A light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.

 
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> Organic light-emitting device with meandering electrode surface, and method for manufacturing same

> Method of production of optically active halohydrocarbons and alcohols using hydrolytic dehalogenation catalysed by haloalkane dehalogenases

~ 00567