Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Saisuke Watanabe0
Kazumi Nii0
Toshihiro Ise0
Tatsuya Igarashi0
Hisashi Okada0
Date of Patent
June 22, 2010
0Patent Application Number
105302890
Date Filed
December 26, 2003
0Patent Primary Examiner
Patent abstract
An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer between the pair of electrodes, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one electron injection/transport compound, at least one hole injection/transport compound, and at least one green or blue phosphorescent compound; and the electron injection/transport compound and the hole injection/transport compound each has a minimum triplet exciton energy value which is equal to or more than that of the green or blue phosphorescent compound.
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