Patent ID: 8241735

Claim:
A substrate for a display device, comprising: an inorganic glass; and resin layers placed on both sides of the inorganic glass, wherein the thickness d g of the inorganic glass is 25 μm to 30 μm, a ratio d rsum /d g between a total thickness d rsum of the resin layers and a thickness d g of the inorganic glass is 1.5 to 2.2, the resin layers are formed of a resin composition containing a polyethersulfon resin, a polycarbonate resin, an epoxy resin, an acrylic resin, or a polyolefin resin as a main component, an average coefficient of linear expansion at 170° C. of the substrate for a display device is 20 ppm ° C. −1 or less, and a rupture diameter is 30 mm or less when the substrate for a display device is curved.