US 11,930,591 B2
Flexible substrate
Takumi Sano, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Dec. 1, 2021, as Appl. No. 17/457,059.
Application 17/457,059 is a continuation of application No. PCT/JP2020/011784, filed on Mar. 17, 2020.
Claims priority of application No. 2019-106150 (JP), filed on Jun. 6, 2019.
Prior Publication US 2022/0087010 A1, Mar. 17, 2022
Int. Cl. H05K 1/02 (2006.01)
CPC H05K 1/028 (2013.01) 9 Claims
OG exemplary drawing
 
1. A flexible substrate comprising:
a support plate comprising a first surface;
a line portion located on the first surface and comprising a first side surface and a second side surface on an opposite side to the first side surface; and
a protective member which covers the line portion, in contact with the first surface, wherein
the line portion comprises a flexible insulating base located on the first surface and a wiring layer disposed on the insulating base,
the protective member is separated from at least a part of the first side surface via an air layer and from at least a part of the second side surface via an air layer, and
the air layers extending along the line portion.