Patent ID: 8884316
Filing Date: 2014-11-11
Classification: H01L

Abstract:
1. A method, comprising: providing a plurality of organic light emitting devices (OLEDs) on a first substrate wherein each OLED includes a transmissive top electrode and wherein the plurality of OLEDs comprises a first portion of OLEDs and a second portion of OLEDs that is different from the first portion; depositing a first capping layer over at least the first portion of the plurality of OLEDs such that the first capping layer is optically coupled to at least the first portion of the plurality of OLEDs; and depositing a second capping layer over at least the second portion of the plurality of OLEDs such that the second capping layer is optically coupled to the second portion of the plurality of OLEDs but not the first portion of the plurality of OLEDs, and wherein the second capping layer is deposited through a coarse mask or no mask and is not deposited through a fine metal mask (FMM).