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US 2002/0055014 A1Published application
Light-emitting device and material therefor
AssigneeFuji Photo Film Co., Ltd.
InventorsHisashi Okada, Toshihiro Ise, Masayuki Mishima, Toshiki Taguchi
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Abstract
A light-emitting device comprising a pair of electrodes formed on a substrate, and organic compound layers comprising a light-emitting layer provided in between the electrodes, wherein at least one of the organic compound layers comprises a heterocyclic compound having at least two hetero atoms and a phosphorescent compound.
Claims15
A light-emitting device comprising:
- a pair of electrodes formed on a substrate;
- and
- organic compound layers comprising a light-emitting layer provided in between the electrodes,
- wherein at least one of the organic compound layers comprises a heterocyclic compound having at least two hetero atoms and a phosphorescent compound.
1 more element
A polymer comprising a repeating unit represented by formula (D-I):
- 39
- wherein ArD represents an arylene group or a divalent heterocyclic group;
- RD1 and RD2 each independently represent a hydrogen atom or a substituent;
- nD represents an integer of 0 to 3;
- and mD represents an integer of 0 to 5.
2 more elements
A polymer comprising a repeating unit represented by formula (E-I)
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- wherein ArE represents an arylene group or a divalent heterocyclic group;
- RE1 and RE2 each independently represent a hydrogen atom or a substituent;
- nE and mE each independently represent an integer of 0 to 5;
- and n′ represents 0 or 1.
2 more elements
Dependencies are inferred from the claim text.