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Class 345/49 - Electrochromic elements


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter in which the segmented display elements* include
No. of patents: 67
Last issue date: 09/02/2008


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NumberTitleIssue Date
7420727Active matrix electrochromic display
The present invention is an active matrix electrochromic display architecture where the active components are placed on the backplane of the display, thereby maximizing the viewable pixel area. The cathode of the electrochromic pixel is placed on top of the active c...
09/02/2008
7375871Electrochromic glass control device
A light control system having a full range of dimming for smart-glass by providing an interface between an off-the-shelf dimmer and a electrochromic glass device is disclosed herein. The light control system or electrochromic glass control device acts as an interfac...
05/20/2008
7342708Electrochromic device using poly(3,4-ethylenedioxythiophene) and derivatives thereof
The present invention relates to complementary electrochromic devices comprising poly(3,4-ethylenedioxythiophene) and derivatives thereof as a cathodically coloring layer and an indium hexacyanometallate or transition metal hexacyanometallate as an anodically colori...
03/11/2008
7336410High-definition pixel structure of electrochromic displays and method of producing the same
A display of an electrochromic type, including an active matrix substrate on which a plurality of pixel electrodes corresponding to pixels are arranged in a matrix form; a counter substrate which is provided with a transparent electrode that is common with respect t...
02/26/2008
7312914Electrochromic display device and electrodeposition-type display device
Between each transparent pixel electrode driven by TFT as a drive device and a common electrode, a polymer layer located in contact with the transparent pixel electrode and electrically active to change in color by electrochemical oxidization or reduction and a poly...
12/25/2007
7310080Electrowetting and electrostatic screen display systems, color displays and transmission means
Methods and related devices for manipulating ambient light and various light sources for applications including colour displays, screen displays and colored coverings for a multitude of items is disclosed. Methods and related devices for manipulating light for decor...
12/18/2007
7306833Structure for thermochromic glazing having a substance contained between two glass substrates
Structure comprising at least two glass substrates (10, 11) separated by a distance (i), at least one substance (12) at least partly filling the space between the two substrates, and spacers (13) placed between the two substrates in order to mai...
12/11/2007
7304634Rear electrode structures for electrophoretic displays
Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surfa...
12/04/2007
7288781Programmable structure, an array including the structure, and methods of forming the same
A microelectronic programmable structure suitable for storing information, and array including the structure and methods of forming and programming the structure are disclosed. The programmable structure generally includes an ion conductor and a plurality of electro...
10/30/2007
7277215Control system for electrochromic devices
A method of determining the transmission state of an electrochromic device includes applying a voltage across the electrochromic device, using the applied voltage and current for calculating leakage current of the electrochromic device and determining ionic current ...
10/02/2007
7236364Case for portable terminal using color liquid crystal
A case for a portable terminal using a color liquid crystal uses a Peltier device to vary the color of the case by means of electrical heating and cooling the interior of the case. The case includes a temperature control apparatus for emitting electrical heat, when ...
06/26/2007
7230748Electrochemical device such as electrochromic or photovoltaic device and electrical connection means thereof
An electrochemical device, especially an electrically controllable system with variable energy and/or optical properties or a photovoltaic device, including at least one substrate carrying an electroactive stack of layers arranged between a lower electrode and an up...
06/12/2007
7215318Electrochromic element drive control circuit
A drive control circuit for controlling an electrochromic element is substantially integrated into an integrated circuit, with the exception of resistive elements for dissipating heat away from the integrated circuit. The drive control circuit includes a current reg...
05/08/2007
7142190Cellular communication handsets having variable appearance housings and methods therefor
A wireless communication handset (100), or other electrical device, having a housing disposed about electrical communications circuitry. At least a portion of the housing, for example a bezel (144) or keypad area (148) comprising a variable inpu...
11/28/2006
7116309Photowriting display device and photowriting display unit incorporating the same
A photowriting display device which is capable of performing bright full color display and a photowriting display apparatus which incorporates the photowriting display device and on which the pen moving operation is directly reflected as information to be displayed....
10/03/2006
7098686System generated electromagnetic pulse guard
A discharge guard circuit for use in combination with an integrated circuit that prevents the integrated circuit logic from damage or upset caused by system generated electromagnetic pulses at the integrated circuit outputs. The integrated circuit core logic is isol...
08/29/2006
7061478Multiple-mode CMOS I/O cell
A CMOS output cell with multiple output modes is disclosed. In one embodiment, the cell drives a differential output signal on two output pads in one mode and two single-ended output signals on the two output pads in another mode. Differential and single-ended drive...
06/13/2006
6924792Electrowetting and electrostatic screen display systems, colour displays and transmission means
Methods and related devices for manipulating ambient light and various light sources for applications including colour displays, screen displays and colored coverings for a multitude of items is disclosed. Methods and related devices for manipulating light for decor...
08/02/2005
6449082Busbars for electrically powered cells
Edge busbars on a substantial perimeter of an electrochromic device are disclosed having electrical paths wrapping over the perimeter edge. Internal busbars interior from the perimeter are disclosed which lower the conductivity of the conductive layer of ...
09/10/2002
6381346Three-dimensional face identification system
A three-dimensional (3-D) facial imaging system is disclosed for generating facial images, indexing those images by composite codes and for searching for similar two-dimensional (2-D) facial images. The 3-D images of human faces are generated from a data ...
04/30/2002
6369934Self bleaching photoelectrochemical-electrochromic device
A photoelectrochemical-electrochromic device comprising a first transparent electrode and a second transparent electrode in parallel, spaced relation to each other. The first transparent electrode is electrically connected to the second transparent electr...
04/09/2002
6365068Heterocyclic aromatic anion salts, and their uses as ionic conducting materials
The invention relates to ionic compounds in which the anionic load has been displaced, and the uses of these compounds. A compound disclosed by the invention comprises an anionic portion combined with at least one cationic portion M+m in suffic...
04/02/2002
6330101EC panel drive unit for a rear-view mirror
An EC panel drive unit for a rear-view mirror comprising a timer circuit 2 in which a drive signal is output for a fixed period of time when either a colored state switch SW1 or a colorless state switch SW2 is in the ON position; a D-type flip-flop circui...
12/11/2001
6241916Electrochromic system
The novel electrochromic system comprises at least one reducible and at least one oxidizable substance OX2 and RED1 respectively, which are linked with one another via a bridge member, and is outstandingly suitable for use in an elec...
06/05/2001
6171522Heterocyclic aromatic anion salts, and their uses as ionic conducting materials
The invention relates to ionic compounds in which the anionic load has been displaced, and the uses of these compounds. A compound disclosed by the invention comprises an anionic portion combined with at least one cationic portion M+m in suffic...
01/09/2001
5956012Series drive circuit
A series drive circuit for driving a plurality of serially-connected electronic elements, such as electrochromic elements. The series drive circuit maintains a accurately controlled voltage across each of the electronic elements, while reducing power cons...
09/21/1999
5808711Transparent or reflective liquid crystal display assembly with electrochromic and cholesteric layer
A liquid crystal display assembly (10) can function in either a transparent or reflective mode. The assembly consists of a reflective-type liquid crystal display cell (12) placed in front of an electrochromic panel (14). When a display driver (16) activat...
09/15/1998
5694144Electrochromic system and its supply process
Electrochromic systems having a material, whose coloration state and/or the transmission in certain electromagnetic radiation wavelengths varies by performing an electrochemical reaction involving the passage of an electric current. The electric current i...
12/02/1997
4529274Electrochromic display device
An electrochromic display device comprising an electrolyte held between a pair of substrates, at least one of which being transparent, a plurality of electrodes coated with electro-chemical coloration material formed on at least one substrate, at least a ...
07/16/1985
4519930Electrochromic display device
An electrochromic display device containing at least two electrodes and electrolyte in contact therewith is disclosed, wherein the electrolyte is an electrolytic solution which has been gelated by polymer....
05/28/1985
4469449Drive system for electrochromic display cell
A system for driving elements of an ECD cell, whereby each of at least two different color density states can be selectively designated for each element so that two different functions can be indicated by a single element. The selective designation is acc...
09/04/1984
4465380Electronic timepiece
In an electronic timepiece provided with an electrochromic display device, temperature monitor circuit means are provided for periodically sampling the ambient operating temperature of the timepiece, to detect if that temperature is above an upper limit t...
08/14/1984
4459035All solid-state complementary electrochromic display device
EC display device suitable for drive by means of a charge transfer method which is one of the methods for realizing a constant charge drive, in which all the members comprise solid materials only and a reduction coloration type EC material and an oxidatio...
07/10/1984
4443115Electronic timepiece with electrochromic display
An electronic timepiece provided with an electrochromic display device as a time related information display. The ECD is driven by an electric charge transfer method. The electric charges which cause coloration of segments directly transfer from non-selec...
04/17/1984
4420749Charge transfer type electrochromic display devices
An electrochromic display device is characterized by comprising a counter electrode, opposed to a plurality of display segmented electrodes, for absorbing a charge present in some colored display segments. Thereafter, the counter electrode provides a refr...
12/13/1983
4399436Electrochromic display devices
An electrochromic display device comprises a plurality of display segmented electrodes and first additional electrodes, a layer of an electrochromic material in contact with each of the display segmented electrodes and the first additional electrodes, a f...
08/16/1983
4371268Time correcting circuit for timepiece with electrochromic display
A time correction circuit for a timepiece with an electrochromic display which includes a timing circuit having counters counting time standard clock signals and for generating time display output signals, a time display circuit having an electrochromic d...
02/01/1983
4354187Electrochromic display device
An electrochromic display device comprising a display electrode group, a refresh electrode and a counter electrode, is driven by an electric charge transmisson method. Initially the coloration electric charge is injected into some of the display electrode...
10/12/1982
4346964Electrochromic display device
An electrochromic display device having a simplified driving circuit. A colored display is performed by injecting an electric charge into the electrochromic layers of predetermined segments. The electric charge is transferred to the electrochromic layers ...
08/31/1982
4302751Driver circuit for electrochromic displays
A constant-voltage circuit is interposed between a power source and a driver circuit for an electrochromic display. The constant-voltage circuit functions to compensate for variations of an output level of the power source in order to stabilize coloration...
11/24/1981
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