US 12,232,398 B2
Display device including encapsulation layer on light emitting layer
Kyunghee Lee, Suwon-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., Ltd., Yongin-si (KR)
Filed on Oct. 5, 2021, as Appl. No. 17/494,774.
Claims priority of application No. 10-2020-0167804 (KR), filed on Dec. 3, 2020.
Prior Publication US 2022/0181405 A1, Jun. 9, 2022
Int. Cl. H10K 59/50 (2023.01); G02F 1/01 (2006.01); H10K 50/84 (2023.01); H10K 50/844 (2023.01); H10K 77/10 (2023.01); G02F 1/1333 (2006.01); H10K 50/115 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 59/121 (2023.01); H10K 59/122 (2023.01); H10K 59/131 (2023.01); H10K 59/38 (2023.01); H10K 59/40 (2023.01); H10K 59/80 (2023.01); H10K 102/00 (2023.01)
CPC H10K 59/50 (2023.02) [G02F 1/0126 (2013.01); H10K 50/844 (2023.02); H10K 77/111 (2023.02); G02F 1/0105 (2013.01); G02F 1/133331 (2021.01); G09G 2330/00 (2013.01); G09G 2340/00 (2013.01); H10K 50/115 (2023.02); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/17 (2023.02); H10K 50/171 (2023.02); H10K 59/1216 (2023.02); H10K 59/122 (2023.02); H10K 59/131 (2023.02); H10K 59/38 (2023.02); H10K 59/40 (2023.02); H10K 59/873 (2023.02); H10K 2102/311 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a base layer, the base layer including a first pixel area having a first length, a second pixel area having a second length, and a third pixel area having a third length, the second length being longer than the first length and the third length;
a light emitting element layer on the base layer; and
an encapsulation layer on the light emitting element layer, wherein
the encapsulation layer includes an organic film containing a photochromic material that is configured to change color upon a stress event and a base resin, and
the base resin contains at least one among polymethyl methacrylate, polymethyl acrylate, polyacrylate, polyurethane, polydimethylsiloxane, polyacrylonitrile, polycaprolactone, polyamide, polysulfone, polyaniline, polystyrene, polybutyl acrylate, epoxy and silicone.