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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 9796920 B1

PDFFull Text
Date of Patent:
Oct. 24, 2017

Filed:

Jan. 29, 2014

Quantum dot composite and wavelength conversion element, photoelectric conversion device, and solar cell having the composite

Applicant:

Daicel Corporation, Osaka-shi, Osaka, JP;

Inventors:

Shu Shimamoto, Tokyo, JP;

Toshikazu Nakamura, Himeji, JP;

Assignee:

DAICEL CORPORATION, Osaka-shi, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Khanh Tuan Nguyen

Assistant Examiner:

Haidung Nguyen

Int. Cl.
CPC ...
H01B 1/20 (2006.01); H01B 1/22 (2006.01); H01L 31/00 (2006.01); H01L 33/50 (2010.01); C09K 11/02 (2006.01); H01L 31/0352 (2006.01); H01L 31/0384 (2006.01); C09K 11/56 (2006.01); C09K 11/88 (2006.01); H01L 31/0749 (2012.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
C09K 11/025 (2013.01); C09K 11/565 (2013.01); C09K 11/883 (2013.01); H01B 1/22 (2013.01); H01L 31/0384 (2013.01); H01L 31/035218 (2013.01); H01L 31/0749 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); H01L 33/502 (2013.01); Y10S 977/774 (2013.01); Y10S 977/948 (2013.01); Y10S 977/95 (2013.01);
Abstract

Disclosed herein is a quantum dot composite that can maintain luminous efficiency per unit quantum dot even when a quantum dot concentration is high, and therefore can achieve a high emission intensity. The quantum dot composite includes: a matrix; and quantum dots dispersed in the matrix, wherein the matrix is composed of cellulose acetate having a compositional distribution index (CDI) of 3.0 or less, and a concentration of the quantum dots is 0.05 wt % or higher.

Find Patent Forward Citations

Shimamoto, Shu. (2017). Quantum dot composite and wavelength conversion element, photoelectric conversion device, and solar cell having the composite (U.S. Patent No. 9796920). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9796920

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

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