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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 12421117 B1

PDFFull Text
Date of Patent:
Sep. 23, 2025

Filed:

Jun. 03, 2020

Method for synthesizing carbon quantum dots, and method for manufacturing uv light- and blue light-blocking film

Applicant:

Pukyong National University Industry-university Cooperation Foundation, Busan, KR;

Inventors:

Hyun Kyoung Yang, Busan, KR;

Sung Jun Park, Nam-Gu, KR;

Assignee:

PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION, Busan, KR;

Attorney:

NORTON ROSE FULBRIGHT US LLP

Primary Examiner:

Jane L Stanley

Int. Cl.
CPC ...
C01B 32/15 (2017.01); C08J 5/18 (2006.01); C08K 3/04 (2006.01); C09K 11/65 (2006.01); G02B 5/20 (2006.01); H10H 20/851 (2025.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C01B 32/15 (2017.08); C08J 5/18 (2013.01); C08K 3/04 (2013.01); C09K 11/65 (2013.01); G02B 5/208 (2013.01); H10H 20/8512 (2025.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/32 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); C08J 2329/04 (2013.01); G02B 2207/101 (2013.01);
Abstract

The present invention relates to a method for synthesizing carbon quantum dots capable of effectively blocking UV light and blue light from application devices composed of white LEDs, and a method for manufacturing a UV light- and blue light-blocking film, and the method for manufacturing a UV light- and blue light-blocking film, of the present invention, comprises the steps of: hydrothermally synthesizing a liquid hydrocarbon aqueous solution in a high-pressure reactor; dispersing the synthesized product in a polymer aqueous solution; and applying a dispersion solution, and then drying same.

Find Patent Forward Citations

Yang, Hyun. (2025). Method for synthesizing carbon quantum dots, and method for manufacturing uv light- and blue light-blocking film (U.S. Patent No. 12421117). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12421117

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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