Display device with stack of polarizers having wavelength...

Details Display device with stack of polarizers having wavelength... Display device with stack of polarizers having wavelength...

2011-01-04

2011-01-04

Nguyen, Hoan C (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S104000, C349S105000, C349S117000, C349S119000, C349S194000

Reexamination Certificate

active

07864268

ABSTRACT:
An object of the invention is to provide a display device having a high contrast ratio. Another object of the invention is to manufacture such a high-performance display device at low cost. In a display device having a display element between a pair of light-transmissive substrates, polarizer-including layers, which have different wavelength distributions of extinction coefficients, are stacked so that absorption axes are in a parallel nicol state, over each light-transmissive substrate. Absorption axes of one of a pair of stacks of polarizers and the other together which interpose the display element are deviated from a cross nicol state. A retardation plate may be provided between the stack of polarizing plates and the substrate.

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