LAMINATED PHASE DIFFERENCE FILM, ITS MANUFACTURING METHOD AND OPTICAL FILM USING THE SAME

PROBLEM TO BE SOLVED: To provide a method for manufacturing a laminated phase difference film where an inclined oriented birefringent layer whose inclined orientation direction is controlled is laminated on a negative biaxial birefringent film without arranging an oriented film additionally. SOLUTIO...

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Bibliographische Detailangaben
1. Verfasser:	SHUDO SHUNSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing a laminated phase difference film where an inclined oriented birefringent layer whose inclined orientation direction is controlled is laminated on a negative biaxial birefringent film without arranging an oriented film additionally. SOLUTION: The birefringent oriented film is manufactured by irradiating the surface of the biaxial birefringent film with polarized light and changing only the surface of the film so as to have anisotropy different from the inside. If the liquid crystal layer of a bar-shaped liquid crystalline compound is directly formed on the surface of the birefringent oriented film irradiated with polarized light, the inclined oriented birefringent layer inclined according to the anisotropy of the surface of the birefringent oriented film is laminated, whereby the laminated phase difference film is provided. COPYRIGHT: (C)2006,JPO&NCIPI