A lead line structure and a display panel having the same are provided. The lead line structure includes first and second lead lines. Each of the first lead lines has a first straight portion and a first oblique portion connected with the first straight portion. The second lead lines and the first lead lines are alternatively arranged, and each of the second lead lines has a second straight portion, a second oblique portion and a contact window. The contact window contacts with the second straight portion so as to electrically connect the second straight portion and the second oblique portion. The first straight portions of the first lead lines and the second straight portions of the second lead lines extend towards the driving device and are electrically connected to the driving device.