摘要:
A holographic recording material comprising a polymer containing vinylcarbazole rings, a cyclic cis-a-dicarbonyl compound capable of forming a radical by irradiation by light and a dye which is able to serve as either a photosensitizer or a spectral sensitizer. A hologram can be obtained by exposing the holographic recording material to an interference pattern of visible electromagnetic radiation to form a holographic interference pattern, subjecting the material to swelling treatment in a first medium, and then subjecting the material to a contraction treatment in a second medium.
摘要:
A phase transition-type liquid crystal composition including a mixture of ester-type liquid crystal compound and chiral nematic liquid crystal compound having added thereto at least one of ethane-type liquid crystal compound and bicyclohexane-type liquid crystal compound. This liquid crystal composition exhibitis an extended with (AV) of voltage hysteresis and therefore a stabilized homoetropic (H') state, when its voltage hysteresis curve is plotted. The liquid crystal display devices or elements using this composition have a fast response characteristic and enable a large scale or area. display and an input operation using keyboards.
摘要:
A storage type liquid crystal composition in which a nematic-cholesteric mesophase transition is utilized and the anisotropy of the dielectric constant is positive, and an X-Y dot-matrix-type storage-type liquid-crystal-display element comprising the composition. The present liquid crystal composition has a low driving voltage and a long memory effect. This composition comprises a cyclohexane-type liquid crystal, an azoxy-type liquid crystal, and a compensated cholesteric liquid crystal and/or cholesteryl oleate.
摘要:
A storage type liquid crystal composition in which a nematic-cholesteric mesophase transition is utilized and the anisotropy of the dielectric constant is positive, and an X-Y dot-matrix-type storage-type liquid-crystal-display element comprising the composition. The present liquid crystal composition has a low driving voltage and a long memory effect. This composition comprises a cyclohexane-type liquid crystal, an azoxy-type liquid crystal, and a compensated cholesteric liquid crystal and/or cholesteryl oleate.
摘要:
A cholesteric-nematic phase transition type liquid crystal with positive dielectric anisotropy is used in a projection type liquid crystal display device. This allows a bright and high information content display with a compact, light, and low cost device and allows machinery input and thus simultaneous display at remote places, such as remote conference rooms or remote notice boards, in bright locations.
摘要:
A phase transition-type liquid crystal composition including a mixture of ester-type liquid crystal compound and chiral nematic liquid crystal compound having added thereto at least one of ethane-type liquid crystal compound and bicyclohexane-type liquid crystal compound. This liquid crystal composition exhibitis an extended with (AV) of voltage hysteresis and therefore a stabilized homoetropic (H') state, when its voltage hysteresis curve is plotted. The liquid crystal display devices or elements using this composition have a fast response characteristic and enable a large scale or area. display and an input operation using keyboards.
摘要:
A cholesteric-nematic phase transition type liquid crystal with positive dielectric anisotropy is used in a projection type liquid crystal display device. This allows a bright and high information content display with a compact, light, and low cost device and allows machinery input and thus simultaneous display at remote places, such as remote conference rooms or remote notice boards, in bright locations.