| abstract |
The present invention relates to a polyimide-based resin film, and a display device substrate, a circuit board, an optical device and an electronic device, which use same, the polyimide-based resin film including a polyimide-based resin, which has a polyimide repeating unit synthesized by a reaction between an acid anhydride compound of a specific structure and a diamine compound, wherein the average transmittance at a wavelength of 300-780 nm is 60% or higher and the thickness retardation value at a thickness of 10 ㎛ is 150 nm or less. |