SYMMETRIC SERRATED EDGE LIGHT GUIDE FILM HAVING CIRCULAR TIP AND BASE SEGMENTS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 3, 2013
app pub date -
Jun 30, 2011
filing date -
Jun 30, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second circular base segments with a second contact angle, the second contact angle being less than the first contact angle and the second contact angle being equal to each other. Further, the circular tip segment satisfies the following equation:
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