公开(公告)号：US20240336834A1

公开(公告)日：2024-10-10

申请号：US18681608

申请日：2022-08-19

申请人： NIPPON CHEMICAL INDUSTRIAL CO., LTD.

发明人： Tomo Sakanoue ,  Kazuhiro Nakatsui

IPC分类号： C09K11/02 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/08 ,  C09K11/88

CPC分类号： C09K11/025 ,  C09K11/0883 ,  C09K11/883 ,  B82Y20/00 ,  B82Y40/00

摘要： A method for producing a quantum dot having excellent in full width at half maximum (FWHM) and symmetry of the emission spectrum, the quantum dot having a core-shell structure, with a core composed of an InP-based quantum dot obtained by a reaction of at least a phosphorus source and an indium source, and a shell composed of a coating compound other than InP-based one, includes performing a reaction to coat the core with the coating compound in a solvent containing a plurality of amine derivatives. The coating compound is obtained preferably from a reaction with at least a zinc source.

公开(公告)号：US12104103B1

公开(公告)日：2024-10-01

申请号：US18411280

申请日：2024-01-12

申请人： KING FAISAL UNIVERSITY

发明人： Mohamed Gouda ,  Hany Mohamed Abd El-Lateef Ahmed ,  Mai Mostafa Khalaf Ali

IPC分类号： C09K11/02 ,  C08J5/18 ,  C08K3/22 ,  C08L67/02 ,  C09K11/08 ,  C09K11/77

CPC分类号： C09K11/02 ,  C08J5/18 ,  C08K3/22 ,  C08L67/02 ,  C09K11/7706 ,  C08J2367/02 ,  C08J2423/12 ,  C08K2003/2227 ,  C08K2201/005 ,  C08K2201/011 ,  C08L2203/16 ,  C08L2205/16

摘要： A photochromic material can include nanoparticles of lanthanide-activated strontium aluminate (NLSA) embedded into polyethylene terephthalate (PET). The PET may further include electrospun polypropylene nanofibers (PPNF) incorporated therein. In some embodiments, the photochromic material may be transparent. In other embodiments, the photochromic material may be scratch resistant. In some embodiments, the photochromic material may be configured to form concrete. In still other embodiments, the photochromic material may be configured to form windows. The electrospun polypropylene nanofibers may be a roughening agent in the PET. The photochromic material may exhibit a green coloration after exposure to ultraviolet (UV) light. The NLSA may have a diameter of about 80 nm to about 120 nm. The PPNF may have a diameter of about 75 nm to about 180 nm. The photochromic material may be superhydrophobic.

公开(公告)号：US12055852B2

公开(公告)日：2024-08-06

申请号：US17234126

申请日：2021-04-19

申请人： SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG SDI CO., LTD.

发明人： Shang Hyeun Park ,  Hojeong Paek ,  Jonggi Kim ,  Nayoun Won ,  Shin Ae Jun

IPC分类号： G03F7/004 ,  C09K11/02 ,  C09K11/08 ,  C09K11/88 ,  G02B5/20 ,  G02B5/22 ,  G03F7/00 ,  G03F7/027 ,  G03F7/029 ,  G03F7/031 ,  G03F7/033

CPC分类号： G03F7/0043 ,  C09K11/02 ,  C09K11/08 ,  C09K11/883 ,  G02B5/207 ,  G02B5/223 ,  G03F7/0007 ,  G03F7/0047 ,  G03F7/027 ,  G03F7/029 ,  G03F7/031 ,  G03F7/033

摘要： A photosensitive composition including: a plurality of quantum dots, wherein the quantum dot includes an organic ligand bound to a surface of the quantum dot; a photoinitiator; a binder including a carboxylic acid group; a photopolymerizable monomer having a carbon-carbon double bond; and a solvent, wherein the photoinitiator includes a first photoinitiator including an oxime compound and a second photoinitiator including at least one selected from a phosphine oxide compound and an amino ketone compound.

公开(公告)号：US12037457B2

公开(公告)日：2024-07-16

申请号：US18135970

申请日：2023-04-18

申请人： LUMILEDS LLC

发明人： Daniel B. Roitman ,  Danielle R. Chamberlin ,  David B. Roberts

IPC分类号： C08G77/08 ,  C08G77/06 ,  C08J5/18 ,  C09K11/02 ,  C09K11/08 ,  H01L33/50 ,  H01L33/56

CPC分类号： C08G77/08 ,  C08G77/06 ,  C08J5/18 ,  C09K11/02 ,  C09K11/0883 ,  H01L33/501 ,  H01L33/56 ,  C08J2383/04 ,  H01L2933/0041 ,  H01L2933/005

摘要： The present invention encompasses materials and methods for catalyzing the cross-linking and curing of siloxane polymers. In particular, the present disclosure provides materials, methods, and conditions for vapor phase catalysis for curing organosiloxane polymers and resins, including resin linear organosiloxane block copolymers, as well as the incorporation of those methods into processes for making light emitting devices, including light emitting diodes.

公开(公告)号：US20240209256A1

公开(公告)日：2024-06-27

申请号：US18394693

申请日：2023-12-22

申请人： NICHIA CORPORATION

发明人： Sadakazu WAKUI ,  Kohei KUNIMOTO ,  Hiroyuki WATANABE ,  Eishi KANAI

IPC分类号： C09K11/08 ,  C09K11/77

CPC分类号： C09K11/0883 ,  C09K11/77347

摘要： A method of producing a nitride fluorescent material includes preparing a calcined product including a fluorescent material core, and a first film containing fluoride on a surface of the fluorescent material core, bringing the calcined product into contact with a solution containing a metal alkoxide containing an element M2 being at least one element selected from the group consisting of Si, Al, Ti, Zr, Sn, and Zn at a temperature equal to or lower than an ambient temperature and hydrolyzing and condensation-polymerizing the metal alkoxide to form a second film containing an oxide containing the element M2, and performing a heat-treatment at a temperature higher than 250° C. and equal to or lower than 500° C. The nitride fluorescent material includes the fluorescent material core having a composition containing an element Ma being at least one element selected from the group consisting of Sr, Ca, Ba, and Mg, an element Mb being at least one element selected from the group consisting of Li, Na, and K, an element Mc being at least one element selected from the group consisting of Eu, Ce, Tb, and Mn, Al, N, and optionally Si.

公开(公告)号：US20240196808A1

公开(公告)日：2024-06-20

申请号：US18287031

申请日：2022-04-15

申请人： LANZHOU UNIVERSITY

发明人： Takatoshi SETO ,  Bin LIU ,  Yuhua WANG ,  Shichuan WANG

IPC分类号： A01G7/04 ,  C09K11/08 ,  C09K11/55 ,  C09K11/68

CPC分类号： A01G7/04 ,  C09K11/0838 ,  C09K11/55 ,  C09K11/68

摘要： Disclosed in the present disclosure are a new fluorescent powder capable of promoting plant growth under sunlight and preparation and use thereof. The fluorescent powder has a chemical formula of Sr4Al14O25: xMn4+, yMg2+, zLn3+. Compounds are weighed according to a stoichiometric ratio of various chemical components in the chemical formula; a fluxing agent is added and uniformly mixed; and a resulting mixture is calcined, naturally cooled to room temperature, and then ground to obtain the new fluorescent powder. The fluorescent powder has can emit red light that is conducive to plant growth, improves the utilization rate of sunlight, promotes plant growth, and is low in cost, high in efficiency, green and pollution-free.

公开(公告)号：US20240188418A1

公开(公告)日：2024-06-06

申请号：US18284871

申请日：2021-12-30

申请人： SUZHOU XINGSHUO NANOTECH CO., LTD.

发明人： Yuliang SHAN ,  Yunjun WANG

IPC分类号： H10K85/30 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/08 ,  C09K11/70 ,  C09K11/88 ,  H10K50/115

CPC分类号： H10K85/381 ,  C09K11/025 ,  C09K11/0883 ,  C09K11/703 ,  C09K11/883 ,  B82Y20/00 ,  B82Y40/00 ,  H10K50/115

摘要： The present disclosure provides a core/shell quantum dot for a Light-Emitting Diode (LED) and a preparation method therefor, and an LED. The core/shell quantum dot includes a core body and a surface shell; and the surface shell is ZnS1−xOx, wherein 0.1≤x≤0.9. The core-shell quantum dot of the present disclosure can significantly improve the current density, brightness, and external quantum efficiency of the LED prepared therefrom.

公开(公告)号：US11981850B2

公开(公告)日：2024-05-14

申请号：US17991903

申请日：2022-11-22

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Tae Hyung Kim ,  Yuho Won ,  Eun Joo Jang ,  Heejae Chung ,  Oul Cho

IPC分类号： C09K11/88 ,  C09K11/08 ,  H10K50/115 ,  B82Y20/00 ,  B82Y40/00

CPC分类号： C09K11/883 ,  C09K11/0883 ,  H10K50/115 ,  B82Y20/00 ,  B82Y40/00

摘要： A quantum dot including a core including a first semiconductor nanocrystal including a Group III-V compound, and a shell disposed on the core and including a semiconductor nanocrystal including a Group II-VI compound, wherein the quantum dots do not include cadmium, the shell includes a first layer disposed directly on the core and including a second semiconductor nanocrystal including zinc and selenium, a second layer, the second layer being an outermost layer of the shell and including a third semiconductor nanocrystal including zinc and sulfur, and a third layer disposed between the first layer and the second layer and including a fourth semiconductor nanocrystal including zinc, selenium, and optionally sulfur, and a difference between a peak emission wavelength of a colloidal solution of the quantum dot and a peak emission wavelength of a film prepared from the colloidal solution is less than or equal to about 5 nanometers (nm).

公开(公告)号：US11981847B2

公开(公告)日：2024-05-14

申请号：US18115291

申请日：2023-02-28

申请人： Firbest CO., Ltd.

发明人： Shunichi Kikuta

IPC分类号： C09K11/08 ,  C09K11/02 ,  C09K11/65

CPC分类号： C09K11/0805 ,  C09K11/02 ,  C09K11/65

摘要： An infrared radiation-emitting resin composition includes an infrared radiation-emitting material and a resin. The infrared radiation-emitting material includes a titanium dioxide, a calcined hydrotalcite-like compound, and a nano-sized diamond. In the infrared radiation-emitting material, the mass ratio between the titanium dioxide and the calcined hydrotalcite-like compound is 60:40 to 90:10, while the content of the nano-sized diamond is 0.01 parts by mass or more and 0.5 parts by mass or less with respect to 100 parts by mass of the sum of the titanium dioxide and the calcined hydrotalcite-like compound.

公开(公告)号：US20240150645A1

公开(公告)日：2024-05-09

申请号：US18325291

申请日：2023-05-30

申请人： Samsung Display Co., Ltd.

发明人： Jaebok Chang ,  Kyungsig Lee ,  Seunghee Jang ,  Seihwan Ahn ,  Sanghee Yu

IPC分类号： C09K11/02 ,  C09K11/08 ,  C09K11/88 ,  H10K50/115

CPC分类号： C09K11/025 ,  C09K11/0883 ,  C09K11/883 ,  H10K50/115 ,  B82Y20/00

摘要： Embodiments provide a method of manufacturing a quantum dot-containing complex that includes preparing quantum dots, reacting the quantum dots with a first ligand, and reacting a resultant product of the reaction between the quantum dots and the first ligand with a second ligand, wherein the first ligand is a compound having a pKa value less than or equal to about 8, and the second ligand is a compound having a pKa value greater than about 8.