Patent ID: 8269212
Filing Date: 2012-09-18
Classification: H01L

Abstract:
1. A pixel for an organic light emitting diode (OLED) display, the pixel comprising: a substrate; an n-channel transistor formed over the substrate, the n-channel transistor comprising a gate, a source, and a drain; an insulating layer formed over the transistor; a reflective layer formed on the insulating layer; a microcavity dielectric layer formed on the reflective layer; an anode layer formed on the microcavity dielectric layer; an OLED stack formed over the anode layer; a cathode layer formed on the OLED stack; wherein the cathode is electrically connected to the drain of the n-channel transistor through a via in the insulating layer, and the anode is electrically connected to a global power bus, and the global power bus is configured to be connected to a power supply outputting a voltage which is positive with respect to a ground.