Abstract: There is disclosed a method for manufacturing a display device arrangement, which includes a plurality of electrochromic pixel devices arranged in a matrix. First a plastic insulating layer is provided comprising passages for electrical conductors. Thereafter, in optional order, electrical conductors are provided in the passages, pixel layers are printed on one side of the insulating layer, and control layers are printed on the other side of the insulating layer. By this method the manufacturing of a printed electrochromic pixel device is improved.

Abstract: An embodiment of the present invention relates to electrochemical devices including an electrochemically active layer having the ability of electrochemically altering its redox state. By providing a portion of an electrode of corrosion resistant material between an electrolyte and an electrochemically active layer, undesired discoloration due to the electrochemical reaction of an electrochemical device is reduced.

Abstract: This invention relates to a printable composition and in particular to a printable composition for application to an electrochromic and/or electrochemical device. The printable electrolyte composition for the production of electrochemical devices comprises: 20-50% by weight, based on the total amount of the composition, of a thermally-curable base which comprises a resin; 20-70% by weight, based on the total amount of the composition, of a solvent; and 10-50% by weight, based on the total amount of the composition, of an electrolyte, wherein the composition has a viscosity of 0.3 Pas or higher.

Abstract: The present invention relates to a wettability switch that comprises an electrochemically active element having a wetting surface with switchable wetting properties. The electrochemically active element comprises an electrochemically active polymer, and surface active molecules each having a lyophobic portion and a lyophilic portion. In the wettability switch, each of said surface active molecules exposes one of said lyophobic portion and said lyophilic portion towards said wetting surface, and the identity of said portion depends on an electrochemical state of said polymer.

Abstract: There is disclosed a method for manufacturing a display device arrangement, which includes a plurality of electrochromic pixel devices arranged in a matrix. First a plastic insulating layer is provided comprising passages for electrical conductors. Thereafter, in optional order, electrical conductors are provided in the passages, pixel layers are printed on one side of the insulating layer, and control layers are printed on the other side of the insulating layer. By this method the manufacturing of a printed electrochromic pixel device is improved.

Abstract: A moisture sensor, for measuring moisture in a building without leaving visible scars to the building surface, is provided. The moisture sensor includes a flexible carrier carrying an antenna for receiving EM-radiation between 9 kHz and 11 MHz and a resonant circuit including a moisture reactive element. The moisture reactive element includes a hygroscopic electrolyte arranged between a first and a second electrode, wherein the electrolyte in the presence of moisture forms mobile ions and provides a complex impedance at least in response to the alternating voltage, which complex impedance varies with the moisture content of the electrolyte.

Abstract: There is disclosed an electrochromic passive-matrix display, wherein each passively addressed pixel cell comprises an electrolyte ionically connecting an electrochromic and electrochemically active polymer and a layer of electrically conducting carbon. Thus, each pixel has a pronounced threshold voltage sufficient for reducing cross talk in an electrochromic display.

Abstract: A method for monitoring a substrate patterning process, where at least two electrodes are used to apply a voltage to the substrate to cause a reaction in a portion of the substrate, that includes recording a current driven by said voltage as a function of time and/or as a function of a position of the substrate or a patterning mask. Also disclosed are a device and a computer program product for monitoring the substrate patterning process.

Abstract: In one embodiment of the present invention, a reading device and a method for determining an identity code is disclosed arranged at a package for a product. At least one embodiment of the present invention is based on capacitive measurements performed in capacitors formed between antennas of the reading device and communication areas of the identity code. The reading device is provided with an antenna or activation element for decoupling or minimizing perturbation signals generated in an electrically conductive foil of the package.

Abstract: A device for integrating and indicating a parameter over, comprising: a first electrode (2), a second electrode (3), an electrolyte (5), which is in contact with the first electrode and in consuming contact with a consumption portion (6) of the second electrode, at least two indicators (I1, I2, I3), which are connected to the consumption portion (6) at a respective connecting point (P1, P2, P3). The electrolyte (5) and the consumption portion (6) are selected such that when a voltage is applied over the electrodes (2, 3), the consumption portion (6) is consumed at a predetermined rate, wherein the indicators (I1, I2, I3) are arranged to switch states in response to a consumption frontier (F1, F2) of the consumption portion reaching or passing a connecting point (P1, P2, P3) associated with the respective indicator (I1, I2, I3), wherein at least one of the indicators is a binary (on/off) indicator.

Abstract: The invention provides a method and system for measuring the length of a reflective resonator, by analyzing an electromagnetic spectrum emitted therefrom. The emitted spectrum is used for estimating a first cavity length. This estimation is thereafter improved, by first computing at least one interference number for the spectrum, adjust this value to e.g. an integer or half-integer depending on the configuration of the resonator, and thereafter re-calculating the length of the resonator using the adjusted value of the interference number. The above is an efficient way of improving the accuracy in the determination of a physical property of a resonator.

Abstract: One embodiment of the present invention discloses a circuitry and an element which can be activated, charged, or interacted using any useful source of EM-radiation which is able to emit a suitable EM-field, which circuitry or element can be produced in a cost-effective manner, as well as a method for charging the same. The circuitry or element includes an antenna for receiving and converting EM-radiation into electric energy; a rectifier for converting the energy to a rectified current, and a dechargeable energy cell.

Abstract: A process for rendering an electrically conducting polymer essentially non-conducting is provided, in which the polymer is brought into direct electrical contact with an electrolyte. Furthermore, an electric voltage is applied to the polymer using at least two electrodes connected to a voltage supply, each electrode independently being in electrical contact with one of the polymer and the electrolyte. The electrically conducting polymer is rendered non-conducting through electrochemical reactions occurring in the interface between the polymer and the electrolyte in response to the electric voltage.

Abstract: A device for determining a parameter history indication of at least one external parameter includes, in at least one embodiment, a first electrode portion, in consuming contact with a first electrolyte, and a second electrode portion, in consuming contact with a second electrolyte. A consumption process of the second electrode portion, in at least one embodiment, is controllable by an amount of consumption of said first electrode portion. The electrolytes are so arranged that consumption rates of the first electrode portion and the second electrode portion present different dependencies on the at least one external parameter. A kit of parts including such a device, and a method for determining a parameter history indication of at least one external parameter are also disclosed.

Abstract: A circuitry for differential amplifying, logical inversion, NAND and/or NOR operations is provided, which includes at least one depletion mode transistor having JFET characteristics. A method for determining the properties of an electrochemical circuitry is provided, including at least one semi-finished transistor, by applying a solidified electrolyte to selected sets of electrochemically active transistor elements is also provided.

Abstract: A battery having at least one positive and at least one negative electrode arranged alongside one another on a flat, electrically nonconductive substrate and connected to one another via an electrolyte which conducts ions.

Abstract: Methods of producing electrochemical transistor devices are provided, wherein a solidified electrolyte is arranged in direct contact with at least a portion of an organic material having the ability to electrochemically altering its electrical conductivity through change of redox state thereof, such that a current between a source contact and a drain contact of the transistor is controllable by way of a voltage applied to a gate electrode. A electrochemical transistor device is also provided, wherein an ion isolative material is provided between a solidified electrolyte and an organic material having ability to electrochemically altering its redox state, such that a transistor channel of the transistor is defined thereby.

Abstract: A fast organic field effect transistor (100), which operates at low voltages, is achieved by the introduction of an oligomeric or polymeric electrolyte (131) between the gate electrode (141) and the organic semiconductor layer (121), which electrolyte (131) has a dissociation constant of at least 10?8. Said organic semiconductor layer (121) is in contact with the source electrode (111) and the drain electrode (112) of the transistor. In operation a potential (152) applied to said gate electrode (141) controls the current A between said source electrode (111) and said drain electrode (112).

Abstract: In one embodiment of the present invention, a method is disclosed of temporarily changing refractive index of an optical fiber containing a longitudinal electrode arranged in the cladding of said fiber along and parallel to the core of the fiber, wherein the change in refractive index is performed by applying a high voltage pulse to said longitudinal electrode, the high voltage pulse including a magnitude of at least 100 volts and a duration sufficiently short to prevent melting of the electrode, such that the electrode thermally expands through ohmic heating without melting and exerts a pressure on the fiber core to induce said temporary change of the refractive index. The method is suitably used for Q-switching a fiber laser.

Abstract: The present invention provides an electrochemical timer device (110) having a source (101) and a drain (102) contact. The device further comprises a switch channel (104) and a delay reservoir (103) that are electrochemically interconnected with a gate electrode (105). The switch channel (104) interconnects the source (101) and drain (102) contacts and is arranged to change electrical conductivity upon electrochemistry therein, and an electrochemical reaction is arranged to occur in the gate electrode (105) and delay reservoir (103) upon application of a drive voltage there between. The delay reservoir (103) is arranged such that the electrochemical reaction occurring therein gradually moves towards the switch channel (104) and eventually reaches the switch channel (104) after a delay time thereby changing the electrical conductivity of the switch channel (104).