Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 17, 2010
Patent Application Number
12083376
Date Filed
October 18, 2006
Patent Primary Examiner
Patent abstract
A liquid crystal display is provided and includes: a liquid crystal cell; a pair of polarizing plates disposed in cross-Nicol arrangement and sandwiching the liquid crystal cell. One of the pair of the polarizing plates has a protective film A for polarizer, disposed on the liquid crystal cell side, and the other of the pair has a protective film B for polarizer, disposed on a liquid crystal cell side. ReA(λ) and RthA(λ) of the protective film A, RthB(λ) of the protective film B and Δnd(λ) of the liquid crystal cell satisfy expressions (I) and (II) at a wavelength of 400 nm to 700 nm:0.74×(Δnd(λ)−RthB(λ))≦RthA(λ)≦0.97×(Δnd(λ)−RthB(λ)) (I)0.018×λ2/(Δnd(λ)−RthB(λ))+0.032×λ≦ReA(λ)≦0.036×λ2/(Δnd(λ)−RthB(λ))+0.032×λ (II).
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