1
Ota Isao: Electrophoretic display device. Matsushita Electric Industrial, June 6, 1972: US3668106 (412 worldwide citation)

An electorphoretic display and/or recording device in which an electrophoretic suspension layer including a dispersion of at least one electrophoretic material in a finely divided powder form suspended in a suspending medium is interposed between a pair of electrodes. An electric field is imposed ac ...


2
Ota Isao: Electrophoretic display device. Matsushita Electric Industrial, September 4, 1973: US3756693 (328 worldwide citation)

An electrophoretic display device in which an electrophoretic suspension layer including a dispersion of at least one electrophoretic material in a finely divided powder form suspended in a suspending medium is interposed between a pair of electrodes, at least one of which is transparent. A colored ...


3
Ota Isao: Electrophoretic display device of the luminescent type. Matsushita Electric, February 12, 1974: US3792308 (293 worldwide citation)

An electrophoretic display and/or recording device of the luminescent type in which a luminescent electrophoretic suspension layer including a dispersion of at least one electrophoretic material in a finely divided powder form suspended in a suspending medium is interposed between a pair of electrod ...


4
John R Harbour, Michael L Hair: Electrophoretic display device. Xerox Corporation, June 9, 1981: US04272596 (149 worldwide citation)

An electrophoretic display device which provides high contrast images and a stable suspending fluid is described. A white marking material such as titanium dioxide is suspended in a colloidal dispersion containing black colorant such as colloidal size iron oxide particles known as ferrofluids. Image ...


5
Richard B Liebert, Roger P White: Electrophoretic image display with reduced drives and leads. North American Philips Corporation, Paul R Miller, June 11, 1985: US04522472 (133 worldwide citation)

An electrophoretic display device is described where a set of anode electrodes in an electrophoretic cell are disposed opposite row and column electrodes at a second side of the electrophoretic cell. The anode electrodes encompass equal pluralities of at least the row electrodes, and such equal plur ...


6
Andrew L Dalisa, Robert J Seymour: Electrophoretic display devices. U S Philips Corporation, Thomas A Briody, Robert T Mayer, Paul R Miller, August 19, 1980: US04218302 (121 worldwide citation)

An electrophoretic display device comprises a cell in which a colloidal suspension of pigment particles is contained between associated electrodes and means are provided for the establishment of a potential between the electrodes for the selective transport of pigment particles. This potential permi ...


7
John A Rogers, Pierre Wiltzius: Electrophoretic display and method of making the same. Lucent Technologies, Lowenstein Sandler PC, January 8, 2002: US06337761 (115 worldwide citation)

A configuration for an electrophoretic display device is described that is effective in substantially preventing agglomeration of pigment particles. A suspension medium is contained between first and second electrodes to define an electrophoretic display cell; a plurality of pigment particles are di ...


8
Andrew L Dalisa, Barry M Singer: X-Y addressable electrophoretic display device with control electrode. North American Philips Corporation, Thomas A Briody, Jack Oisher, James J Cannon Jr, May 13, 1980: US04203106 (109 worldwide citation)

An electrophoretic display device in which an colloidal suspension of pigment particles is contained between a pair of electrodes, and means are provided in the structure of the electrodes of the cell for the establishment of a voltage threshold for the transport of pigment particles. This threshold ...


9
Tsutomu Ikeda: Electrophotographic display device and driving method therefor. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 29, 2001: US06239896 (99 worldwide citation)

An electrophoretic display device exhibiting a memory characteristic, i.e., capable of holding a display state even after removal of an applied voltage, is provided by introducing a mechanism that colored electrophoretic particles are retained in position for display in the absence of an electric fi ...


10
Arpad Somlyody: Electrophoretic display device using a liquid crystal as a threshold device. Burroughs Corporation, Edward J Feeney Jr, David G Rasmussen, Kevin R Peterson, December 15, 1981: US04305807 (95 worldwide citation)

An electrophoretic display device using liquid crystals as the display elements is disclosed. Such elements provide superior threshold characteristics and enable the creation of an improved matrix display.