Patent ID: 8884286
Filing Date: 2014-11-11
Classification: H01L

Abstract:
1. A switching element comprising: an active pattern comprising a channel portion, a source portion connected to the channel portion, and a drain portion connected to the channel portion, wherein the source portion, the drain portion, and the channel portion of the active pattern each comprise at least one common material; a gate electrode overlapping the channel portion of the active pattern; a gate insulation layer disposed between the channel portion of the active pattern and the gate electrode; a source electrode disposed on the source portion of the active pattern, wherein the source electrode makes ohmic contact with the source portion, and wherein the source electrode includes a graphene layer in direct physical contact with the source portion; and a drain electrode disposed on the drain portion of the active pattern, wherein the drain electrode makes ohmic contact with the drain portion, and wherein the drain electrode includes a graphene layer in direct physical contact with the drain portion.