| 摘要 |
<p>A pi-conjugated aromatic ring-containing compound represented by the formula (1) below is relatively stable and useful as a light-emitting material for light from blue-violet region to red region. (1) [In the formula, R<1>-R<6> independently represent a hydrogen atom or the like; A and D independently represent a pyridine ring, pyrimidine ring, pyridazine ring, pyrazine ring, furan ring, pyrrole ring, pyrazole ring, imidazole ring, thiophene ring, benzothiadiazole ring, thieno[3,4-b]pyrazine ring, furo[3,4-b]pyrazine ring, 6H-pyrrolo[3,4-b]pyrazine ring or the like; a1, a2 and a3 independently represent 0 or 1; and n1 and n2 independently represent an integer of 1-5.]</p> |
