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US 2003/0210377 A1Published application
Hybrid electro-active lens
OwnerRonald D. Blum, William Kokonaski +8inventors
InventorsRonald D. Blum, William Kokonaski, Dwight P. Duston, Youval Katzman, Daniel Katzman, Uzi Efron, Israel Grossinger, Gerald Meredith, Bernard Kippelen, David Mathine
Life of this patent
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Abstract
An electro-active lens that may include first and second electro-active cells, the cells being adjacent to each other and, when in a resting state, oriented orthogonal to each other to reduce birefringence.
Claims20
An electro-active lens comprising:
- a first electro-active cell;
- and
- a second electro-active cell,
- the first and second electro-active cells being adjacent to each other and oriented orthogonal to each other in an unactivated state to reduce birefringence.
1 more element
An electro-active apparatus comprising:
- an electro-active lens including
- a first electro-active cell, and
- a second electro-active cell,
- the first and second electro-active cells being adjacent to each other and oriented orthogonal to each other in an unactivated state to reduce birefringence;
- and
- a set of electrodes electrically connected to the electro-active lens to apply voltage to the electro-active lens.
3 more elements
A method for reducing birefringence in a lens, comprising:
- providing a first electro-active cell of the lens;
- providing a second electro-active cell of the lens;
- and
- orienting the first and second electro-active cells orthogonal to each other in an unactivated state to reduce birefringence.
1 more element
An electro-active apparatus comprising:
- an electro-active lens;
- a set of electrodes electrically connected to the electro-active lens to apply voltage to the electro-active lens;
- and
- a circuit to supply the voltage to the set of electrodes, the circuit using control phase retardation in the supplied voltage to create multi-focus in the electro-active lens.
1 more element
A method for creating a multi-focus ophthalmic lens, comprising:
- providing an electro-active lens;
- applying voltage to the electro-active lens through a set of electrodes connected to the electro-active lens;
- and
- using control phase retardation in the applied voltage to create the multi-focus ophthalmic lens.
1 more element
Dependencies are inferred from the claim text.