ANTI-ABRASION MULTILAYER LENS FILM

PROBLEM TO BE SOLVED: To provide an anti-abrasion multilayer lens film which is hardly damaged during assembling work and after assembling and has satisfactory optical performance. SOLUTION: The anti-abrasion multilayer lens film is prepared by integrating a back surface layer 3 made of a specified...

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Bibliographic Details
Main Authors TSUYAMA TOMO, YAMAZAKI YORINOBU, OKUNAKA NORIAKI, MORITA YOSHIKUNI
Format Patent
LanguageEnglish
Published 18.12.2008
Subjects
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
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:PROBLEM TO BE SOLVED: To provide an anti-abrasion multilayer lens film which is hardly damaged during assembling work and after assembling and has satisfactory optical performance. SOLUTION: The anti-abrasion multilayer lens film is prepared by integrating a back surface layer 3 made of a specified acrylic resin on one surface of a lens layer 2 which is made of polycarbonate and has a lens surface 2a on the other surface thereof according to melt coextrusion. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070149119