GLASS SUBSTRATE WITH SEALING MATERIAL LAYER, ORGANIC EL DEVICE USING SAME, AND MANUFACTURING METHOD FOR ELECTRONIC DEVICE

摘要

Provided is a glass substrate with a sealing material layer, including a sealing material layer formed by sintering a sealing material, in which: the sealing material includes at least inorganic powder; the inorganic powder includes glass powder and a refractory filler; the content of refractory filler in the inorganic powder is 10 to 35 vol %; and the sealing material layer has a surface roughness Ra of less than 0.5 μm.