LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
PROBLEM TO BE SOLVED: To provide a liquid crystal panel which is excellent in a balance between contrast and viewing angle characteristics. SOLUTION: The liquid crystal panel has; a first polarizer; a first optical compensation layer including a resin of which the absolute value of the photoelastic...
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| creator | SHUDO SHUNSUKE TAKAHASHI NAOKI |
| description | PROBLEM TO BE SOLVED: To provide a liquid crystal panel which is excellent in a balance between contrast and viewing angle characteristics. SOLUTION: The liquid crystal panel has; a first polarizer; a first optical compensation layer including a resin of which the absolute value of the photoelastic coefficient is 2×10-11m2/N or less and satisfying an inequality nx>ny=nz; a second optical compensation layer satisfying an inequality nx=ny>nz; a liquid crystal cell; a third optical compensation layer including a resin of which the absolute value of the photoelastic coefficient is 2×10-11m2/N or less and satisfying an inequality nx>ny=nz; and a second polarizer in this order toward the viewer's side, wherein a sum total ΣRth1 to nof retardation values in the thickness direction of all the optical compensation layers and a retardation value Rthc in the thickness direction of the liquid crystal cell satisfy an inequality -50 nm |
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SOLUTION: The liquid crystal panel has; a first polarizer; a first optical compensation layer including a resin of which the absolute value of the photoelastic coefficient is 2×10-11m2/N or less and satisfying an inequality nx>ny=nz; a second optical compensation layer satisfying an inequality nx=ny>nz; a liquid crystal cell; a third optical compensation layer including a resin of which the absolute value of the photoelastic coefficient is 2×10-11m2/N or less and satisfying an inequality nx>ny=nz; and a second polarizer in this order toward the viewer's side, wherein a sum total ΣRth1 to nof retardation values in the thickness direction of all the optical compensation layers and a retardation value Rthc in the thickness direction of the liquid crystal cell satisfy an inequality -50 nm<(ΣRth1 to n-Rthc)<150 nm. 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SOLUTION: The liquid crystal panel has; a first polarizer; a first optical compensation layer including a resin of which the absolute value of the photoelastic coefficient is 2×10-11m2/N or less and satisfying an inequality nx>ny=nz; a second optical compensation layer satisfying an inequality nx=ny>nz; a liquid crystal cell; a third optical compensation layer including a resin of which the absolute value of the photoelastic coefficient is 2×10-11m2/N or less and satisfying an inequality nx>ny=nz; and a second polarizer in this order toward the viewer's side, wherein a sum total ΣRth1 to nof retardation values in the thickness direction of all the optical compensation layers and a retardation value Rthc in the thickness direction of the liquid crystal cell satisfy an inequality -50 nm<(ΣRth1 to n-Rthc)<150 nm. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | 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 NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME |
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