Surface Light Source Device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 20, 2012
app pub date -
Feb 29, 2012
filing date -
Mar 17, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
No other light emission center is included on four edges and within an area surrounded by the four edges of a quadrangle of which light emission centers of four predetermined light sources serve as apexes. A light diffusing member having a first surface that opposes the light sources and a second surface 6 on the side opposite to the first surface is disposed. The light diffusing member emits light emitted from each light source from the second surface in a dispersed state. Projections having a predetermined pyramid shape are formed in an array on the second surface. A virtual bottom surface of the projection positioned on the second surface is configured by a plurality of linear bottom edges. All bottom edges have a positional relationship that is twisted in relation to the four edges and diagonal lines of the quadrangle.
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