Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1994-01-25
1996-05-28
Gross, Anita Pellman
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 51, 359 52, 359 54, 359 79, G02F 1136, G02F 11333, G02F 11343
Patent
active
055217311
ABSTRACT:
The invention increases the aperture ratio of a reflective type liquid crystal display device and raises the display quality. First conductor layers are formed in a band on a surface of a substrate, and insulator layers are formed on the surface thereof. Second conductor layers are formed on the insulator layers. The first conductor layers, insulator layers, and second conductor layers are so-called MIM elements and the first conductor layers are also signal wirings. The second conductor layers are also reflectors and pixel electrodes. Such substrate is disposed on substrate on which band-shaped counter electrodes are formed through a liquid crystal layer containing dichroic pigment or a high molecular resin layer dispersing liquid crystal.
REFERENCES:
patent: 4632514 (1986-12-01), Ogawa et al.
patent: 4671642 (1987-06-01), Ohkubo et al.
patent: 5289300 (1994-02-01), Yamazaki et al.
patent: 5321536 (1994-06-01), Ishii et al.
White et al, "New Absorptive Mode Reflective Liquid-Crystal Display Device", Journal of Applied Physics, vol. 45, No. 11, Nov. 1974, pp. 4718-4723.
Koizumi et al, "Reflective Multicolor LCD (II): Improvement in the Brightness", Proceedings of the SID, vol. 29/2, 1988, pp. 157-160.
Fukuyama Toshiaki
Ishimoto Yoshihisa
Kishida Masahiro
Yoshimizu Toshiyuki
Abraham Fetsum
Gross Anita Pellman
Sharp Kabushiki Kaisha
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