A metal coordination compound having a structure according to formula (1) or (3), wherein ligand L is a phenylisoquinoline ligand and ligand L2 is different from L: ##STR00001## A luminescence device and a display apparatus using this metal coordination compound are provided.

 
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< Organic electroluminescence element and silicon compound

> Dry etching method and diffractive optical element

> Assembly of a semiconductor die attached to substrate with oxazoline derivative bearing an electron donor or acceptor functionality
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