Integrated electronic device with flexible and stretchable substrate
US12096553B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Sep 17, 2019 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Dec 11, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K2201/1003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A flexible and stretchable integrated electronic device includes a substrate having a stiffness gradient, wherein a rigid electronic device is embedded within the substrate. The stiffness gradient within the substrate prevents delamination at the interface between the substrate and the embedded device. The stiffness gradient is accomplished by providing at least two distinct zones in the substrate with uniform stiffness, with each zone decreasing in stiffness as in a distance from the embedded device increases, or the gradient is accomplished by having a zone with a varying stiffness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.