| 摘要 |
A metal complex compound is provided to ensure good light emission properties(emission wavelength, luminance, quantum yield, and driving voltage) and durability. A compound is represented by the following formula (I), wherein N represents a nitrogen atom; C represents a carbon atom; Pt represents a platinum atom; Z1, Z4, Z5, and Z8 represent a carbon atom or a nitrogen atom; Z2, Z3, Z6, and Z7 represent a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; Z11 and Z16 represent a carbon atom or a nitrogen atom; Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 represent a carbon atom, a nitrogen atom, an oxygen atom, or a sulfur atom; Y1 and Y2 represent a single bond, an oxygen atom, a sulfur atom, a nitrogen atom; A11 represents a divalent linking group; and B1 and B2 represent a single bond or a divalent linking group. |
