Color-filterless LCD

Details Color-filterless LCD Color-filterless LCD

2006-06-30

2009-08-25

Kim, Ellen (Department: 2874)

Liquid crystal cells, elements and systems

Liquid crystal system

Projector including liquid crystal cell

C349S057000, C349S065000, C349S095000, C349S112000

Reexamination Certificate

active

07580083

ABSTRACT:
A color-filterless liquid crystal display (LCD) device that can be employed not only in small size LCD units but also in large size LCD units is provided. The color-filterless LCD device includes a backlight unit which emits light; a light path converter which refracts light emitted from the backlight unit at an oblique angle; a color separation sheet facing the light path converter which separates the obliquely incident light into red, green, and blue light and emits the light at different exit angles; a liquid crystal panel including a liquid layer divided into a plurality of pixels; and an optical device sheet disposed on a lower surface of the liquid crystal panel and having a plurality of optical devices which focus the red, green, and blue light separated by the color separation sheet onto different pixels.

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