Phase-shift plate integrated polarizing plate and mfg method and liguid crystal display thereof
An integrated, polarizing plate technology, applied in chemical instruments and methods, optics, optical components, etc., can solve the problems of high cost, thicker LCD thickness, etc.
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Embodiment 1
[0112] (a) Fabrication of a polarizing plate with a stretched film bonded on one side
[0113] Prepare a denatured cellulose film stretched by a stenter transverse uniaxial stretching method, and make R 0B =52nm, R' B = 135 nm and 80 μm thick. On the other hand, prepare a polarizer with a thickness of 20 μm in which iodine is adsorbed and oriented on a uniaxially stretched polyvinyl alcohol film, and on one side, the stretched film of the above-mentioned denatured cellulose is aligned with the transmission of the polarizer with its slow axis. Axis-parallel forms are pasted with a polyvinyl alcohol-based adhesive, and on the other side, an 80-μm-thick cellulose triacetate film that has been subjected to one-sided alkalization treatment is pasted with a polyvinyl alcohol-based adhesive to form polarized light. plate. In addition, an adhesive layer was provided on the outside of the denatured cellulose film.
[0114] (b) Fabrication of a phase-shift plate-integrated polarizin...
Embodiment 2
[0117] In the same manner as in (a) of Example 1, a polarizing plate was prepared in which a stretched film of denatured cellulose was pasted on one side, a cellulose triacetate film was pasted on the other side, and an adhesive layer was provided on the outside of the stretched film. In addition, the paint work liquid having the same composition as that used in Example 1 was applied to the release-treated surface of a polyethylene terephthalate film that was subjected to release treatment on one side so that the film thickness after drying Continuous coating and drying with a blade coater in the form of 7.0 μm form R 0C =0.4nm, R' C = 77.2 nm coating. In addition, the phase-shift plate-integrated polarizing plate was produced by continuously affixing the open surface of the coating layer (surface in contact with the air) with the surface on which the adhesive agent was provided on the previously produced polarizing plate. In this example, too, axial alignment of the stretch...
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