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US 9,310,532 B2Granted
Variable Fresnel lens
AssigneeElectronics and Telecommunications Research Institute
InventorsSun Tak Park, Ki Uk Kyung, Bong Je Park, Sung Ryul Yun, Sae Kwang Nam
Life of this patent
Estimating the term…
Abstract
Disclosed is a variable Fresnel lens, including: an electric active polymer layer of which a form is deformed by an electric field; and a Fresnel lens coupled to an upper portion of the electric active polymer layer, and configured to change a position of a focus according to deformation of the form of the electric active polymer layer.
Claims20
A variable Fresnel lens, comprising:
- an electric active polymer layer of which a form is deformed by an electric field;
- and
- a Fresnel lens coupled to an upper portion of the electric active polymer layer, and configured to change a position of a focus according to deformation of the form of the electric active polymer layer,
- wherein the electric active polymer layer includes:
- an electric active polymer of which a form is deformed by the electric field;
- and
- transparent electrodes formed on an upper portion and a lower portion of the electric active polymer, and transformed by transformation of the form of the electric active polymer, and
- the Fresnel lens is coupled to the transparent electrode positioned on the upper portion among the transparent electrodes.
5 more elements
A variable Fresnel lens, comprising:
- an electric active polymer of which a form is deformed by an electric field;
- a first transparent electrode formed on an upper portion of the electric active polymer, and transformed by transformation of the form of the electric active polymer;
- a second transparent electrode formed on a lower portion of the electric active polymer;
- and
- a Fresnel lens coupled with an upper portion of the first transparent electrode, and configured to change a position of a focus according to deformation of the form of the electric active polymer.
2 more elements
A variable Fresnel lens, comprising:
- an electric active polymer of which a form is deformed by an electric field;
- a first transparent electrode formed on an upper portion of the electric active polymer, and transformed by transformation of the form of the electric active polymer;
- a second transparent electrode formed on a lower portion of the electric active polymer, and transformed by transformation of the form of the electric active polymer;
- a Fresnel lens coupled with an upper portion of the first transparent electrode, and configured to change a position of a focus according to a change in the form of the electric active polymer;
- and
- a supporter formed on lateral surfaces of the electric active polymer, the first transparent electrode, and the second transparent electrode, and maintaining a fixed form.
3 more elements
Dependencies are inferred from the claim text.