An LED display device includes a first scan switching element between a data line and a first node, a first voltage transfer switching element between a first drive voltage line and the first node, a first detection switching element between second and third nodes, a first driving switching element between the first drive voltage line and the third node, a first emission control switching element between the third node and a first LED, a second scan switching element between the data line and the second node, a second voltage transfer switching element between the first drive voltage line and the second node, a second detection switching element between the first node and a fourth node, a second driving switching element, a second emission control switching element between the fourth node and a second LED, and a common capacitor between the first node and the second node.