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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11629288 B1

PDFFull Text
Date of Patent:
Apr. 18, 2023

Filed:

Oct. 15, 2018

Quantum-dot containing resin sheet or film, method for producing the same, and wavelength conversion member

Applicant:

Ns Materials Inc., Fukuoka, JP;

Inventors:

Kazunori Iida, Fukuoka, JP;

Emi Tsutsumi, Fukuoka, JP;

Mika Niwaki, Fukuoka, JP;

Jun Kaneno, Fukuoka, JP;

Soichiro Nikata, Fukuoka, JP;

Hidetoshi Tanaka, Fukuoka, JP;

Assignee:

NS MATERIALS INC., Fukuoka, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Lawrence D Ferguson

Int. Cl.
CPC ...
B32B 27/20 (2006.01); C09K 11/02 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29C 48/21 (2019.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); C08J 5/18 (2006.01); B29K 23/00 (2006.01); B29K 33/00 (2006.01); B29K 67/00 (2006.01); B29K 105/16 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/02 (2013.01); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B32B 27/20 (2013.01); B32B 27/308 (2013.01); B32B 27/325 (2013.01); B32B 27/36 (2013.01); C08J 5/18 (2013.01); B29K 2023/38 (2013.01); B29K 2033/12 (2013.01); B29K 2067/003 (2013.01); B29K 2105/162 (2013.01); B29K 2995/0039 (2013.01); B32B 2307/422 (2013.01); B32B 2307/702 (2013.01); B32B 2307/732 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C08J 2333/04 (2013.01); C08J 2345/00 (2013.01); C08J 2367/02 (2013.01);
Abstract

To provide a quantum dot-containing resin sheet or film, a method for producing the same, and a wavelength conversion member that can, in particular, solve the problem of aggregation of the quantum dots and the problem with the use of a scattering agent, suppress a decrease in light conversion efficiency, and improve the light conversion efficiency of a resin molded product containing quantum dots. The quantum dot-containing resin sheet or film of the present invention includes a stack of a plurality of resin layers, at least one of the resin layers containing quantum dots, and the plurality of resin layers is integrally molded through co-extrusion.

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