The 4-1734592-0 from TE Connectivity is a single row FPC connector. It is a 0.5mm pitch, 40 position bottom contact SMT type FPC connector.
The FH12-40S-0.5SH(55) from Hirose is a 0.5mm pitch, 40 position FPC/FFC connector. It has rotating one touch ZIF system that requires less space than a slide connector and can be mounted in the centre of the PCB. FH12-40S-0.5SH(55) is offered with a reinforced actuator that provides extra measure of security against actuator breakage.
The 54132-4062 from Molex is a 0.50mm pitch, single row Easy-On type FFC/FPC connector. It is made of phosphor bronze material with gold plating and gold termination. This connector mates with Molex Premo-Flex FFC cable.