of the zirconium oxide particles is 10 μm or less.

公开(公告)号：US20240431207A1

公开(公告)日：2024-12-26

申请号：US18825858

申请日：2024-09-05

Applicant: DENKA COMPANY LIMITED

Inventor： Takeshi ASAMI ,  Yoshitsugu GOTO

IPC: H10N10/17

Abstract: Disclosed is a composite including carbon nanotubes and a conductive polymer that is different from the carbon nanotubes. The conductive polymer may include a polythiophene based polymer. The polythiophene based polymer may be a poly (3,4-ethylenedioxythiophene). The carbon nanotubes may include a single-walled carbon nanotube. The carbon nanotubes and the conductive polymer may aggregate. Also disclosed are layer including the composite and a module including such a layer.

公开(公告)号：US20220293843A1

公开(公告)日：2022-09-15

申请号：US17633087

申请日：2020-08-05

Applicant: DENKA COMPANY LIMITED

Inventor： Takeshi ASAMI ,  Yoshitsugu GOTO

IPC: H01L35/32

Abstract: A thermoelectric conversion element includes a substrate having a first main face and a second main face, a first electrode, an n-type thermoelectric conversion layer, a p-type thermoelectric conversion layer, and a second electrode provided on the first main face, a sealing layer provided on the first main face, and a first high thermal conduction portion, a second high thermal conduction portion, and a low thermal conduction portion provided on the second main face. The first electrode, the n-type thermoelectric conversion layer, the p-type thermoelectric conversion layer, and the second electrode are arranged, the first electrode is overlapped with the first high thermal conduction portion the second electrode is overlapped with the second high thermal conduction portion, and a contact portion of the n-type thermoelectric conversion layer and the p-type thermoelectric conversion layer is overlapped with the low thermal conduction portion.

公开(公告)号：US20240381774A1

公开(公告)日：2024-11-14

申请号：US18696561

申请日：2022-10-04

Applicant: DENKA COMPANY LIMITED

Inventor： Yasuaki SAKURAI ,  Takeshi ASAMI ,  Ryota NIWA

IPC: H10N10/855 ,  H10N10/01 ,  H10N10/10

Abstract: There is provided a thermoelectric conversion element having a p-type thermoelectric conversion layer containing a p-type material containing carbon nanotubes and a conductive resin, and an n-type thermoelectric conversion layer that is in contact with the p-type thermoelectric conversion layer and contains an n-type material obtained by doping the p-type material containing carbon nanotubes and a conductive resin with a dopant, wherein the dopant contains an anion that is a complex ion, an alkali metal cation, and a cation scavenger.