US 12,484,145 B2
Stretchable electronic device
Yosuke Hyodo, Tokyo (JP); Takumi Sano, Tokyo (JP); Hiroumi Kinjo, Tokyo (JP); and Masatomo Hishinuma, Tokyo (JP)
Assigned to JAPAN DISPLAY INC., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Oct. 3, 2023, as Appl. No. 18/479,833.
Claims priority of application No. 2022-160367 (JP), filed on Oct. 4, 2022.
Prior Publication US 2024/0114616 A1, Apr. 4, 2024
Int. Cl. H05K 1/02 (2006.01)
CPC H05K 1/0283 (2013.01) [H05K 2201/10151 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A stretchable device comprising:
a resin base member; and
a strain gauge, a signal line, and an output line stacked on the resin base member, wherein
the resin base member includes:
a plurality of bodies disposed separately from each other; and
a plurality of hinges that couple the bodies adjacently disposed while meandering in an intersecting direction intersecting an imaginary line that couples the bodies adjacently disposed,
the hinges include a first hinge and a second hinge that couple the bodies adjacently disposed,
a meander length of the second hinge in the intersecting direction is longer than a meander length of the first hinge in the intersecting direction,
the strain gauge is provided to the first hinge, and
the signal line and the output line are provided to the second hinge.