[1]CurrentPatentAssignee:SEMICONDUCTORENERGYLABORATORYCO.,LTD.-WO2015/37548,2015,A1Locationinpatent:Paragraph0248;0249
Title: A tetra-substituted chrysene: orientation of multiple electrophilic substitution and use of a tetra-substituted chrysene as a blue emitter for OLEDs.
Journal: Chemical communications (Cambridge, England) 20080528