Annular optical member

Details Annular optical member Annular optical member

1990-12-19

1993-06-22

Ben, Loha

Optical: systems and elements

Glare or unwanted light reduction

359823, 359699, G02B 2700

Patent

active

052219933

ABSTRACT:
An annular optical member of synthetic resin is provided, having a bottomed inner groove on an inner peripheral surface thereof, wherein the bottom of the bottomed inner groove has a rough surface which defines an inner anti-reflection surface.

REFERENCES:
patent: 3931629 (1976-01-01), Himmelsbach et al.
patent: 4389098 (1983-06-01), Fukushima
patent: 5018832 (1991-05-01), Terunuma et al.
Patent Abstracts of Japan, vol. 10, No. 127, Publication No. 60-252,319-May 13, 1986.

Affiliated with

Also associated with

Rating

Annular optical member does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Annular optical member, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Annular optical member will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1444303