Abstract: A reflective liquid crystal display device, employing a single polarizing film comprises a liquid crystal element (20) comprised of a twist aligned nematic liquid crystal layer (6) sandwiched between a first substrate (1) thereof, provided with a reflector (7) and first electrodes (3) and a second substrate (2) thereof, provided with second electrodes (4), a twisted retardation film (12) deposited on the outer side (the visible side) of the second substrate (2) of the liquid crystal element (20), further a retardation film (13), and a polarizing film (11) which are sequentially deposited in that order on the outer side of the retardation film (12). As a result, reflective display bright and in high contrast can be effected.

Abstract: Imidazole derivatives of the formula (1) or salts thereof, pharmaceuticals containing the derivatives or the salts, and intermediates for the synthesis of the derivatives or the salts (wherein R1 is lower alkyl; R2 is alkyl or aralkyl; and X1 is halogeno). These compounds exhibit G-CSF-like activities and can be substituted for G-CSF preparations.

Abstract: A liquid crystal shutter of this invention comprises a liquid crystal element holding a nematic liquid crystal, of 180° to 260° in twist angle, between a pair of substrates, a pair of polarizing plates sandwiching the liquid crystal element, and a retardation film inserted between the liquid crystal element and one polarizing plate. The angle formed by the absorption axes of the polarizing plates is set in the range of 80° to 100°, the angle formed between the absorption axis of one of the polarizing plates and the direction of the central liquid crystal molecule of the liquid crystal element is set in the range of 40° to 60°, and the delay axis of the retardation film is arranged substantially parallel to the alignment direction of the central liquid crystal molecule of the liquid crystal element.

Abstract: With a liquid crystal display device comprising an STN liquid crystal element (20) comprised of 200° to 260° twist aligned nematic liquid crystal (6) sandwiched between a first substrate (1) thereof, provided with a reflector (7) and first electrodes (3), and a second substrate (2) thereof, provided with second electrodes (4), a retardation film (12), and a polarizing film 11 that are disposed on the outer side of the second substrate (2) of the STN liquid crystal element, black display of low reflectance can be obtained_in all wavelength regions, thereby enabling bright display in high contrast to be effected by setting a &Dgr;nd value of the STN liquid crystal element 20 indicating a birefringent tendency thereof in a range of 0.7 to 0.8 &mgr;m, a retardation value indicating a birefringent tendency of the retardation film (12) in a range of 0.35 to 0.

Abstract: A reflection-type liquid crystal display device of single polarizing film type, comprises a liquid crystal element (20) comprised of twisted nematic liquid crystal (6) sandwiched between a first substrate (1) provided with a reflector (7) and first electrodes (3), and a second substrate (2) provided with second electrodes (4), and a twisted retardation film (12), a first retardation film (13), a second retardation film (14), a polarizing film (11) that are disposed in sequence on the outer side of the second substrate (2), so that black display having a low reflectance is obtained over the all-wavelength region, thereby effecting bright display in high contrast.

Abstract: A liquid crystal display device capable of displaying in multiple colors, and a method for driving the liquid crystal display device using a typical monochrome liquid crystal driving IC. A display portion of a birefringence color liquid crystal display device has a usual letter display portion (41) for displaying letters in a single color and a mark display portion (42) for displaying a variety of colors. A liquid crystal cell is driven by supplying scanning signals to scanning electrodes for the letter display portion (41) and data signals to scanning electrodes for the mark display portion (42).

Abstract: A reflection-type color liquid crystal display device comprises: an STN liquid crystal cell (20) having nematic liquid crystal (6), which is aligned at a twist angle of 180° to 270°, sandwiched between a transparent first substrate (1) having first electrodes (3) and a transparent second substrate (2) having second electrodes (4), in which the first substrate or the second substrate is provided with a color filter (7) of a plurality of colors; an absorption-type polarizing film (11) placed on the visible side of the second substrate (2) over a retardation film (12); and a diffusing layer (13), a reflection-type polarizing film (14), and a light absorbing layer (15) arranged in order on the other side of the visible side of the first substrate (1). Accordingly, a bright color display with high contrast and excellent colors can be realized.

Abstract: A nematic liquid crystal (6) with twisted alignment is held between a first substrate (1) having a first electrode (3) and a second substrate (2) having a second electrode (4) to constitute a liquid crystal cell (20), an upper polarizer (11) is provided outside the second substrate (2) at a visible side thereof, a lower polarizer (12) and a scattering layer (9) are provided outside the fist substrate (1) at a side opposite to the visible side of the liquid crystal cell (20), and outside them, a light guide film (8) of side light type and a reflector (7) are placed in order. The light guide film (8) is a light guide film with a light scattering property in which particles with a scattering property are mixed, and each of the scattering layer (9) and the light guide film (8) has a property of scattering incident light while substantially maintaining a polarizing state thereof.

Abstract: A transflective liquid crystal display device comprising a liquid crystal element (20) composed of nematic liquid crystal (6) sandwiched between a first substrate (1) and a second substrate (2), and a transflective layer (7) installed on the inside of the first substrate (1), a first polarizing film (11) disposed on the outside of the second substrate (2) of the liquid crystal element, a second polarizing film (17) and a backlight (16), disposed in sequence on the outside of the first substrate (1) wherein the transflective layer (7) is a thin film of metal such as aluminum, having transparent portions (9) formed by means of anodic oxidation.

Abstract: An STN liquid crystal element, formed to sandwich a nematic liquid crystal 6 twist-aligned at an angle ranging from 180 degrees to 270 degrees between a first substrate 1 having a first electrode and a second substrate 2 having a second electrode, is disclosed A polarizing film is disposed outside the second substrate of the STN liquid crystal element through a retardation film or a twisted retardation film, a cholesteric liquid crystal polymer sheet is disposed outside the first substrate through a retardation film for circularly polarized light, and a light absorbing film is disposed outside the cholesteric liquid crystal polymer sheet, to thereby form a liquid crystal display device which enables metallic color display.

Abstract: To provide a colorful timepiece capable of displaying in multiple Dolors at a low power consumption and with a low development cost using a typical monochrome liquid crystal driving IC, a birefringence color liquid crystal display device (17) and a driving module (27) for driving the liquid crystal display device are installed inside a case (25) with a cover glass. A time display portion displaying normal time in a single color and a mark display portion displaying in a plurality of colors, are provided in a display portion of the liquid crystal display device (17). A liquid crystal driving circuit for driving the liquid crystal display device (17) to supply a scanning signal to scanning electrodes for the time display portion and a data signal to data electrodes for the mark display portion, is provided in the driving module (27).

Abstract: A liquid crystal shutter comprises a liquid crystal device including a nematic liquid crystal sealed in between a first transparent substrate and a second transparent substrate on whose inner surfaces are formed respective transparent electrodes, the liquid crystal device having a twisted angle equal to or greater than 180°; and a pair of polarizing plates between which are sandwiched the first transparent substrate and the second transparent substrate, the polarizing films having respective absorption axes (13, 14) which are substantially orthogonal to each other, the absorption axes (13, 14) of the polarizing films being angled within a range of ±40° to ±50°0 relative to a direction (12) in which intermediate liquid crystal molecules are orientated, the direction indicating a direction of orientation of the liquid crystal in the intermediate portion in the direction of thickness of the liquid crystal device.

Abstract: A single color liquid crystal display device is made up of a TN liquid crystal cell 7 with about 90° twisted nematic liquid crystals sealed in-between a pair of transparent substrates 1, 2 having respective transparent electrodes 3, 4, a first polarizing film 17 disposed on the visible side of the TN liquid crystal cell 7, and a second polarizing film 18, a retardation film 6 for circularly polarized light, a cholestric liquid crystal polymer sheet 10, a translucent light absorbing member 15 and a backlight 16 disposed successively on a side of the TN liquid crystal cell 7, opposite from the visible side thereof. With such a constitution, display is rendered visible even at night by lighting up the backlight 16, and colored display in a metallic tone can be indicated.

Abstract: An STN liquid crystal element, formed to sandwich a nematic liquid crystal 6 twist-aligned at an angle ranging from 180 degrees to 270 degrees between a first substrate 1 having a first electrode and a second substrate 2 having a second electrode, is disclosed. A polarizing film is disposed outside the second substrate of the STN liquid crystal element through a retardation film or a twisted retardation film, a cholesteric liquid crystal polymer sheet is disposed outside the first substrate through a quarter-wave film, and a light absorbing film is disposed outside the cholesteric liquid crystal polymer sheet, to thereby form a liquid crystal display device which enables metallic color display.

Abstract: The invention relates to a process for preparing a difluoroacetophenone derivative (4) by alkylthionating a compound (1) into a compound (2) and reacting this compound with a compound (3). wherein X1 is Cl, Br or I, X2 and X3 are independently a halogen atom, H or perfluoroalkyl group, X4 is a halogen atom, R1 is an alkyl, aryl or aralkyl group, and R2 is methyl, ethyl or cyclopropyl group.

Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.

Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.

Abstract: A field-sequential type color display system comprises a light source unit composed of a plurality of color light sources which emit light rays of different wavelengths, respectively, and which can be controlled independently of one another, a light source driving circuit for driving the light source unit, a shutter unit for controlling transmittivity of light rays emitted by the light source unit, and a shutter control circuit for controlling the shutter unit in synchronization with the light source driving circuit, wherein a visual field is composed of a plurality of sub-fields corresponding to the plurality of color light sources of the light source unit, and multicolor display is effected by lighting the color light sources for specific colors, respectively, for each of the sub-fields, and by controlling the shutter unit according to the sub-field.

Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.

Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.