Optical waveguide illumination and signage device and method for making same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 22, 2003
Grant Date -
N/A
app pub date -
Apr 27, 2001
filing date -
Apr 28, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An illuminating device comprising an optical waveguide having at least one set of LEDs positioned adjacent one end surface and having a portion of the surface area treated so as to cause a portion of the light directed along the length of the waveguide to be reflected out of the waveguide through a second surface area located intermediate the length of the waveguide. Indicia may be located within the treated portion of the surface area so as to be illuminated and made visible to a viewer through the second surface area.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully