Leader member, substrate, substrate cartridge, substrate-processing apparatus, leader-connecting method, method of manufacturing display element, and apparatus for manufacturing display element

A leader member comprising:

• a connection portion that is connected to a substrate;
• and
• a position reference portion that is used at least for aligning the substrate with the connection portion.

A leader-connecting method for connecting a leader member to a substrate, the leader-connecting method comprising:

• aligning the substrate with the leader member;
• and
• connecting the substrate and the leader member to each other after the aliment of the substrate with the leader member.