FFC FPC 40 Pins/50 Pins 0.5mm Pitch to DIP 2.4mm PCB Converter Board – Oz Robotics
40-pin FPC to Straight 2x20 IDC Female Socket Header : ID 4905 : $3.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: uxcell Forward Direction 40 Pin a Type FFC FPC Ribbon Flat Cable 0.5mm x 300mm 5pcs : Electronics
Amazon.com: Xiaoyztan 40 Pin Flexible Flat Ribbon Cable 0.5mm Pitch FFC FPC for LCD TV Car Audio DVD Player Laptop (200mm Length, Pack of 20Pcs) : Electronics