TRANSPARENT PIEZOELECTRIC LAMINATED FILM AND TOUCH PANEL

• Main Authors: TAMAMURA, Ryosuke, YAMAGUCHI, Kei, IMAJI, Makoto
• Format: Patent
• Language: English; French; German
• Published: 22.05.2024
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CALCULATING; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPUTING; CORRECTING FLUIDS; COUNTING; DYES; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; FILLING PASTES; GENERAL PROCESSES OF COMPOUNDING; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; PHYSICS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS AS ADHESIVES; USE OF MATERIALS THEREFOR; WOODSTAINS; WORKING-UP

To prevent discoloration of a transparent piezoelectric film made of a fluororesin in a transparent piezoelectric laminated film including the transparent piezoelectric film. A transparent piezoelectric laminated film (10) including, by sequentially stacking, a transparent piezoelectric film (1) made of a fluororesin, a transparent coating layer (2) having a thickness of 0.20 µm or more, and a transparent adhesive layer (3).