Patent ID: 9601558
Date: 2017-03-21
CPC Classifications: G09G,H01L

Claim:
1. An OLED backplate structure, comprising a substrate, a TFT layer positioned on the substrate, a first isolation layer positioned on the TFT layer, a second isolation layer positioned on the first isolation layer, a first electrode positioned on the second isolation layer, a pixel definition layer positioned on the first electrode and the second isolation layer, a light emitting layer positioned on the pixel definition layer and the first electrode, a photospacer positioned on the pixel definition layer, and a second electrode positioned on the pixel definition layer, the photospacer and the light emitting layer; wherein multiple auxiliary conducting layers are provided to be apart front the first electrode under the second electrode, and the second electrode contacts the auxiliary conducting layers; and wherein the first isolation layer is provided with a first auxiliary conducting layer, and the second isolation layer is provided with a second auxiliary conducting layer, and the pixel definition layer is provided with a third via correspondingly above the second auxiliary conducting layer, and the second isolation layer is provided with a fourth via correspondingly above the first auxiliary conducting layer; the second auxiliary conducting layer contacts the first auxiliary conducting layer through the fourth via, and the second electrode contacts the second auxiliary conducting layer through the third via.