This document specifies the terms and definitions, requirements, test methods, inspection rules, product packaging, marking, transportation and storage of substrate glass for organic light-emitting diode display devices. This document applies to substrate glass for active matrix organic light-emitting diode display devices (hereinafter referred to as "substrate glass") for semiconductor manufacturing processes such as low-temperature polysilicon (LTPS), indium gallium zinc oxide (IGZO), and low-temperature polycrystalline oxide (LTPO). .