US 11,903,242 B2
Display apparatus including multi-layered upper encapsulation layer
Sunhee Lee, Yongin-si (KR); Sunho Kim, Yongin-si (KR); Gunhee Kim, Yongin-si (KR); Donghwan Shim, Yongin-si (KR); and Taehoon Yang, Yongin-si (KR)
Assigned to Samsung Display Co., Ltd., Yongin-si (KR)
Filed by SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed on Nov. 29, 2022, as Appl. No. 18/059,776.
Application 18/059,776 is a continuation of application No. 17/024,110, filed on Sep. 17, 2020, granted, now 11,515,506.
Claims priority of application No. 10-2019-0135588 (KR), filed on Oct. 29, 2019.
Prior Publication US 2023/0109818 A1, Apr. 13, 2023
Int. Cl. H10K 50/84 (2023.01); H10K 59/12 (2023.01); H10K 59/13 (2023.01); H10K 59/35 (2023.01); H10K 50/844 (2023.01); H10K 59/124 (2023.01); H10K 59/131 (2023.01); H10K 77/10 (2023.01); H01L 27/146 (2006.01); G02F 1/1333 (2006.01); G09F 9/30 (2006.01); G06F 1/16 (2006.01)
CPC H10K 50/8445 (2023.02) [H10K 59/124 (2023.02); H10K 59/131 (2023.02); H10K 77/111 (2023.02); G02F 1/133305 (2013.01); G06F 1/1652 (2013.01); G09F 9/301 (2013.01); G09G 2300/0408 (2013.01); G09G 2300/0804 (2013.01); G09G 2380/02 (2013.01); H01L 27/14678 (2013.01); H10K 59/35 (2023.02); H10K 59/351 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display apparatus comprising:
a substrate including a display area and a peripheral area around the display area;
a plurality of display elements in the display area;
a plurality of dams in the peripheral area; and
a thin film encapsulation layer over the plurality of display elements and including a first encapsulation layer, a second encapsulation layer over the first encapsulation layer, and an organic encapsulation layer between the first encapsulation layer and the second encapsulation layer,
wherein the second encapsulation layer extends beyond the plurality of dams to the peripheral area,
wherein the second encapsulation layer includes a plurality of inorganic thin layers and a plurality of organic thin layers alternately arranged,
wherein the plurality of inorganic thin layers contact each other at an end of the second encapsulation layer, and
wherein the plurality of organic thin layers includes a different material from the organic encapsulation layer.