Patent10.1364/OE.15.005931
Variable focus liquid lens
Shin-Tson Wu,Hongwen Ren +1 more
TL;DR: In this article, a liquid-filled variable focus lens cell is disclosed, which consists of four parts: a clear distensible membrane, a transparent wall member, liquid with a fixed volume stored in lens cell chamber, and an annular periphery sealing ring.
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Abstract: A liquid-filled variable focus lens cell is disclosed. The liquid lens cell consists of four parts: a clear distensible membrane, a transparent wall member, liquid with a fixed volume stored in lens cell chamber, and an annular periphery sealing ring. The inner surfaces of the annular sealing ring are sealed with distensible membrane. The radius of the annular sealing ring is changeable, similar to a conventional iris diaphragm. By tuning the radius of the annular sealing ring, the stored liquid in the lens cell will be redistributed, thus change the curvature of the distensible membrane. Therefore, the liquid lens cell can cause light to converge or diverge. The liquid filled lens can be operated mechanically or automatically.
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Citations
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TL;DR: In this article, a fluidic optical device, systems utilizing fluidic optics, methods for manufacturing fluidic optic devices and actuators are described and a fluid control system is described.
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Fluidic lens with reduced optical aberration
TL;DR: In this paper, an abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure, with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
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References
Variable-focus liquid lens for miniature cameras
Stein Kuiper,Bhw Hendriks +1 more
TL;DR: In this paper, it was demonstrated that two immiscible liquids in a tube form a self-centered lens with a high optical quality, and the motion of the lens during a focusing action was studied by observation through the transparent tube wall.
Tunable liquid microlens
TL;DR: In this article, a tunable liquid microlens includes an insulating layer, a droplet of a transparent conducting liquid disposed on a first surface of the insulating layers and a plurality of electrodes insulated from the droplet by the layer.
466
Tunable liquid-filled microlens array integrated with microfluidic network.
TL;DR: An elastomer-based tunable liquid-filled microlens array integrated on top of a microfluidic network is fabricated using soft lithographic techniques and can be used potentially in dynamic imaging systems and adaptive optics.
427
Electrowetting of water and aqueous solutions on poly(ethylene terephthalate) insulating films
M. Vallet,B. Berge,L. Vovelle +2 more
TL;DR: In this article, the authors show that the electrowetting effect can decrease contact angles by more than 30° under applied voltages of 200 V eff, but for high voltage, the electrowsetting saturates, with other poly(ethylene terephthalate) films.
309
Patent
Lens with variable focus
Bruno Berge,Jerome Peseux +1 more
- 07 Oct 1998
TL;DR: In this paper, a variable focus lens with variable focus is presented, where a drop of a second liquid is provided on a first surface zone of the chamber wall, and means for positioning said drop in inoperative position on said zone, comprising electrical means for applying a voltage stress between the conductive liquid and an electrode arranged on the wall second surface, and centering means for maintaining the centering and controlling the shape of the drop edge while a voltage is being applied by electrowetting.
291
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