Optical lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 8, 2021
Grant Date -
Oct 3, 2019
app pub date -
Jul 6, 2018
filing date -
Mar 30, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical lens includes a first lens group with a positive refractive power, a second lens group with a positive refractive power and an aperture stop. The first lens group and the second lens group are arranged in order from a first side to a second side, and the aperture stop is disposed between the first lens group and the second lens group. A total number of lenses with refractive powers in the optical lens is less than four, and the optical lens includes at least two lenses having an index of refraction of greater than 1.7.
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