US 12,302,694 B2
Organic electroluminescent devices
Siddharth Harikrishna Mohan, Plainsboro, NJ (US); William E. Quinn, Whitehouse Station, NJ (US); Ruiqing Ma, Morristown, NJ (US); Emory Krall, Philadelphia, PA (US); and Luke Walski, Princeton, NJ (US)
Assigned to Universal Display Corporation, Ewing, NJ (US)
Filed by Universal Display Corporation, Ewing, NJ (US)
Filed on Apr. 19, 2024, as Appl. No. 18/640,328.
Application 17/136,404 is a division of application No. 14/661,335, filed on Mar. 18, 2015, granted, now 10,910,590, issued on Feb. 2, 2021.
Application 18/640,328 is a continuation of application No. 17/136,404, filed on Dec. 29, 2020, granted, now 11,997,866.
Claims priority of provisional application 61/970,937, filed on Mar. 27, 2014.
Prior Publication US 2024/0268144 A1, Aug. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 50/842 (2023.01); H10K 50/11 (2023.01); H10K 50/81 (2023.01); H10K 50/813 (2023.01); H10K 50/82 (2023.01); H10K 50/822 (2023.01); H10K 50/844 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 71/00 (2023.01); H10K 77/10 (2023.01); H10K 102/00 (2023.01)
CPC H10K 50/8426 (2023.02) [H10K 50/11 (2023.02); H10K 50/81 (2023.02); H10K 50/82 (2023.02); H10K 50/822 (2023.02); H10K 50/844 (2023.02); H10K 59/121 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 71/00 (2023.02); H10K 77/111 (2023.02); H10K 50/813 (2023.02); H10K 2102/311 (2023.02)] 17 Claims
OG exemplary drawing
 
1. An organic light emitting device, comprising:
a substrate;
a plurality of organic light emitting diode (OLED) pixels, each comprising an OLED pixel disposed over the substrate;
a first barrier element, disposed over the substrate and forming an insulating grid surrounding the OLED pixel, wherein the first barrier element is inverted to form a shadow mask for OLED pixel isolation from the first barrier element during deposition;
a second barrier element, disposed over the OLED pixel and the first barrier element and in direct contact with the first barrier element;
wherein the first barrier element provides an edge seal for each respective OLED pixel; and
wherein the second barrier element encapsulates the at least one OLED pixel to provide a top seal.