Flexible electronic structure

A flexible electronic structure, comprising:

• a base polymer layer having a first surface and a second surface, wherein the first surface comprises a plurality of electrically non-conductive anchors;
• at least one electronic device layer disposed above a portion of the second surface of the base polymer, the electronic device layer comprising:
• two or more device islands;
• and
• at least one stretchable interconnect electrically coupling the two or more device islands;
• and
• a top polymer layer that is disposed above at least a portion of the at least one electronic device layer,
• wherein at least one anchor of the plurality of electrically non-conductive anchors is disposed beneath at least one of the two or more device islands;
• and
• wherein a thickness of the top polymer layer or a thickness of the base layer is configured such that a strain-sensitive layer of the electronic device layer is at a neutral mechanical plane of the flexible electronic structure.

A flexible electronic structure, comprising:

• a base polymer layer having a first surface and a second surface, wherein the first surface comprises a plurality of electrically non-conductive anchors, and wherein at least one of the plurality of electrically non-conductive anchors contacts a substrate;
• at least one electronic device layer disposed above a portion of the second surface of the base polymer, the electronic device layer comprising:
• two or more device islands;
• and
• at least one stretchable interconnect electrically coupling the two or more device islands;
• and
• a second polymer layer disposed above a portion of the at least one electronic device layer;
• wherein at least one anchor of the plurality of electrically non-conductive anchors is disposed beneath at least one of the two or more device islands;
• and
• wherein the flexible electronic structure is configured such that a strain-sensitive layer of the electronic device layer is at a neutral mechanical plane of the flexible electronic structure.

A flexible electronic structure, comprising:

• a base polymer layer having a first surface and a second surface, wherein the first surface comprises a plurality of electrically non-conductive anchors, and wherein at least one of the plurality of electrically non-conductive anchors contacts a substrate;
• at least one electronic device layer disposed above a portion of the second surface of the base polymer, the electronic device layer comprising:
• two or more device islands;
• and
• at least one stretchable interconnect electrically coupling the two or more device islands;
• and
• a top polymer layer that is disposed above at least a portion of the at least one electronic device layer
• wherein at least one anchor of the plurality of electrically non-conductive anchors is disposed beneath at least one of the two or more device islands;
• and
• wherein a thickness of the top polymer layer or a thickness of the base layer is configured such that a strain-sensitive layer of the electronic device layer is at a neutral mechanical plane of the flexible electronic structure.

A flexible electronic structure, comprising:

• a base polymer layer having a first surface and a second surface, wherein:
• the first surface comprises a plurality of electrically non-conductive anchors;
• the plurality of electrically non-conductive anchors have a diameter of about 50 μm and have a pitch ranging from about 200 μm to about 800 μm;
• and
• at least one electronic device layer disposed above the second surface of the base polymer layer, the electronic device layer comprising:
• two or more device islands;
• and
• at least one stretchable interconnect electrically coupling the two or more device islands;
• and
• a second polymer layer disposed above a portion of the at least one electronic device layer;
• wherein at least one anchor of the plurality of electrically non-conductive anchors is disposed beneath at least one of the two or more device islands;
• and
• wherein the flexible electronic structure is configured such that a strain-sensitive layer of the electronic device layer is at a neutral mechanical plane of the flexible electronic structure.