Illumination – Edge lighted panel – Light guide
Reexamination Certificate
2011-04-19
2011-04-19
Alavi, Ali (Department: 2875)
Illumination
Edge lighted panel
Light guide
C362S612000, C362S621000
Reexamination Certificate
active
07927002
ABSTRACT:
A backlight unit capable of reducing or effectively preventing a hot spot phenomenon includes a plurality of light sources generating lights, a light guide plate including a portion on which the lights generated from the light sources are incident and converting the lights incident on the portion into a surface-shaped lights and a light path converter converting a traveling direction of the lights incident on the portion of the light guide plate in an area where the lights emitted from the light sources diodes overlap each other.
REFERENCES:
patent: 6624937 (2003-09-01), Kashima
patent: 7168841 (2007-01-01), Hsieh et al.
patent: 7217025 (2007-05-01), Kim et al.
patent: 2004/0184257 (2004-09-01), Huang
patent: 2005/0117370 (2005-06-01), Kawashima et al.
patent: 2006/0050200 (2006-03-01), Nagao
patent: 2006/0083028 (2006-04-01), Sun et al.
Chun Hyo Suck
Kwak Yong Seok
Lee Cheol Hun
Shin Dong Lyoul
Alavi Ali
Cantor & Colburn LLP
Samsung Electronics Co,. Ltd.
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