TRANSPARENT POLYMER FILM, AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE OBTAINED BY USING THE SAME

• Main Authors: NISHIURA YOSUKE, YAMANOUCHI JUNICHI
• Format: Patent
• Language: English
• Published: 21.04.2005
• Edition: 7
• Subjects: 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; METALLURGY; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP

PROBLEM TO BE SOLVED: To provide a transparent polymer film having a low optical anisotropy, and to provide a polarizing plate exhibiting enhanced mechanical strength and a liquid display device exhibiting enhanced display qualities using the film. SOLUTION: The transparent polymer film having the low optical anisotropy contains a polymer additive exhibiting optical anisotropy which is inclined to offset the oriented optical anisotropy of the polymer film. The polarizing plate and the liquid crystal display device are obtained by using the same. COPYRIGHT: (C)2005,JPO&NCIPI