Patent application number | Description | Published |
20130293519 | GREY SCALE ELECTROMECHANICAL SYSTEMS DISPLAY DEVICE - This disclosure provides systems, methods and apparatus for an electromechanical systems display device. In one aspect, a grey scale electromechanical systems display device may include a reflector assembly disposed on a support dielectric layer, a substrate, and an absorber assembly. The absorber assembly may include a metal layer. The absorber assembly may be configured to move to a first position defining a first cavity between the absorber assembly and the substrate such that the device reflects a white light. The absorber assembly also may be configured to move to a second position defining a second cavity between the absorber assembly and the reflector assembly such that the device substantially does not reflect light. | 11-07-2013 |
20140036340 | THIN FILM STACK WITH SURFACE-CONDITIONING BUFFER LAYERS AND RELATED METHODS - This disclosure provides systems, methods and apparatus for a thin film stack with surface-conditioning buffer layers. In one aspect, the thin film stack includes a plurality of thin film layers each having a thickness greater than about 10 nm and a plurality of surface-conditioning buffer layers each having a thickness between about 1 nm and about 10 nm. The surface-conditioning buffer layers are alternatingly disposed between the thin film layers. Each of the surface-conditioning buffer layers are formed with the same or substantially the same thickness and composition. In some implementations, the surface-conditioning buffer layers are formed by atomic layer deposition. | 02-06-2014 |
20140092110 | ELECTROMECHANICAL SYSTEMS DEVICE WITH PROTRUSIONS TO PROVIDE ADDITIONAL STABLE STATES - This disclosure provides systems, methods, and apparatus for an electromechanical systems (EMS) device with one or more protrusions connected to a surface of the EMS device. In one aspect, the EMS device includes a substrate, a stationary electrode over the substrate, and a movable electrode over the stationary electrode. The movable electrode is configured to move to three or more positions across a gap by electrostatic actuation between the movable electrode and the stationary electrode. When the protrusions contact any surface of the EMS device at one of the positions across the gap, the protrusions change the stiffness of the EMS device. At least one of the surfaces in contact with the one or more protrusions is non-rigid. In some implementations, the protrusions have a height greater than about 20 nm. | 04-03-2014 |
20150070747 | DISPLAY ELEMENT RESET USING POLARITY REVERSAL - This disclosure provides circuits and methods for resetting a movable element, such as a mirror of an interferometric modulator (IMOD), to a consistent starting point or reset position. In one example, a circuit may include three electrodes with a capacitor coupled between two of the electrodes. Additionally, the polarity of one of the electrodes may be configured to switch and reverse in polarity relative to another electrode. Accordingly, the movable element may be moved to a reset position. | 03-12-2015 |
20150109265 | DOT INVERSION CONFIGURATION - This disclosure provides systems, methods and apparatus for an arrangement of pixels and interconnects in a display. In one aspect, polarities of pixels may be in a dot inversion configuration, or checkerboard pattern, to reduce the visibility of flicker. Various interconnect alternatively couple between modules in different columns or rows to provide dot inversion. | 04-23-2015 |
20150277097 | FLEXIBLE EMS DEVICE USING ORGANIC MATERIALS - This disclosure provides apparatus, systems and methods for an electromechanical systems (EMS) device made of organic materials. In one aspect, the EMS device includes a stationary electrode over a substrate and a movable electrode over the stationary electrode, where the movable electrode is configured to move across a gap between the movable electrode and the stationary electrode by electrostatic actuation. One or more layers between the movable electrode and the stationary electrode may be made of polymer material. One or more layers in the EMS device may include an optical layer made of polymer material and configured to attenuate energy of light corresponding to one or more wavelength ranges. In some implementations, the optical layer may include a plurality of absorber particles in a host material that is electrically insulating. | 10-01-2015 |
20150277098 | EMS DEVICE HAVING A NON-ELECTRICALLY ACTIVE ABSORBER - This disclosure provides apparatus, systems and methods for an electromechanical systems (EMS) device having a non-electrically active absorber. In one aspect, the EMS device includes a stationary electrode over a substrate, a dielectric layer over the stationary electrode, an absorber over the dielectric layer, and a movable electrode over the absorber. The movable electrode is configured to move to a plurality of positions between the absorber and the movable electrode to define a plurality of gap heights. Furthermore, the absorber includes a non-electrically active material. In some implementations, the absorber can include an optical layer having a plurality of particles in an electrically insulating material. | 10-01-2015 |
20150277099 | EMS DEVICE HAVING FLEXIBLE SUPPORT POSTS - This disclosure provides apparatus, systems and methods for an electromechanical systems (EMS) device having one or more flexible support posts. In one aspect, the EMS device includes a substrate, a stationary electrode over the substrate, one or more flexible support posts over the substrate, and a movable electrode over the stationary electrode and supported by the one or more flexible support posts. The movable electrode is configured to move across a gap between the movable electrode and the stationary electrode upon electrostatic actuation, where the one or more flexible support posts include a first organic material and can be configured to compress to permit the movable electrode to move across the gap. | 10-01-2015 |