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William J Cummings, Brian J Gally: Process for modifying offset voltage characteristics of an interferometric modulator. IDC, Knobbe Martens Olson & Bear, February 5, 2008: US07327510 (232 worldwide citation)

An interferometric modulator manufactured according to a particular set of processing parameters may have a non-zero offset voltage. A process has been developed for modifying the processing parameters to shift the non-zero offset voltage closer to zero. For example, the process may involve identify ...


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William J Cummings, Kris E Sahlstrom, Shiyou Pei, Bob L Mackey, Arthur J Learn, John D Porter, Theodore S Fahlen: Protected substrate structure for a field emission display device. Candescent Technologies Corporation, Candescent Intellectual Property Services, Ladas & Parry, February 8, 2005: US06853129 (197 worldwide citation)

A protected faceplate structure of a field emission display device is disclosed in one embodiment. Specifically, in one embodiment, the present invention recites a faceplate of a field emission display device wherein the faceplate of the field emission display device is adapted to have phosphor cont ...


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Manish Kothari, William J Cummings: Altering temporal response of microelectromechanical elements. IDC, Knobbe Martens Olson & Bear, October 10, 2006: US07119945 (150 worldwide citation)

An array of movable elements is arranged on a substrate. Each element has a cavity and a movable member to move through the cavity. The pressure resistance of the elements varies, allowing actuation signals to be manipulated to activate elements with different pressure resistance at different levels ...


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Clarence Chui, William J Cummings, Brian J Gally: Method and device for multistate interferometric light modulation. IDC, Knobbe Martens Olson & Bear, May 13, 2008: US07372613 (87 worldwide citation)

A multi-state light modulator comprises a first reflector. A first electrode is positioned at a distance from the first reflector. A second reflector is positioned between the first reflector and the first electrode. The second reflector is movable between an undriven position, a first driven positi ...


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William J Cummings: Methods and devices for inhibiting tilting of a mirror in an interferometric modulator. IDC, Knobbe Martens Olson & Bear, October 31, 2006: US07130104 (80 worldwide citation)

Interferometric modulators having a separable modulator architecture are disclosed having a reflective layer suspended from a flexible layer over a cavity. The interferometric modulators have one or more anti-tilt members that inhibit undesirable movement of the reflective layer, such as curling and ...


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Clarence Chui, Jeffrey B Sampsell, William J Cummings, Ming Hau Tung: Spatial light modulator with integrated optical compensation structure. IDC, Knobbe Martens Olson & Bear, March 11, 2008: US07342705 (64 worldwide citation)

A spatial light modulator comprises an integrated optical compensation structure, e.g., an optical compensation structure arranged between a substrate and a plurality of individually addressable light-modulating elements, or an optical compensation structure located on the opposite side of the light ...


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William J Cummings: Methods and devices for inhibiting tilting of a mirror in an interferometric modulator. IDC, Knobbe Martens Olson & Bear, June 10, 2008: US07385762 (62 worldwide citation)

Interferometric modulators having a separable modulator architecture are disclosed having a reflective layer suspended from a flexible layer over a cavity. The interferometric modulators have one or more anti-tilt members that inhibit undesirable movement of the reflective layer, such as curling and ...


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William J Cummings: Method and device for corner interferometric modulation. IDC, Knobbe Martens Olson & Bear, January 22, 2008: US07321456 (60 worldwide citation)

A display is described, wherein the display includes surfaces arranged at a non-zero angle to one another. A least one of the surfaces may include an interferometric modulator. Compensation for color shift can be provided through the use of two or three surfaces arranged at an angle to one another, ...


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Brian J Gally, William J Cummings: Ornamental display device. IDC, Knobbe Martens Olson & Bear, May 6, 2008: US07369294 (58 worldwide citation)

An ornamental display device having an interferometric modulator for displaying an ornamental image. The ornamental device may have a patterned diffuser formed on a transparent substrate to provide an ornamental image. The ornamental device may also be a piece of jewelry or an article that may be wo ...