US 11,991,848 B2
Protective film and method for fabricating display device
Dong Su Yee, Cheonan-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Yongin-si (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Sep. 14, 2022, as Appl. No. 17/944,279.
Claims priority of application No. 10-2021-0180239 (KR), filed on Dec. 16, 2021.
Prior Publication US 2023/0199989 A1, Jun. 22, 2023
Int. Cl. H05K 5/03 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 37/12 (2006.01); B32B 37/18 (2006.01); B32B 37/26 (2006.01); B32B 38/10 (2006.01)
CPC H05K 5/03 (2013.01) [B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 37/12 (2013.01); B32B 37/182 (2013.01); B32B 37/26 (2013.01); B32B 38/10 (2013.01); B32B 2037/268 (2013.01); B32B 2307/732 (2013.01); B32B 2307/748 (2013.01); B32B 2457/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A protective film comprising:
a panel protective film;
a first protective film disposed on a surface of the panel protective film and covering the surface of the panel protective film, the first protective film having a surface and an opposite surface facing the panel protective film; and
a second protective film disposed on an opposite surface of the panel protective film and covering the opposite surface of the panel protective film, the second protective film having a surface facing the panel protective film and an opposite surface opposed to the surface of the second protective film, wherein
the first protective film comprises:
a first film layer;
a first adhesive layer disposed on the opposite surface of the first film layer; and
a blocking layer disposed on an opposite surface of the first adhesive layer along an edge of the first adhesive layer,
the second protective film comprises:
a second film layer; and
a second adhesive layer disposed on the surface of the second film layer,
the blocking layer is spaced apart from the panel protective film and is coplanar with the panel protective film, and
the blocking layer comprises:
a first region overlapping the second adhesive layer in a plan view; and
a second region located outside the first region and not overlapping the second adhesive layer in the plan view.