Polymeric optical low-pass filter and device thereof

Details Polymeric optical low-pass filter and device thereof Polymeric optical low-pass filter and device thereof

1995-10-05

1998-10-13

Nagumo, Mark

Compositions

Liquid crystal compositions

349104, 349185, 349191, 349193, 25229963, 428 1, G02B 520, G02B 104

Patent

active

058207791

ABSTRACT:
A polymeric optical low-pass filter of the birefringent type is provided which is lightweight and small, and which can be easily produced. Also provided are a polymeric optical low-pass filter device including the polymeric optical low-pass filter; and a composite optical filter including the polymeric optical low-pass filter. The optical low-pass filter comprises an optically anisotropic polymer film in which the displacement distance S between the ordinary ray and the extraordinary ray represented by the following formula is 1-70 .mu.m:

REFERENCES:
patent: 5091795 (1992-02-01), Nishioka et al.
patent: 5578243 (1996-11-01), Mazaki et al.
Patent Abstracts of Japan, vol. 017, No. 654 (P-1653), 3 Dec. 1993 of JP-A-05 215921 (Optrex Corp), 27 Aug. 1993.
Patent Abstracts of Japan, vol. 018, No. 657 (P-1842), 13 Dec. 1994 of JP-A-06 258620 (Seiko Epson Corp), 16 Sep. 1994.
Patent Abstracts of Japan, vol. 012, No. 16 (P-656), 19 Jan. 1988 of JP-A-62 172319 (Canon), 29 Jul. 1987.
Engel, M. et al. (1985) Pure & Appl. Chem. 57(7), 1009-1014.
WPIDS AN 93-305932--abstract of Hoshino, JP5-215,921.

Affiliated with

Also associated with

Rating

Polymeric optical low-pass filter and device thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polymeric optical low-pass filter and device thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polymeric optical low-pass filter and device thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-310087