ELECTROPHORETIC DEVICE AND METHOD FOR CONTROLLING THE SAME

• Main Authors: ROOSENDAAL, SANDER, J, JOHNSON, MARK, T, VAN DELDEN, MARTINUS, H., W., M, VERSCHUEREN, ALWIN, R., M
• Format: Patent
• Language: English; French; German
• Published: 01.04.2009
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; 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; EDUCATION; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; SEALS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

The present invention relates to an electrophoretic device where a viewing electrode, which is used to attract an electrophoretic medium to a viewing area, is divided into a first (25) and a second (27) sub-electrode which are separated on the viewing area. When the electrophoretic medium is to cove...