US Patent 10263199 Display device including a bending region and non-bending regions

A display device, including a substrate having a first region and second regions; transistors on the substrate in the first region and the second regions; first electrodes each connected to the transistors; an organic emission layer on the first electrodes; and second electrodes on the organic emission layer, molecular weights of organic materials of the organic emission layer in the first region and the organic emission layer in the second regions being different from each other.