Polarizing plate and polarizing plate assembly
AssigneeSumitomo Chemical Company, Limited
InventorsNobuyuki HATANAKA, Yosuke OTA
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Abstract
An object of the present invention is to solve the problems which can be peculiarly generated in a coating-type optical film, and provide an optical film which hardly causes deterioration in optical performance with time, a display device equipped with the optical film, and a process for producing the optical film, and there is provided a polarizing plate having a diffusion preventing layer A having the thickness of 0.05 μm to 3 μm, a polarizing film comprising a polymer of a polymerizable liquid crystal and a dichroic coloring matter, and a diffusion preventing layer B having the thickness of 0.05 μm to 3 μm, in this order.
Claims24
1-23. (canceled)
A polarizing plate comprising:
- a diffusion preventing layer A having the thickness of 20 μm or less,
- a polarizing film comprising a polymer of a polymerizable liquid crystal and an azo coloring matter, and
- a diffusion preventing layer B having a thickness of 20 μm or less, in this order.
Dependencies are inferred from the claim text.