Illumination – Light fiber – rod – or pipe – Diffuser or diffusing of incident light
Reexamination Certificate
2011-04-19
2011-04-19
Negron, Ismael (Department: 2885)
Illumination
Light fiber, rod, or pipe
Diffuser or diffusing of incident light
C362S621000, C362S555000, C362S339000
Reexamination Certificate
active
07926996
ABSTRACT:
A light emitting element is mounted on the surface of a board. The light emitting element emits light. The light passes through a translucent optical member. The light enters the translucent optical member through a incident surface. The lines of protrusions make the incident surface jagged. The jagged surface resulting from the protrusions enables diffusion of the light entering through the incident surface. The light spreads along the surface of the board. Simultaneously, the emitted light is partly reflected on the incident surface. The reflected light is reflected on a reflecting surface placed behind the light emitting element. The reflected light then enters the translucent optical member. The translucent optical member is thus allowed to illuminate over a wide range with a sufficient brightness. An impressive illumination can be realized.
REFERENCES:
patent: 7575358 (2009-08-01), Suzuki et al.
patent: 2008/0055881 (2008-03-01), O'Neill et al.
patent: 2009/0040424 (2009-02-01), Chang
patent: 2006-228589 (2006-08-01), None
patent: 2006/087879 (2006-08-01), None
patent: WO 2006087879 (2006-08-01), None
Ishikawa Takehisa
Kajiwara Yoshifumi
Maruyama Kazunori
Matsumoto Yoshiya
Sakashita Hiroaki
Fujitsu Limited
Fujitsu Patent Center
Negron Ismael
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