Country | Type | Number | Dated | Case |
United States Of America | Issued Patent | 11,127,932 | 09/21/2021 | 2017-077 |
Methods for the simultaneous printing via doctor blading of at least two different colored emissive layers for organic light emitting diodes (OLEDs) on a single substrate.
Multi-colored OLED arrays can be used in pulse oximetry, macro displays, hematoma sensing, and acne treatment devices.