It is an object to provide an organic fluorescent substance which can be used in a light emitting transistor element and an organic EL element. The invention provides a light emitting transistor element or an organic electroluminescence element wherein a specific asymmetric pyrene based compound is used in a light emitting layer in the light emitting transistor element, or in a light emitting layer, a hole transporting layer or an electron transporting layer in the organic EL element.
本发明的目的是提供一种有机荧光物质,可用于发光晶体管元件和有机电致发光元件。该发明提供了一种发光晶体管元件或有机电致发光元件,其中在发光晶体管元件的发光层中使用了一种特定的不对称
芘基化合物,在有机电致发光元件的发光层、空穴传输层或电子传输层中使用。