PURPOSE:To make light scattering at the boundary smaller with improved efficiency and also make manufacturing easier by providing layers of a dielectric layer having relatively large refractive index and a metal later having a desired pattern.
申请公布号
JPS53114450(A)
申请公布日期
1978.10.05
申请号
JP19770156593
申请日期
1977.12.27
申请人
OKI ELECTRIC IND CO LTD;YANAI HISAYOSHI;KAMIYA TAKESHI