COATING LIQUID FOR FORMING METAL OXIDE FILM, OXIDE INSULATOR FILM, FIELD-EFFECT TRANSISTOR, DISPLAY ELEMENT, IMAGE DISPLAY DEVICE, AND SYSTEM

摘要

A field-effect transistor including: a source electrode and a drain electrode; a gate electrode; a semiconductor layer; and a gate insulating layer, wherein the gate insulating layer is an oxide insulator film including A element and B element, the A element being one or more selected from the group consisting of Zr and Hf and the B element being one or more selected from the group consisting of Be and Mg.