Lighting device with U-shaped fluorescent tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 10, 2008
Grant Date -
May 4, 2006
app pub date -
Oct 27, 2005
filing date -
Oct 28, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lighting device including a frame, at least one U-shaped fluorescent tube, a diffusing plate, and a prism sheet having a plurality of prisms and being positioned between the fluorescent tube and the diffusing plate with the prism apices aligned in the axial direction of the fluorescent tube. The prism sheet covers the bent portion of the fluorescent tube to eliminate uneven luminance.
First Claim
Family
International Classification(s)
- No Non-US Classification to display
Cited Art Landscape
Patent Citation Ranking
- No Patent Citation Ranking to display
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