Liquid crystal panel module with polarization transformation for

Details Liquid crystal panel module with polarization transformation for Liquid crystal panel module with polarization transformation for

1998-10-20

2000-11-14

Dudek, James A.

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

349 61, 349 62, 349 96, 385146, 362 32, G02F 1335, G02B 610

Patent

active

061477257

ABSTRACT:
A liquid crystal panel module includes a backlight unit consisting of a light guide plate having a reflecting sheet at a lower face, a lamp for projecting light to one side of the light guide plate, a reflector for condensing the light from the lamp onto the light guide plate, and a liquid crystal panel having a polarizing plate at a lower face and disposed on the backlight unit. Equilateral prisms are located between the light guide plate and reflecting sheet of the backlight unit in a direction parallel to a polarization axis of the polarizing plate of the liquid crystal panel unit. Each of the prisms has a prism angle so that the angle of incidence of the light guided from the lamp into the light guide plate is the Brewster angle of the prisms.

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