Polycyclic aromatic compound
AssigneesKwansei Gakuin Educational Foundation, SK Materials JNC Co., Ltd.
InventorsTakuji HATAKEYAMA, Soichiro NAKATSUKA, Kiichi NAKAJIMA, Hiroki HIRAI, Yohei ONO, Kazushi SHIREN, Jingping NI, Takeshi MATSUSHITA, Toshiaki IKUTA
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Abstract
A novel polycyclic aromatic compound in which plural aromatic rings are linked via boron atoms, oxygen atoms and the like is provided, and therefore, the range of selection of the material for organic electroluminescent elements can be widened. Also, an excellent organic electroluminescent element is provided by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element.
Claims17
A polycyclic aromatic compound represented by the following general formula (1), or an oligomer of a polycyclic aromatic compound having plural structures that are each represented by the following general formula (1):
- wherein in formula (1),
- ring A, ring B and ring C each independently represent an aryl ring or a heteroaryl ring, while at least one hydrogen atom in these rings may be substituted;
- Y1 represents B, P, P═O, P═S, Al, Ga, As, Si—R or Ge—R, wherein R of the moieties Si—R and Ge—R represents an aryl or an alkyl;
- X1 and X2 each independently represent O, N—R, S or Se, wherein R of the moiety N—R represents an aryl or alkyl which may be substituted, and R of the moiety N—R may be bonded to the ring B and/or ring C by a linking group or a single bond;
- and
- at least one hydrogen atom in the compound or structure represented by formula (1) may be substituted by a deuterium atom.
Dependencies are inferred from the claim text.