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US Patent 11407940 Films comprising bright silver based quaternary nanostructures

Patent 11407940 was granted and assigned to Nanosys on August, 2022 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
Nanosys
Nanosys
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Current Assignee
Nanosys
Nanosys
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
114079400
Patent Inventor Names
Ashenafi Damtew Mamuye0
Christopher Sunderland0
Chunming Wang0
Eunhee Hwang0
Jay Yamanaga0
Nahyoung Kim0
Ravisubhash Tangirala0
Wenzhou Guo0
Date of Patent
August 9, 2022
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Patent Application Number
171667880
Date Filed
February 3, 2021
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Patent Citations
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US Patent 10233389 Semiconductor nanoparticles and method of producing semiconductor nanoparticles
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US Patent 10927294 Bright silver based quaternary nanostructures
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US Patent 10316250 Method to improve the morphology of core/shell quantum dots for highly luminescent nanostructures
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US Patent 10563122 Semiconductor nanoparticles and method of producing semiconductor nanoparticles
Patent Primary Examiner
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Bijan Ahvazi
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CPC Code
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B32B 15/09
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B32B 15/043
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B32B 17/06
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B32B 17/061
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B32B 2255/10
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B32B 2255/205
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B32B 2264/105
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B29B 7/90
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...

Disclosed are films comprising Ag, In, Ga, and S (AIGS) nanostructures and at least one ligand bound to the nanostructures. In some embodiment, the AIGS nanostructures have a photon conversion efficiency of greater than 32% and a peak wavelength emission of 480-545 nm. In some embodiments, the nanostructures have an emission spectrum with a FWHM of 24-38 nm.

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