Liquid crystal cells – elements and systems – Liquid crystal system – Projector including liquid crystal cell
Reexamination Certificate
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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Kim Ellen
Samsung Electronics Co,. Ltd.
Sughrue & Mion, PLLC
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