Patent ID: 8207666
Filing Date: 2012-06-26
Classification: H01L,Y10S

Abstract:
1. A method of operating an electroluminescent device comprising a substrate having first and second surfaces, the first and second surfaces being different surfaces; an anode electrode layer over the first surface; an organic emitting layer provided on the anode layer; a cathode electrode layer provided on the organic emitting layer; and a polarizer provided on at least one of the first surface or the second surface of the substrate, the method comprising the step of: providing a first current to the anode electrode layer to produce a first color of light emitted by the organic emitting layer, the first color of light being transmitted outside through the substrate and the polarizer; providing a second current to the anode electrode layer to produce a second color of light emitted by the organic emitting layer, the first color of light being transmitted outside through the substrate and the polarizer; and providing a third current to the anode electrode layer to produce a third color of light emitted by the organic emitting layer, the first color of light being transmitted outside through the substrate and the polarizer, wherein a magnitude of the first current is less than approximately 7 times a magnitude of the second current, and less than approximately 3.5 times a magnitude of the third current, wherein the polarizer includes only one colored substance corresponding to one color of light emitted by the electroluminescent layer, and the one colored substance is uniformly dispersed at total surface area of the polarizer.