Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2007-03-27
2007-03-27
Schechter, Andrew (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S123000, C349S124000
Reexamination Certificate
active
10748562
ABSTRACT:
A method includes exposing an alignment material to an interference pattern to cause a chemical reaction in the alignment material and exposing the alignment material to a liquid crystal, where the liquid crystal aligns relative to the alignment material based on the interference pattern.
REFERENCES:
patent: 5096282 (1992-03-01), Margerum et al.
patent: 5389698 (1995-02-01), Chigrinov et al.
patent: 5652634 (1997-07-01), Hirata et al.
patent: 5796459 (1998-08-01), Bryan-Brown et al.
patent: 5838407 (1998-11-01), Chigrinov et al.
patent: 5909265 (1999-06-01), Kim et al.
patent: 5929957 (1999-07-01), Noh
patent: 6067141 (2000-05-01), Yamada et al.
patent: 6153272 (2000-11-01), Kim et al.
patent: 6184958 (2001-02-01), Lim et al.
patent: 6242061 (2001-06-01), Gibbons et al.
patent: 6292244 (2001-09-01), Kuo et al.
patent: 6433850 (2002-08-01), Reznikov et al.
patent: 6876417 (2005-04-01), Seiberle et al.
patent: 2002/0067451 (2002-06-01), Hattori et al.
patent: 2002/0149849 (2002-10-01), Kelsey et al.
patent: 08095045 (1996-04-01), None
Nikolova, L. and Todorov, T.; “Diffraction Efficiency and Selectivity of Polarization Holographic Recording”,Optica Acta(1984); vol. 31, No. 5; pp. 579-588.
Ichimura, K., et al; “Reversible Change in Alignment Mode of Nematic Liquid Crystals Regulated Photochemically by ‘Command Surfaces’ Modified with an Azobenzene Monolayer”,Langmuir(1988); vol. 4; American Chemical Society; pp. 1214-1216.
Ichimura, K., et al; “Reversible Alignment Change of Liquid Crystals Induced Photochromic Molecular Films, . . . ”,Makromol.Chem., Rapid Commun.(1989); vol. 10; pp. 5-8.
Gibbons, W.M., et al; “Surface-Mediated Alignment of Nematic Liquid Crystals with Polarized Laser Light”,Nature(May 2, 1991); vol. 351; pp. 49-50.
Schadt, M., et al; “Surface-Induced Parallel Alignment of Liquid Crystals by Linearly Polymerized Photopolymers”,Jpn.Journal of Applied Physics(1992); vol. 31; pp. 2155-2164.
Shannon, P.J., et al; “Patterned Optical Properties in Photopolymerized Surface-Aligned Liquid-Crystal Films”,Nature(Apr. 7, 1994); vol. 368; pp. 532-533.
Hasegawa, M., and Taira, Y.; “Nematic Homogeneous Alignment by Photo Depolymerization of Polyimide”,Conf.Record, 14th International Display Research Conference, Monterey(1994); Society for Information Display, San Jose, CA; pp. 213-216.
Schadt, M., et al; “Photo-Generation of Linerly Polymerized Liquid Crystal Aligning Layers Comprising Novel, Integrated Optically Patterned Retarders and Color Filters”,Jpn.Journal of Applied Physics(1995); vol. 34; pp. 3240-3249.
Schadt, M., et al; “Optical Patterning of Multi-Domain Liquid-Crystal Displays with Wide Viewing Angles”,Nature(May 16, 1996); vol. 381; pp. 212-215.
Kitzerow, H.-S.; “Polymer-Dispersed and Polymer-Stabilized Chiral Liquid Crystals”,Liquid Crystals in Complex Geometries: Formed Polymer and Porous Networks(1996); Ed. G.P. Crawford & S. Zumer; Taylor & Francis; pp. 187-219.
Ichimura, K., et al; “Photoreactivity of Polymers with Regioisomeric Cinnamate Side Chains and Their Ability to Regulate Liquid Crystal Alignment”,Macromolecules(1997); vol. 30, American Chemical Society; pp. 903-911.
Reznikov, Y., et al; “Photoalignment of Liquid Crystals by Liquid Crystals”,Physical Review Letters(Feb. 28, 2000); vol. 84, No. 9; American Physical Society; pp. 1930-1933.
Kurihara, R., et al; “P-68: Fabrication of Defect Free FLCDs Using Photo-Alignment and Their Performance Characteristics”,SID 00 Digest(2000); ISSN0000-0966X/00/3101-0807; pp. 807-809.
Lee, B. and Clark, N.A.; “Alignment of Liquid Crystals with Patterned Isotropic Surfaces”,Science(Mar. 30, 2001); vol. 291; pp. 2576-2580.
Ibn-Elhaj, M. and Schadt, M.; “Optical Polymer Thin Films with Isotropic and Anisotropic Nano-Corrugated Surface Topologies”,Nature(Apr. 12, 2001); vol. 410; pp. 796-799.
Hasegawa, M.; “Fabrication of Freely Patterned Aligned Nematic Liquid Crystal Cells Using UV Laser Scanning Photoalignment”,Jpn.Journal of Applied Physics(2002); vol. 41; pp. L201-L202.
Flanders, D.C., et al; “Alignment of Liquid Crystals Using Submicrometer Periodicity Gratings”,Applied Physics Letters(May 15, 1978); vol. 32, No. 10; pp. 597-598.
Newsome, C.J., et al; “Laser Etched Gratings on Polymer Layers for Alignment of Liquid Crystals”,Applied Physics Letters(Apr. 27, 1998); vol. 72, No. 17; pp. 2078-2080.
Crawford Gregory P.
Eakin James N.
Radcliffe Marc D.
3M Innovative Properties Company
Brown University
Chen W. Patty
Rosenblatt Gregg H.
Schechter Andrew
LandOfFree
Method of alignment of liquid crystals comprising exposing... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of alignment of liquid crystals comprising exposing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of alignment of liquid crystals comprising exposing... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3755839