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:
Sep. 27, 2022
Filed:
Jan. 17, 2019
Applicant:
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Wuhan, CN;
Inventor:
Jiajia Luo, Wuhan, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/6568 (2006.01); H01L 51/00 (2006.01); H01L 51/52 (2006.01); C09K 11/06 (2006.01); C07F 9/6596 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07F 9/65685 (2013.01); H01L 51/0071 (2013.01); H01L 51/0094 (2013.01); H01L 51/5212 (2013.01); C07F 9/6568 (2013.01); C07F 9/6596 (2013.01); C07F 9/65683 (2013.01); C09K 11/06 (2013.01); C09K 2211/104 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1096 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/5028 (2013.01);
Abstract
A method for preparing a sensitizing material and an organic light emitting diode are provided, the method including: adding CHBrPand dichloromethane to a hydrogen peroxide solution to react therewith, dissolving a reactant in a dichloromethane solution and subjecting the solution to a purification with a first silica gel column; adding a purified product, a predetermined electron donor material, palladium acetate, and tri-tert-butylphosphine tetrafluoroborate in sodium tert-butoxide and toluene to react; extracting with dichloromethane and purified by a second silica gel column.