OPTICAL SHEET AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide an optical sheet that can improve luminance and further prevent contamination of a roll during the manufacture of the optical sheet. SOLUTION: The optical sheet 1 has a plurality of convex lenses 1c at least one side 1a of the optical sheet 1. The optical sheet 1 is...

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Bibliographic Details
Main Authors NAKAGAWA HIROAKI, KAWAMURA MASANORI
Format Patent
LanguageEnglish
Published 01.09.2011
Subjects
BLASTING
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
FREQUENCY-CHANGING
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide an optical sheet that can improve luminance and further prevent contamination of a roll during the manufacture of the optical sheet. SOLUTION: The optical sheet 1 has a plurality of convex lenses 1c at least one side 1a of the optical sheet 1. The optical sheet 1 is formed from a resin composition containing a thermoplastic resin and a (meth)acrylic resin. The weight average molecular weight of the (meth)acrylic resin is 1,400,000 to 4,500,000. The content of the acrylic resin in the 100 wt.% of the resin composition is 0.1 to 0.3 wt.%. COPYRIGHT: (C)2011,JPO&INPIT
Bibliography:Application Number: JP20100032094