Microstructured screen and method of manufacturing using coextrusion

The present invention is a method of forming an optical film (20) including the following steps: providing a first film (22) of a first material (32), extruding a second material (34) to form a second film in a molten state; maintaining the second film in a molten state; bringing the first film (22)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROBERT SHAHRAM MOSHREFZADEH, CULLEN, PETER FRANCIS, BRIDGES, S. LANCE, SPURGEON, KATHRYN MARION, THOMAS, PATRICK ALLEN, SOBOTTKA, CHARLIE THOMAS
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention is a method of forming an optical film (20) including the following steps: providing a first film (22) of a first material (32), extruding a second material (34) to form a second film in a molten state; maintaining the second film in a molten state; bringing the first film (22) proximate the molten second film; patterning the molten second film to form a plurality of structures (24), the structures (24) defining a plurality of cavities (26) therebetween; and solidifying the molten second film.