Illumination – Edge lighted panel – Light source
Reexamination Certificate
2006-08-14
2009-02-03
O'Shea, Sandra (Department: 2875)
Illumination
Edge lighted panel
Light source
C362S613000, C362S621000, C362S623000
Reexamination Certificate
active
07484875
ABSTRACT:
A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light.
REFERENCES:
patent: 6139163 (2000-10-01), Satoh et al.
patent: 7063450 (2006-06-01), Ehara et al.
patent: 7188987 (2007-03-01), Yu
patent: 2002/0163790 (2002-11-01), Yamashita et al.
patent: 2003/0117789 (2003-06-01), Nowak
patent: 2006/0072339 (2006-04-01), Li et al.
Cha Jae-Lok
Chang Se-In
Choi In-Hyuk
Jang Ji-Hwan
Kim Hwan-Jin
Cantor & Colburn LLP
Cranson James W
O'Shea Sandra
Samsung Electronics Co,. Ltd.
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