DIFFUSELY REFLECTING POLARIZING ELEMENT INCLUDING A FIRST BIREFRINGENT PHASE AND A SECOND PHASE

AN OPTICAL FILM IS PROVIDED WHICH COMPRISES A DISPERSE PHASE OF POLYMERIC PARTICLES DISPOSED WITHIN A CONTINOUS BIREFRINGENT MATRIX. THE FILM IS ORIENTED, TYPICALLY BY STRETCHING, IN ONE OR MORE DIRECTIONS. THE SIZE AND SHAPE OF THE DISPERSE PHASE PARTICLES, THE VOLUME FRACTION OF THE DISPERSE PHASE...

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Bibliographische Detailangaben
Hauptverfasser:	ANDREW JOHN OUDERKIRK, MICHAEL FRANCIS WEBER, CARL ARTHUR STOVER, ARTHUR LEWIS KOTZ, BISWAROOP MAJUMDAR, LOCKWOOD WILLIAM CARLSON, RICHARD CHARLES ALLEN, TIMOTHY JOSEPH NEVITT
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 GENERAL PROCESSES OF COMPOUNDING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LIGHTING MECHANICAL ENGINEERING METALLURGY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	AN OPTICAL FILM IS PROVIDED WHICH COMPRISES A DISPERSE PHASE OF POLYMERIC PARTICLES DISPOSED WITHIN A CONTINOUS BIREFRINGENT MATRIX. THE FILM IS ORIENTED, TYPICALLY BY STRETCHING, IN ONE OR MORE DIRECTIONS. THE SIZE AND SHAPE OF THE DISPERSE PHASE PARTICLES, THE VOLUME FRACTION OF THE DISPERSE PHASE, THE FILM THICKNESS, AND THE AMOUNT OF ORIENTATION ARE CHOSEN TO ATTAIN A DESIRED DEGREE OF DIFFUSE REFLECTION AND TOTAL TRANSMISSION OF ELECTROMAGNETIC RADIATION OF A DESIRED WAVELENGTH IN THE RESULTING FILM.