Water-scavenging agent for an organic electroluminescent device and organic electroluminescent device comprising same
AssigneeFutaba Corporation
InventorsHisamitsu Takahashi, Shigeru Hieda, Yoshihisa Tsuruoka, Satoshi Tanaka
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Abstract
A novel water-scavenging agent of the present invention comprising a compound of formula (I) as a primary component can be dissolved in a polar solvent and coated by a screen printing method, and the inventive organic EL device comprising same can maintain stable luminescent characteristics for a prolonged time: 1 wherein, R1, R2, R3, R4, R5 and R6 are each independently hydrogen; halogen; alkyl, aryl, cycloalkyl or hetero-ring, optionally substituted with at least one halogen atom, and M is a metal having a coordination number of 6.
Claims5
A water-scavenging agent for an organic EL device comprising a compound of formula (I) as a primary component:
- 13
- wherein,
- R1, R2, R3, R4, R5 and R6 are each independently hydrogen;
- halogen;
- alkyl, aryl, cycloalkyl or hetero-ring, optionally substituted with at least one halogen atom, and
- M is a metal having a coordination number of 6.
Dependencies are inferred from the claim text.