Polarizing plate and polarizing plate with phase retardation layer, and method for manufacturing polarizing plate.

TW202639346APending Publication Date: 2026-10-01NITTO DENKO CORP
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Patent Information

Application Number
TW115103837
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-12-25
Filing Date
2026-01-30
Publication Date
2026-10-01

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Abstract

This invention provides a polarizing plate with excellent processability and quality uniformity due to reduced adhesive defects in the adhesive layer, a polarizing plate with a phase retardation layer, and a method for manufacturing the polarizing plate. As a solution, the polarizing plate of the present invention sequentially comprises a surface treatment layer, a polarizing element, and an adhesive layer, and has through holes formed therein; the aforementioned polarizing plate, in the surface direction of the polarizing plate, has at least a portion of an end adhesive recess formed at the end of the adhesive layer; and the maximum length of the end adhesive recess in the surface direction of the polarizing plate is 50 µm or more.
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