Patent ID: 7560733
Filing Date: 2009-07-14
Classification: H01L

Abstract:
1. An organic light emitting device comprising: a transistor on a substrate, the transistor including gate, source, and drain electrodes; a first electrode connected to one of the source and drain electrodes; an organic emitting layer on the first electrode; and a second electrode on the organic emitting layer, wherein each of the source and drain electrodes includes first, second, and third layers each having a different tapered angle, the second layer being sealed by the first and third layers, a thickness ratio of the first and second layers being 1:2.25 to 1:22.5, a thickness ratio of the third and second layers being 1:1.2 to 1:1.9, wherein the first electrode includes a metallic layer and a conductive layer, a thickness ratio of the metallic layer and the conductive layer being 9.5:1 to 10:1.