Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2006-08-01
2006-08-01
Hightower, P. Hampton (Department: 1711)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C428S001200, C428S001260, C428S001230, C428S001250, C428S473500, C428S474400, C528S170000, C528S310000, C528S353000
Reexamination Certificate
active
07083833
ABSTRACT:
An aromatic polyamide photoalignment material prepared by a reaction from a diamine compound with a side branch and a photosensitive dicarboxylic acid. Furthermore, liquid crystal display devices using such photoalignment materials in an alignment film on at least one substrate. The photoalignment material has a chemical structure as follows:
REFERENCES:
patent: 3030208 (1962-04-01), Schellenberg et al.
patent: 3912920 (1975-10-01), Kubota
patent: 4861854 (1989-08-01), Sugio et al.
patent: 4963448 (1990-10-01), Ichimura et al.
patent: 4974941 (1990-12-01), Gibbons et al.
patent: 5032009 (1991-07-01), Gibbons et al.
patent: 5073294 (1991-12-01), Shannon et al.
patent: 5296321 (1994-03-01), Kawanishi et al.
patent: 5350539 (1994-09-01), Mishina et al.
patent: 5389698 (1995-02-01), Chigrinov et al.
patent: 5447662 (1995-09-01), Herr et al.
patent: 5453862 (1995-09-01), Toko et al.
patent: 5464668 (1995-11-01), Asaoka et al.
patent: 5464669 (1995-11-01), Kang et al.
patent: 5479282 (1995-12-01), Toko et al.
patent: 5538823 (1996-07-01), Park et al.
patent: 5539074 (1996-07-01), Herr et al.
patent: 5576862 (1996-11-01), Sugiyama et al.
patent: 5578351 (1996-11-01), Shashidhar et al.
patent: 5602661 (1997-02-01), Schadt et al.
patent: 5604615 (1997-02-01), Iwagoe et al.
patent: 5657105 (1997-08-01), McCartney
patent: 5712696 (1998-01-01), Toko et al.
patent: 5744203 (1998-04-01), Harada et al.
patent: 5764326 (1998-06-01), Hasegawa et al.
patent: 5767994 (1998-06-01), Kang et al.
patent: 5784139 (1998-07-01), Chigrinov et al.
patent: 5786041 (1998-07-01), Takenaka et al.
patent: 5824377 (1998-10-01), Pirwitz et al.
patent: 5853818 (1998-12-01), Kwon et al.
patent: 5856430 (1999-01-01), Gibbons et al.
patent: 5856431 (1999-01-01), Gibbons et al.
patent: 5859682 (1999-01-01), Kim et al.
patent: 5880803 (1999-03-01), Tamai et al.
patent: 5882238 (1999-03-01), Kim et al.
patent: 5889571 (1999-03-01), Kim et al.
patent: 5909265 (1999-06-01), Kim et al.
patent: 5982466 (1999-11-01), Choi et al.
patent: 6084057 (2000-07-01), Gibbons et al.
patent: 6139926 (2000-10-01), Auman et al.
patent: 6340506 (2002-01-01), Buchecker et al.
patent: 6770335 (2004-08-01), Shin et al.
patent: 6793987 (2004-09-01), Shin et al.
patent: 44 20 585 (1995-12-01), None
patent: 197 03 682 (1997-08-01), None
patent: 0 261 712 (1988-03-01), None
patent: 0 525 473 (1993-02-01), None
patent: 0 525 478 (1993-02-01), None
patent: 0 549 283 (1993-06-01), None
patent: 0 611 786 (1994-08-01), None
patent: 0 635 748 (1995-01-01), None
patent: 0 690 334 (1996-01-01), None
patent: 0 708 354 (1996-04-01), None
patent: 0 742 471 (1996-11-01), None
patent: 0 750 212 (1996-12-01), None
patent: 0 788 012 (1997-08-01), None
patent: 0 742 471 (1997-10-01), None
patent: 0905168 (1999-03-01), None
patent: 2 309 793 (1997-08-01), None
patent: 2 309 794 (1997-08-01), None
patent: 2 317 964 (1998-04-01), None
patent: 2 319 093 (1998-05-01), None
patent: 01-251344 (1989-10-01), None
patent: 01-251345 (1989-10-01), None
patent: 02-055330 (1990-02-01), None
patent: 02-298917 (1990-12-01), None
patent: 04-007520 (1991-01-01), None
patent: 03-036527 (1991-02-01), None
patent: 03-120503 (1991-05-01), None
patent: 03-241311 (1991-10-01), None
patent: 04-284421 (1992-10-01), None
patent: 04-350822 (1992-12-01), None
patent: 05-019208 (1993-01-01), None
patent: 05-034699 (1993-02-01), None
patent: 05-053513 (1993-03-01), None
patent: 05-232473 (1993-09-01), None
patent: 07-056173 (1995-03-01), None
patent: 07-261185 (1995-10-01), None
patent: 07-318861 (1995-12-01), None
patent: 07-318942 (1995-12-01), None
patent: 08-012759 (1996-01-01), None
patent: 08-334790 (1996-12-01), None
patent: 09-211465 (1997-08-01), None
patent: 09-211468 (1997-08-01), None
patent: 09-265095 (1997-10-01), None
patent: 09-318946 (1997-12-01), None
patent: 10-090684 (1998-04-01), None
patent: 10-154658 (1998-06-01), None
patent: 10-161126 (1998-06-01), None
patent: 10-332932 (1998-12-01), None
patent: 11-194344 (1999-07-01), None
patent: 11-194345 (1999-07-01), None
patent: WO 94/28458 (1994-12-01), None
patent: WO 95/18989 (1995-07-01), None
patent: WO 95/22075 (1995-08-01), None
patent: WO 95/34843 (1995-12-01), None
patent: WO 99/08148 (1999-02-01), None
WTEC Hyper-Librarian, Active Matrix LCDs, Dec. 1994.
J. L. West, et al., Polarized UV-Exposed Polyimide Films for Liquid-Crystal Alignment,SID 95 Digest, pp. 703-705.
J. Chen, et al., Investigation of the Mechanism of the Surface-Induced Alignment of Liquid Crystals by Linear Polymerized Photopolymers,SID 95 Digest, pp. 528-531.
A. Lien, et al., UV Modification of Surface Pretilt of Alignment Layers for Multidomain Liquid Crystal Displays,Applied Physics Letters 67(21), Nov. 20, 1995, pp. 3108-3110.
W. M. Gibbons, et al., Surface-Mediated Alignment of Nematic Liquid Crystals with Polarized Laser Light,Nature, May 2, 1991, pp. 49-50.
M. Schadt, et al., Surface-Induced Parallel Alignment of Liquid Crystals by Linearly Polymerized Photopolymers,Jpn. J. Appl. Phys., vol. 31 (1992), Part 1, No. 7, Jul. 1992, pp. 2155-2164.
Y. Iimura, et al., Alignment Control of a Liquid Crystal on a Photosensitive Polyvinylalcohol Film,Jpn. J. Appln. Phys., vol. 32 (1993), Part 2, No. 1A/B, Jan. 15, 1993, pp. sL93-L96.
J. Chen, et al., Model of Liquid Crystal Alignment by Exposure to Linearly Polarized Ultraviolet Light,Physical Review E, vol. 54, No. 2, Aug. 1996, pp. 1599-1603.
J. Chen, et al., P-54: Mechanism of Liquid-Crystal Alignment by Polyimide Exposure to Linearly Polarized UV Light,SID 96 Digest, pp. 634-637.
K.-W. Lee, et al., LP-K: Late-News Poster: Mechanism of UV Modification of LC Pretilt Angle and Its Application to Two-Domain TN-LCDs,SID 96 Digest, pp. 638-641.
J. H. Kim, et al., LP-L: Late-News Poster: Photo-Alignment of Liquid Crystals Using a New Photopolymer,SID 96 Digest, pp. 646-649.
Y. Saitoh, et al., P-58: Stability of UV-Type Two-Domain Wide-Viewing-Angle TFT-LCD Panels,SID 96 Digest, pp. 662-665.
T. Yamaoto, et al., P-55: Liquid-Crystal Alignment by Slantwise Irradiation of Non-Polarized US Sight on a Polyimide Layer,SID 96 Digest, pp. 642-645.
M. Schadt, et al., Optical Patterning of Multi-Domain Liquid-Crystal Displays with Wide Viewing Angles,Nature, vol. 381, May 16, 1996, pp. 212-215.
M. Schadt, et al., Photo-Generation of Linearly Polymerized Liquid Crystal Aligning Layers Comprising Novel, Integrated Optically Patterned Retarders and Color Filters,Jpn. J. Appl. Phys., vol. 34 (1995), Part 1, No. 6A, Jun. 1995, pp. 3240-3249.
P. J. Shannon, et al., Patterned Optical Properties in Photopolymerized Surface-Aligned Liquid-Crystal Films,Nature, vol. 368, Apr. 7, 1994, pp. 532-533.
K. Ichimura, Photocontrol of Liquid Crystal Alignment,Oyo Butuiri, vol. 62, No. 10 (1993), pp. 998-1001 (in Japanese).
T. Marsuii, et al., Photosensitive Orientants for Liquid Crystal Alignment,Mol. Mat., 1993, vol. 3, pp. 161-168.
M. Hasegawa, et al., Nematic Homogeneous Photo Alignment by Polyimide Exposure to Linearly Polarized UV,Journal of Photopolymer Science and Technology, vol. 8, No. 2 (1995), pp. 241-248.
T. Hashimoto, et al., 41.4: TN-LCD with Quartered Subpixels Using Polarized UV-Light-Irradiated Polymer Orientation Films,SID 95 Digest, pp. 877-880.
T. Saitoh, et al., S23-4 A New Hybrid N-TB Mode LCD with Two Domain Pixels Fabricated Using a Photopolymer,Asia Display 95, pp. 589-592.
H. S. Soh, et al., 19.1: The Realization of Wide Viewing Angle TFT-LCDs using Photo-Alignment Method,Euro Display 96, pp. 579-583.
D.-S. Seo, et al., 44.1: Invited Address: Surface Alignment of Liquid Crystals in LCDs,SID 93 Digest, pp. 953-956.
Y. Iimura, et al., 19.1: Invited Paper: Prospects of the Photo-Alignment Technique for LCD Fabrication,SID 97 Digest, pp. 311-314.
R. Shashidhar, et al., 19.2: A New Non-Rubbing Technique for Liquid-Crystal Alignment,SID 97 Digest, pp. 315-318.
M. Schadt, et al., 24.1: Invited Paper: Optical Patterning of Multidomain LCDs,SID 97 Digest, pp. 397-400.
K.Y. Han, et al., P-54: A Study on the Photo-Alignment of the Polymer-Containing Cinnamate Group Using a New Single UV-Exposure Method,SID 97 Digest,
Lee Seung Woo
Nam Mi Sook
Park Su Hyun
Ree Moonhor
Shin Hyun Ho
Hampton Hightower P.
LG.Philips LCD Co. , Ltd.
McKenna Long & Aldridge LLP
Pohang University of Science and Technology
LandOfFree
Photoalignment materials and liquid crystal display... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photoalignment materials and liquid crystal display..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photoalignment materials and liquid crystal display... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3639114