Electrochemical display device

An electrochemical display device capable of irreversibly switching from a first indicating state to a second indicating state comprises a substrate (12) having an electrically insulating surface (16), and a first electrode (30) located on at least a part of said surface (16) of said substrate (12),...

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Bibliographic Details
Main Author SCHUMACHER KNUT,KUEPPER ANTON
Format Patent
LanguageEnglish
Published 08.11.2006
Subjects
ADVERTISING
CRYPTOGRAPHY
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
DISPLAY
DISPLAYING
EDUCATION
FREQUENCY-CHANGING
HOROLOGY
LABELS OR NAME-PLATES
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEALS
SIGNS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
TIME-INTERVAL MEASURING
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Summary:An electrochemical display device capable of irreversibly switching from a first indicating state to a second indicating state comprises a substrate (12) having an electrically insulating surface (16), and a first electrode (30) located on at least a part of said surface (16) of said substrate (12), wherein said substrate (12), at least within said part of its surface (16) is light-transmissive, the transmissivity of the combination of said substrate (12) and said first electrode (30) being less than that of said part of said substrate (12). Furthermore, the electrochemical display device comprises a second electrode (32), and an electrolytic liquid (28) arranged between and in electrical contact with said first and second electrodes (30,32), wherein, upon application of an electrical voltage to said first and second electrodes (30,32), material of said first electrode (30) dissolves into said electrolytic liquid (28) exposing at least partially said substrate (12) thereby switching from the first indicating state to the second indicating state.
Bibliography:Application Number: CN200480028034