Showing papers on "Electrochromism published in 1973"
TL;DR: The principle of a new electrochromic display based on an oxidation-reduction reaction of an organic compound of the viologen family is described in this article, which is a display having a built-in memory, high contrast, a low switching voltage, and a low mean power consumption.
Abstract: The principle of a new electrochromic display based on an oxidation‐reduction reaction of an organic compound of the viologen family is described The result is a display having a built‐in memory, high contrast, a low switching voltage, and a low mean power consumption
193 citations
Patent•
26 Dec 1973TL;DR: An electrochromic data display and imaging device which may be formed by sandwich arrangement of the imaging area and the counter-electrode area, with a suitable self-supporting ion-conductive layer between.
Abstract: An electrochromic data display and imaging device which may be formed by sandwich arrangement of the imaging area and the counter-electrode area, with a suitable self-supporting ion-conductive layer between.
51 citations
TL;DR: In this paper, a theoretical model for the linear electrochroism of meta-nitroaniline was proposed and a maximum band shift of 2·5 × 10 −23 J per (kV mm −1 ) is predicted.
23 citations
Patent•
26 Dec 1973TL;DR: An electrochromic data display and imaging device which may be formed by sandwich arrangement of the imaging area, the counter-electrode area with a suitable electrolyte layer between, having additives incorporated in the electrolyte as mentioned in this paper.
Abstract: An electrochromic data display and imaging device which may be formed by sandwich arrangement of the imaging area, the counter-electrode area with a suitable electrolyte layer between, having additives incorporated in the electrolyte. The device exhibits superior electrochromic reversibility and improved speed and cell life over prolonged coloration and erase cycles.
22 citations
Patent•
30 Jul 1973TL;DR: An electrochromic device comprises a layered structure including a transparent conductive electrode, an electro-chromic layer thereon, an ion permeable insulator on said electro chromic layer, and a sponge material containing substances which are ionizable by the electro-catalytic layer, the ions formed thereby either themselves being diffusable through or acting to permit other ions to diffuse through the insulator layer and stabilizing or promoting coloration of the electrochromics as mentioned in this paper.
Abstract: An electrochromic device comprises a layered structure including a transparent conductive electrode, an electrochromic layer thereon, an ion permeable insulator on said electrochromic layer, an electrocatalytic layer on said insulator, and a sponge material on said electrocatalytic layer said sponge material containing substances which are ionizable by the electrocatalytic layer, the ions formed thereby either themselves being diffusable through or acting to permit other ions to diffuse through said insulator layer and stabilizing or promoting coloration of said electrochromic layer.
19 citations
Patent•
30 Jul 1973
TL;DR: An electrochromic cell having an essentially symmetrical type of structure such as a cell comprising an electro chromic material, a color assisting agent, a second electro-chromic material and a second electrode in a layer type structure was defined in this paper.
Abstract: An electrochromic cell having an essentially symmetrical type of structure such as a cell comprising an electrochromic material, a color assisting agent, a second electrochromic material and a second electrode in a layer type structure wherein at least one of said electrochromic materials is in its colored state prior to use of the device.
15 citations
Patent•
23 Nov 1973TL;DR: In this paper, a counter-electrode or imaging area in an electro-optical data display and imaging device, and the electrode and imaging areas formed, are formed by sandwich arrangement of the imaging area, with a suitable layer between.
Abstract: Method for forming a counter-electrode or imaging area in an electro-optical data display and imaging device, and the electrode and imaging areas formed. An electrochromic data display and imaging device may be formed by sandwich arrangement of the imaging area, the counter-electrode area with a suitable layer between. The device exhibits superior electrochromic reversability and improved speed and cell life over prolonged coloration and erase cycles.
14 citations
Patent•
16 Feb 1973TL;DR: In this paper, an electro-optical device for controlling visible and infrared absorption by windows in homes, commercial buildings and the like, and for information display typically comprising in sandwiched arrangement a pair of electrodes, and a film of a transition metal compound and a liquid electrolyte disposed between the electrodes is provided, wherein the counter-electrode is palladium.
Abstract: Electro-optical device useful in control of visible and infrared absorption by windows in homes, commercial buildings and the like, and for information display typically comprising in sandwiched arrangement a pair of electrodes, and a film of a transition metal compound and a liquid electrolyte disposed between the electrodes is provided, wherein the counter-electrode is palladium. The device exhibits coloration and bleaching thereof over large areas by control of the polarity of an applied electric field.
11 citations
Patent•
02 Jan 1973TL;DR: An electrochromic BITE indicator for fault detection in integrated circuitry is presented in this paper. But the BITE indicators operate between -41*C and +50*C.
Abstract: An electrochromic BITE indicator for fault detection in integrated circuitry. The electrochromic structure utilizes an electrochromic paste cell concept and fits into a commercial TO-5 can/header assembly. The indicators operate between -41*C. and +50*C.
3 citations
Patent•
25 Oct 1973TL;DR: An electrochromic device is characterized as having a nonlinear voltage response, a well defined threshhold, and an internal electromotive force which is uniquely determined by the color state of the device.
Abstract: An electrochromic device comprises, in a layered structure, a first electrode, an electrochromic material, an electrolyte and a back electrode which is of a material different than said first electrode. The device is characterized as having a nonlinear voltage response, a well defined threshhold, and an internal electromotive force which is uniquely determined by the color state of the device.
1 citations