	US 12,077,700 B2
	Top-emitting printed display with quantum dots and thermally activated delayed fluorescence molecules
Stuart Stubbs, Manchester (GB); and Chris Brown, Natick, MA (US)
Assigned to KYULUX, INC., Fukuoka (JP)
Appl. No. 17/046,658
Filed by Kyulux, Inc., Fukuoka (JP)
PCT Filed Apr. 4, 2019, PCT No. PCT/IB2019/000427 § 371(c)(1), (2) Date Oct. 9, 2020, PCT Pub. No. WO2019/197904, PCT Pub. Date Oct. 17, 2019.
Claims priority of provisional application 62/656,075, filed on Apr. 11, 2018.
Prior Publication US 2021/0155849 A1, May 27, 2021
Int. Cl. C09K 11/02 (2006.01); C09K 11/06 (2006.01); C09K 11/08 (2006.01); C09K 11/70 (2006.01); H10K 50/11 (2023.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01); H10K 50/18 (2023.01); H10K 85/60 (2023.01); H10K 102/00 (2023.01); H10K 50/818 (2023.01); H10K 50/828 (2023.01); H10K 50/852 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01); H10K 101/20 (2023.01)

CPC C09K 11/70 (2013.01) [C09K 11/02 (2013.01); C09K 11/06 (2013.01); C09K 11/0883 (2013.01); H10K 85/6572 (2023.02); C09K 2211/1007 (2013.01); C09K 2211/1018 (2013.01); H10K 50/11 (2023.02); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 50/18 (2023.02); H10K 50/818 (2023.02); H10K 50/828 (2023.02); H10K 50/852 (2023.02); H10K 2101/10 (2023.02); H10K 2101/20 (2023.02); H10K 2101/90 (2023.02); H10K 2102/3026 (2023.02); H10K 2102/351 (2023.02)]

10 Claims

1. An emissive layer of a top-emitting (TE) printed display comprising:

nanocrystal quantum dots (QDs) and thermally activated delayed fluorescent (TADF) molecules; and

electron and hole charge transport materials,

wherein at least one of the QDs and the TADF molecules are disposed in a host material which is 4,4′,4″-tris(N-carbazolyl)triphenyl-amine (TCTA).