Light detector, optical position detection apparatus, and display apparatus with position detection capability
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 26, 2014
Grant Date -
Apr 14, 2011
app pub date -
Aug 9, 2010
filing date -
Oct 13, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A light detector includes: a light receiving device having a central optical axis and first and second directions perpendicular thereto, the light receiving device detecting incident light; a first light shield provided on a light incident side of the light receiving device and disposed on one side in the first direction with respect to the light receiving device; and a second light shield provided on the light incident side of the light receiving device and disposed on the other side in the first direction with respect to the light receiving device, wherein the first and second light shields form a light incident slit over an angular range including the direction in which the central optical axis of the light receiving device extends, and the width of the slit increases as the angle with respect to the central optical axis of the light receiving device increases.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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