A layer of erbiumdoped gadolinium oxide yellow green light luminescent film is deposited on a graphite conductive substrate. 在石墨导电衬底上沉积一层掺铒氧化钆黄绿光发光薄膜。
A layer of europium oxide red light luminescent thin film is deposited on one side surface of a single crystal silicon substrate. 在单晶硅衬底的一个侧面沉积有一层氧化铕红光发光薄膜。