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Article type: Cover
Pages
Cover1-
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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Article type: Index
Pages
Toc1-
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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Yasuyuki Kikuchi
Article type: Article
Pages
1-6
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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The American business times are very good and it is continuously growing up and they are keeping good for both production and consumption. SAE display session had reported the only 5 papers (Including three Japanese company). There were, reflected a prosperous condition of Automotive industry, almost full exhibitor on the floor and there were many loudly presentation type.
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M. Akatsuka, H. Gushikata, T. Fukui, M. Ohgawara, S. Unayama, Y. Hirai
Article type: Article
Pages
7-12
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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We have developed a 1 DIN size color STN display for automotive application. It shows high contrast ratio, vivid color and wide viewing angle. As the display module size is 1 DIN, it is suitable for the center console information such as VICS (Vehicle Information and Communication System) and FM multi-information broadcasting system. As this is a simple matrix LCD, it has a cost merit compared with TFT LCDs. We believe this 1 DIN size color display will be widely used for the car information display application of the future.
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Kimio Amemiya, Takashi Nishio
Article type: Article
Pages
13-18
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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In a co-planar structured ac-plasma display panel, a "weak discharge"condition is possible. This condition is defined by a low luw luminous discharge occuring in close proximity to the sustain electrode gap. By creating a "weak discharge" at the electrode gap during the address-discharge period, it is possible to select cells keeping a black luminous level low. In sustain-discharge period, the weak discharge will expand to the full electrode area with in a few pulses. This means that the contrast ratio between the black and white luminous level will be high. For a cell with a 500 μm sustain electrode, where each of the 8 sub-fields is resetted, we have attained contrast ratio of 150 : 1.
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Kazuhiro Wako, KwanYoung Han, Takahiro Oshima, Tatsuo Uchida
Article type: Article
Pages
19-24
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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In order to clarify the detailed mechanism of rubbing process on the polymer surface, we have observed the rubbed polymer surface by only one fiber in order to simplify the ordinary rubbing process in which overlapping of the rubbing complicates the surface structure. In this experiment, we varied the pitch of the microgroove by using one-fiber-rubbing and observed the alignment distribution of liquid crystal molecule on the rubbed and unrubbed area of polymer surface in detail. And we analyzed the result theoretically from a point of the relation between the alignment distribution and the anchoring strength using the ratio of total rubbed area in unit area. As the result, we clarified that the change of anchoring strength accompanying the change of rubbing condition embracing the pressure length can be explained inclusively using the ratio of rubbed area parameter.
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Rumiko YAMAGUCHI, Akira SATO, Susumu SATO
Article type: Article
Pages
25-30
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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Homogeneous Liquid crystal alignment can be obtained on a poly (vinyle cinnamate) (PVCi) film by liniarly polarized UV light irradiation. When the PVCi film was irradiated several times with different polarization direction of UV light, the slow axis of the film and the easy axis of the liquid crystal change and they are influenced by the last condition of the UV irradiation. An optical writing is demonstrated in the Gest-Host and twisted nematic cells with PVCi coated substrates. Moreover, aligning properties of many kinds of nematic liquid crystals are investigated on rubbed and/or UV irradiated PVCi surfaces. Almost all of liquid crystals align perpendicular to the rubbing direction except MBBA.
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F. Fujishiro, K. Hiroshima
Article type: Article
Pages
31-36
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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The viewing angle of the TN mode is narrow, then various methods are proposed. The amorphous TN (a-TN)-LCD has a relatively wide viewing angle. But its contrast is slightly low. Magnetically oriented liquid crystalline adsorbate (MOLCA) treatment could change the LC aligning order, by choosing strength and direction of the magnetic field. Effects of the LC order on the viewing angle characteristics of TN and a-TN modes were studied, experimentally. By changing the order, the viewing angle profiles were greatly changed and improved. This improvement is due to fluctuation in the twist and/or tilt angles of the bulk texture induced by decreasing the LC order at the substrate surface.
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Teruaki Suzuki, Shinichi Nishida, Masayoshi Suzuki, Setsuo Kaneko
Article type: Article
Pages
37-41
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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We have found that extraordinary domains that appear around the bottom edges of driving electrodes and grow forward to the central area degrade the picture quality and reliability of in-plane-switching mode TFT-LCDs. We have made physical analysis on such domains, and shown an effective method for preventing them with a novel electrode design.
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Yasuaki Muto, Hiroshi Noguchi, Satoshi Kitao, Takao Kawaguchi, Susumu ...
Article type: Article
Pages
43-48
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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We have developed projection display using Ferroelectric Liquid Crystal Light Valve (FLV), which is a spatial light modulator, and examined high definition picture technology. As a result, the projection display has realized the highest level of resolution, brightness and color reproduction in large-screen projection display, with the resolution of 1,100TV lines at the center of 16 : 9 aspect ratio screen, the brighness of over 2,000 lumens with white raster, and the white balance adjustment of 0.01 in u, v coordinate of CIE chromaticity.
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Article type: Appendix
Pages
App1-
Published: June 13, 1997
Released on J-STAGE: June 23, 2017
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