US 12,436,430 B2
Display device
Motoharu Miyamoto, Tokyo (JP); and Tomokazu Ishikawa, Tokyo (JP)
Assigned to Magnolia White Corporation, Tokyo (JP)
Filed by Magnolia White Corporation, Tokyo (JP)
Filed on Jul. 10, 2024, as Appl. No. 18/768,537.
Application 18/768,537 is a continuation of application No. 18/228,305, filed on Jul. 31, 2023, granted, now 12,066,719.
Application 18/228,305 is a continuation of application No. 17/866,786, filed on Jul. 18, 2022, granted, now 11,762,243, issued on Sep. 19, 2023.
Application 17/866,786 is a continuation of application No. 17/142,839, filed on Jan. 6, 2021, granted, now 11,391,995, issued on Jul. 19, 2022.
Application 17/142,839 is a continuation of application No. PCT/JP2019/025729, filed on Jun. 27, 2019.
Claims priority of application No. 2018-130222 (JP), filed on Jul. 9, 2018.
Prior Publication US 2024/0361640 A1, Oct. 31, 2024
Int. Cl. G02F 1/1339 (2006.01); G02F 1/1362 (2006.01); G09G 3/36 (2006.01)
CPC G02F 1/1339 (2013.01) [G02F 1/136227 (2013.01); G02F 1/136286 (2013.01); G09G 3/3674 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A display device comprising:
an insulating substrate;
a first organic insulating film having a first contact hole;
a second organic insulating film, on the first organic insulating film, having a second contact hole; and
a first metal layer provided between the first organic insulating film and the second organic insulating film,
wherein, in a sectional view:
the first contact hole includes a first side surface, a second side surface opposed to the first side surface, and a bottom surface;
the second contact hole includes a first side surface, a second side surface opposed to the first side surface of the second contact hole, and a bottom surface;
the second organic insulating film covers the first side surface of the first contact hole;
the first side surface of the second contact hole is located between the first side surface of the first contact hole and the second side surface of the first contact hole; and
the second side surface of the first contact hole is located between the first side surface of the second contact hole and the second side surface of the second contact hole, and
wherein, in a plan view, a part of the first side surface of the first contact hole overlaps a part of the first side surface of the second contact hole.