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.:
Date of Patent:
Aug. 25, 2026
Filed:
Mar. 17, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Nayoun Won, Suwon-si, KR;
Tae-Gon Kim, Suwon-si, KR;
Minho Kim, Suwon-si, KR;
Seungrim Yang, Suwon-si, KR;
Shin Ae Jun, Suwon-si, KR;
Yebin Jung, Suwon-si, KR;
A Ra Jo, Suwon-si, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Abstract
A semiconductor nanoparticle, including silver, a Group 13 metal, and a chalcogen element, wherein the semiconductor nanoparticle emits a first light, the Group 13 metal includes gallium, and optionally further includes indium, aluminum, or a combination thereof, the chalcogen element includes sulfur, and optionally further includes selenium, the first light has a full width at half maximum of greater than or equal to about 5 nanometers (nm) to less than or equal to about 70 nm, the first light has a maximum emission wavelength of greater than or equal to about 500 nm to less than or equal to about 600 nm, the semiconductor nanoparticle has a quantum yield of greater than or equal to about 50%, a mole ratio of gallium to sulfur is greater than or equal to about 0.1:1 to less than or equal to about 1:1, and a charge balance value defined by Equation 1 herein.