摘要 |
A light-emitting device comprising a pair of electrodes and one or more organic layers disposed between the electrodes, the one or more organic layers comprising a light-emitting layer. At least one of the organic layers comprises a transition metal complex containing a moiety represented by the following formula (1): wherein M<SUP>11 </SUP>represents a transition metal ion; and R<SUP>11</SUP>, R<SUP>12</SUP>, R<SUP>13</SUP>, R<SUP>14</SUP>, R<SUP>15</SUP>, R<SUP>16 </SUP>and R<SUP>17 </SUP>represent a substituent or a single bond, respectively, or a tautomer thereof.
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