A liquid crystal display device and a manufacturing method thereof are provided. Meta information in query results describes data items identified by identifiers. This arrangement reduces the likelihood of accidental release of the support assembly from its supporting position. The mobile node can then form the rest of the authentication triplets using the challenges and then form the session key. In addition, the composite semipermeable membrane does not deteriorate as much as conventional composite semipermeable membrane even in cases where the membrane is sterilized by having chlorine-containing raw water permeate therethrough continuously or intermittently.