Transistor array panel, including a source connecting member and a drain connecting member manufacturing method thereof, and display device including the same

A display device comprising:

• a substrate;
• a first transistor disposed on the substrate;
• and
• a light-emitting diode element connected to the first transistor,
• wherein the first transistor includes
• a lower electrode disposed on the substrate,
• a first semiconductor overlapping the lower electrode,
• a first insulating layer covering the first semiconductor,
• a first gate electrode disposed on the first insulating layer and overlapping the first semiconductor,
• a first connecting member disposed on the first insulating layer and connected to the first semiconductor, the first connecting member including a first source connecting member and a first drain connecting member,
• a second insulating layer covering the first gate electrode, the first source connecting member and the first drain connecting member, and
• a first source electrode and a first drain electrode disposed on the second insulating layer,
• wherein the first gate electrode includes at least three layers, the first connecting member includes at least two layers, and the first connecting member is connected to the lower electrode,
• wherein the first source electrode is connected to the first source connecting member,
• wherein the first semiconductor includes a first channel, and a first source region and a first drain region disposed at respective sides of the first channel, and
• wherein the first source region and the first drain region are respectively connected to the first source connecting member and the first drain connecting member.