摘要:
The present invention relates to a device for generating light signals, in particular traffic lights. The device according to the invention contains a housing with at least one opening, which is closed by a plate, the absorption of which can be controlled electrically, there being located in the interior of the housing behind the opening a diffuser element, which reflects incident light through the plate. Preferred switched states of the plate are either black (absorption over the entire spectral region of visible light) and colored transparent (slight absorption in specific spectral regions) or transparent (no absorption over the entire spectral region of visible light). The device according to the invention is used to generate light signals by virtue of the fact that the ambient light strikes the plate and, depending on switched state, is absorbed entirely, partially or not at all by the plate. The light fraction transmitted through the plate is reflected by the diffuser plate located behind the plate and transmitted a second time through the plate, and can then be perceived from outside.
摘要:
Electrochromic display device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film or both plates or films is/are provided on one side each with an electrically conducting coating. At least one plate or film and its conductive coating is transparent. On at least one of the two plates or films, the electrically conductive layer is divided into separate segments which are individually connected to a power source and each has an electric lead from the edge of the device. The plates or films are joined via a sealing ring on the sides on which they are conductively coated. The volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium. The electric leads to the segments are electrically insulated from the electrochromic medium. Methods for producing an electrochromic display device in which the segments and their power leads are first produced by removal of material from a continuous conductive coating or are applied to the plates or films and the electrically insulating layer is subsequently applied to the power leads. Method of operating an electrochromic display device in which the display device is operated using a constant, pulsed or variable-amplitude DC potential or using an AC potential.
摘要:
The invention relates to an electrochromic contrast plate which is either arranged as a discrete unit in front of the screen or is connected to the outer surface of the screen through a common sheet, consisting of a pair of transparent glass or plastic sheets which are provided, on one side each, with an electroconductive, transparent coating, and which are joined together on the sides of their conductive coating via a sealing ring, and in which the volume formed by the two sheets and the sealing ring is filled with an electrochronic medium, characterized in that the electrochromic medium is a liquid, a gel or a polymer. The invention furthermore relates to an electrochromic contrast plate with integrated touch screen which has a larger base area than the area of the screen, and, at at least one of the faces of the outer sheet (outer plate) of the electrochromic contrast plate, a radiation source is arranged whose light enters the outer plate and illuminates it, and, at the inner sheet (carrier plate), in the region which projects beyond the screen area, a photodetector is mounted in whose photosensitive solid-angle region part or all of the carrier plate is located, if it projects beyond the screen area. The invention furthermore relates to electrochromic side-chain oligomers or polymers which can be used as electrochromic media.
摘要:
The invention describes an electrochromic display element in the form of an electrically dimmable mirror, an optical filter having an electrically alterable transparency or a display element which contains an electrochromic liquid between two electrode sheets, where at least one of the electrode sheets is transparent and has a transparent, electrically conductive layer and the transparent electrode sheet has a pattern of strips or grid made of a material having metallic conductivity in order to produce a uniform coloration of the electrochromic liquid.
摘要:
An electrochromic device comprising a pair of glass or plastic plates or plastic films of which at least one plate or film, preferably both plates or films, are provided on in each case one side with an electrically conductive coating, of which at least one plate or film and its conductive coating is transparent, of which the other may be mirrored, and of which in the case of at least one of the two plates or films the electrically conductive layer can be divided into separate, individually contacted area segments and the conductive coatings can be connected at at least one point to an electrical conductor, where the plates or films are joined together via a sealing ring on the sides of their conductive coating, and the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium which comprises at least one reducible electrochromic compound OX2 and at least one oxidizable electrochromic compound RED1, in which the electrochromic medium also comprises a further reducible or an oxidizable electrochromic compound OX3 or RED3 respectively whose reduction or oxidation potential respectively has a value which is not greater than the reduction potential of OX2 or the oxidation potential of RED1, is distinguished by improved switching behavior.
摘要:
Homopolymers suitable for storage of information provided optically are disclosed. The are formed from monomers which contain groupings which are at least trinuclear, which are capable of absorbing the electromagnetic radiation of visible light, and which are structured so that in their thermodynamically stable state they are distended and strongly anisometric, wherein the at least trinuclear groupings comprise at least one electron-attracting substituent which gives rise to a dipole moment which forms an angle of at least 20° with the longitudinal axis of the at least trinuclear groupings, wherein the at least trinuclear groupings contain at least one nucleus-linking group which is suitable for a photo-induced change in configuration, wherein said group is selected from the set consisting of
摘要:
Side-group polymers whose permanently shape-anisotropic side groups carry lateral substituents are particularly suitable, owing to their excellent properties, for optical components which can be employed, in particular, in optical data storage and transfer.
摘要:
The invention relates to an electrochromic device having (a) a pair of glass or plastic plates or plastic films wherein at least one such plate or film is provided on one side each with an electrically conductive coating, wherein (1) at least one such plate or film and its conductive coating is transparent, (2) the other such plate or film and its conductive coating is optionally mirrored, (3) the electrically conductive layer of one or both of the two plates or films is optionally divided into separate segments optionally provided with individual contacts, and (4) the plates or films are joined on the sides of their conductive coating by means of a sealing ring to form a volume; and (b) the volume formed by the two plates or films and the sealing ring is filled with an electrochromic medium containing certain dihydronaphthazines or dihydrophenazines.
摘要:
This invention relates to UV-protected electrochromic solutions suitable for use in electrochromic devices and containing at least one oxidizable substance RED1 and at least one reducible substance OX2 linked by a bridging group and a UV absorber component.