| 摘要 |
PURPOSE:To enhance bending strength of a plastic base and to prevent disconnection of the ITO film of a liquid crystal display element by forming an org. material coat film on the plastic base before forming the ITO film. CONSTITUTION:Since an electrode base used for a liquid crystal display element needs acid and alkali resistances, and further, resistance to liquid crystals, an epoxy type resin highest in resistance to chemicals is selected as an org. material coat film to be formed on a plastic base., especially, a bis-phenol A type epoxy resin small in contraction rate in thermosetting is selected as the principal material. This material coat film is formed on the plastic base film before forming a light transmitting electrode. As a result, since scratches formed on the surface of the base is buried, very favorable effects can be obtained, that is, the bending strength of the base can be enhanced and the disconnection of an ITO film can be prevented. |
