Liquid crystal panel and liquid crystal display device
A liquid crystal display device and liquid crystal panel technology, applied in optics, instruments, nonlinear optics, etc., can solve the problems of reducing chromatic aberration, suppressing uneven display, insufficient display, etc., achieving the goal of reducing chromatic aberration, superior picture contrast, and improving picture contrast Effect
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[0193] [Example 1]
[0194] (Formation of the first optical compensation layer)
[0195] A 110μm thick cellulose grease film [manufactured by Kaneka, trade name: KA, DSac (degree of acetyl substitution) = 0.04, DSpr (degree of substitution of propionyl) = 2.76], free-end stretched at 145°C to 1.5 The first optical compensation layer with a thickness of 108 μm was obtained. The photoelastic modulus of the obtained first optical compensation layer is 25×10 -12 (m 2 / N). The in-plane retardation of the obtained first optical compensation layer is Δnd(380)=102nm, Δnd(550)=140nm, Δnd(780)=163nm, and the thickness direction retardation is Rth(380)=105nm, Rth(550) =145nm, Rth(780)=169nm. The refractive index distribution at 550nm is
[0196] (Production of polarizing plate with first optical compensation layer)
[0197] After dyeing the polyvinyl alcohol film in an iodine-containing aqueous solution, the polyvinyl alcohol film is uniaxially stretched to 6 times in the boric acid-contain...
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