Broadband cholesteric polarizer and an optical device employing

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

349115, 359499, 359498, G02F 11335

Patent

active

060611081

ABSTRACT:
A broadband cholesteric polariser includes at least one pair of adjacent layers. The at least one pair includes a cholesteric layer and a compensating layer. The compensating layer has a refractive index perpendicular to the compensating layer greater than a refractive index oriented within the compensating layer.

REFERENCES:
patent: 4073571 (1978-02-01), Grinberg et al.
patent: 5518783 (1996-05-01), Kawata et al.
patent: 5731886 (1998-03-01), Taber et al.
Search Report for Application No. 98300476.3-2205-; Dated Aug. 27, 1998 (EPO).
H.L. Ong, Japan Display '92, pp. 247-250, 1992, "New Normally White Negative Birefringence Film Compensated Twisted Nematic LCD's with Largest Viewing Angle Performance".
S. -T. Wu, Sid 95 Digest, pp. 555-558, 1995, "Phase-Matched Biaxial Compensation Film for LCDs".
S. Nishimura et al., Sid 95 Digest, pp. 567-570, 1995, "The Performance of a Liquid-Crystal Polymer Film as an Optical Compensator for a Fast-Response STN-LCD".
J. -C. Yoo et al., Conference Record of the 1994 International Display Research Conference and International Workshops on Active-Matrix LCDs & Display Materials, pp. 217-219, 1994, Novel Compensator with Grating Structure for Twisted Nematic . . . .
V. A. Belyakov et al., Sov. Phys. USP., vol. 22, No. 2, pp. 63-88, 1979, "Optics of Cholesteric Liquid Crystals".
G. Joly et al., J. Optics, vol. 25, No. 5, pp. 177-186, 1994, "Optical Properties of the Interface Between a Twisted Liquid Crystal and an Isotropic Transparent Medium".
L.E. Hajdo et al., J. Opt. Soc. Am., vol. 69, No. 7, pp. 1017-1023, 1979, "Theory of Light Reflection by Cholesteric Liquid Crystals Possessing a Pitch Gradient".

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Broadband cholesteric polarizer and an optical device employing does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Broadband cholesteric polarizer and an optical device employing , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Broadband cholesteric polarizer and an optical device employing will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1070259

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.