20090130297 | Organic EL Material, Organic EL Device Using the Same, and Method for Producing Organic EL Device - Disclosed are an aluminum chelate complex capable of stabilizing the degree of vacuum in a film-forming chamber in the vapor deposition step and producing efficiently a high-quality organic EL device which shows excellent reliability and durability in practical use and an organic EL device using the said aluminum chelate complex. The aluminum chelate complex useful as an organic EL material is represented by L | 05-21-2009 |