US 12,239,014 B2
Luminescent gold(III) compounds with thermally stimulated delayed phosphorescence (TSDP) property for organic light-emitting devices and their preparation
Vivian Wing-Wah Yam, Hong Kong (CN); Man-Chung Tang, Hong Kong (CN); Ming-Yi Leung, Hong Kong (CN); Shiu-Lun Lai, Hong Kong (CN); and Mei-Yee Chan, Hong Kong (CN)
Assigned to THE UNIVERSITY OF HONG KONG, Hong Kong (CN)
Appl. No. 16/959,462
Filed by THE UNIVERSITY OF HONG KONG, Hong Kong (CN)
PCT Filed Jan. 2, 2019, PCT No. PCT/CN2019/070126
§ 371(c)(1), (2) Date Jul. 1, 2020,
PCT Pub. No. WO2019/134651, PCT Pub. Date Jul. 11, 2019.
Claims priority of provisional application 62/612,792, filed on Jan. 2, 2018.
Prior Publication US 2021/0074933 A1, Mar. 11, 2021
Int. Cl. C07F 1/00 (2006.01); C09K 11/06 (2006.01); H05B 33/14 (2006.01); H10K 50/11 (2023.01); H10K 85/30 (2023.01); H10K 101/10 (2023.01)
CPC H10K 85/371 (2023.02) [C07F 1/00 (2013.01); C09K 11/06 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/188 (2013.01); H10K 50/11 (2023.02); H10K 2101/10 (2023.02)] 26 Claims
OG exemplary drawing
 
1. A light-emitting device with an ordered structure comprising an anode, a hole-transporting layer, a light-emitting layer, an electron-transporting layer and a cathode, wherein the light-emitting layer comprises a luminescent gold (III) compound that exhibits thermally stimulated delayed phosphorescence (TSDP), wherein the luminescent gold (III) compound has the chemical structure shown in formula (I),

OG Complex Work Unit Chemistry
wherein:
(a) X and Y are each nitrogen or carbon;
(b) Z1 and Z2 are both nitrogen, Z1 is nitrogen and Z2 is carbon, or Z1 is carbon and Z2 is nitrogen;
(c) A and B are benzene, cyclic structure derivatives of unsubstituted or substituted phenyl groups, or cyclic structure derivatives of unsubstituted or substituted heterocyclic groups;
d) R1 is a substituted aryl wherein a substituent of the substituted aryl of R1 is a sulfanyl or a pentasulfanyl;
(e) R2 is selected from the group consisting of alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, substituted heterocyclic, alkoxy, amide, thiolate, phosphide, chloride, thiocyanate and cyanide; and
(f) n is zero, a positive integer or a negative integer.