Illuminating devices including uniform light distribution,...

Details Illuminating devices including uniform light distribution,... Illuminating devices including uniform light distribution,...

2006-03-23

2009-11-10

Peng, Charlie (Department: 2883)

Optical waveguides

With optical coupler

Input/output coupler

C385S032000, C385S033000, C385S034000, C385S088000, C385S092000, C385S122000, C385S129000, C385S130000, C385S131000, C385S132000, C362S023000, C362S026000, C362S028000, C362S035000, C362S084000, C362S100000, C362S101000, C362S297000, C362S298000, C362S299000, C362S300000, C362S327000, C362S328000, C362S329000, C362S330000, C362S335000, C362S337000, C362S520000, C362S602000, C362S604000, C362S608000, C362S609000, C362S610000, C362S612000, C362S613000, C362S614000, C362S615000, C362S625000, C362S626000, C362S

Reexamination Certificate

active

07616849

ABSTRACT:
An optical device for collecting and distributing light from a quasi point light source which includes a planar light guide having surfaces through which optical axes are periodically spaced. There is at least one quasi point light source, the optical axis of each being coincident with the optical axes of the surfaces. There is also at least one optical element depressed within the edges or adjacent surfaces of the light guide at least partially rotated about the optical axis, and having a focal point at the quasi point light source.

REFERENCES:
patent: 5032960 (1991-07-01), Katoh
patent: 6097549 (2000-08-01), Jenkins et al.
patent: 6193383 (2001-02-01), Onikiri et al.
patent: 6598998 (2003-07-01), West et al.
patent: 7218830 (2007-05-01), Iimura
patent: 2004/0042194 (2004-03-01), Hsieh
patent: 2005/0237747 (2005-10-01), Shimizu et al.

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