Back to results
US 11,539,003 B2Granted
Polycyclic aromatic amino compound
AssigneesKwansei Gakuin Educational Foundation, SK Materials JNC Co., Ltd.
InventorsTakuji Hatakeyama, Guofang Wang, Yasuyuki Sasada
Life of this patent
Estimating the term…
Abstract
By providing a novel polycyclic aromatic amino compound having an amino substituent and having a plurality of aromatic rings linked via a boron atom, an oxygen atom, or the like, for example, as in the following formula, a selection range of a material for an organic EL element is widened. In addition, by using the novel polycyclic aromatic amino compound as a material for an organic electroluminescent element, an excellent organic EL element is provided
Claims15
A polycyclic aromatic amino compound represented by the following general formula (1A):
- wherein in the formula (1A), each Ar represents an unsubstituted phenyl, R2 each independently represents a phenyl or an alkyl having 1 to 4 carbon atoms, m represents an integer of 0 to 2, and X1 and X2 represent O.
Dependencies are inferred from the claim text.