US 11,770,893 B2
Display device
Seung Min Song, Gwangju (KR); Ki Nyeng Kang, Sejong-si (KR); Seon Beom Ji, Seoul (KR); and Tae Hoon Yang, Yongin-si (KR)
Assigned to SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do (KR)
Filed by Samsung Display Co., LTD., Yongin-si (KR)
Filed on Jun. 30, 2020, as Appl. No. 16/917,416.
Claims priority of application No. 10-2019-0140288 (KR), filed on Nov. 5, 2019.
Prior Publication US 2021/0136911 A1, May 6, 2021
Int. Cl. H05K 1/02 (2006.01); H05K 5/00 (2006.01); H10K 50/844 (2023.01); H10K 77/10 (2023.01)
CPC H05K 1/0277 (2013.01) [H05K 5/0017 (2013.01); H10K 50/844 (2023.02); H10K 77/111 (2023.02); H05K 2201/055 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display device comprising:
a display panel including a first flat area, a second flat area, and a bending area between the first flat area and the second flat area; and
a first passivation film and a second passivation film, which are disposed on a first surface of the display panel to be spaced apart from each other,
wherein the first passivation film overlaps the first flat area and the second passivation film overlaps the second flat area,
the first passivation film has a first end portion overlapping the bending area, and the second passivation film has a second end portion overlapping the bending area and spaced apart from the first end portion,
the first end portion and the second end portion are asymmetric with each other with respective to an imaginary line vertically crossing a center of a space therebetween in a cross-sectional view,
the second passivation film includes a first flat portion overlapping the second flat area and a first stepped portion overlapping the bending area, and
a thickness of the first stepped portion is less than a thickness of the first flat portion.