Pillsbury Winthrop Shaw Pittman LLP
Material for lighting emitting device and light emitting device
The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1):wherein each of R1, R2, R3, R4, R5 and R6 may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.
C Y C H H H C C
C09K Y10S C09K H01L H01L H01L C09K C09K
additional additional additional additional additional inventional additional inventional
Mariko Takeshi Daisuke Kazunori Tsuyoshi
Sano Ishigaki Kitazawa Sugimoto Tominaga