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.

Date of Patent:
Oct. 31, 2023

Filed:

Mar. 16, 2021
Applicants:

Samsung Display Co., Ltd., Yongin-si, KR;

Hongik University Industry-academia Cooperation Foundation, Seoul, KR;

Inventors:

Yunhyuk Ko, Yongin-si, KR;

Heesun Yang, Seoul, KR;

Changhee Lee, Yongin-si, KR;

Kyunghye Kim, Seoul, KR;

Sungwoon Kim, Yongin-si, KR;

Jungho Jo, Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/62 (2006.01); C09K 11/70 (2006.01); C09K 11/08 (2006.01); C09K 11/56 (2006.01); C01G 15/00 (2006.01); H05B 33/14 (2006.01); C01G 9/08 (2006.01); C01B 19/04 (2006.01); H10K 50/115 (2023.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
C09K 11/626 (2013.01); C01B 19/04 (2013.01); C01G 9/08 (2013.01); C01G 15/006 (2013.01); C09K 11/0883 (2013.01); C09K 11/565 (2013.01); C09K 11/70 (2013.01); H05B 33/14 (2013.01); H10K 50/115 (2023.02); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2006/60 (2013.01); H10K 2102/00 (2023.02);
Abstract

Provided are a quantum dot, a method of preparing the quantum dot, an optical member including the quantum dot, and an electronic device including the quantum dot. The quantum dot includes a core including indium (In), A, and A; and a shell covering the core. Ais a Group V element, Ais a Group III element other than indium, and the core includes a first region, and a second region covering the first region. The first region does not include A, and includes indium and A, and the second region includes indium, A, and A, and indium and Aare alloyed with each other in the second region.


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