Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2009-08-28
2011-11-08
Healy, Brian (Department: 2883)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S056000, C362S097100, C362S097200, C362S612000
Reexamination Certificate
active
08054403
ABSTRACT:
A backlight unit having improved reliability is disclosed.The backlight unit includes a support main formed of a mold having a rectangular frame shape, a plurality of LEDs arranged at a side of the support main, a light guide plate arranged parallel to the plurality of LEDs and converting a point light to a surface light, an optical sensor unit arranged at the other side of the support main and detecting light emitted from the plurality of LEDs, and a light incident hole formed at the other side of the support main corresponding to the optical sensor unit and guiding light output from the light guide plate to proceed toward the optical sensor unit by changing a path of the light.
REFERENCES:
patent: 7638754 (2009-12-01), Morimoto et al.
patent: 7641360 (2010-01-01), Chou et al.
patent: 7891854 (2011-02-01), Hamada
patent: 2007/0242459 (2007-10-01), Nishigaki
patent: 2008/0245949 (2008-10-01), Morimoto et al.
patent: 2009/0067158 (2009-03-01), Hamada
patent: 2009/0251922 (2009-10-01), Ueyama
patent: 2010/0085506 (2010-04-01), Kim et al.
Kim Hyo Jin
Lee Dal Jae
Shin Jae Won
Healy Brian
LG Display Co. Ltd.
Morgan & Lewis & Bockius, LLP
LandOfFree
Backlight unit and liquid crystal display device having the... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Backlight unit and liquid crystal display device having the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Backlight unit and liquid crystal display device having the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4312763