Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1992-03-11
1993-05-04
Sikes, William L.
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 52, 359 63, 359 86, G02F 113
Patent
active
052086879
ABSTRACT:
A liquid crystal device including a liquid crystal layer comprising a liquid crystal of a dispersed type in which molecules of the liquid crystal are randomly distributed. The liquid crystal layer (14) includes a first liquid crystal (16) existing between the orientation layers of the first and second transparent plates and liquid crystal capsules (20) dispersed in the first liquid crystal and including therein a second liquid crystal (18), for preventing light leaking. Also, the liquid crystal panel has a scattering value greater than 1 percent, where the scattering value is defined by a percentage of a ratio of an intensity of light transmitted by the liquid crystal panel to that of the source of the laser beam without a liquid crystal.
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patent: 4685771 (1987-08-01), West et al.
patent: 4688901 (1987-08-01), Albert
patent: 5076668 (1991-12-01), Dalisa et al.
patent: 5093735 (1992-03-01), Doane et al.
Wu et al, "Angular discrimination of light transmission through polymer dispersed liquid crystal films" J. Appl. Phys. vol. 62, No. 9, Nov. 1987.
Hanaoka Kazutaka
Nakamura Kimiaki
Ohashi Makoto
Yoshida Hidefumi
Fujitsu Limited
Mai Huy K.
Sikes William L.
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