Pre-edging lens and method for manufacturing edged lens
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United States of America Patent
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Mar 31, 2015
Grant Date -
May 2, 2013
app pub date -
Apr 18, 2011
filing date -
Apr 19, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An object of the present invention is to provide a pre-edging lens and a method for manufacturing an edged lens, wherein provisions are made to be able to maintain the cell gap of a liquid crystal lens structure constant while, in effect, eliminating the need to incorporate any spacers in the edged lens. More specifically, the invention provides a pre-edging lens and a method for manufacturing an edged lens, wherein the pre-edging lens includes a first transparent substrate, a second transparent substrate, a first sealing material which does not contain any spacer, a liquid crystal layer provided between the first transparent substrate and the second transparent substrate and sealed by the first seal, and a second seal which contains a spacer and which is disposed in a region provided between the first transparent substrate and the second transparent substrate and located outwardly of the first seal, the region being removed during edging.
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