Polarizing plate, liquid crystal panel using the same, and stereolithography device

The present invention provides a polarizing plate used in liquid crystal shutter of stereolithography device. The polarizing plate contains an absorption type polarizer in which a dichroic dye is oriented, and the absorption type polarizer has a maximum absorption wavelength in a wavelength range of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKEICHI, YOSHITAKA, NARITA, KOMEI, TANAKA, KOUICHI, HASHIZUME, MASAHARU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING 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:	The present invention provides a polarizing plate used in liquid crystal shutter of stereolithography device. The polarizing plate contains an absorption type polarizer in which a dichroic dye is oriented, and the absorption type polarizer has a maximum absorption wavelength in a wavelength range of 370 to 470 nm. The polarizing plate has a weighted parallel transmittance Xp380-440 of 20% or more and a weighted orthogonal transmittance Xc380-440 of 0.0001 to 0.1%.