US 12,454,646 B2
Quantum dot material and method for producing quantum dot material
Takafumi Moriyama, Corvallis, OR (US); and Aya Midorikawa, Corvallis, OR (US)
Assigned to SHOEI CHEMICAL INC., Tokyo (JP)
Filed by SHOEI CHEMICAL INC., Tokyo (JP)
Filed on Apr. 21, 2023, as Appl. No. 18/304,919.
Application 18/304,919 is a continuation of application No. 16/097,136, granted, now 11,667,838, previously published as PCT/JP2017/016494, filed on Apr. 26, 2017.
Claims priority of provisional application 62/327,910, filed on Apr. 26, 2016.
Prior Publication US 2023/0265342 A1, Aug. 24, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C09K 11/88 (2006.01); C09K 11/02 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); G01N 23/201 (2018.01)
CPC C09K 11/883 (2013.01) [C09K 11/025 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); G01N 23/201 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A quantum dot material, comprising:
a plurality of nanoscopic core-shell structures, each nanoscopic core-shell structure including
a nanocrystalline core,
a shell disposed on the nanocrystalline core; and
a modifier comprising a halogen, wherein
the modifier is present on a surface of the nanocrystalline core and an exterior surface of the shell, and
the content of the halogen is within a range of 4 to 8 mass % of the quantum dot material.