Optical laminate

TW202634301APending Publication Date: 2026-08-16SUMITOMO CHEM CO LTD
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Patent Information

Application Number
TW114139801
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-10-18
Filing Date
2025-10-15
Publication Date
2026-08-16

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Abstract

The present invention aims to provide an optical laminate that suppresses the loss of dichroic dye from a linear polarizer in high-temperature, high-humidity environments and improves visibility (reduction of interference unevenness and air bubbles), even while having a protective layer on only one side of the linear polarizer. Provided as a solution in the present invention is an optical laminate including, in this order, a first protective layer, a linear polarizer, a first adhesive layer, and a retardation layer laminate. The first adhesive layer is a cured layer of a curable composition containing a cationically polymerizable compound. The retardation layer laminate includes, in this order from the side of the first adhesive layer, a first liquid crystal retardation layer, a second adhesive layer having a thickness of
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