Benzopyran compound, material for luminous device, and luminous device using the same

A luminous device comprising:

• a pair of electrodes;
• and
• at least one organic compound thin layer including a luminous layer, provided between the electrodes,
• wherein at least one layer of said organic compound thin layer(s) contains at least one compound selected from:
• compounds represented by formula (1):
• wherein R1, R2, R3, R4, R5, R6, R7 and R8 each represents a hydrogen atom or a substituent;
• X represents O, S or N—R, wherein R represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group;
• Y represents O, S or CQ1(Q2), wherein Q1 and Q2 each represents a hydrogen atom or a substituent, at least either one of them represents an electron attractive group, and Q1 and Q2 may be linked to each other to form a ring;
• and Z is represented by the following formula (II):
• wherein Ra and Rb each represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group, and at least one combination of Ra and Rb, Ra and R1, and Rb and R2 may be linked to each other to form a ring;
• M represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group, a heterocyclic group or a cation;
• compounds represented by formula (I-a):
• wherein R1, R2, R3, R4, R5, R6, R7 and R8 each represents a hydrogen atom or a substituent;
• X represents O, S or N—R, wherein R represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group;
• Ara and Arb each represents an aryl group or an aromatic heterocyclic group, and at least one combination of Ara and Arb, Ara and R1, and Arb, and R2 may be linked to each other to form a ring;
• and Y represents O or S;
• compounds represented by formula (III):
• wherein R1, R2, R3 and R4 each represents a hydrogen atom or a substituent;
• R11 represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group;
• R21, represents a hydrogen atom or a substituent;
• X represents O, S or N—R, wherein R represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group;
• and Ara and Arb each represents an aryl group or an aromatic heterocyclic group, and at least one combination of Ara and Arb, Ara and R1, and Arb and R2 may be linked to each other to form a ring;
• and
• compounds represented by formula (I′):
• wherein R1′, R2′, R3′, R4′, R5′, R6′, R7′, R8′ and R11′ each represents a hydrogen atom or a substituent;
• X′ represents O, S or N—R′, wherein R′ represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group;
• and Z′ represents N—Ra′ Rb′ (wherein Ra′and Rb′ each represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group or —OM′ (wherein M′ represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group, a heterocyclic group or a cation).