OPTICAL LAMINATE, METHOD FOR PRODUCING OPTICAL LAMINATE, OPTICAL MEMBER, OPTICAL APPRATUS, METHOD FOR PRODUCING OPTICAL MEMBER, AND METHOD FOR PRODUCING OPTICAL APPARATUS
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United States of America Patent
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Issued Date -
Jun 20, 2024
app pub date -
Dec 28, 2021
filing date -
Dec 28, 2021
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Abstract
The present invention provides an optical laminate including a void-containing layer in which a pressure-sensitive adhesive, an adhesive, and the like barely permeate a void. In order to achieve the object, an optical laminate (10a) or (10b) of the present invention includes a void-containing layer (12) and a low moisture permeable layer (13) formed on the void-containing layer (12), wherein the low moisture permeable layer (13) includes at least one element selected from the group consisting of metal, metal oxide, silicon, silicon oxide and an organic-inorganic hybrid material, and a moisture vapor transmission rate of the low moisture permeable layer (13) measured by a dish method defined in JIS Z 0208-1976 is 35 g/m2·day or less.
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