Liquid crystal display

Liquid crystal cells – elements and systems – Particular structure – Particular illumination

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349 96, 349117, 362 31, 385901, G02F 11335, F21V 914

Patent

active

061044547

ABSTRACT:
A backlight device having a light source, a waveguide provided close to the light source, this waveguide being a wedge-shaped waveguide so constructed that the incident light from the light source can be greatly changed in its direction and made to exit therefrom, a polarizing beam splitter provided on the light-exiting side of the wedge-shaped waveguide, and a light converter disposed on the light-exiting side of the polarizing beam splitter. This backlight device is used for liquid crystal displays.

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Honda et al "A Novel Polymer Film that Controls Light Transmission"--Progress in Pacific Polymer Science--pp. 159-169--1994--No Day and Month Provided.

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