POLARIZABLE MOLDED BODY

POLARIZABLE MOLDED BODY

A polarizable compact is provided with high productivity, which makes a polarizing sheet resistant to the occurrence of color unevenness and voids and also resistant to the occurrence of variations in polarization degree accompanying thermal shrinkage and the like of a protective layer (protective f...

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Hauptverfasser: SOUMA, Norihito, NAKANISHI, Keiichi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONTACT LENSES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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creator SOUMA, Norihito
NAKANISHI, Keiichi
description A polarizable compact is provided with high productivity, which makes a polarizing sheet resistant to the occurrence of color unevenness and voids and also resistant to the occurrence of variations in polarization degree accompanying thermal shrinkage and the like of a protective layer (protective film). A polarizable compact (10) is used for glasses. An injection-molded portion (15) made of a transparent plastic material is thermally bonded to the concave surface side of a polarizing sheet (11) having a predetermined curvature radius. The polarizing sheet (11) has a polarizer layer (13) held between first and second protective layers (17, 19) respectively serving as a convex surface side and a concave surface side. Both the first and second protective layers (17, 19) are formed from transparent films by a casting method with retardation (Re) ‰¤ 50 nm. The transparent films for the first and second protective layers are respectively formed from an acylcellulose-based film and a polyamide-based film. In addition, the second protective layer (19) is directly fused to the injection-molded portion (15).
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subjects CONTACT LENSES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
title POLARIZABLE MOLDED BODY
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