Optical film, method for manufacturing optical film, phase difference film, polarized light plate and liquid crystal panel

An optical film and a polarization plate are provided to stabilize a phase-difference film regardless of the variation of a phase difference and a light axis, thereby preventing the deformation and multiformity of entire LCD surface. An optical film includes a circular olefin-group resin. When a lig...

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Bibliographische Detailangaben
1. Verfasser:	SUMI KOICHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	An optical film and a polarization plate are provided to stabilize a phase-difference film regardless of the variation of a phase difference and a light axis, thereby preventing the deformation and multiformity of entire LCD surface. An optical film includes a circular olefin-group resin. When a light axis is measured over an entire width direction of film; a range that the light axis is between +5 and -5 degrees in a film length direction and is greater than 80 percents in the film overall width.