FeSO4-mediated direct arylation of heteroarenes with arylboronic acids in the presence of K2S2O8 has been developed. A slow addition of an aqueous solution of an iron complex was crucial in the ary...
ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:YEN Feng-Wen
公开号:US20200235315A1
公开(公告)日:2020-07-23
The present invention discloses an organic compound and an organic electroluminescence device using the organic compound as a host material, a fluorescent guest material, an electron transporting or a hole blocking material in the light emitting layer of the organic electroluminescence device. The organic compound may be for lowering a driving voltage, power consumption or increasing a current efficiency or half-life of the organic electroluminescence device.
The same definition as described in the present invention.
POLYHETEROAROMATIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:YEN FENG-WEN
公开号:US20190123284A1
公开(公告)日:2019-04-25
The present invention discloses a novel polyheteroaromatic compound derived from 7′,7′-dimethyl-5′,7′-dihydrospiro[cyclopenta[1,2-b:5,4-b′-dithiophene-4,13′-indeno[1,2-b]acridine] core structures. The polyheteroaromatic compound can be used as organic electroluminescence materials for use in an organic electroluminescence device and electronic equipment.