Patent ID: 8618724
Filing Date: 2013-12-31
Classification: C04B,F21V,H01L

Abstract:
1. A reflective frame for a light-emitting element, which is formed to surround a mounting portion of a metal member on which a light-emitting element is mounted, and which is made of a sintered body comprising a glass material and a ceramic powder; wherein the glass material comprises, as based on oxides, from 15 to 25 mol % of SiO 2 , from 25 to 40 mol % of B 2 O 1 , from 0 to 10 mol % of ZnO, from 0 to 5 mol % of Li 2 O+Na 2 O+K 2 O, from 20 to 35 mol % of CaO, from 20 to 40 mol % of CaO+MgO+BaO+SrO, from 0 to 5 mol % of TiO 2 and from 0 to 5 mol % of Al 2 O 3 ; and the sintered body is one fired at at most 900° C. and has a porosity of at most 15% and an average reflectance at a wave length of from 400 to 700 nm being at least 86% when the thickness is 1 mm.