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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 5, Iss. 11 — Nov. 1, 2009
  • pp: 411–413

Fabrication and Demonstration of Electrowetting Liquid Lens Arrays

Neil R. Smith, Linlin Hou, Jinlin Zhang, and Jason Heikenfeld

Journal of Display Technology, Vol. 5, Issue 11, pp. 411-413 (2009)


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Abstract

Reported is the fabrication and demonstration of an array of >12 000 switchable liquid microlenses, each ~300 <i>µ</i>m in diameter and switchable through plano-concave to plano-convex. Electrowetting is used to modulate the contact angle of an aqueous/oil liquid system over a range of 100°, resulting in a switchable dioptric range of -360 m<sup>-1</sup> to 230 m<sup>-1</sup>. Compared to previous reports of single 2–6 mm electrowetting lenses, the fabrication process reported herein reduces the individual lenslet size by ~10x. To dose liquids into large arrays of these small liquid lenslets, a scalable self-assembled dosing process was developed. The completed liquid lens array has a fill factor of 50% which can be extended to >80%.

© 2009 IEEE

Citation
Neil R. Smith, Linlin Hou, Jinlin Zhang, and Jason Heikenfeld, "Fabrication and Demonstration of Electrowetting Liquid Lens Arrays," J. Display Technol. 5, 411-413 (2009)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-5-11-411


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