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US 2009/0153782 A1Published application
Liquid crystal display device
AssigneeFUJIFILM Corporation
InventorsNobutaka Fukagawa, Hiromoto Haruta, Yutaka Nozoe
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Abstract
A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein a protective film satisfying the specific conditions of retardation is sandwitched each between the liquid crystal cell and the polarizing plates. The liquid crystal display device can be easily produced at low costs and has a low viewing angle dependency of color.
Claims10
A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein
- the polarizing plates each comprise a polarizer and two protective films disposed on the both sides thereof,
- in one of the polarizing plates, the protective film facing the liquid crystal cell has properties of the following inequalities (1) to (5), and
- in the other polarizing plate, the protective film facing the liquid crystal cell has properties of the following inequalities (6) to (10):
- 20 nm<Re(548)<150 nm Inequality (1)
- 20 nm<Rth(548)<150 nm Inequality (2)
- 0<Rth(548)/Re(548)<2.0 Inequality (3)
- 0.5<Re(446)/Re(548)<1 Inequality (4)
- 1.0<Re(628)/Re(548)<2.0 Inequality (5)
- 0 nm<Re(548)<10 nm Inequality (6)
- 100 nm<Rth(548)<300 nm Inequality (7)
- 10<Rth(548)/Re(548) Inequality (8)
- 1.0<Rth(446)/Rth(548)<2.0 Inequality (9)
- 0.5<Rth(628)/Rth(548)<1.0 Inequality (10)
10 more elements
Dependencies are inferred from the claim text.