Abstract:
PROBLEM TO BE SOLVED: To provide a method of reducing power consumption in a display device comprising two or more rows of display elements.SOLUTION: A method and system for reducing power consumption in a display includes driving a display comprising a plurality of display elements characterized by a display state. In a first mode of operation, the display state of substantially all the display elements is periodically re-set so as to display a first series of image frames. Upon changing to a second mode of operation, the second mode of operation includes displaying a second series of image frames at a display element resolution which is less than said display element resolution used to display said first series of image frames.
Abstract:
PROBLEM TO BE SOLVED: To compensate for a temperature dependent change in display pixel characteristics of a system including an array of interferometric modulators suitable for a display.SOLUTION: A method for determining one or both of an actuation voltage and a release voltage of a microelectromechanical device comprises: applying at least two different electric potentials to at least one electrode coupled to the device; detecting at least one electric response of the device at the at least two different electric potentials; determining, based at least in part on the response, a state of the device at the at least two different electric potentials; and determining one or both of the actuation voltage and the release voltage based at least in part on the determination of the state.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for determining the actuation and/or release voltages of a microelectromechanical device.SOLUTION: A method for sensing the actuation and/or release voltages of a microelectromechanical device includes applying a varying voltage to the device and sensing its state and different voltage levels. The device is part of a system comprising an array of interferometric modulators suitable for a display. The method can be used to compensate for temperature dependent changes in display pixel characteristics.
Abstract:
PROBLEM TO BE SOLVED: To provide an array of interferometric modulators comprising a backplate to protect an interferometric modulator from mechanical interference, excessive moisture, and other potentially damaging substances.SOLUTION: In a MEMS-based display device 600, an array 604 of interferometric modulators is configured to reflect light through a transparent substrate. The transparent substrate is attached with a seal 606 to a backplate 608 and the backplate can contain electronic circuitry for controlling the array of interferometric modulators. The backplate can become physical support for device components, such as electronic components, which can be used to control states of a display. The backplate can also be utilized as a primary structural support for the device.
Abstract:
PROBLEM TO BE SOLVED: To provide a method of determining one or both of actuation voltage and releasing voltage of a microelectromechanical device.SOLUTION: The method includes applying of at least two different potentials to at least one electrode connected to a device and detecting at least one electrical response of the device on at least two different potentials. Based on determining of at least a partial state, one or both of actuation voltage and releasing voltage is determined. The device is a part of a system that includes an array of interference modulators suitable for display. This method is used for compensating for temperature dependent changes in display pixel characteristics.
Abstract:
PROBLEM TO BE SOLVED: To provide a MEMS-based display device.SOLUTION: The MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate attached to a back plate via a seal and the back plate can contain electronic circuitry for controlling the array of interferometric modulators. The back plate can be a physical support for device components (for example, electronic components etc.) which can be used to control the state of the display. The back plate can also be utilized as a primary structural support for the device.
Abstract:
PROBLEM TO BE SOLVED: To develop spatial light modulators having integrated optical compensation structures and further provide methods for making the spatial light modulators.SOLUTION: A spatial light modulator 40 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-modulating elements from the substrate. The individually addressable light-modulating elements 44 are configured to modulate light transmitted through or reflected from the transparent substrate 42.
Abstract:
PROBLEM TO BE SOLVED: To provide a display device comprising an array of addressable light-modulating elements.SOLUTION: A spatial light modulator 40 comprises an integrated passive optical compensation structure 41, or a passive optical compensation structure 41 located on the opposite side of the light-modulating elements 44 from a transparent substrate 42. The individually addressable light-modulating elements 44 are configured to modulate light transmitted through or reflected from the transparent substrate 42. Methods for making the spatial light modulators 40 involve fabricating a passive optical compensation structure 41 over a substrate, and fabricating a plurality of individually addressable light-modulating elements 44 over the passive optical compensation structure 41. The passive optical compensation structure 41 may include one or more of a supplemental frontlighting source, a diffuser, a black mask, a diffractive optical element, a color filter, an anti-reflective layer, a structure that scatters light, a microlens array, and a holographic film.
Abstract:
PROBLEM TO BE SOLVED: To provide a display device that includes a new illuminating device for illuminating a display, and to provide a method of manufacturing the same.SOLUTION: The display device 100 includes: a transmissive display 84 configured to be illuminated through a back surface; and a reflective display 80 configured to be illuminated through a front surface. A light source 90 is disposed with respect to the back of the transmissive display 84 to illuminate the transmissive display 84. Further, light pipes 112 and 114 are disposed with respect to the light source 90 and are configured to propagate the light so that the light illuminates the front of the reflective display 80.