Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2006-05-10
2009-12-22
Caley, Michael H (Department: 2881)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S064000, C349S065000, C349S066000, C362S610000, C362S613000
Reexamination Certificate
active
07636138
ABSTRACT:
A backlight unit and an LCD employing the backlight unit are provided. The backlight unit includes: a base substrate; a plurality of point light sources arranged in two or more lines on the base substrate; a diffusion plate disposed over the plurality of point light sources to diffuse and transmit incident light; and at least one barrier rib forming two or more division areas by being disposed between the base substrate and the diffusion plate to be upright with respect to the base substrate between the lines and having a wall surface reflecting light incident from the plurality of point light sources, at least a portion of an end portion of the barrier rib being inserted into the diffusion plate.
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Cho Tae-hee
Jung Il-yong
Kim Su-gun
Oh Jin-kyoung
Seong Ki-bum
Arendt Paisley L
Caley Michael H
Samsung Electronics Co,. Ltd.
Sughrue & Mion, PLLC
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