Patent ID: 9548341
Date: 2017-01-17
CPC Classifications: H01L

Claim:
1. An organic light emitting diode (OLED) display, comprising: a substrate; a plurality of thin film transistors formed on the substrate; a plurality of first electrodes respectively connected to the thin film transistors; a pixel definition layer formed on the substrate and having a first opening, a second opening, and a third opening respectively exposing first, second, and third first electrodes of the plurality of first electrodes; an emission layer formed at the first opening, the second opening, and the third opening; and a second electrode formed on the emission layer, wherein the first opening has a first pair of boundary lines facing each other and a second pair of boundary lines facing each other, the first pair of boundary lines are coincident with boundary lines of a pair of boundary lines of the first first electrode, and the second pair of boundary lines are positioned within another pair of boundary lines of the first first electrode, and the first pair of boundary lines are connected with the second pair of boundary lines.