A fully integrated RF-powered contact lens with a single element display
Abstract
We present progress toward a wirelessly-powered active contact lens comprised of a transparent polymer substrate, loop antenna, power harvesting IC, and micro-LED. The fully integrated radio power harvesting and power management system was fabricated in a 0.13 μm CMOS process with a total die area of 0.2 mm(2). It utilizes a small on-chip capacitor for energy storage to light up a micro-LED pixel. We have demonstrated wireless power transfer at 10 cm distance using the custom IC and on-lens antenna.
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Brittle and rigid materials of the integrated electronic system, such as surface-mounted IC chips and rigid interconnects, could damage the cornea or the eyelid.
“(iii) the brittle and rigid materials of the integrated electronic system, such as surface-mounted IC chips and rigid interconnects, which could damage the cornea or the eyelid (20–22);”
From Soft, smart contact lenses with integrations of wireless circuits, glucose sensors, and displays (2018) · cites this paper as [22]
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- Authors
- Pandey, J., Liao, Y.-T., Lingley, A., Mirjalili, R., Parviz, B., & Otis, B. P.
- Affiliations
- University of Washington (US)
- Venue
- IEEE Transactions on Biomedical Circuits and Systems
- Published
- 2010-12
- Volume
- 4
- Issue
- 6
- Pages
- 454-461
- ISSN
- 1932-4545 (ISSN-L)
- 1940-9990
- OpenAlex
- W2126353950
- Cited by
- 96
- References
- 19
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 5 · 2023: 2 · 2022: 7 · 2021: 12 · 2020: 5 · 2019: 10 · 2018: 5 · 2017: 6 · 2016: 6 · 2015: 7 · 2014: 9 · 2013: 8 · 2012: 5
- FWCI
- 4.54
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Biomedical Circuits and Systems (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Radio Frequency Integrated Circuit Design
- Keywords
- wireless power transfer, RF energy harvesting, micro-LED displays, loop antenna, power management IC, on-chip capacitors, energy storage, CMOS integrated circuit
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