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:
Jan. 07, 2025

Filed:

Apr. 04, 2023
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Jihyun Min, Seoul, KR;

Seon-Yeong Kim, Suwon-si, KR;

Eun Joo Jang, Suwon-si, KR;

Hyo Sook Jang, Suwon-si, KR;

Soo Kyung Kwon, Suwon-si, KR;

Yong Wook Kim, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/70 (2006.01); C09K 11/62 (2006.01); C09K 11/88 (2006.01); H01L 29/12 (2006.01); H10K 59/38 (2023.01);
U.S. Cl.
CPC ...
C09K 11/70 (2013.01); C09K 11/62 (2013.01); C09K 11/883 (2013.01); H01L 29/122 (2013.01); H10K 59/38 (2023.02);
Abstract

A quantum dot including a semiconductor nanocrystal core and a semiconductor nanocrystal shell disposed on the core and does not include cadmium, wherein the core includes a Group III-V compound, the quantum dot has a maximum photoluminescence peak in a green light wavelength region, a full width at half maximum (FWHM) of the maximum photoluminescence peak is less than about 50 nanometers (nm), and a difference between a wavelength of the maximum photoluminescence peak and a first absorption peak wavelength of the quantum dot is less than or equal to about 25 nanometers, and a production method thereof.


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