The present invention discloses triptycene derivatives and their application as a host emitting material, an electron transport material, or a hole transport material in an organic electronic device. The triptycene derivative has the following general structure:
where R
1
˜R
12
can be identical or different and R
1
˜R
12
are independently selected from the group consisting of the following: aryl group having one or more substituents; heterocyclic aryl group having one or more substituents; non-aryl group having one or more substituents;