Abstract: The invention pertains to anisotropic multilayer thin-film coatings and may be used in fabrication of various optical elements, such as polarizers, beam splitters, interference-polarizing light filters, polarizing mirrors, etc.

Abstract: The invention pertains to devices for presenting information, in particular liquid crystal (LC) displays and may be used in indicatory technology of various purposes. Liquid crystal display, according to the invention, comprises a layer of liquid crystal, situated between two plates, on each of which there have been placed or formed electrodes and at least one polarizer layer, while the electrodes on at least one of the plates are made transparent, and at least one layer of at least one polarizer formed on the inner side of the transparent electrodes on at least one of the plates in the display is the E-type polarizer and made out of at least partially crystalline film of molecularly ordered structure of an organic dye. Situated above the transparent electrodes, local areas of at least one layer of E-type polarizer, formed on the inner side of the transparent electrodes, are modified to enhance their conductivity.

Abstract: An organic light-emitting device (OLED) is provided which comprises a substrate and an organic electroluminescent cell formed on the substrate. The organic electroluminescent cell comprises a first electrode that serves as an anode, a second electrode that serves as a cathode, and at least one light-emitting layer positioned between the anode and cathode. At least one light-emitting layer is an anisotropic electrically conducting layer which has a globally ordered crystalline structure and is comprised of rodlike supramolecules.

Abstract: An optically anisotropic film based on a two-phase polymeric material, and a method for the fabrication is provided. The two-phase polymeric material comprises a polymer matrix and a partially crystalline film of ordered, immobilized, organic molecules. The polymer matrix provides desired mechanical properties while the crystalline film provides desired optical properties of the fabricated material.

Abstract: The present invention relates to an anisotropic films and method for obtaining the same. The film comprises substrate and at least one modified conjugated aromatic crystalline layer deposited onto said substrate. The said layer is characterized by globally ordered crystalline structure with intermolecular spacing of 3.4±0.3 Å along one of optical axes. The modified conjugated aromatic crystalline layer is formed by rodlike supramolecules, which comprise at least one polycyclic organic compound with conjugated &pgr;-system. At least part of the modified conjugated aromatic crystalline layer has electric conductivity and is slightly soluble or insoluble in polar solvents. The films are useful in optical applications, such as polarizers and retarders, and in electronic and light emitting devices, such as fiber optics modulators and switches, solar cells, charge-coupled device (CCD), thin film transistor integrated circuits, light emitting diodes, and light emitting displays.

Abstract: The invention pertains to displays and devices, and discloses designs of a multilayer plate, which may be used in the manufacture of displays, and a design of a display with internal polarizers.

Abstract: An organic optoelectronic device is provided which comprises a multi-layer structure and a substrate. The multi-layer structure is comprised of a first electrode layer, a second electrode layer, and at least one organic photoelectric layer. The organic photoelectric layer is an anisotropically absorbing and electrically conducting layer and comprised of rodlike supramolecules which comprise at least one polycyclic organic compound with a conjugated &pgr;-system, has a globally ordered crystal structure with an intermolecular spacing of 3.4±0.3 A along a polarization axis of the organic photoelectric layer, and absorbs electromagnetic radiation in a predetermined spectral subrange of approximately 200 to 3000 nm. The multi-layer structure is formed on one side of the substrate. At least one of the first and second electrodes is transparent for the electromagnetic radiation to which the optoelectronic device is sensitive.

Abstract: A multilayer plate is provided comprising an optically transparent substrate, a protective layer, a conducting layer, and at least one anisotropic thin crystal film. The anisotropic thin crystal film is made of a substance containing aromatic rings and possessing a structure with an interplanar spacing of 3.4±0.2 Å along one of optical axes. The thin crystal film is situated between the substrate and the conducting layer and is separated from the conducting layer by the protective layer. The transmission of the multilayer plate for UV radiation does not exceed 1% at any wavelength below 380 nm.

Abstract: There is disclosed an optical anisotropic film which includes at least one anisotropic crystalline layer comprising a substance whose molecules contain aromatic rings and form a lattice and at least one transparent layer. The relative refractive index n satisfies the condition 2n2<no2+ne2 where no and ne, are the refractive indices of the crystalline layer for ordinary and extraordinary rays respectively.

Abstract: The present invention pertains to the field of electronic devices and essentially relates to smart cards (electronic cards) including a display that comprises a liquid-crystal indication element with an internal polarizer. This invention also relates to a method for manufacturing this card. The purpose of this invention is to simplify the structure of the electronic card, to provide a single process for manufacturing the card together with the display, to reduce the thickness of the card, to improve the mechanical strength, the manufacturability and the economical characteristics of said card and to increase its reliability.

Abstract: An electrooptical device is provided comprising at least one substrate, at least one pair of electrodes and at least one layer of an electrooptical material. The electrooptical material represents an optically anisotropic thin crystal film and contains molecules having aromatic rings and possessing a lattice with an interplanar spacing (Bragg's reflection) of 3.4±0.2 {acute over (Å)} along one of optical axes. The electrooptical material has anisotropic refractive indices and/or anisotropic absorption coefficients that are depended on an electric field strength.

Abstract: The invention pertains to the methods of obtaining anisotropic crystalline films and to devices for carrying out the methods. A colloidal system with anisometric particles is applied as a film onto the surface of a substrate while the viscosity of the colloidal system is lowered. The particles of the colloidal system with lowered viscosity are oriented and the original viscosity of the colloidal system is restored. The film is then dried. The drying is carried out under controlled conditions. Zones of the dried film may be progressively heated to improve the film characteristics.

Abstract: The invention pertains to the field of fabrication of devices of various purposes, which use anisotropic films: polarizers, retarders, etc., as well as technology of obtaining coatings with anisotropy of electric conductivity, magnetic properties, thermal conduction and other physical properties.

Abstract: The present invention relates to heat-resistant and plarizers that use thin films of dichroic organic substances, mainly dichroic dyes applied on the surface of rigid or flexible substrates in which the molecules of the dichroic organic substance are arranged in the form of a crystalline grid. The purpose of this invention is to widen the spectral range of the polarizer operation while improving polarization characteristics. This dichroic polarizer includes a film having a portion at least consisting of a crystalline structure that comprises at least one dichroic organic substance, wherein the molecules or molecule fragments of this substance have a planar morphology. The dichroic substance consists of a dichroic substance having at least one crest on the spectral absorption curve within spectral ranges of 400 to 700 nm and/or 200 to 400 nm and 0.7 to 13 &mgr;m.

Abstract: A liquid crystal display is provided which comprises front and rear panels, and electrodes, polarizers and a layer of liquid crystal disposed between the front and rear panels. The polarizer on the rear panel is preferably a reflecting type in at least one region of the spectrum and contains at least one element in the form of a multilayer structure. The multilayer structure contains at least two anisotropic layers separated by at least one intermediate layer which is optically transparent in the desired spectral region. The ratio of refraction indices and thickness of the layers in the multilayer structure is chosen such to provide an extremum for the ratio of the transmitted and reflected polarized light in the spectral region.

Abstract: The invention pertains to information displays, in particular to liquid-crystal (LC) displays that can be used in indicatory devices of various types as well as in optical modulators, matrix systems of light indication, etc.

Abstract: This invention pertains to technology of fabricating thin films featuring anisotropic properties such as: optical, magnetic, electric conductivity and others. In particular, this invention is related to devices for obtaining polarizing films from liquid-crystalline solutions of organic materials, for example organic dyes. The disclosed method and device permits the fabrication of anisotropic films from liquid-crystalline solution with high characteristics and high degree of perfection of the oriented structure with significant reproducibility of results. The device makes use of a mechanical element for receiving and guiding the liquid crystal solution onto a substrate and then providing an orienting action to the kinetic elements as they are delivered.

Abstract: Optical waveguides of the type which include a light-transmitting core and a cladding layer in said core. The optical waveguide can be planar or cylindrical such as an optical fiber. The optical waveguide is provided with an additional coating of highly biaxial or uniaxial crystalline material with different refraction indices in different directions.

Abstract: A liquid crystal display has a first substrate plate and a second substrate plate, and a liquid crystal layer disposed between the plates. A polarizing coating, having molecules of one or more organic dyes capable of forming a lyotropic liquid crystalline phase, is formed overlying a selected surface of each plate. Orientation of the polarizing coating is obtained by applying a force to the dye molecules when in the liquid crystal phase and subsequently converting the liquid crystal phase to a solid film.

Abstract: The invention pertains to thermo-resistant and light-resistant dichroic polarizers based on thin films of dichroic matters, in particular organic dyestuffs, in which molecules are ordered in a crystalline structure and applied on the surface of the substrate. The dichroic polarizer is characterized by the fact that it contains at least one anisotropically absorbing film comprised of oriented molecules.