OPTICAL ELEMENT FOR FINGERPRINT AUTHENTICATION

• Main Authors: ZHANG YUANJING, ISOBE SHINGO
• Format: Patent
• Language: English; Korean
• Published: 15.09.2023
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CALCULATING; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPUTING; CORRECTING FLUIDS; COUNTING; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PHYSICS; POLISHES; SEMICONDUCTOR DEVICES; USE OF MATERIALS THEREFOR; WOODSTAINS

Provided are an optical element for fingerprint authentication, having a light-transmitting spacer layer formed together with a substrate, a photodiode, and a microlens while inhibiting warpage, having excellent chemical and solvent resistance, and having sufficient thickness, a method for manufactu...