Ocular optical system
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Mar 31, 2020
Grant Date -
Mar 22, 2018
app pub date -
Jan 9, 2017
filing date -
Jan 9, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ocular optical system for imaging of imaging rays entering an eye of an observer via the ocular optical system from a display screen is provided. A side facing towards the eye is an eye-side, and a side facing towards the display screen is a display-side. The ocular optical system includes a first lens element, a second lens element, and a third lens element from the eye-side to the display-side in order along an optical axis. The first lens element, the second lens element, and the third lens element each include an eye-side surface and a display-side surface. The second lens element has positive refracting power, and the display-side surface of the second lens element has a concave portion in a vicinity of the optical axis.
First Claim
Family
International Classification(s)
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