TUNABLE LIQUID CRYSTAL LENS WITH SINGLE SIDED CONTACTS
First Claim
Patent Images
1. A liquid crystal lens structure comprising:
- a liquid crystal layer;
a plurality of conductive elements;
a housing; and
a plurality of contacts on an exterior of the housing, each of the contacts being in electrical communication with at least one of the conductive elements, the contacts being adjacent to one another in a first predetermined region of the housing.
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Abstract
A tunable liquid crystal lens device is provided that uses a number of conductive elements and external contacts all located along a common side of a device housing. The device may include planar electrodes, a patterned electrode, a heating element and a sensor, which may be in different layers of the device. The device is produced as part of an array of such devices and, in addition to the devices in the array, a plurality of electrical conductive strips are used to provide high conductivity connection to conductive layers in each of the devices, thereby allowing simultaneous testing of the devices in the array.
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Citations
29 Claims
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1. A liquid crystal lens structure comprising:
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a liquid crystal layer; a plurality of conductive elements; a housing; and a plurality of contacts on an exterior of the housing, each of the contacts being in electrical communication with at least one of the conductive elements, the contacts being adjacent to one another in a first predetermined region of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A multilayer liquid crystal lens array having a plurality of liquid crystal lenses that may be singulated into individual lens devices, the array comprising:
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a liquid crystal layer that, when the individual lens devices are singulated, is divided into a plurality of liquid crystal layers each of which corresponds to a different one of the lens devices; a plurality of conductive layers that, when the individual lens devices are singulated, are divided into a plurality of device-specific conductive layer sets, each set of device-specific conductive layers being part of a different one of the lens devices; and high conductivity electrical paths that, for each conductive layer, make direct electrical contact with each portion of that conductive layer that corresponds to a different one of the lenses, such that a common electric signal may be applied to each of said portions of a conductive layer via a single connection to a corresponding high conductivity electrical path.
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16. A method of manufacturing a liquid crystal lens device, the method comprising:
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providing a liquid crystal layer; locating a plurality of conductive elements in proximity to the liquid crystal layer; surrounding the liquid crystal layer and the plurality of conductive elements with a housing; and locating a plurality of electrical contacts on an exterior of the housing, each of the contacts being in electrical communication with at least one of the conductive elements, the contacts being adjacent to one another in a first predetermined region of the housing. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification