How far has the molecular alignment of liquid crystals been elucidated?

IEEE/OSA Journal of Display Technology

Volumn 1, Issue 1, 2005, Pages 30-40

  Ishihara, Shoichi ^a,b,c  

^a SHARP CORPORATION   (Japan)

^b Display Materials Engineering Laboratories of Sharp Corporation ^*  (Japan)

^c Society for Information Display   (Japan)

Author keywords

Alignment layer; Alignment mechanism; Evaluation method; Liquid crystal (LC); Pre tilt angle; Rubbing

Indexed keywords

ALGINMENT LAYER; ALIGNMENT MECHANISM; EVALUATION METHOD; LCD PANELS; PRE-TILT ANGLE; RUBBING;

ELECTROOPTICAL EFFECTS; ION BOMBARDMENT; LIQUID CRYSTAL DISPLAYS; MOLECULAR ORIENTATION; POLYMERS;

LIQUID CRYSTALS;

EID: 27744516728     PISSN: 1551319X     EISSN: None     Source Type: Journal    
DOI: 10.1109/JDT.2005.852493     Document Type: Article

References (139)

1. G. H. Helmeier, L. A. Zanoni, and L. A. Barton, "Dynamic scattering: A new electrooptic effect in certain classes of nematic liquid crystals," Proc. IEEE, vol. 56, no. 7, pp. 1162-1171, Jul. 1968.
2. G. H. Helmeier and L. A. Zanoni, "Guest-host interactions in nematic liquid crystals. A new electro-optic effect," Appl. Phys. Lett., vol. 13, no. 3, pp. 91-92, Aug. 1968.
3. M. Schadt and W. Helfrich, "Voltage-Dependent optically activity of a twisted nematic liquid crystal," Appl. Phys. Lett., vol. 18, no. 4, pp. 127-128, Feb. 1971.
4. P. M. Alt and P. Pleshko, IEEE Trans. Electron Devices, vol. ED-21, p. 146, 1974.
5. T. Scheffer and J. Nehring, "A new, highly multiplexable liquid crystal display," J. Appl. Phys., vol. 45, p. 1021, Nov. 1984.
6. B. J. Lechner, F. J. Marlowe, E. O. Nester, and J. Tults, "Liquid crystal matrix displays," Proc. IEEE, vol. 59, no. 11, pp. 1566-1579, Nov. 1971.
7. P. G. Le Comber, W. E. Spear, and A. Ghaith, "Amorphous-silicon field-effect device and possible application," Electron. Lett., vol. 15, no. 6, pp. 179-181, Mar. 1979.
8. T. Brody, J. Asars, and G. Dixon, Dig. SID73, 1973, p. 179.
9. W. Urbach, M. Boix, and E. Guyon, "Alignment of nematics and smectics on evaporated films," Appl. Phys. Lett., vol. 25, no. 9, pp. 479-481, Nov. 1974.
10. J. L. Janning, "Thin film surface orientation for liquid crystals," Appl. Phys. Lett., vol. 21, no. 4, pp. 173-174, Aug. 1972.
11. M. Murata, H. Awaji, M. Isurugi, M. Uekita, and Y. Tawada, "Alignment of nematic liquid crystals by polyimide Langmuir-Blodgett Films," Jpn. J. Appl. Phys., pt. 2, vol. 31, no. 2B, pp. L189-L192, Feb. 1992.
12. H. Aoyama, Y. Yamazaki, N. Matsuura, H. Mada, and S. Kobayashi, "Alignment of liquid crystals on the stretched polymer films," Mol. Cryst. Liq. Cryst. Lett., vol. 72, pp. 127-132, 1981.
13. W. M. Gibbons, P. J. Shannon, S.-T. Sun, and B. J. Swetlin, "Surface-mediated alignment of nematic liquid crystals with polarized laser light," Nature, vol. 351, pp. 49-50, May 1991.
14. M. Schadt, K. Schmitt, V. Kozinkov, and V. Chigrinov, "Surface-induced parallel alignment of liquid crystals by linearly polymerized photopolymers," Jpn. J. Appl. Phys., pt. 1, vol. 31, no. 7, pp. 2155-2164, Jul. 1992.
15. M. Hasegawa and Y. Taira, "Nematic homogeneous photo alignment by polyimide exposure to linearly polarized UV," J. Photopolymer. Sci. Technol., vol. 8, no. 2, pp. 241-248, 1995.
16. D. W. Berreman, "Solid surface shape and the alignment of an adjacent nematic liquid crystal," Phys. Rev. Lett., vol. 28, no. 26, pp. 1683-1686, Jun. 1972.
17. H. Yokoyama, "Surface anchoring of nematic liquid crystals," Mol. Cryst. Liq. Cryst., vol. 165, pp. 265-316, 1988.
18. L. T. Creagh and A. R. Kmetz, "Mechanism of surface alignment in nematic liquid crystals," Mol. Cryst. Liq. Cryst., vol. 24, pp. 59-68, 1973.
19. L. Onsager, "1. Anisotropic solutions of colloids," Phys. Rev., vol. 62, p. 558, Dec. 1942.
20. M. A. Cotter, Phys. Rev. A, vol. 10, pp. 625-636, 1974.
21. G. R. Luckhurst, R. A. Stephans, and R. W. Phippen, Liq. Cryst., vol. 8, p. 451, 1990.
22. K. Okano, N. Matsuura, and S. Kobayashi, "Alignment of a liquid crystal on an anisotropic substrate," Jpn. J. Appl. Phys., vol. 21, no. 2, pp. L109-L110, Feb. 1982.
23. J. Bernasconi, S. Strässler, and H. R. Zeller, Phys. Rev., vol. A22, p. 4100, 1989.
24. H. Yokoyama, Bleeding Edge of Liquid Crystal Displays (Book Style). Tokyo, Japan: Sigma Press, 1996, p. 78. edited by Japanese Assoc. of Liquid Crystal Society.
25. C. Mauguin, "Sur les Cristaux Liquides de Lehmann," Bull. Soc. Fr. Min., vol 34, p. 71, 1911.
26. Y. Takahashi, "Equipment for LCD: Rubbing machine," Month. Semiconductor World, no. 1, pp. 140-144, Jan. 1996.
27. J. S. Patel, T. M. Leslie, and J. W. Goodby, "A reliable method of alignment for smectic liquid crystals," Ferroelectrics, vol. 59, pp. 137-144, 1984.
28. J. M. Geary, J. W. Goodby, A. R. Kmetz, and J. S. Patel, "The mechanism of polymer alignment of liquid-crystal materials," J. Appl. Phys., vol. 62, no. 10, pp. 4100-4108, Nov. 1987.
29. S. Ishihara, H. Wakemoto, F. Yokotani, and Y. Matsuo, "Drawing of the alignment surface by the rubbing Stress," in Proc. 14th Jpn. Liq. Crys. Conf., Sep. 1988.
30. S. Ishihara, H. Wakemoto, K. Nakazima, and Y. Matsuo, "The effect of rubbed polymer films on the liquid crystal alignment," Liq. Cryst., vol. 4, no. 6, pp. 669-675, Jun. 1989.
31. T. Uchida, E. S. Lee, and T. Miyashita, "Molecular alignment of liquid crystal on rubbed polymer alignment layer (I): Quantitative evaluation of rubbing strength and anchoring strength," Tech. Rep. IEICE (EID94-86), vol. 94, 1994.
32. H. Fukuro and S. Kobayashi, "Newly synthesized polyimide for aligning nematic liquid crystals accompanying high pretilt angles," Mol. Cryst. Liq. Cryst., vol. 163, pp. 157-162, 1988.
33. J. C. Dubois, M. Gazardand, and A. Zann, J. Appl. Phys., vol. 47, no. 4, pp. 1270-1274, 1976.
34. T. Miyamoto, S. Kawamura, M. Nishikawa, Y. Tsuda, R. Natsui, and Y. Ohta, "Relationship between pretilt angle and conformation of polyimide," in Proc. 19th Jpn. Liq. Cryst. Conf., vol. 19, T09, Sep. 1993, pp. 106-107.
35. M. Nishikawa, K. Sano, T. Miyamoto, Y. Yokoyama, N. Bessho, D.-S. Seo, Y. Iimura, and S. Kobayashi, "Pretilt angles of liquid crystal on organic-solvent-soluble polyimide alignment films," Jpn. J. Appl. Phys., vol. 33, pp. 4152-4153, Jul. 1994.
36. H. Isogai, Y. Tsuruoka, T. Sato, H. Fukuro, and T. Abe, Display and Imaging, vol. 1, p. 211, 1993.
37. M. Gazardan, A. Zann, and J. C. Dubois, J. Appl. Phys., vol. 47, p. 1270, 1976.
38. K. Sakamoto, R. Arafune, N. Ito, S. Ushioda, Y. Suzuki, and S. Morokawa, "Determination of molecular orientation of very thin rubbed and unrubbed polyimide films," J. Appl. Phys., vol. 80, no. 1, pp. 431-439, Jul. 1996.
39. D.-S. Seo, K. Araya, N. Yoshida, M. Nishikawa, Y. Yabe, and S. Kobayashi, "Effect of the Polymer Tilt Angle for Generation of Pretilt Angle in Nematic Liquid Crystal on a Rubbed Polyimide Surfaces," Jpn. J. Appl. Phys., vol. 34, p. L503, Apr. 1995.
40. S. Matsumoto and K. Tsunoda, Leading Edge Technology of Liquid Crystals: Physical Properties, Materials, and Its Applications (Book Style). Tokyo, Japan: Inst. Industrial Research and Standards, 1983, ch. 1, 5, 7.
41. M. Hasegawa, "Photo-alignment: Alignment process in the point of manufacturing process," EKISHO, vol. 3, no. 1, pp. 3-16, 1999.
42. M. Okano and S. Kobayashi, Liquid Crystals: Application (Book Style). Tokyo, Japan: Baifu-kan, 1985, pp. 56-61.
43. K. Ogawa, T. Ohtake, and T. Nomura, "A liquid crystal display having a rubbing-free photo-aligned monomolecular layer as an alignment film," Jpn. J. Appl. Phys., pt. 1, vol. 39, no. 10, pp. 5904-5911, Oct. 2000.
44. S.-T. Sun, W. M. Gibbons, and P. J. Shannon, "Alignment of Guest-Host liquid crystals with polarized laser light," Liq. Cryst., vol. 12, no. 5, pp. 869-874, 1992.
45. M. Schadt, H. Seiberle, and A. Schuster, "Optical patterning of multi-domain liquid crystals with wide viewing angles," Nature, vol. 381, p. 367, 1996.
46. K. Ichimura, Y. Suzuki, T. Seki, A. Hosoki, and K. Aoki, "Reversible change in alignment mode of nematic liquid crystals regulated photochemically by "Command Surfaces" modified with an azobenzene monolayer," Langmuir, vol. 4, p. 1214, 1988.
47. J. H. Kim, K. H. Yoon, J. W. Wu, Y. J. Choi, M. S. Nam, J. Kim, S. B. Kwon, and H. S. Soh, "Photo-alignment of liquid crystals using a new photopolymer," in Dig. SID96, May 1996, pp. 646-649.
48. K. Y. Han, B. H. Chae, S. H. Yu, J. K. Song, and J. S. Lee, "A study on LCD application without rubbing process by using various photopolymer," in Proc. Int. Workshop on Active-Matrix LCDs, 1997, pp. 41-44.
49. M. Schadt and H. Seiberle, "Optical patterning of multidomain LCDs," J. SID, pp. 367-370, 1997.
50. E. Hoffmann, K. Klausmann, E. Ginter, P. M. Knoll, H. Seiberle, and M. Schadt, "Development of a dual-domain TFT-LCD by optical patterning," in Dig. SID98, May 1998, pp. 734-727.
51. M. Schadt, H. Seiberle, A. Schuster, and S. M. Kelly, "Photo-generation of linearly polymerized liquid crystal alignment layers comprising integrated optical patterened retarders and color filters," Jpn. J. Appl. Phys., pt. 1, vol. 34, pp. 3240-3249, 1995.
52. H. Seiberle, K. Schmitt, and M. Schadt, "Multi-domain LCDs and complex optical retarders generated by photo-alignment," in Dig. IDRC99, 1999, pp. 121-125.
53. J. Fünfschilling, M. Stalder, and M. Schadt, "Alignment of ferroelectric LCDs with hybrid LPP-photo-aligned polymer metworks," in Dig. SID99, 1999, pp. 308-311.
54. B. Park, Y. Jung, H.-H. Choi, H.-K. Hwang, Y. Kim, S. Lee, S.-H. Jang, M. Kakimoto, and H. Takezoe, "Thermal and optical stabilities of photoisomerizable polyimide layers for nematic liquid crystal alignments," Jpn. J. Appl. Phys., vol. 37, pp. 5663-5668, Oct. 1998.
55. M. Sakuragi, T. Tamaki, T. Seki, Y. Suzuki, Y. Kawanishi, and K. Ichimura, "Photoregulation of tilt angle of nematic liquid crystals by azobenzene layers," Chem. Lett., pp. 1763-1766, 1992.
56. T. Hashimoto, T. Sugiyama, K. Katoh, T. Saitoh, H. Suzuki, Y. Iimura, and S. Kobayashi, "TN-LCD with quartered subpixels using polarized UV-light-irradiated Polymer orientation films," in Dig. SID95, May 1995, pp. 877-880.
57. T. Ogawa, S. Nakata, M. Kimura, Y. Matsuki, Y. Makita, S. Kimura, and Y. Takeuchi, "A study of photo-aligned liquid crystal alignment materials with novel side chains," in Proc. 23rd Jpn. Liq. Cryst. Conf., Sep. 1997, pp. 140-141.
58. Y. Makita, T. Natsui, S. Kimura, S. Nakata, M. Kimura, Y. Matsuki, and Y. Takeuchi, "Photo alignment materials with high sensitivity to near UV light," J. Photopolymer Sci. Tech., vol. 11, no. 2, pp. 187-192, 1998.
59. J. W. Wu, K. H. Yoon, J. H. Kim, and S. B. Kwon, "The relation between anisotropy of photo-alignment layer and pretilt angle in LCD's," TITLE of Publ.??, pp. 33-38, 1995.
60. E. Endo, T. Shinozaki, H. Fukuro, Y. Iimura, and S. Kobayashi, "Optically-controlled alignment of nematic liquid crystals on photo-sensitive polyimide films," in Proc. Int. Workshop on Active-Matrix LCDs, Nov. 1996. pp. 341-344.
61. Y.-K. Jang, H.-S. Yu, J. K. Song, B. H. Chae, and K.-Y. Han, "The synthesis of BTDA-type polyimides and their photo-alignment behavior," in Dig. SID97, May 1997, pp. 703-706.
62. M. Kimura, S. Nakata, Y. Makita, Y. Matsuki, A. Kumano, Y. Takeuchi, and H. Yokoyama, "Photo-rubbing: A general method to induce durable liquid-crystal pretilt angle on photo-alignment films," Jpn. J. Appl. Phys., vol. 41, p. L1345, Dec. 2002.
63. M. Hasegawa and Y. Taira, "Nematic homogeneous alignment by photo depolymerization of polyimide," in Dig. IDRC, 1994, pp. 213-216.
64. W. C. Yip, E. K. Prudnikova, V. M. Kozenkov, V. G. Chigrinov, H. S. Kwok, H. Akiyama, M. Fukuda, H. Takada, and H. Takatsu, "Azo dye materials for the alignment of liquid crystal," in Dig. SID01, Jun. 2001, p. 1170.
65. Y. Toko, B. Y. Zhang, T. Sugiyama, K. Katoh, and T. Akahane, "Characteristics of liquid crystal display fabricated by alignment transcription method," Mol. Cryst. Liq. Cryst., vol. 304, pp. 107-112, 1985-1990, 1997.
66. P. Chaudhara, J. A. Lacey, S.-C. A. Lien, and J. Speidell, "Atomic beam alignment of liquid crystals," Jpn. J. Appl. Phys., vol. 37, pp. L55-L56, Jan. 1998.
67. Y. Nakagawa, H. Satoh, T. Nakamura, K. Okajima, S. Maenosono, and O. Tokuhiro, J. SID, vol. 12, no. 4, pp. 435-439, 2004.
68. M. Matsuo, T. Toida, and I. Tsunoda, "Substrate with an electrode for an electro-optical use," Japanese Patent Publ. 55-10180, DAY, 1976.
69. H. Yokokura, K. Kondo, T. Kitamura, and S. Numata, "Relation between tilt angle and chemical structure on alignment of polyimide with alkyl chain," in Proc. 16th Jpn. Liq. Crysl. Conf., vol. 16, Oct. 1990, pp. 308-309.
70. Y. Abe, S. Murata, M. Nakayama, K. Hara, and M. Seki, "Correlation between side-chain length of polyimide and pretilt angle," in Proc. 38th Jpn. Appl. Phys. Conf., vol. 38, Mar. 1991, p. 1031.
71. Y. Abe, M. Hayakawa, S. Murata, M. Takahashi, K. Arakawa, and K. Furukawa, "Surface analysis of polyimide alignment film," in Proc. 18th Jpn. Liq. Cryst. Conf., vol. 18, Oct. 1992, pp. 14-15.
72. S. Ishibashi, M. Hirayama, and T. Matsuura, Mol. Cryst. Liq. Cryst., vol. 225, pp. 99-105, 1993.
73. C. Nozaki, N. Imamura, and Y. Sano, "Factors controlling pretilt angles of polyimide alignment film for liquid crystal displays," Jpn. J. Appl. Phys., vol. 32, pp. 4352-4355, Sep. 1993.
74. M. Nishikawa, T. Miyamoto, S. Kawamura, Y. Tsuda, N. Bessho, D.-S. Seo, Y. Iimura, and S. Kobayashi, Mol. Cryst. Liq. Cryst., vol. 258, p. 185, 1995.
75. M. Nishikawa, K. Sano, T. Miyamoto, Y. Yokoyama, N. Bessho, D.-S. Seo, Y. Limura, and S. Kobayashi, Mol. Cryst. Liq. Cryst., vol. 259, p. 47, 1995.
76. D.-S. Seo, M. Nishikawa, Y. Yabe, and S. Kobayashi, "Effect of the molecular structure of weakly rubbed organic solvent soluble polyimides with trifluoromethyl moieties on anchoring strength of liquid crystals," Jpn. J. Appl. Phys., vol. 34, pp. L1214-L1217, Sep. 1995.
77. M. Nishikawa, T. Miyamoto, S. Kawamura, Y. Tsuda, and N. Bessho, Dig. IDRC92, 1992, pp. 819-822.
78. H. Seiberle and M. Schadt, Mol. Cryst. Liq. Cryst., vol. 239, pp. 229-244, 1994.
79. S. Ishihara, H. Wakemoto, F. Yokotani, and Y. Matsuo, "Dielectric Loss in LCD Panels," in Proc. 15th Jpn. Liq. Crys. Conf., Oct. 1989, pp. 356-357.
80. C. M. Groeneveld, "Influence of orienting layer material and dielectric constant of the LC mixture on the LC resistivity in test cells.," in Dig. IDRC90, 1990, pp. 324-327.
81. S. Mizushima, T. Shimazaki, M. Minesaki, K. Yano, and M. Hizikigawa, "Storage characteristics of TFT-LCD (II)," in Proc. 14th Jpn. Liq. Cryst. Conf., vol. 14, Sep. 1988, pp. 80-81.
82. H. Wakemoto, 2nd Polymer Materials Forum, 1994, p. 6.
83. M. Nishikawa, N. Bessyo, Y. Iiyama, and S. Kobayashi, "Properties of voltage holding ratios of liquid crystal cells using organic-solvent-soluble polyimide alignment films," Jpn. J. Appl. Phys., vol. 33, pp. L1113-L1116, Aug. 1994.
84. H. Horiguchi and S. Ariga, "Correlation between liquid crystal components and impurity ions," in Proc. 37th Jpn. Appl. Phys. Conf., Mar. 1990, p. 1016.
85. Y. Nakazono, H. Ichinose, A. Sawada, and S. Naemura, "Influence of the property of LC materials on the image sticking in the AM-LCDs,", Tech. Rep. IEICE, 1997. EID96-89.
86. S. Miyake, M. Adachi, H. Takasuna, and A. Ishizu, "Effect of alignment layer on electro-optical properties of TFT-LCD,", Tech. Rep.IEICE, 1992. EID91-111.
87. T. Sato, K. Sawahata, H. Endo, and H. Fukuro, "Influence of polyimide structures on electrical properties of active-matrix liquid-crystal cells," in Dig. SID98, May 1998, pp. 738-741.
88. A. J. Pidduck, G. P. Bryan-Brown, S. Haslam, R. Bannister, and I. Kitely, J. Vac. Sci. Technol., vol. A14, p. 1723, 1996.
89. K. Wako, K.-Y. Han, and T. Uchida, Mol. Cryst. Liq. Cryst., vol. 304, p. 235, 1997.
90. N. A. Uchida, J. M. van Aerle, M. Barmentlo, and R. W. J. Hollering, "Effect of rubbing on the molecular orientation within polyimide orienting layers of liquid-crystal displays," J. Appl. Phys., vol. 74, p. 3111, Sep. 1993.
91. K.-W. Lee, S.-H. Pack, A. Lien, C.-J. During, and H. Fukuro, "Microscopic molecular reorientation of alignment-layer polymer surface induced by rubbing and its effects on pretilt angle," in Dig. SID96, vol. 27, May 1996, p. 273.
92. S.-H. Paek, C.-J. During, K.-W. Lee, and A. Lien, "A mechanistic picture of the effects of rubbing on polyimide surfaces and liquid crystal pretilt angles," J. Appl. Phys., vol. 83, p. 1270, Feb. 1998.
93. S. Ishihara, M. Tsuji, A. Sugimura, and K. Hattori, "Dependencies of the surface anchoring energy on the molecular structures of liquid crystals and alignment layers," Trans. IEICE, vol. J83-C, no. 2, pp. 151-159, Feb. 2000.
94. K. H. Yang, "Two-domain twisted nematic and tilted homeotropic liquid crystal displays for active matrix applications," in Dig. IDRC91, Oct. 1991, p. 68.
95. I. Mori, T. Araki, H. Ishii, Y. Ouchi, K. Seki, and K. Kondo, J. Electron Spectrosc. Relat. Phenom., vol. 78, p. 371, 1996.
96. T. J. Scheffer and T. Nehering, "Accurate Determination of liquid-crystal tilt bias angles," J. Appl. Phys., vol. 48, no. 5, p. 1783, 1977.
97. B. B. Kosmowaski, M. E. Becker, R. A. Cremers, and D. A. Mlyn, Mol. Cryst. Liq. Cryst., vol. 72, p. 17, 1981.
98. H. Mada and H. Suzuki, Jpn. J. Appl. Phys., vol. 26, p. L1092, 1987.
99. H. Mon, Y. Itoh, Y. Nishiura, T. Nakamura, and Y. Shinagawa, "Optical Performance of a novel compensation film for wide-viewing-angle TN-LCDs," in Dig. IDW96, vol. 1, Nov. 1996, p. 189.
100. C. Benecke, H. Seiberle, and M. Schadt, "Determination of director distributions in liquid crystal polymer-films by means of generalized anisotropic ellipsometry," Jpn. J. Appl. Phys., vol. 39, pp. 525-531, Feb. 2000.
101. I. Dozov, Ph. Martinot-Lagarde, E. Polossat, I. Lelidis, M. Giocondo, and G. Durand, Proc. SPIE, vol. 3015, 1997, pp. 61-69.
102. T. Uchida, M. Ohgawara, and Y. Shibata, "Liquid crystal orientation on inorganic surfaces," Mol. Cryst. Liq. Cryst., vol. 98, pp. 149-161, 1983.
103. E. Guyon, P. Pieranski, and M. Boix, "On different boundary conditions of nematic films deposited on obliquely evaporated plates," Lett. Appl. Eng. Sci., vol. 1, p. 19, 1973.
104. F. J. Kahn, G. N. Taylor, and H. Schonhorn, "Surface-produced alignment of liquid crystals," Proc. IEEE, vol. 61, no. 7, pp. 823-828, Jul. 1973.
105. F. Kahn, "The molecular physics of liquid-crystal devices," Phys. Today, vol. 35, no. 5, pp. 66-67, 70-74, May 1982.
106. P. Chatelain, "Sur L'Orientation des Cristaux Liquides par les Surfaces Frotties," Bull. Soc. Fr. Min., vol. 66, p. 105, 1943.
107. H. Seki, Y. Masuda, and T. Uchida, Mol. Cryst. Liq. Cryst., vol. 282, pp. 323-329, 1996.
108. P. A. Castellano, "Surface anchoring of liquid crystal molecules on various substrates," Mol. Cryst. Liq. Cryst., vol. 94, pp. 33-41, 1983.
109. D. C. Flanders, D. C. Shaver, and H. I. Smith, "Alignment of liquid crystals using submicrometer periodicity gratings," Appl. Phys. Lett., vol. 32, no. 10, pp. 597-598, 1978.
110. A. Sugimura, N. Yamamoto, and T. Kawamura, "High surface ordering of nematic liquid crystal using periodicity grating," Jpn. J. Appl. Phys., vol. 20, no. 7, pp. 1343-1344, 1981.
111. M. Nakamura and M. Ura, "Alignment of nematic liquid crystals on ruled grating surfaces," J. Appl. Phys., vol. 52, no. 1, pp. 210-218, Jan. 1981.
112. E. S. Lee, T. Uchida, M. Kano, M. Abe, and K. Sugawara, "Control of the LC alignment using a stamped morphplogy method and its application to LCDs," in Dig. SID93, May 1993, pp. 957-960.
113. H. Aoyama, Y. Yamazaki, N. Matsuura, H. Mada, and S. Kobayashi, "Alignment of liquid crystals on the stretched polymer films," Mol. Cryst. Liq. Cryst., vol. 72, no. 4, pp. 127-132, 1981. (Letters).
114. J. E. Proust, L. Ter-Minassian-Saraga, and E. Guyon, "Orientation of a nematic liquid crystal by suitable boundary surfaces," Solid State Commun., vol. 11, pp. 1227-1230, 1972.
115. K. Hiltop and H. Stegemeyer, "Contact angles and alignment of liquid crystals on lecithin monolayers," Mol. Cryst. Liq. Cryst., vol. 49, pp. 61-65, 1979. (Letters).
116. S. Naemura, "Measurement of anisotropic interfacial interactions between a nematic liquid crystal and various substrates," Appl. Phys. Lett., vol. 33, no. 1, pp. 1-3, Jul. 1978.
117. M. Oh-e, M. Isogai, and T. Kitamura, "X-ray studies on layer structure and bistability in ferroelectric liquid crystals," Liq. Cryst., vol. 11, no. 1, pp. 101-109, 1992.
118. E. Itoh and M. Iwamoto, "Electronic Density of state in metal/polyimide Langmuir-Blodgett film interface and its temperature dependence," J. Appl. Phys., vol. 81, no. 4, pp. 1790-1797, Feb. 1997.
119. N. Mino, K. nakajima, and K. Ogawa, "Control of molecular tilt angles in oriented monolayers deposited by a chemical adsorption technique and application of the monolayers as an alignment film," Langmuir, vol. 7, no. 7, pp. 1468-1472, 1991.
120. Y. Kawata and Y. Mori, "Alignment of nematic liquid crystals on stripped film layer.," in Proc. 20th Jpn. Liq. Cryst. Conf., Oct. 1994, pp. 256-257.
121. _, "Alignment of nematic liquid crystals on surface of stripped film layer Vol.II," in Proc. 21st Jpn. Liq. Cryst. Conf., Sep. 1995, pp. 348-349.
122. K. Hiroshima, T. Maeda, and T. Furihata, "A rubbingless aligning treatment by using liquic crystal molecules adsorbed in a magnetic field," in Dig. IDRC92, 1992, pp. 831-834.
123. N. Koshida and S. Kikui, "Magnetic Field assisted alignment of nematic liquid crystal on a polymeric surface," Appl. Phys. Lett., vol. 40, no. 6, pp. 541-542, Mar. 1982.
124. R. Akiyama, W. Sakata, M. Kishino, M. Murata, and K. Tanaka, "Monodomain alignment of liquid crystals without rubbing treatment," in Proc. 19th Jpn. Liq. Cryst. Conf., Sep. 1993, pp. 94-95.
125. S. Hachiya, K. Tomoike, K. Yuasa, S. Togawa, T. Sekiya, K. Takahashi, and K. Kawasaki, "Ferroelectric Liquid-crystalline polymers and their application to display devices," J. SID, vol. 1, no. 3, pp. 295-299, 1993.
126. Y. Iimura, T. Saitoh, S. Kobayashi, and T. Hashimoto, J. Photopolymer Sci. and Tech., vol. 8, p. 257, 1995.
127. M. S. Nam, "Wide-viewing-angle TFT-LCD with photo-aligned four-domain TN mode," in Dig. SID97, May 1997, p. 933.
128. D. Shenoy, K. Gruenenberg, J. Naciri, M.-S. Chen, and R. Shashidhar, "A photo-dimerized monolayer as a non-rubbed alignment layer for LCDs," in Dig. SID98, May 1998, p. 730.
129. M. Schadt, Nature, p. 212, 1996. Vpl.381.
130. A. Lien, R. A. John, M. Angelopoulos, K. W. Lee, H. Takano, K. Tajima, and A. Takenaka, "UV modification of surface pretilt of alignment layers for multidomain liquid crystals displays," Appl. Phys. Lett., vol. 67, no. 21, pp. 3108-3110, 1995.
131. J. Lu, S. V. Deshpande, E. Gulari, J. Kanicki, and W. L. Warren, "Ultraviolet light induced changes in polyimide liquid-crystal alignment films," J. Appl. Phys., vol. 80, no. 9, pp. 5028-5034, Nov. 1996.
132. J. West, Z. Wang, Y. Ji, and J. Kelly, "Polarized UV-exposed polyimide films for liquid-crystal alignment," in Dig. SID95, vol. 206, May 1995, p. 703.
133. M. Schadt, A. Schuster, and H. Seiberle, "Optical component and method of manufacture," U.S. Patent Nr.6 160 597, priority date, Sep. 26, 1996.
134. Japanese TN-LCD Patent 1319273, based on Swiss TN-LCD Patent 532261 with priority of, Dec. 4, 1970.
135. H. Kawakami and Y. Yoneda, Jpn. Inst. Electron. Inf. Eng., vol. 73, p. 25, 1974.
136. K. Sakamoto, R. Arafune, N. Ito, S. Ushioda, Y. Suzuki, and S. Morokawa, "Molecular orientation of rubbed and unrubbed polyimide films determined by polarized infrared absorption," Jpn. J. Appl. Phys., vol. 33, p. L1323, Sep. 1994.
137. M. Schadt, "Photo-alignment and patterning of liquid-crystal displays," Inf. Display, vol. 12, no. 4, pp. 14-18, 1997.
138. H. Mon, Y. Itoh, Y. Nishiura, T. Nakamura, and Y. Shinagawa, "Performance of a novel optical compensation film based on negative birefringence of discotic compound for wide-viewing-angle twisted-nematic liquid-crystal displays," Jpn. J. Appl. Phys., vol. 36, p. 143, 1997.
139. E. Hoffmann, H. Klausmann, E. Ginter, P. M. Knoll, H. Seiberle, and M. Schadt, "Development of a dual-domain TFT-LCD by optical patterning," in Dig. SID98, 1998, p. 734.