Abstract: An ink composition containing a colorant, a humectant, water, and a water-soluble substance that begins to be condensation-polymerized as the water evaporates is ejected such that drops of the ink composition are adhered onto a print material 41 whose surface is acidic, whereby an image is formed on the print material 41.

Abstract: In an ink composition used for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that begins to be condensation-polymerized as the water evaporates, a condensation-polymerization accelerating agent for accelerating the condensation-polymerization of the water-soluble substance is further contained.

Abstract: In a developing device of the present invention for depositing toner on an image carrier to thereby develop a latent image formed thereon, a toner refilling device is configured to refill, when the toner is short, fresh toner at a position where the developing device is situated.

Abstract: An ink composition containing a colorant, a humectant, water, and a water-soluble substance that begins to be condensation-polymerized as the water evaporates is ejected such that drops of the ink composition are adhered onto a print material 41 whose surface is acidic, whereby an image is formed on the print material 41.

Abstract: In an ink composition used for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that begins to be condensation-polymerized as the water evaporates, a condensation-polymerization accelerating agent for accelerating the condensation-polymerization of the water-soluble substance is further contained,

Abstract: In a developing device of the present invention for depositing toner on an image carrier to thereby develop a latent image formed thereon, a toner refilling device is configured to refill, when the toner is short, fresh toner at a position where the developing device is situated.

Abstract: A method of forming a colored image on a heat resistant solid surface by use of a toner-image-layer-bearing image formation medium; a method of forming the toner-image-layer bearing image formation medium; inorganic toners for the formation of inorganic toner image for proposed.

Abstract: A compensator for liquid crystal display which is composed of:a light transmitting base;an alignment layer formed on said base; anda film formed on said alignment layer by a liquid crystalline polymer which exhibits a twisted nematic orientation in the state of liquid crystal and which assumes the state of glass at a temperature below the liquid crystal transition point thereof.

Abstract: The present invention provides a compensator for liquid crystal display comprising a light transmitting base, an alignment layer formed on the base, and a film formed on the alignment layer by a liquid crystalline polymer which contains as a main component a polyester consisting essentially of structural units (A) and (B) represented by the following formulae: ##STR1## (B) --O--R--O-- where R represents a straight chain or branched, divalent, aliphatic hydrocarbon group having 2 to 20 carbon atoms in which the hydrogen atoms may be substituted by halogen, phenyl, or alkoxy.

Abstract: A liquid crystal display cell comprising a pair of flexible polymer film substrates having a transparent electrode disposed on the surface thereof and a liquid crystal material sandwiched therebetween. The transparent electrode is a metal oxide film which has a surface resistivity of not greater than 100 ohm per square, a bending property of not greater than 2.0, a curling degree, H, of 0<H<5 mm and a transmittance to light of 550 nm of not less than 75%. Further, this metal oxide is substantially amorphous, and is formed by a DC sputtering method.

Abstract: Disclosed herein is a liquid crystal display device comprising (1) a liquid crystal cell wherein a liquid crystal layer comprising a liquid crystal component having positive dielectric anisotropy is sandwiched between a pair of substrates having at least one electrode, (2) a pair of polarizers arranged to sandwich the liquid crystal layer therebetween and (3) a birefringence layer provided between the liquid crystal layer and the polarizer on at least one side of the liquid crystal layer, wherein the angle formed between the maximum refractive index direction in the birefringence layer face and the direction of transmission axis or absorption axis of polarizer adjacent to the birefringence layer is not more than 5.degree..

Abstract: A liquid crystal display device, comprising:(a) a liquid crystal layer disposed between a pair of light permeable substrates, an alignment of a liquid crystal of said liquid crystal layer being substantially horizontal relative to said substrates in the absence of applied voltage, said liquid crystal layer having a twisted structure with a twist angle along a direction of a thickness thereof such that an adequate display is provided without substantially reducing the time dimensional driving;(b) a pair of polarization means disposed on both outsides of said liquid crystal layer; and(c) at least one birefringent medium layer disposed between one side of said liquid crystal layer and the polarization means on said one side of said liquid crystal layer; an optical axis of said birefringent medium layer being inclined toward a polarization axis of the adjacent polarization means, the alignment direction of said liquid crystal on a surface of another side of said liquid crystal layer making an angle from 0.degree.

Abstract: A projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom includes a liquid crystal cell, a first polarization device and a reflection device disposed respectively on the opposite side from the irradiated side of the liquid crystal cell and a second polarization device and optical magnifying means disposed respectively on an optical path of the reflection light reflected by said reflection device and outgoing from said liquid crystal cell.

Abstract: A liquid crystal color display device having a liquid crystal unit, a light source, and a color filter. The liquid crystal unit has a liquid crystal cell having a sealed liquid crystal material and a transparent pixel electrode composed of pixel electrode elements. The liquid crystal unit controls transmission and shutoff of light dependent on image information. The color filter is positioned for passage therethrough of light emitted from the light source. The color filter comprises pixel filters aligned with the pixel electrode elements in the liquid crystal cell. The spectral light transmission ranges of the respective pixel filters and/or the spectral light emission ranges of the light source are determined for improved improving color reproduceability.

Abstract: A color display device has a liquid crystal unit for passing therethrough electromagnetic radiation dependent on image information. The color display device also has a light source including electroluminescent materials or fluorescent materials. The electroluminescent materials and the fluorescent materials are essentially the same, but have different light-emitting mechanisms, i.e., electroluminescence and fluorescence. The light source with the electroluminescent materials is used singly or in combination with a color filter and the liquid cystal unit. The light source with the fluorescent materials is combined with a color filter and the liquid crystal unit. When the light source with the fluorescent materials is used, the amounts of the fluorescent materials for emitting lights in red, green, and blue, the light-emitting efficiencies of the fluorescent materials, and the transmissivities of the color filter for the lights in red, green, and blue are determined to meet certain conditions.

Abstract: A liquid crystal color display device for displaying a color image represented by an applied image signal, including a liquid crystal cell, one or two polarizers, and a fluorescent light-emitting means. The liquid crystal cell and one polarizer disposed on one side thereof, or the liquid crystal cell and the two polarizers sandwiching the same, jointly constitute a switching element responsive to the image signal applied to the liquid crystal cell for passing electromagnetic radiation in a pattern representing the image given by the image signal. The fluorescent light-emitting means has a fluorescent layer and a lamp for generating electromagnetic radition, and may additionally include a color filter. The fluorescent layer is responsive to the electromagnetic radiation from the lamp for emitting chromatic fluorescent light. Where the fluorescent light-emitting means has the color filter, the fluorescent light passes through the color filter to display the image.

Abstract: A layered electrophotographic photoconductor comprising an electroconductive support material and a photoconductive double layer consisting of a charge generation layer comprising a disazo pigment and a charge transport layer comprising a charge transport material which is capable of forming a charge transport complex by reaction with 2,4,7-trinitro-9-fluorenone, the charge transport complex being characterized by the light energy value corresponding to the wavelength of its maximum visible spectral absorption being in the range of 1.6 to 2.1 eV.

Abstract: The present invention provides a layered electrophotographic element which comprises an electroconductive support on which there is a charge generating layer and a charge transfer layer in order, said charge generating layer being consisted essentially of a charge generating agent expressed by the general formula I ##STR1## [wherein A represents ##STR2## (wherein X is selected from the group consisting of benzene ring, naphthalene ring, indole ring, carbazole ring, benzofuran ring and substitutes thereof, Ar.sub.1 is selected from the group consisting of benzene ring, naphthalene ring, dibenzofuran ring, carbazole ring and substitutes thereof, Ar.sub.2 and Ar.sub.3 are selected from the group consisting of benzene ring, naphthalene ring and substitutes thereof, R.sub.1 and R.sub.3 are selected from the group consisting of hydrogen, lower alkyl group, phenyl group and substitutes thereof and R.sub.

Abstract: The present invention provides a photosensitive material for use in electrophotography which is prepared by forming a barrier layer containing a peptide polymer between a conductive support and a photosensitive layer. This photosensitive material impedes unnecessary charge infiltration through the conductive support, maintains an appropriate charge acceptability, imparts an adhesive property of the photosensitive layer in relation to the support or flexibility of the photosensitive material, and prevents deterioration of such characteristics as photosensitivity, residual potential, etc. When some acceptor or donor is additionally mixed in said barrier layer, the electrification property thereof is improved.

Abstract: Derivatives of polyglutamic acid with a molecular weight of from 1,000 to 100,000 and having the following general formula (I) are novel photoconductive substances which are superior in film forming ability and are suitable for use as photoconductors for electrophotographic copying materials:General formula (I) ##EQU1## wherein R represents a polynuclear aromatic or a heterocyclic nitrogen group, each containing up to sixteen carbon atoms, andn is the integer 1 or 2.