QUALCOMM MEMS Technologies, Inc. Patent applications |
Patent application number | Title | Published |
20160097681 | Microbolometer supported by glass substrate - This disclosure provides systems, methods and apparatus for forming microbolometers on glass substrates. In one aspect, the formation of microbolometers on glass substrates can reduce the size and cost of the resultant array and associated circuitry. In one aspect, a portion of the measurement and control circuitry can be formed by thin-film deposition on the glass substrate, while sensitive measurement and control circuitry can be formed on ancillary CMOS substrates. In one aspect, the microbolometers may be packaged using a variety of techniques, including a wafer-level packaging process or a pixel-level packaging process. | 04-07-2016 |
20160027389 | SYSTEM AND METHOD FOR ILLUMINATING INTERFEROMETRIC MODULATOR DISPLAY - Methods and apparatus are disclosed for directing light from a remote light source into interferometric modulator structures. Light redirectors, including reflective structures, scattering centers, and fluorescent or phosphorescent material, are used to redirect light from a light source into interferometric modulator structures. | 01-28-2016 |
20150351207 | ELECTROSTATIC DISCHARGE MITGATION IN DISPLAY DEVICES - This disclosure provides apparatus and methods for mitigating electrostatic discharge (ESD) in display devices. In one aspect, a display device includes an encapsulation substrates having an anti-static coating on one or more of surfaces of the encapsulation substrate. The display devices can include transparent substrates having display elements thereon such that the encapsulation substrate that covers the display elements. The anti-static coating on one or more surfaces of the encapsulation substrate can dissipate charge that may build up during fabrication or operation of the display device. The anti-static coating can be conductive and transparent, with examples of such coatings including transparent conducting oxides (TCOs), thin metal films, thin carbon films, and networks of conductive nanostructures. | 12-03-2015 |
20150348472 | DISPLAY PANEL DRIVERS - This disclosure provides systems, methods and apparatus for providing voltages to an arrangement of display modules in a display. In one aspect, a group including multiple rows of display modules may be provided a reset signal at the same time. Each row may be provided its own driver circuit to provide a row enable signal such that each row of display modules in the group may be biased row-by-row following the reset. Additionally, driver circuitry providing a variety of voltages to the display modules may be implemented in chip-on-glass (COG). | 12-03-2015 |
20150287367 | CHARGE RECYCLING DRIVER OUTPUT STAGE - This disclosure provides systems, methods and apparatus for recycling charge. In one aspect, a circuit may include amplifiers with power supplies provided by a capacitor voltage divider. A storage capacitor may be configured to be coupled one at a time and in parallel with individual capacitors of the voltage divider. The storage capacitor may store charge that may be reused. | 10-08-2015 |
20150287354 | ERROR-DIFFUSION BASED TEMPORAL DITHERING FOR COLOR DISPLAY DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying high bit-depth images using a hybrid image dithering method that combines aspect of spatial error diffusion and temporal dithering on display devices including display elements that can display multiple primary colors. Various implementations of the hybrid image dithering method includes a temporal dithering method in which the error associated with selecting the primary color for each sub-frame is diffused to the subsequent sub-frame and diffusing any residual error in the last sub-frame spatially to one or more neighboring pixels | 10-08-2015 |
20150205092 | MULTI-STATE INTERFEROMETRIC MODULATOR WITH LARGE STABLE RANGE OF MOTION - This disclosure provides systems, methods and apparatus relating to electromechanical display devices. In one aspect, a multi-stage interferometric modulator (IMOD) can include a movable reflector that can be moved to different positions to produce different reflected colors. The IMOD can include deformable elements that are coupled to a back side of the movable reflector and provide support to the movable reflector. The deformable elements can provide a restoring force that biases the movable reflector to a resting position. The IMOD can include one or more restoring force modifiers that are configured to increase the restoring force when engaged. The restoring force modifiers can be between the movable reflector and the deformable elements such that the deformable elements contact the restoring force modifiers when the movable reflector is displaced to a contacting position. | 07-23-2015 |
20150205033 | INTEGRATING COLOR FILTERS INTO FRONTLIGHT FOR REFLECTIVE DISPLAY - A light guide may include a light guide core, light-extracting elements and cladding layers having lower refractive indices than that of the light guide core. The light guide may be a component of a front light system for a display. The display may be a reflective display, such as a reflective liquid crystal display (LCD). One cladding layer may include color filters for the display and may be disposed between the light guide and the display. The front light system may include a light source system capable of providing light (which may be polarized) to the light guide. The light-extracting elements may be capable of extracting light from the light guide and providing extracted light to the display, via the color filters. The light-extracting elements may include electrodes, such as electrodes for a touch sensor system. | 07-23-2015 |
20150130896 | LIGHT REDIRECTION HOLOGRAM FOR REFLECTIVE DISPLAYS - This disclosure provides systems, methods and apparatus for enhancing the brightness and/or contrast ratio of display devices. In one aspect, the display devices can include a light redirector that is optically coupled with a diffuser. The light redirector includes a plurality of holographic features that can receive near-collimated light at non-normal angles with respect to a normal to a surface of the light redirector and redirects the received light along a direction that is substantially normal to the surface. | 05-14-2015 |
20150109675 | EMBEDDED SURFACE DIFFUSER - A diffuser stack may include a first film with a first index of refraction and a second film proximate the first film. The second film may have a second index of refraction that is higher than the first index of refraction. An interface between the first film and the second film may include an array of microlenses of substantially randomized sizes. The microlenses may include sections of features that are substantially spherical, polygonal, conical, etc. The first and second films may be disposed between an array of pixels and a substantially transparent substrate. An anti-reflective layer may be disposed between the first film and the second film. | 04-23-2015 |
20150109355 | SPATIO-TEMPORAL VECTOR SCREENING FOR COLOR DISPLAY DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying high bit-depth images using spatial vector screening and/or temporal dithering on display devices including display elements that have multiple primary colors. The systems, methods and apparatus described herein can be configured to select a method of rendering high bit-depth images and/or videos on low bit-depth devices based on the operating speed of the display device. | 04-23-2015 |
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 |
20150108986 | CLOSED LOOP DYNAMIC CAPACITANCE MEASUREMENT - This disclosure provides systems, methods and apparatus for measuring capacitance of a display unit, such as an interferometric modulator (IMOD). In one example, a circuit may include an operational amplifier (op-amp), a voltage controlled current source, and feedback from an output of the op-amp as an input to the voltage controlled current source. An output of the voltage controlled current source may be provided to a display unit as well as an input of the op-amp. A second input of the op-amp may be provided a ramping reference voltage. | 04-23-2015 |
20150099371 | NOZZLE DESIGNS FOR DISTRIBUTION OF REACTANTS ACROSS SUBSTRATES - Systems, methods and apparatus for processing a substrate are described. A reactor includes a reaction chamber, a composite nozzle, and a reaction chamber outlet. The composite nozzle extends along a side of the chamber and includes a first nozzle and a second nozzle separate from and parallel the first nozzle. Each nozzle includes a body extending along an axis of elongation, an inlet providing communication between at least one source of a common species and an inner volume of the body, and holes spaced along the axis. The holes provide fluid communication between the inner volume and the chamber. The outlet is configured to allow flow from the composite nozzle through the chamber to the outlet. The first nozzle inlet is positioned at a first end of the first body, and the second nozzle inlet is positioned at a second end of the second body. The second end is opposite the first end of the first body. | 04-09-2015 |
20150099359 | NOZZLE DESIGN FOR IMPROVED DISTRIBUTION OF REACTANTS FOR LARGE FORMAT SUBSTRATES - Systems, methods and apparatus for processing a substrate are disclosed. A reactor for processing a substrate includes a reaction chamber, a substrate support, a nozzle, and an outlet. The chamber is configured to process a single substrate on the substrate support. The nozzle extends along an axis of elongation along a side of the chamber. The nozzle includes a nozzle body forming an inner volume, an inlet providing fluid communication between a reactant source and the inner volume, and a plurality of holes spaced along the axis of elongation. The holes provide fluid communication between the inner volume of the nozzle body and the reaction chamber. The nozzle is configured such that fluid conductance through the holes increases with increasing distance from the inlet. The outlet is configured to allow flow from the nozzle through the reaction chamber to the outlet. The flow is parallel to a major surface of the substrate. | 04-09-2015 |
20150098243 | ILLUMINATION DEVICE WITH SPACED-APART DIFFRACTIVE MEDIA - This disclosure provides systems, methods and apparatus for an illumination system. In one aspect, the illumination system is a light guide that includes spaced-apart regions of medium containing diffractive features. For example, the medium may include holographic medium having holograms that are configured to redirect light, propagating through the light guide, out of the light guide. The spaces between the spaced-apart regions of media may be filled with a material having a lower refractive index than the light guide, thereby functioning as a reflective cladding in those spaces. | 04-09-2015 |
20150091179 | SEMICONDUCTOR DEVICE WITH VIA BAR - A semiconductor device comprising a second surface of a logic die and a second surface of a via bar coupled to a first surface of a substrate, a second surface of a memory die coupled to a first surface of the via bar, a portion of the second surface of the memory die extending over the first surface of the logic die, such that the logic die and the memory die are vertically staggered, and the memory die electrically coupled to the logic die through the via bar. The via bar can be formed from glass, and include through-glass vias (TGVs) and embedded passives such as resistors, capacitors, and inductors. The semiconductor device can be formed as a single package or a package-on-package structure with the via bar and the memory die encapsulated in a package and the substrate and logic die in another package. | 04-02-2015 |
20150084980 | CONSTRAINED COLOR PALETTE FOR MULTI-PRIMARY DISPLAY DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying high bit-depth images using temporal modulation on display devices including display elements that have multiple primary colors. In order to reduce visual artifacts produced by angular metamerism, the display elements are configured to display only those combinations of the different primary colors that satisfy certain constraints. Color combinations of the multiple primary colors that satisfy these constraints are included in a constrained color palette that includes fewer than all the possible colors that can be provided by all combinations of the primary colors. | 03-26-2015 |
20150070750 | OPTICAL FIBER ARRAY FOR ACHIEVING CONSTANT COLOR OFF-AXIS VIEWING - Some implementations described herein involve defining a viewing angle range, also referred to herein as a viewing cone. The viewing cone may be produced by an array of optical fibers on a display. The optical fiber array may include tapered optical fibers that are capable of increasing the amount of light transmitted through the optical fiber array. The optical fiber array may be a graded index optical fiber array, wherein the refractive index of the optical fiber cores varies along the axis of the optical fibers. | 03-12-2015 |
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 |
20150070320 | PHOTOCONDUCTIVE OPTICAL TOUCH - An optical touch sensor may include traces of photoconductive material formed on a substantially transparent substrate. Each photoconductive trace may be capable of responding to an incident light intensity increase on a portion of the photoconductive trace by increasing the number of charged carriers, thereby raising the electrical conductivity of that portion of the photoconductive trace. An incident light intensity decrease on a portion of the photoconductive trace will lower the electrical conductivity of that portion of the photoconductive trace. The corresponding changes in voltage may be measured by circuits that include conductive traces formed substantially perpendicular to, and configured for electrical connection with, the traces of photoconductive material. A diode (such as a Schottky diode) may be formed at the electrical connections between the conductive traces and the photoconductive traces. | 03-12-2015 |
20150048514 | STACKED VIA STRUCTURES AND METHODS OF FABRICATION - This disclosure provides systems, methods and apparatus for a stacked via having a top via structure and a bottom via structure. In one aspect, the bottom via structure includes a bottom dielectric layer and a bottom via extending through the bottom dielectric layer. The bottom via includes a bottom metal formed on the bottom dielectric layer, where the bottom via is substantially filled by a dielectric material. The top via structure includes a top dielectric layer over the bottom metal and a top via extending to a top plane of the bottom via in the top dielectric layer. The top via includes a top metal formed on the top dielectric layer, where the top metal is in electrical contact with the bottom metal at a peripheral area of the bottom via structure. | 02-19-2015 |
20150035839 | SYSTEM AND METHOD FOR PROVIDING POSITIVE AND NEGATIVE VOLTAGES WITH A SINGLE INDUCTOR - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for providing positive and negative voltages using a single inductor. In one aspect, the apparatus includes a single inductor having a first end and a second end. The first end is coupled to a first switch and configured to connect to either a power source or a negative output node depending on the state of the first switch. The second end is coupled to a second switch and is configured to connect to either a ground potential or a positive output node depending on the state of the second switch. The apparatus further includes a controller adapted to configure the switches into one of a plurality of configurations at a time. | 02-05-2015 |
20150035638 | INTEGRATION OF A COIL AND A DISCONTINUOUS MAGNETIC CORE - A particular device includes a coil and a discontinuous magnetic core. The discontinuous magnetic core includes a first elongated portion, a second elongated portion, and at least two curved portions, where the portions are coplanar and physically separated from each other. The discontinuous magnetic core is arranged to form a discontinuous loop. The discontinuous magnetic core is deposited as a first layer above a dielectric substrate. A first portion of the coil extends above a first surface of the magnetic core. A second portion of the coil extends below a second surface of the magnetic core. The second portion of the coil is electrically coupled to the first portion of the coil. The second surface of the magnetic core is opposite the first surface of the magnetic core. | 02-05-2015 |
20140354697 | ANALOG INTERFEROMETRIC MODULATOR COLOR CALIBRATION - This disclosure provides systems, methods and apparatus for calibration of analog display elements such as analog interferometric modulators (IMODs). In one aspect, display devices include both a light-turning layer and integrated color sensor in order to provide feedback on the operation of the display. In particular, the integrated color sensors can be used to determine a relative shift in a color signal output by an analog display element. | 12-04-2014 |
20140352440 | ULTRASONIC SENSOR WITH BONDED PIEZOELECTRIC LAYER - This disclosure provides systems, methods and apparatus related to an ultrasonic sensor for detecting ultrasonic energy. In some implementations, the ultrasonic sensor includes a piezoelectric receiver layer bonded with an adhesive to an array of pixel circuits disposed on a substrate, each pixel circuit in the array including at least one thin film transistor (TFT) element and having a pixel input electrode electrically coupled to the pixel circuit. Methods of forming ultrasonic sensors include bonding piezoelectric receiver layers to TFT arrays. | 12-04-2014 |
20140349469 | PROCESSING FOR ELECTROMECHANICAL SYSTEMS AND EQUIPMENT FOR SAME - This disclosure provides systems, methods and apparatus for processing multiple substrates in a processing tool. An apparatus for processing substrates can include a process chamber, a common reactant source, and a common exhaust pump. The process chamber can be configured to process multiple substrates. The process chamber can include a plurality of stacked individual subchambers. Each subchamber can be configured to process one substrate. The common reactant source can be configured to provide reactant to each of the subchambers in parallel. The common exhaust pump can be connected to each of the subchambers. | 11-27-2014 |
20140268873 | THIN ILLUMINATION SYSTEM - The present invention introduces a new class of thin doubly collimating light distributing engines for use in a variety of general lighting applications. Output illumination from these slim-profile illumination systems whether square, rectangular or circular in physical aperture shape is directional, square, rectangular or circular in beam cross-section, and spatially uniform and sharply cutoff outside the system's adjustable far-field angular cone. Some embodiments provided include thin light distributing engines which provide input light collimated in one meridian and a light distributing element that maintains input collimation while collimating output light in the un-collimated orthogonal meridian, in such a manner that the system's far-field output light is collimated in both its orthogonal output meridians. The present invention can also include optical films that process the engine's doubly collimated output illumination so as to increase its angular extent one or both output meridians without changing beam shape or uniformity. | 09-18-2014 |
20140267875 | IMAGING METHOD AND SYSTEM WITH OPTICAL PATTERN GENERATOR - This disclosure provides systems, methods and apparatus for imaging. In one aspect, the imaging system can include a light sensor, a light guide, an optical pattern generator, and a processor. The light guide can include light turning features configured to receive ambient light and to direct the ambient light out through an output surface of the light guide to the light sensor. The optical pattern generator can be configured to generate a light intensity pattern upon the passage of the ambient light through the optical pattern generator and project the light intensity pattern onto the light sensor. The processor can be configured to construct an image based on the light intensity pattern. | 09-18-2014 |
20140267756 | Microbolometer supported by glass substrate - This disclosure provides systems, methods and apparatus for forming microbolometers on glass substrates. In one aspect, the formation of microbolometers on glass substrates can reduce the size and cost of the resultant array and associated circuitry. In one aspect, a portion of the measurement and control circuitry can be formed by thin-film deposition on the glass substrate, while sensitive measurement and control circuitry can be formed on ancillary CMOS substrates. In one aspect, the microbolometers may be packaged using a variety of techniques, including a wafer-level packaging process or a pixel-level packaging process. | 09-18-2014 |
20140267443 | ELECTROMECHANICAL SYSTEMS DEVICE WITH SEGMENTED ELECTRODES - This disclosure provides systems, methods and apparatus for increasing a range of stable travel positions of a movable layer within electromechanical systems (EMS) devices. In one aspect, an electrically isolated floating electrode can be disposed between a driving electrode within a movable layer and a fixed electrode in order to increase a stable travel range of the movable layer. By segmenting the electrically isolated floating electrode into multiple isolated electrode segments, unbalanced charge accumulation in response to tilting of the movable layer can be constrained to further increase the stable travel range of the movable layer. | 09-18-2014 |
20140267211 | METHODS AND SYSTEMS FOR DRIVING SEGMENT LINES IN A DISPLAY - This disclosure provides systems, methods and apparatus for energy efficient voltage transitions when driving EMS or MEMS systems. In one aspect, a MEMS display array may have segment electrodes driven by a source of approximately constant current. The substantially constant current may be generated by a buck regulator including an inductor. | 09-18-2014 |
20140267210 | ACTIVE CAPACITOR CIRCUIT FOR DISPLAY VOLTAGE STABILIZATION - This disclosure provides systems, methods and apparatus including computer programs encoded on computer storage media for stabilization of display voltages when driving electromechanical display devices. In one aspect, a display apparatus is provided. The display apparatus includes a display array having row electrodes and column electrodes. The row electrodes are driven by a first voltage and the column electrodes are driven by a second voltage corresponding to image data. The display apparatus further includes a capacitor having a first side coupled to one or more row electrodes. The display apparatus further includes an active circuit having an output terminal coupled to a second side of the capacitor and an input terminal coupled to the one or more row electrodes. The active circuit is configured to output a base voltage applied to the second side of the capacitor. | 09-18-2014 |
20140267207 | METHOD AND APPARATUS FOR VERIFYING DISPLAY ELEMENT STATE - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for verifying actuation of an IMOD display element. In one aspect, a display apparatus is provided. The display apparatus includes an interferometric modulator (IMOD) display element coupled to a row electrode and coupled to a column electrode. The display apparatus further includes a driver circuit configured to apply voltage waveforms corresponding to image data to the row and column electrodes coupled to the IMOD display element to control actuation of the IMOD display element. The display apparatus further includes a detection circuit configured to detect actuation of the IMOD display element using the voltage waveforms. | 09-18-2014 |
20140267197 | COLOR PERFORMANCE OF IMODS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and controlling single-mirror interferometric modulators (IMODs), which may be multi-state IMODs or analog IMODs. In one aspect, a movable reflector stack or an absorber stack of an IMOD may include at least one protrusion that is configured to cause the movable reflector stack to be tilted relative to the absorber layer when the movable reflector stack is moved close to the absorber stack. The protrusion may be configured to cause color averaging when the IMOD is in a white state. The absorber stack may include an absorber layer having a lower extinction coefficient value at a red wavelength and a higher extinction coefficient value at a blue wavelength. | 09-18-2014 |
20140267166 | COMBINED OPTICAL TOUCH AND GESTURE SENSING - This disclosure provides systems, methods and apparatus for combined optical touch and gesture sensing systems. In one aspect, a bezel surrounding a display surface includes multiple output surfaces which can be configured to direct infrared light both across a device surface to detect touch input and into the area overlying the device surface to detect gesture input. In one aspect, a light-guiding layer having light-turning features can be used to redirect light reflected from an overlying object to photodiodes at the periphery of the device surface. In one aspect, the touch and gesture sensing may be performed in an alternating fashion rather than simultaneously, allowing some components of the combined touch and gesture sensing system to be used in the detection of both touch and gesture. | 09-18-2014 |
20140267132 | Comprehensive Framework for Adaptive Touch-Signal De-Noising/Filtering to Optimize Touch Performance - A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus estimates an amount of future noise that can affect the touch screen. The apparatus alters a sensitivity of the touch screen based on the estimated amount of the future noise. | 09-18-2014 |
20140265641 | ZERO CURRENT SWITCHING WITH A SECONDARY ENERGY STORAGE CAPACITOR IN A SOLAR INVERTER - This disclosure provides devices and methods for efficiently converting a solar panel DC output to a desired AC or DC output. In one aspect, zero current switching is enabled via a resonant circuit load. In another aspect, switching losses are reduced via an inductor in series with a switch. In another aspect, a more reliable energy storage device may be used. | 09-18-2014 |
20140264809 | BACKPLATE INTERCONNECT WITH INTEGRATED PASSIVES - This disclosure provides systems, methods and apparatus for manufacturing display devices having electronic components mounted within a display device package. In one aspect, the electronic component connects to the exterior of the display device through pads that run below a seal that holds a substrate and a backplate of the display device together. In another aspect the electronic components also connect to an electromechanical device within the display device, as well as connecting to pads that are external to the display device. | 09-18-2014 |
20140264034 | NEAR-FIELD OPTICAL SENSING SYSTEM - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for sensing touch and/or gestures in the near-field area overlying a light-guiding layer within a device or other optical sensing system. In one aspect, modulated infrared light is emitted into the overlying area, and the light reflected by objects within the overlying area is redirected through the light-guiding layer to infrared sensors. In one aspect, a masking structure can be located between the light-guiding layer and the infrared sensors. In some aspects, probability mapping or backtracing can be used to estimate the locations of objects within the overlying area. | 09-18-2014 |
20140261622 | SUN-TRACKING PHOTOVOLTAIC SOLAR CONCENTRATOR PANEL - Systems, methods and apparatus are disclosed, including a light collector having a plurality of focusing elements and a plurality of light redirecting features that is optically coupled to one or more photovoltaic (PV) cells. In one aspect, the light collector includes half-cylinder shaped lenses that can focus light incident at various angles onto an elongate v-groove in the light guide such that a first portion of the incident light is diverted to one or more PV cells and a second portion of the incident light is transmitted through the light collector to provide illumination. | 09-18-2014 |
20140253611 | METHODS AND APPARATUS FOR COLOR RENDERING - Disclosed are methods and apparatus for rending colors in displays, such as adjustable interferometric modulation displays that can produce many colors with different sub-sets of primary colors. Received colors to be rendered are analyzed to determine when the colors to be rendered are within a predefined neutral region of a color space. Temporal primary colors may be generated to be used for rendering the received colors in a color space that are generated by temporal modulation using at least two temporal subframes to mix first and second primary colors of a display, such as white and black primaries. The temporal primary colors are used when rendering colors that lie within the predefined neutral region of the color space. When white and black primaries are used for temporal modulation, the produced grayscale temporal primaries are more robust than using two complementary colors, affording more robust neutral and near neutral colors. | 09-11-2014 |
20140253427 | GESTURE BASED COMMANDS - Techniques described herein enable a computing device to detect a user hand gesture in near field using less expensive hardware by capturing enough information in coarse resolution. Furthermore, techniques described herein detect an object, such as a hand by characterizing the object without fully reconstructing the object. In one embodiment, embodiments of the invention performed by the computing device detect the number of unfurled fingers passing through the detectable region of the field of view of the detection surface of a computing device and the direction of the movement of the user's hand. The computing device may determine a user command in response to detecting the user gesture and provide feedback to the user. | 09-11-2014 |
20140251411 | LARGE AREA PHOTOVOLTAIC ENERGY-COLLECTING WINDOW/SKYLIGHT - This disclosure provides photovoltaic energy collecting systems, and methods of making such systems. In one implementation, an apparatus includes transmissive light collection panels, each panel having at least one photovoltaic cell on an edge of the panel. The panel is configured to pass through a first portion of incident light and use a second portion of incident light to generate photovoltaic energy. The apparatus also includes a first and second electrical output terminal, a first and second electrical bus, and a metallic frame assembly having multiple openings, each light collection panel being disposed in one of the openings. The frame assembly includes a cavity that houses the first and second electrical bus, the first electrical bus connected to each photovoltaic cell and to the first electrical output terminal, and the second electrical bus is connected to each photovoltaic cell and to the second electrical output terminal. | 09-11-2014 |
20140247269 | HIGH DENSITY, LOW LOSS 3-D THROUGH-GLASS INDUCTOR WITH MAGNETIC CORE - This disclosure provides systems, methods and apparatus for three-dimensional (3-D) through-glass via inductors. In one aspect, the through-glass via inductor includes a glass substrate with a first cavity, a second cavity, and at least two through-glass vias. The through-glass vias include metal bars that are connected by a metal trace. The metal bars and the metal trace define the inductor, and each cavity is at least partially filled with magnetic material. The magnetic material can include a plurality of particles having an average diameter of less than about 20 nm. The first cavity can be inside the inductor and the second cavity can be outside inductor. In some implementations, the first and the second cavity can be vias that extend only partially through the glass substrate. | 09-04-2014 |
20140240813 | ANNULUS SCATTERING DIFFUSER FOR DISPLAY WITH REFLECTIVE SURFACE - This disclosure provides systems, methods and apparatus for enhancing the brightness and/or contrast ratio of display devices. In one aspect, the display devices can include an annular diffuser that is configured to scatter light into a ring shaped region. The annular diffuser can include a plurality of axicon lenses or holographic features. The reflective display can include an annular diffuser to shift the direction along which most of the modulated light is scattered away from the direction along which light is specularly reflected by the display devices to reduce specular glare and enhance brightness and/or contrast ratio. | 08-28-2014 |
20140218786 | DEVICES AND METHODS FOR ACHIEVING NON-CONTACTING WHITE STATE IN INTERFEROMETRIC MODULATORS - This disclosure provides systems, methods and apparatus for providing white light color output from an electromechanical systems (EMS) device with reduced likelihood of stiction. In one aspect, interferometric modulators are configured to provide a white color output while having a non-zero modulator gap dimension. Such a feature can reduce problems associated with zero modulator gap dimensions such as stiction. Various methodologies can be used to yield such a non-zero modulator gap and a white color output. In some implementations, for example, an optical element that introduced wavelength dependent phase shift is used. In some implementations this wavelength dependent phase shifting optical element includes a stack of color filters, a hologram, a diffraction grating, or layers of material having specific thicknesses and wavelength dependent indices of refraction. | 08-07-2014 |
20140218784 | MATCHING LAYER THIN-FILMS FOR AN ELECTROMECHANICAL SYSTEMS REFLECTIVE DISPLAY DEVICE - This disclosure provides systems, methods and apparatus for an electromechanical systems reflective display device. In one aspect, an electromechanical systems display device includes a reflective layer and an absorber layer. The absorber layer is spaced apart from the reflective layer to define a cavity between the absorber layer and the reflective layer. The absorber layer is capable of transmitting light into the cavity, absorbing light, and reflecting light, and includes a metal layer. A plurality of matching layers are on a surface of the absorber layer facing away from the cavity, the plurality of matching layers including a first matching layer disposed on the absorber layer and a second matching layer disposed on the first matching layer. | 08-07-2014 |
20140218418 | IMAGE-DEPENDENT TEMPORAL SLOT DETERMINATION FOR MULTI-STATE IMODS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for selecting a temporal modulation method according to an analysis of image data and for controlling a pixel array according to the temporal modulation method. The analysis may involve analyzing at least one of image content data or image gamut data. | 08-07-2014 |
20140218284 | INTEGRATED FRONT LIGHT SOLUTION - An integrated illumination apparatus includes a light injection portion having a first end for receiving light. The light injection portion supports propagation of light along the length of the light injection portion. Turning microstructure disposed on a first side of the light injection portion is configured to turn light incident on the first side and to direct light out a second opposite side of the light injection portion. A slit disposed along the length of the light injection portion forms an optical interface on the second opposite side of the light injection portion. The optical interface further transmits light turned by the turning microstructure. A light distribution portion is disposed with respect to the slit to receive the light transmitted through the slit. At least one bridge mechanically connects the light injection portion to the light distribution portion. | 08-07-2014 |
20140210866 | SYSTEMS, DEVICES, AND METHODS FOR DRIVING AN ANALOG INTERFEROMETRIC MODULATOR - Display elements of a display array include at least one fixed layer and a movable layer. The movable layer is positioned with respect to the at least one fixed layer by placing a charge on the movable layer and applying a voltage to the at least one fixed layer. The at least one fixed layer may be two layers positioned on either side of the movable layer. The movable layer may be positioned in a desired position when driving an array of display elements by executing a reset stage, a charging stage, and a bias stage. | 07-31-2014 |
20140210836 | LAYER FOR REDUCED CHARGE MIGRATION BETWEEN MEMS LAYERS - This disclosure provides systems, methods and apparatus for reducing image artifacts that arise when a display is exposed to sunlight over time. Various implementations disclosed herein can be implemented to prevent charge injection from inducing a negative offset voltage shift for display elements in the display. In one aspect, a buffer layer is applied to block electrons from being photoelectrically ejected from a movable reflective layer of a display element and into a stationary optical stack of the display element. | 07-31-2014 |
20140210835 | METAL OXIDE LAYER COMPOSITION CONTROL BY ATOMIC LAYER DEPOSITION FOR THIN FILM TRANSISTOR - This disclosure provides systems, methods and apparatus for a thin film transistor (TFT) device on a substrate. In one aspect, the TFT device includes a gate electrode, an oxide semiconductor layer, and a gate insulator between the gate electrode and the oxide semiconductor layer. The oxide semiconductor layer includes at least two metal oxides, with the two metal oxides having a varying concentration relative to one another between a lower surface and an upper surface of the oxide semiconductor layer. The TFT device also includes a source metal adjacent to a portion of the oxide semiconductor layer and a drain metal adjacent to another portion of the oxide semiconductor layer. The composition of the oxide semiconductor layer can be precisely controlled by a sequential deposition technique using atomic layer deposition (ALD). | 07-31-2014 |
20140203167 | OPTICAL SENSING INTERFACE WITH MODULATION GRATINGS - This disclosure provides implementations of systems, devices, components, methods, and techniques for producing an optical sensing interface capable of detecting touches or gestures. In one aspect, an apparatus includes a light source, a photo-detector, and a substrate. The apparatus includes an emitting waveguide that extends at least partially over the substrate and that is configured to propagate light from the light source to one or more corresponding emitting portions. Each emitting portion is capable of emitting at least a portion of the light outwards from a plane defining the substrate. The apparatus further includes a sensing waveguide that extends at least partially over the substrate and that includes one or more sensing portions. Each sensing portion is arranged proximate an emitting portion and is capable of receiving light scattered by an object over the corresponding emitting portion. The sensing waveguide is configured to propagate the received light to the photo-detector. | 07-24-2014 |
20140198363 | METHOD FOR GENERATING A POINT LIGHT SOURCE IN A PLANE AT AN ARBITRARY LOCATION USING A DYNAMIC HOLOGRAM - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for providing a display device. In one aspect, the display device may include a light source system, a programmable hologram system, a light-turning layer and a control system. A control system may control the programmable hologram system to generate a sequence of holographic images of point light sources. The control system may control the programmable hologram system according to software stored in a non-transitory medium. By scanning a sequence of holographic images of point light sources across the light-turning layer, a frame of image data can be reproduced on the display device. | 07-17-2014 |
20140198126 | METHODS AND APPARATUS FOR REDUCED LOW-TONE HALF-TONE PATTERN VISIBILITY - This disclosure provides methods, apparatus, and computer programs encoded on computer storage media for reduced low tone pattern visibility. In one aspect, the disclosed methods receive an input image including a plurality of pixels, quantize the plurality of pixels, set half-tone image pixels corresponding to the portion of the input pixels that are below a crush threshold to a crushed value, and diffuse the quantization error resulting from the quantizing to half-tone image pixels other than the portion. In some implementations, the half-tone image pixels are then output to an output device such as an electronic display. | 07-17-2014 |
20140192395 | DEVICE HAVING A CONDUCTIVE LIGHT ABSORBING MASK AND METHOD FOR FABRICATING SAME - A system and method for an optical component that masks non-active portions of a display and provides an electrical path for one or more display circuits. In one embodiment an optical device includes a substrate, a plurality of optical elements on the substrate, each optical element having an optical characteristic which changes in response to a voltage applied to the optical element, and a light-absorbing, electrically-conductive optical mask disposed on the substrate and offset from the plurality of optical elements, the optical mask electrically coupled to one or more of the optical elements to provide electrical paths for applying voltages to the optical elements. In another embodiment, a method of providing an electrical signal to optical elements of a display comprises electrically coupling an electrically-conductive light-absorbing mask to one or more optical elements, and applying a voltage to the mask to activate the one or more optical elements. | 07-10-2014 |
20140192079 | ADAPTIVE TEMPORAL DITHER SCHEME FOR DISPLAY DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying high resolution images using an adaptive temporal dithering scheme on display devices having two or more color planes. The adaptive temporal dithering scheme includes identifying the dither visibility of an image to be displayed by the color planes and adaptively applying temporal dithering to the color plane having the highest dither visibility. In one aspect, temporal dithering can be adaptively applied between two different color planes on a frame-by-frame basis based at least partly on the dither visibility of the image content. | 07-10-2014 |
20140192060 | CONTROLLING MOVABLE LAYER SHAPE FOR ELECTROMECHANICAL SYSTEMS DEVICES - Systems, methods and apparatus are provided for controlling launch effects of movable layers in electromechanical systems (EMS) devices. First and second EMS devices with first and second step creating layers are positioned over a substrate and spaced, by different gaps, from the movable layers of the EMS devices. The movable layers of the first and second EMS devices include steps having different heights and/or different edge spacing from the center of an anchoring region of each EMS device. The different steps can provide different launch effects for different EMS devices, and if the same thickness of sacrificial material is used for the different devices, the different launch effects can be responsible for different gap heights in the unbiased conditions. | 07-10-2014 |
20140191981 | SYSTEM AND METHOD TO DISPLAY CONTEXTUAL INFORMATION ON A HANDHELD DEVICE HAVING A SECONDARY AMBIENT DISPLAY - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for controlling a display device that includes a first display and a second display. In one aspect, one or more sets of content may be generated or provided by one or more applications. Content may be prioritized within the sets of content or among the sets of content or both. Information pertaining to at least a portion of at least one of the sets of content generated or provided by at least one of the applications may be rendered to one or more of a plurality of regions of the second display according to a result of the prioritizing such that each of the at least one of the applications or content types associated therewith is mapped to a different one of the plurality of regions of the second display. | 07-10-2014 |
20140191980 | SYSTEM FOR REUSE OF TOUCH PANEL AND CONTROLLER BY A SECONDARY DISPLAY - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for controlling a display device that includes a first display, a touch screen disposed on the first display and a second display. In one aspect, the first display may be disposed on a first side of the display device (e.g., the front side) and the second display may be disposed on a second side of the display device (e.g., the back side). The second display may consume less power than the first display. Even when the first display is switched off, a control system may be configured to control the second display in response to input received from the touch screen disposed on the first display. The control system may be further configured to control the first display in response to input received from the touch screen when the first display is switched on or when the second display is not in use. | 07-10-2014 |
20140191926 | DEVICE AND METHOD FOR RENDERING CONTENT TO MULTIPLE DISPLAYS - This disclosure provides methods and apparatus, including non-transitory processor instructions on computer storage media, which enable a dual-display device to automatically select and render content to a display. Dual-display devices may include devices with a primary and a secondary display, the secondary display consuming less power than the primary display and having reduced glare when viewed in sunlight. In one aspect, the selection of the display may be based upon at least two of: a battery state of the device, an ambient illumination, and an item of content to be displayed. | 07-10-2014 |
20140177188 | LASER ENCAPSULATION OF MULTIPLE DISSIMILAR DEVICES ON A SUBSTRATE - This disclosure provides systems, methods and apparatus for packaging of dissimilar devices using electromagnetic radiation from a laser. In one aspect, an apparatus can include a first substrate, a second substrate, and a first device and a second device disposed on the second substrate. A first metal ring on the first substrate contacts a second metal ring on a second substrate, and is heated by a first electromagnetic radiation from a laser to enclose a first cavity containing the first device. A third metal ring on the first substrate contacts a fourth metal ring on the second substrate, and is heated by a second electromagnetic radiation to enclose a second cavity containing the second device. Enclosing the first cavity may be performed under a first atmosphere, and the enclosing the second cavity may be performed under a second, different atmosphere. | 06-26-2014 |
20140175055 | ADJUSTABLE COIL FOR INDUCTIVELY COUPLED PLASMA - Systems, methods and apparatus for fabricating devices use an inductively-coupled plasma. An inductively coupled plasma system includes a reaction chamber including a reaction space and a coil chamber. The system includes a workpiece support within the reaction space. The system includes a first inductive coil section and a second inductive coil section, the first and second inductive coil sections being independently movable. At least one power source is coupled to the first and second inductive coil sections. The first and second inductive coil sections and the at least one power source are configured to induce an inductively coupled plasma (ICP) in the reaction space. An adjustment mechanism is configured to move the first inductive coil section relative to the second inductive coil section. | 06-26-2014 |
20140174955 | HIGH FLOW XEF2 CANISTER - This disclosure provides systems, methods and apparatus for delivery of gas from solid phase sources. A solid phase gas source canister can include multiple separated volumes configured to contain multiple quantities of a solid phase gas source. Sublimated vapor can be independently produced by each quantity of the solid phase gas source. In some implementations, the solid phase gas source canisters are configured for simultaneous fill of the multiple volumes with a solid source gas phase powder. | 06-26-2014 |
20140168223 | PIXEL ACTUATION VOLTAGE TUNING - This disclosure provides systems, methods and apparatus for electromechanical systems displays. In one aspect, the display can include a plurality of electromechanical display elements including a first set of electromechanical display elements and a second set of electromechanical display elements. Each electromechanical display element can include a common electrode and a segment electrode. Each of the segment electrodes of the first set of electromechanical display elements can have a first area located under the common electrodes of the first set. Each of the segment electrodes of the second set of electromechanical display elements can have a second area smaller than the first area located under the common electrodes of the second set. In some implementations, an actuation voltage of each electromechanical display element of the first set is approximately the same as an actuation voltage of each electromechanical display element of the second set. | 06-19-2014 |
20140168040 | MOTION COMPENSATED VIDEO HALFTONING - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for halftoning video images for presentation on an electronic display. In one aspect, input frames of video data may be received, where each input frame includes a number of input pixels, each input pixel having a respective first spatial coordinate location. For each input pixel, an output pixel is generated using a selected halftone value. The selected halftone value is substantially identical to a halftone value of a corresponding pixel in a comparison frame, where a spatial coordinate location of the “corresponding pixel” is determined based on a motion vector of an image element with which the pixel is associated. | 06-19-2014 |
20140160137 | FIELD-SEQUENTIAL COLOR MODE TRANSITIONS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for selecting an operational mode of a reflective display device from a plurality of operational modes that include at least one field-sequential color mode. The operational mode may be selected based, at least in part, on ambient light data. The ambient light data may include ambient light intensity data, ambient light spectrum data and/or ambient light direction data. The operational mode may be selected based, at least in part, on other criteria, such as display application type and/or battery state data. | 06-12-2014 |
20140159636 | SOLAR ENERGY HARVESTING SKYLIGHTS AND WINDOWS WITH INTEGRATED ILLUMINATION - This disclosure provides systems, methods and apparatus that can generate PV power and simultaneously provide artificial lighting. The devices disclosed herein include a first optical structure having a plurality of focusing elements that can collect and focus ambient light onto a first set of light redirecting elements that is optically coupled to at least photovoltaic (PV) cell. The devices also include at least one illumination source that is optically coupled to a first edge of a second optical structure including a second set of light redirecting elements that can direct light from the at least one illumination source out of the device to provide artificial lighting. The at least one photovoltaic cell is coupled to a second edge of the second optical structure. | 06-12-2014 |
20140159587 | DYNAMIC ADAPTIVE ILLUMINATION CONTROL FOR FIELD SEQUENTIAL COLOR MODE TRANSITIONS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for selecting an operational mode of a display device from a plurality of operational modes. The operational modes may include at least one field-sequential color mode in which a display is illuminated with white light while data are written to the display. The operational mode may be selected based, at least in part, on ambient light data. The ambient light data may include ambient light intensity data, ambient light spectrum data and/or ambient light direction data. The operational mode may be selected based, at least in part, on other criteria, such as color gamut data, display application type and/or battery state data. | 06-12-2014 |
20140158197 | TRI-FUNCTIONAL LIGHT AND ENERGY GENERATING PANEL SYSTEM - This disclosure provides systems, methods and apparatus that can generate PV power and simultaneously provide artificial lighting. The devices disclosed herein include a first optical structure having a plurality of focusing elements that can collect and focus ambient light onto a first set of light redirecting elements that is optically coupled to one or more photovoltaic (PV) cells. The devices also include one or more illumination sources that are optically coupled to a light guide including a second set of light redirecting elements that can direct light from the one or more illumination sources out of the device to provide artificial lighting. The devices further include a second optical structure disposed below the first optical structure such that the one or more illumination sources and the one or more PV cells are disposed along the edges of the first or the second optical structure. | 06-12-2014 |
20140158181 | SOLAR RADIATION FILTER AND ELECTRIC POWER GENERATOR - This disclosure provides systems, methods and apparatus including a power generating and a power saving device having a plurality of shutters and a plurality of photovoltaic (PV) devices. In one aspect, each of the plurality of shutters is configured to move laterally in the plane of the shutter by the action of one or more electrostatic actuators. The array of shutters can control the amount of ambient light that is transmitted through the device. Additionally, the array of shutters can shield or expose the array of the PV devices to ambient sunlight to generate PV power. | 06-12-2014 |
20140146435 | IN-PLANE MEMS VARACTOR - This disclosure provides systems, methods and apparatus for providing an in-plane electromechanical systems (EMS) varactor. In one aspect, the in-plane EMS varactor may include in-plane relative translation between a second portion and a first portion. Such translation may cause a change in a gap or overlap between first electrodes that remain fixed with respect to the first portion and second electrodes that remain fixed with respect to the second portion that may cause a change in capacitance between the first and second electrodes. In some implementations, the configuration of the second portion and the first portion may be either of two mechanically bi-stable states. | 05-29-2014 |
20140146088 | PATTERNED ILLUMINATION SCANNING DISPLAY - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for providing a compact, low-sensor count scanning display that is capable of both displaying graphical content and of capturing images of objects placed on or above the scanning display. Various implementations are discussed, including raster scan, line scan, and compressive sampling version. | 05-29-2014 |
20140144681 | ADHESIVE METAL NITRIDE ON GLASS AND RELATED METHODS - This disclosure provides systems, methods and apparatus for an adhesive metal nitride layer on glass. In one aspect, a glass substrate having a surface is provided. A via with a depth to width aspect ratio of 5 to 1 or greater extends at least partially through the glass substrate. An adhesive metal nitride layer is disposed on the surface of the glass substrate and on one or more interior surfaces of the via. The adhesive metal nitride layer includes at least one of titanium nitride and tantalum nitride. | 05-29-2014 |
20140139540 | METHODS AND APPARATUS FOR INTERPOLATING COLORS - This disclosure provides methods, apparatus, and computer programs encoded on computer storage media for displaying a final color on an electronic display capable of displaying a set of native colors. In one aspect, a method includes producing a first color from drive instructions for a plurality of display devices. Some aspects include identifying a plurality of weights including at least a first weight and one or more other weights, wherein the one or more other weights are less than the first weight and proportional to the first weight. The method also includes associating the first weight with a first color from the set of native colors and recursively assigning one or more colors from the set of native colors to the one or more other weights. Some aspects determine an error between one or more native colors and a desired color. The final color is then displayed on the electronic display by displaying each of the assigned colors according to its weight. | 05-22-2014 |
20140132756 | REAL-TIME COMPENSATION FOR BLUE SHIFT OF ELECTROMECHANICAL SYSTEMS DISPLAY DEVICES - This disclosure provides systems, methods, and apparatus related to electromechanical systems display devices. In one aspect, an apparatus includes a display assembly, a sensor, and a processor. The display assembly may include an array of electromechanical systems display devices. The sensor may be configured to provide a signal indicative of an illumination angle, a viewing angle, or both, with respect to a line perpendicular to the display assembly. The processor may be configured to receive the signal from the sensor, to determine the illumination angle and/or viewing angle, and to process image data to compensate for the determined illumination angle and/or viewing angle. In one implementation, the image data is processed to compensate for a shift in a wavelength of light reflected from at least one of the electromechanical systems display devices that would have occurred as a result of a non-normal illumination and/or viewing angle. | 05-15-2014 |
20140125707 | COLOR PERFORMANCE AND IMAGE QUALITY USING FIELD SEQUENTIAL COLOR (FSC) TOGETHER WITH SINGLE-MIRROR IMODS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for applying field-sequential color (FSC) methods to displays that include single-mirror interferometric modulators (IMODs), which may be multi-state IMODs or analog IMODs. In one aspect, grayscale levels may be provided by varying a mirror/absorber gap height between black and white states. In other implementations, grayscale levels may be obtained by varying the gap height between the black state and second-order color peaks. | 05-08-2014 |
20140125432 | SELECTIVE TUNING OF ACOUSTIC DEVICES - This disclosure provides implementations of methods, apparatus and systems for producing acoustic wave devices and for selectively modifying one or more acoustic or electromechanical characteristics of such devices. In one aspect, a method includes depositing a structural layer over a substrate. The structural layer includes a plurality of structural portions, each being positioned over a corresponding device region. The method also includes arranging a mask layer over the structural layer. The mask layer includes a plurality of mask portions, each including a number of mask openings that expose a corresponding region of the structural portion. The method also includes accelerating dopant particles toward the mask layer. The accelerated dopant particles that proceed through the mask openings are impacted into the corresponding structural portion. The impacted dopant particles modify material properties in the structural portion, which then effect a change in the acoustic or electromechanical characteristics of the acoustic wave device. | 05-08-2014 |
20140118428 | ELECTROMECHANICAL SYSTEMS DISPLAY DEVICE INCLUDING A MOVABLE ABSORBER AND A MOVABLE REFLECTOR ASSEMBLY - This disclosure provides systems, methods, and apparatus for an analog or multistate electromechanical systems display devices including movable absorber together with a movable reflective layers. In one aspect, an electromechanical systems display device may include a movable reflector assembly and a movable absorber assembly. The absorber assembly may be disposed between the reflector assembly and a substrate. The absorber assembly may be configured to move to an absorber white state position proximate the reflector assembly and defining a first gap when the reflector assembly is in a reflector white/black position. The absorber assembly may be configured to move to a closed position closer to the substrate, defining a second gap, when the reflector assembly is in the reflector white/black position. The reflector assembly may be configured to move from the reflector white/black position to increase a height of the second gap when the absorber assembly is in the closed position. | 05-01-2014 |
20140118399 | DISTORTION CORRECTION FOR VISUAL OBJECTS IN MOTION - This disclosure provides implementations of systems, devices, components, computer products, methods, and techniques for correcting or compensating for moving visual object distortions. In one aspect, a method includes combining image data from a first frame with image data from a second frame to generate a fused image frame. Additionally or alternatively, the method can include applying a shear transformation to the image data in the first frame to generate a sheared image frame. One of, or a combination of, the fused image frame and the sheared image frame may be displayed as a pre-distorted image frame so that, when viewed on the display, the pre-distorted image frame compensates for distortion that can otherwise be perceived by a user when viewing the displayed moving visual object. | 05-01-2014 |
20140111064 | COMPOSITE DILATION MODE RESONATORS - This disclosure provides systems, methods and apparatus related to acoustic resonators that include composite transduction layers for enabling selective tuning of one or more acoustic or electromechanical properties. In one aspect, a resonator structure includes one or more first electrodes, one or more second electrodes, and a transduction layer arranged between the first and second electrodes. The transduction layer includes a plurality of constituent layers. In some implementations, the constituent layers include one or more first piezoelectric layers and one or more second piezoelectric layers. The transduction layer is configured to, responsive to signals provided to the first and second electrodes, provide at least a first mode of vibration of the transduction layer with a displacement component along the z axis and at least a second mode of vibration of the transduction layer with a displacement component along the plane of the x axis and they axis. | 04-24-2014 |
20140106684 | TRANSPARENT ANTENNAS ON A DISPLAY DEVICE - This disclosure provides systems, methods and apparatus for a display device with at least one transparent antenna. In one aspect, a transparent antenna is formed on the surface of a transparent substrate and is cooperatively coupled with a second antenna. The transparent antenna can avoid substantial interference with images produced by the display device. | 04-17-2014 |
20140104284 | THROUGH SUBSTRATE VIA INDUCTORS - This disclosure provides systems, methods, and apparatus for through substrate via inductors. In one aspect, a cavity is defined in a glass substrate. At least two metal bars are in the cavity. A first end of each metal bar is proximate a first surface of the substrate, and a second end of each metal bar is proximate a second surface of the substrate. A metal trace connects a first metal bar and a second metal bar. In some instances, one or more dielectric layers can be disposed on surfaces of the substrate. In some instances, the metal bars and the metal trace define an inductor. The inductor can have a degree of flexibility corresponding to a variable inductance. Metal turns can be arranged in a solenoidal or toroidal configuration. The toroidal inductor can have tapered traces and/or thermal ground planes. Transformers and resonator circuitry can be realized. | 04-17-2014 |
20140104184 | BACKPLATE ELECTRODE SENSOR - This disclosure provides systems, methods and apparatus for electromechanical systems (EMS) device packages having integrated sensors. In one aspect, electrodes within a packaged EMS device can be used in conjunction with an electrode disposed on another substrate within the EMS device package to form one or more capacitive sensors. The capacitive sensor may be used to determine the relative deformation of substrates within the EMS device package, which can in turn be used as part of a pressure, touch, mass, or impact measuring system. | 04-17-2014 |
20140104157 | TRANSPARENT ANTENNAS ON A DISPLAY DEVICE - This disclosure provides systems, methods and apparatus for a display device with at least one transparent antenna. In one aspect, the transparent antenna is formed on a surface of a transparent substrate and may be electrically reinforced with one or more electrically conductive traces. The transparent antenna can avoid substantial interference with images produced by the display device. | 04-17-2014 |
20140099992 | EAR POSITION AND GESTURE DETECTION WITH MOBILE DEVICE - A mobile device may include a sensor array. The sensor array may be a touch sensor array, such as a projected capacitive touch (PCT) sensor array. The mobile device may be configured to determine whether one or more sensor signals from the sensor array indicate an ear gesture and/or the presence of an ear. One or more device operations may be invoked according to the determination. | 04-10-2014 |
20140098109 | MOVABLE LAYER DESIGN FOR STRESS CONTROL AND STIFFNESS REDUCTION - Systems, methods and apparatuses reduce stress and/or reduce stiffness in a movable layer of an electromechanical systems (EMS) device. Stress or stiffness can be reduced by including one or more compressive stress layers to compensate for the tensile stress exhibited by other layers of the movable layer. The movable layer can include a dielectric core with a first tensile stress layer and a first compressive stress layer on a first side of the dielectric core, and a second tensile stress layer and a second compressive stress layer on a second side of the dielectric core. | 04-10-2014 |
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 |
20140071516 | ANALOG INTERFEROMETRIC MODULATOR - Methods and devices for calibrating and controlling the actuation of an analog interferometric modulator configured to have a plurality of actuation states. Devices and methods for calibrating an analog interferometric modulator to respond in linear relation to an applied voltage. | 03-13-2014 |
20140071173 | LINEAR COLOR SEPARATION FOR MULTI-PRIMARY OUTPUT DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, to reproduce a target color in an output device. In one aspect, the output device can include display elements and a processor. The processor can be configured to (a) receive data on the target color to be reproduced, (b) select the display element associated with the highest brightness, (c) determine a portion of the target color to be reproduced by the selected display element, (d) calculate a remaining amount of the target color, (e) use the display element having the next highest brightness as the selected display element of (c), and (f) repeat (c) to (e) iteratively until all display elements have been selected or the remaining amount of the target color is below a threshold. | 03-13-2014 |
20140071139 | IMOD PIXEL ARCHITECTURE FOR IMPROVED FILL FACTOR, FRAME RATE AND STICTION PERFORMANCE - Pixels that include display elements that are configured with different structural dimensions corresponding to the color of light they provide are disclosed. In one implementation, a display device includes an array having a plurality of electromechanical pixels disposed on a substrate, each pixel including at least a first display element and a second display element. Each of the first and second display elements interferometrically modulating light by moving a reflective element between a relaxed position spaced apart from the substrate to an actuated position further away from the substrate than the relaxed position by applying a voltage across the reflective element and a stationary electrode. The stationary electrode of each display element is sized to provide actuation of the movable reflective element using the same actuation voltage even though the electrical gap through which the reflective element moves is different within a pixel. | 03-13-2014 |
20140071118 | AUTOSTEREOSCOPIC DISPLAY WITH PRECONVERGENCE - This disclosure provides systems, methods and apparatus for use in an autostereoscopic display system. In one aspect, a display device can include a pixel array having a first set of pixels configured to display image data for a viewer's right eye and a second set of pixels configured to display image data for a viewer's left eye. The pixels of the first set can be interspersed amongst the pixels of the second set. A prismatic array can be positioned forward of the pixel array and can have a plurality of prisms coupled to the pixel array. Each prism can be aligned with a pixel from the first set of pixels and a pixel from the second set of pixels. The prisms can be configured to selectively guide light from the pixels to an associated one of the left or right eyes, thereby forming a 3D image. | 03-13-2014 |
20140069802 | APPARATUS AND METHODS FOR PHYSICAL VAPOR DEPOSITION - This disclosure provides systems, methods, and apparatus related to physical vapor deposition. In one aspect, an apparatus includes a magnet assembly including a magnet element, a substrate holder configured to hold a substrate, a target holder configured to hold a target positioned between the magnet assembly and the substrate, a motor configured to move the magnet assembly across a face of the substrate, and a controller. The controller includes program instructions for conducting a process including moving the magnet assembly across the face of the substrate using the motor to sputter material from the target onto the substrate. The material sputtered onto the substrate may have a substantially uniform thickness. | 03-13-2014 |
20140063588 | CONDUCTIVE BUS STRUCTURE FOR INTERFEROMETRIC MODULATOR ARRAY - Embodiments of an interferometric modulator are disclosed having various enhancements and features including a conductive bus. In certain embodiments, the interferometric modulator has a first conductive layer suspended over a second electrode layer. In certain embodiments, a second conductive layer is provided over the first conductive layer. One of the first and/or second conductive buses may further connect to the first electrode layer and/or the second electrode layer. Other disclosed features can be incorporated into embodiments of the interferometric modulator to improve response time, power consumption, and image resolution. | 03-06-2014 |
20140063022 | ELECTROMECHANICAL SYSTEMS DEVICE - This disclosure provides systems, methods and apparatus for electromechanical systems devices including one or more storage capacitors. In one aspect, a device includes a substrate structure, a movable element configured to move relative to the substrate structure, and at least one switch. The movable element includes a first conductive layer and a second conductive layer that form a storage capacitor. The switch is configured to control a flow of charge between a source and the storage capacitor. | 03-06-2014 |
20140043349 | DISPLAY ELEMENT CHANGE DETECTION FOR SELECTIVE LINE UPDATE - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for improving the visual appearance of displayed images at high frame rates by skipping writing lines of display data. In one aspect, clusters of changed image regions are detected, and lines are preferentially written when such clusters are detected. | 02-13-2014 |
20140043216 | BORON NITRIDE ANTISTICTION FILMS AND METHODS FOR FORMING SAME - This disclosure provides systems, methods and apparatuses for providing a boron nitride layer in a cavity of an optical electromechanical systems (EMS) device. The boron nitride layer can be deposited, for example using ALD, after removal of the sacrificial layer to define an EMS cavity. The boron nitride layer may reduce stiction between a first and second electrode structure of the EMS device. | 02-13-2014 |
20140041174 | MICROMACHINED PIEZOELECTRIC X-AXIS GYROSCOPE - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using gyroscopes. Some gyroscopes include a drive frame, a central anchor and a plurality of drive beams disposed on opposing sides of the central anchor. The drive beams may connect the drive frame to the central anchor. The drive beams may include a piezoelectric layer and may be configured to cause the drive frame to oscillate torsionally in a plane of the drive beams. The gyroscope may also include a proof mass and a plurality of piezoelectric sense beams. At least some components may be formed from plated metal. The drive frame may be disposed within the proof mass. The drive beams may constrain the drive frame to rotate substantially in the plane of the drive beams. Such devices may be included in a mobile device, such as a mobile display device. | 02-13-2014 |
20140036516 | LOW-PROFILE LED HEAT MANAGEMENT SYSTEM - This disclosure provides systems, methods and apparatus for low-profile lighting systems. In one aspect, an LED-based light engine, which may be thinner and/or lighter than conventional light engines, may be retained in both conventionally-dimensioned and low-profile light fixtures. In another aspect, a light engine can include both convective and conductive heat transfer components, the efficacy of which will vary based on the dimensions of a light fixture in which the light engine is installed. | 02-06-2014 |
20140036343 | INTERFEROMETRIC MODULATOR WITH IMPROVED PRIMARY COLORS - This disclosure provides systems, methods and apparatus related to an electromechanical display device. In one aspect, an analog interferometric modulator includes a display pixel having a movable reflector, and a movable absorbing layer. The movable absorbing layer is positionable at a variable first distance from an electrode that is substantially transparent over a visible wavelength spectrum. The movable reflector is positionable at a variable second distance from the movable absorbing layer. Changing the first distance and the second distance changes a characteristic of light reflected from the display element. | 02-06-2014 |
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 |
20140035935 | PASSIVES VIA BAR - This disclosure provides systems, methods and apparatus for glass via bars that can be used in compact three-dimensional packages, including embedded wafer level packages. The glass via bars can provide high density electrical interconnections in a package. In some implementations, the glass via bars can include integrated passive components. Methods of fabricating glass via bars are provided. In some implementations, the methods can include patterning and etching photo-patternable glass substrates. Packaging methods employing glass via bars are also provided. | 02-06-2014 |
20140035892 | INCORPORATION OF PASSIVES AND FINE PITCH THROUGH VIA FOR PACKAGE ON PACKAGE - This disclosure provides systems, methods and apparatus for glass via bars that can be used in compact three-dimensional packages, including package-on-packages (PoPs). The glass via bars can provide high density electrical interconnections in the PoPs. In some implementations, the glass via bars can include integrated passive components. Packaging methods employing glass via bars are also provided. | 02-06-2014 |
20140035836 | CHANNEL WAVEGUIDE SYSTEM FOR SENSING TOUCH AND/OR GESTURE - This disclosure relates to a channel waveguide, at least a portion of which is disposed within a viewing area of an interactive display, proximate to and substantially parallel to a user interface surface of the interactive display. A source of a first electromagnetic or acoustic signal is input to the channel waveguide. At least one detector is configured to receive, from the channel waveguide, a second signal corresponding to the first signal and to output a third signal indicative of a position of an object proximate to the channel waveguide. | 02-06-2014 |
20140035702 | HYBRID FILTER INCLUDING LC- AND MEMS-BASED RESONATORS - This disclosure provides implementations of filters and filter topologies, circuits, structures, devices, apparatus, systems, and related processes. In one aspect, a device includes one or more LC resonant circuit stages. In some implementations, each LC stage includes an inductor and a capacitor. Each LC stage also has a corresponding resonant frequency. The one or more LC stages are arranged to produce an unmodified passband over a range of frequencies having a corresponding bandwidth. One or more microelectromechanical systems (MEMS) resonators are arranged with the one or more LC stages. The one or more MEMS resonators are arranged with the one or more LC stages so as to modify characteristics of the unmodified passband such that the hybrid filter produces a modified passband having a modified bandwidth and one or more other modified band characteristics. | 02-06-2014 |
20140029858 | INTERFEROMETRIC MODULATORS AS DUAL FUNCTION ELECTRO-OPTIC AND ELECTRO-ACOUSTIC DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for using acoustic artifact data produced through normal operation of interferometric modulator (IMOD) displays to convey data in addition to the graphical content displayed using an IMOD display panel. In one aspect, such acoustic artifact data may be used to fingerprint or authenticate graphical content displayed by an IMOD display panel. In another aspect, the actuation of IMODs in an IMOD display panel may be modulated to produce a desired acoustic artifact data stream that may communicate information independently of, and simultaneously with, the display of graphical content. | 01-30-2014 |
20140029078 | DEVICES AND METHODS FOR PROTECTING ELECTROMECHANICAL DEVICE ARRAYS - This disclosure provides systems, methods and apparatus for protecting electromechanical systems (EMS) devices from mechanical interference. In one aspect, an array of EMS devices may include one or more regions in which an EMS device is replaced with a spacer structure, such that the overall height of the spacer structure is greater than the height of the surrounding EMS devices. In another aspect, resilient spacer structures can be formed overlying stable portions of an EMS device array. These resilient spacer structures may be formed from a cross-linked organic material. | 01-30-2014 |
20140028686 | DISPLAY SYSTEM WITH THIN FILM ENCAPSULATED INVERTED IMOD - This disclosure provides systems, methods and apparatus for encapsulating a display device. In one aspect, an interferometric modulator (IMOD) is formed on a substrate. The IMOD includes an absorbing layer separated from the substrate, a reflective layer between the absorbing layer and the substrate, and an optical gap between the absorbing layer and the reflective layer. One or more thin film encapsulation layers hermetically seal the IMOD between the one or more thin film encapsulation layers and the substrate. In another aspect, an optical or functional layer can be formed over the one or more thin film encapsulation layers. | 01-30-2014 |
20140028543 | COMPLEX PASSIVE DESIGN WITH SPECIAL VIA IMPLEMENTATION - This disclosure provides systems, methods and apparatus for vias in an integrated circuit structure such as a passive device. In one aspect, an integrated passive device includes a first conductive trace and a second conductive trace over the first conductive trace with an interlayer dielectric between a portion of the first conductive trace and the second conductive trace. One or more vias are provided within the interlayer dielectric to provide electrical connection between the first conductive trace and the second conductive trace. A width of the vias is greater than a width of at least one of the conductive traces. | 01-30-2014 |
20140027758 | MULTI-GATE THIN-FILM TRANSISTOR - This disclosure provides implementations of multi-gate transistors, structures, devices, apparatus, systems, and related processes. In one aspect, a device includes a thin-film semiconducting layer arranged over a substrate. A drain and source are coupled to the semiconducting layer. The device also includes first, second and third gates all arranged adjacent the semiconducting layer and configured to receive first, second, and third control signals, respectively. Dielectric layers insulate the gates from the semiconducting layer and from one another. In a first mode, the first, second, and third gates are configured such that charge is stored in a potential well in a region of the semiconducting layer adjacent the second gate. In a second mode, the first, second and third gate electrodes are configured such that the stored charge is transferred through the region of the semiconducting layer adjacent the third gate electrode and through the source to a load. | 01-30-2014 |
20140013557 | MICROMACHINED PIEZOELECTRIC X-AXIS GYROSCOPE - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using gyroscopes. Such gyroscopes may include a sense frame, a proof mass disposed outside the sense frame, a pair of anchors and a plurality of drive beams. The plurality of drive beams may be disposed on opposing sides of the sense frame and between the pair of anchors. The drive beams may connect the sense frame to the proof mass. The drive beams may be configured to cause torsional oscillations of the proof mass substantially in a first plane of the drive beams. The sense frame may be substantially decoupled from the drive motions of the proof mass. Such devices may be included in a mobile device, such as a mobile display device. | 01-16-2014 |
20140009816 | ANNULUS SCATTERING DIFFUSER FOR REFLECTIVE DISPLAY - This disclosure provides systems, methods and apparatus for enhancing the brightness and/or contrast ratio of display devices. In one aspect, the display devices can include an annular diffuser that is configured to scatter light into a ring shaped region. The annular diffuser can include a plurality of axicon lenses or holographic features. The reflective display can include an annular diffuser to shift the direction along which most of the modulated light is scattered away from the direction along which light is specularly reflected by the display devices to reduce specular glare and enhance brightness and/or contrast ratio. | 01-09-2014 |
20140009379 | CAVITY LINERS FOR ELECTROMECHANICAL SYSTEMS DEVICES - This disclosure provides systems, methods and apparatus for electromechanical systems devices with improved electrical properties and device life span. In one aspect, a conformal antistiction layer is formed within a cavity of an electromechanical systems apparatus over a roughened surface. The conformal antistiction layer can include a dielectric layer. The conformal antistiction layer can include a self-assembled monolayer (SAM) formed over the dielectric layer. The conformal antistiction layer can replicate the roughness of the surface that it is deposited on. | 01-09-2014 |
20140003040 | LOW-PROFILE LIGHTING SYSTEM | 01-02-2014 |
20140002964 | MEMS DEVICE ENCAPSULATION WITH CORNER OR EDGE SEALS | 01-02-2014 |
20140002345 | ILLUMINATION SYSTEMS INCORPORATING A LIGHT GUIDE AND A REFLECTIVE STRUCTURE AND RELATED METHODS | 01-02-2014 |
20130343053 | EFFICIENT SPATIALLY MODULATED ILLUMINATION SYSTEM - A projector can include a projection lens that is positioned substantially one focal length away from a spatial light modulator. The projector may also include a non-imaging optic configured to illuminate the spatial light modulator. The non-imaging optic may include a light emitter and an etendue-preserving reflector. The projector can be configured to project an image created by the spatial light modulator at a distance using light from the non-imaging optic. | 12-26-2013 |
20130343051 | BEAM PATTERN PROJECTOR WITH MODULATING ARRAY OF LIGHT SOURCES - This disclosure provides systems, methods and apparatus for a beam pattern projection device that includes a modulating array of light sources. In one aspect, the beam pattern projection device may include a lens. The array of light sources can be positioned such that its output plane is substantially one focal length away from the lens along the optical axis. The output of the array of light sources can be controllable to create an adjustable beam pattern out of a plurality of possible beam patterns that are each associated with a power level of each light source in the array of light sources. The device can project at a distance the adjustable beam pattern created by the array of light sources. | 12-26-2013 |
20130337171 | N2 PURGED O-RING FOR CHAMBER IN CHAMBER ALD SYSTEM - This disclosure provides systems, methods and apparatus for purge gas delivery in an atomic layer deposition (ALD) processing apparatus. The ALD processing apparatus can include a processing chamber including a lid and a chamber wall. One or more process gas lines for delivering process gases are coupled to one or more process gas delivery sources in the processing chamber. An o-ring can be positioned proximate an outer edge of the processing chamber to provide a seal with the chamber wall and the lid. The lid is configured to open for removal of the substrate and close to process the substrate. A purge line for delivering purge gas is coupled to one or more purge gas delivery line sources in the processing chamber, and the purge gas delivery line sources are disposed between the o-ring and the one or more process gas delivery sources. | 12-19-2013 |
20130335808 | ANALOG IMOD HAVING HIGH FILL FACTOR - This disclosure provides systems, methods and apparatus related to an electromechanical display device. In one aspect, an analog interferometric modulator (AIMOD) includes a reflective display pixel having a movable element disposed between first and second electrodes. The movable element includes a third electrode embedded within a deformable layer and a reflector. The movable element is moved to different positions between first and second electrodes, with different positions corresponding to different reflected colors from the AIMOD. In another aspect, the reflector is coupled to, but spaced apart from, the deformable layer, thereby decoupling the mechanical and optical properties of the movable element. In another aspect, the need for a bending region in the reflector is eliminated, providing for increased fill factor. In another aspect, the reflector may include a dielectric layer having substantially identical metal layers above and below, so as to provide increased rigidity to the reflector. | 12-19-2013 |
20130335383 | REMOVAL OF MOLYBDENUM - This disclosure provides systems, methods and apparatus which involve selectively removing a sacrificial portion of molybdenum (Mo) relative to other structural materials in a self-limiting manner. The Mo is only partially removed, leaving behind a remaining portion of molybdenum. The self-limiting etch can form an internal cavity by removing only a portion of a Mo layer between electromechanical systems electrodes. The remaining Mo can serve as a support structure between the electrodes. | 12-19-2013 |
20130335312 | INTEGRATION OF THIN FILM SWITCHING DEVICE WITH ELECTROMECHANICAL SYSTEMS DEVICE - This disclosure provides systems and methods for thin film switching devices, such as thin film transistors and thin film diodes, which are integrated in a display apparatus. In one aspect, a thin film switching device is positioned on a rear side of an electromechanical systems (EMS) display element formed over a substrate and is in electrical communication with the EMS display element. In another aspect, the thin film switching device is positioned between the EMS display element and the substrate. A planar layer is disposed between the EMS display element and the thin film switching device, with the planar layer having a planar surface. | 12-19-2013 |
20130333175 | MICROMACHINED PIEZOELECTRIC Z-AXIS GYROSCOPE - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for making and using gyroscopes. Such gyroscopes may include a central anchor, a sense frame disposed around the central anchor, a plurality of sense beams configured for connecting the sense frame to the central anchor and a drive frame disposed around and coupled to the sense frame. The gyroscope may include pairs of drive beams disposed on opposing sides of the sense frame. The gyroscope may include a drive frame suspension for substantially restricting a drive motion of the drive frame to that of a substantially linear displacement along the first axis. The sense frame may be substantially decoupled from drive motions of the drive frame. Such devices may be included in a mobile device, such as a mobile display device. | 12-19-2013 |
20130328943 | DIFFUSER INCLUDING PARTICLES AND BINDER - Systems, methods, and apparatuses for improving brightness, contrast, and/or viewable angle of a reflective display. A display includes a diffuser including particles and a binder over a substrate. At least some of the particles protrude from a planar or substantially planar upper surface of the binder, which provides a topographical pattern for the diffuser. The display includes a planarization layer on the diffuser. The planarization layer provides a planar or substantially planar surface for the formation of display elements over the planarization layer. | 12-12-2013 |
20130328838 | DIFFUSERS FOR DIFFERENT COLOR DISPLAY ELEMENTS - This disclosure provides systems, methods and apparatus for improving brightness, contrast, and viewable angle of a reflective display. In one aspect, a display includes a diffuser including a topographical pattern that is different in different areas of the display and a planarization layer over the diffuser. The diffuser is configured to scatter incident light to a different range of angles for different areas of the display. | 12-12-2013 |
20130321433 | FRONTLIGHT DEVICE WITH INTEGRATED ELECTRICAL WIRING - This disclosure provides systems, methods, and apparatus related to a the design of arrays of electrodes in a device which includes a light-guiding layer in optical contact with the electrodes. In one aspect, a device includes an array of electrodes, the electrodes include at least one edge having a non-linear shape. Specific design constraints may be placed on the shape of the non-linear edge of the electrodes. | 12-05-2013 |
20130321380 | SYSTEM AND METHOD OF SENSING ACTUATION AND RELEASE VOLTAGES OF INTERFEROMETRIC MODULATORS - This disclosure provides methods and apparatus for calibrating display arrays. In one aspect, a method of calibrating a display array includes determining a particular drive response characteristic and updating a particular drive scheme voltage between updates of image data on the display array. The drive response characteristic may be determined by applying a ramped voltage to a line of the array and detecting a current pulse due to a capacitance change on the line. The drive response characteristic can be determined based on data representing a width of a current pulse in the waveform or a weighted or unweighted area of a current pulse in the waveform. | 12-05-2013 |
20130321379 | SYSTEM AND METHOD OF SENSING ACTUATION AND RELEASE VOLTAGES OF INTERFEROMETRIC MODULATORS - This disclosure provides methods and apparatus for calibrating display arrays. In one aspect, a method of calibrating a display array includes determining a particular drive response characteristic and updating a particular drive scheme voltage between updates of image data on the display array. The drive response characteristic may be determined by applying a ramp voltage to a line of the array and detecting a current pulse due to a capacitance change on the line. The ramp voltage generator can include a capacitor and a digitally controlled current source. | 12-05-2013 |
20130321370 | CHARGE PUMP FOR PRODUCING DISPLAY DRIVER OUTPUT - This disclosure provides systems, methods and apparatus for driving a display array with a waveform having a plurality of voltage levels, wherein a first subset of the plurality of voltages is different from a second subset of the plurality of voltages by a defined amount. In one aspect, a display driver circuit comprises a power supply configured to generate the first subset of said plurality of voltages, and a charge pump having the first subset of the plurality of voltages as inputs and the second subset of the plurality of voltages as outputs. The charge pump may not include a switch between each output voltage and a corresponding capacitor. | 12-05-2013 |
20130321345 | OPTICAL TOUCH INPUT DEVICE WITH EMBEDDED LIGHT TURNING FEATURES - This disclosure provides systems, methods and apparatus for optical touch detection systems. In one aspect, the optical touch detection systems include a light detector and a light guide including a plurality of angled slots. The angled slots can be configured to reflect light towards the light detector. A processor can be utilized to correlate the light, or the change in light, detected by the light detector with the touch event or a gesture. | 12-05-2013 |
20130319505 | PHOTOVOLTAIC POWER GENERATING WINDOW - This disclosure provides systems, methods and apparatus including a light collector having a plurality of micro-lens and a plurality of multi-cone light redirecting structure that is optically coupled to one or more photovoltaic cells. In one aspect, the light collector includes a micro-lens array having a plurality of micro-lens that focus incident light onto a light guide including a plurality of multi-cone light redirecting structure. Each of the plurality of multi-cone light redirecting structure is configured to divert the focused light towards one or more photovoltaic cells disposed along the edge of the light guide. Each multi-cone light redirecting structure includes a central cone shaped structure surrounded by several secondary cone-shaped structures. | 12-05-2013 |
20130319504 | METHOD OF MANUFACTURING A PHOTOVOLTAIC POWER GENERATING WINDOW - This disclosure provides systems, methods and apparatus including a light collector having a plurality of micro-lens and a plurality of multi-cone light redirecting structure that is optically coupled to one or more photovoltaic cells. In one aspect, the plurality of micro-lens is provided in an organic glass panel that is attached to an inorganic glass substrate. The inorganic glass substrate includes a material that is substantially opaque to radiation in the ultraviolet spectral range. During use, the light collector is disposed such that the inorganic glass substrate is exposed to the exterior to prevent a portion of the ultraviolet radiation incident on the light collector from being transmitted to the organic glass panel. | 12-05-2013 |
20130314449 | DISPLAY WITH SELECTIVE LINE UPDATING AND POLARITY INVERSION - Techniques are disclosed for updating an array of display elements of an electronic display. The electronic display, which may be an interferometric modulator (IMOD) display, includes an array of display elements that is updated, at a frame update rate, on a frame by frame basis. Each frame includes data to be written to a plurality of pixel rows, each pixel row including at least a respective first display element line (DEL) of a first color and a respective second DEL of a second color. A processor compares display data for each pixel row in a first frame with display data for a corresponding pixel row in a comparison frame, and updates only selected DEL's based on the comparison. A polarity of a bias voltage of a subset of DEL's in the display, is periodically inverted, the subset of DEL's being substantially fewer than all of the DEL's. | 11-28-2013 |
20130314312 | FULL RANGE GESTURE SYSTEM - This disclosure relates to an interactive display, having a front surface including a viewing area, and providing an input/output interface for a user of an electronic device. A planar light guide (PLG) disposed substantially parallel to the front surface, has a periphery at least coextensive with the viewing area. A light-emitting source (LES), disposed outside the periphery of the PLG, is optically coupled with a PLG input. The PLG outputs reflected light, in a direction substantially orthogonal to the front surface, by reflecting light received from the LES. A light collecting device (LCD) collects scattered light that results from interaction of the reflected light with a user-controlled object. The LCD redirects the collected scattered light toward one or more light sensors. A processor recognizes, from outputs of the light sensors, an instance of a user gesture, and controls the interactive display and/or electronic device, responsive to the user gesture. | 11-28-2013 |
20130307857 | USING A PIEZO-ELECTRIC LAYER TO MITIGATE STICTION OF A MOVABLE ELEMENT - This disclosure provides systems, methods and apparatus for mitigating or reducing stiction in electromechanical systems devices. The systems and methods described herein include a piezo-electric layer disposed over at least a portion of the deformable region of the electromechanical systems devices. To reduce or mitigate stiction, a restorative mechanical force is generated by reverse piezo-electric effect to return the deformable region of the electromechanical systems devices to the un-deformed state. | 11-21-2013 |
20130293556 | APPARATUS FOR POSITIONING INTERFEROMETRIC MODULATOR BASED ON PROGRAMMABLE MECHANICAL FORCES - Interferometric modulators may include a movable layer including both permanently anchored and programmable hinges. Unactuated programmable hinges may exert little or no force on the movable layer. When actuated, programmable hinges may exert a mechanical force on the movable layer in a direction approximately opposite to the direction of force exerted by the permanently anchored hinges. By increasing a voltage between the programmable hinges and an electrode, a progressive number of programmable hinges may be engaged. The mechanical force exerted on the movable layer by these hinges may change the relative position of the movable layer within an IMOD device. | 11-07-2013 |
20130293523 | VOLTAGE BIASED PULL ANALOG INTERFEROMETRIC MODULATOR WITH CHARGE INJECTION CONTROL - This disclosure provides systems, methods and apparatus for driving three-terminal electromechanical systems (EMS) devices. The driving systems and methods described herein include a switched capacitor charge injection circuit that is configured to isolate a single EMS device and transfer a desired amount of charge to the isolated device such that the device can be actuated to produce a desired optical, electrical or mechanical effect. The charge injection circuit can include an operational amplifier and can be connected such that the EMS device is placed in the feedback path of the operational amplifier. | 11-07-2013 |
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 |
20130293482 | TRANSPARENT THROUGH-GLASS VIA - This disclosure provides systems, methods and apparatus for transparent conductive vias in a transparent substrate. In one aspect, a transparent conductive via extends through a transparent substrate and electrically connects a topside conductor on a top surface of the transparent substrate and a bottom side conductor on a bottom surface of the transparent substrate. In another aspect, a transparent conductive via extends at least partially through a transparent substrate and is in electrical communication with a topside conductor on a top surface of the transparent substrate. In another aspect, a method of forming a transparent through-substrate via is provided. | 11-07-2013 |
20130293337 | HIGH QUALITY FACTOR PLANAR INDUCTORS - This disclosure provides systems, methods, and apparatus related to inductors. In one aspect, a planar inductor may include a substrate with a spacer in the shape of a planar spiral coil on a surface of the substrate. Disposed on the spacer may be a line of metal formed as a planar inductor in the shape of the planar spiral coil. The spacer may be between the line of metal and the surface of the substrate. The spacer may elevate the line of metal above the surface of the substrate. | 11-07-2013 |
20130293336 | THREE-DIMENSIONAL MULTILAYER SOLENOID TRANSFORMER - This disclosure provides implementations of inductors, transformers, and related processes. In one aspect, a device includes a substrate having first and second surfaces. A first inducting arrangement includes a first set of vias, a second set of vias, a first set of traces arranged over the first surface connecting the first and second vias, and a second set of traces arranged over the second surface connecting the first and second vias. A second inducting arrangement is inductively-coupled and interleaved with the first inducting arrangement and includes a third set of vias, a fourth set of vias, a third set of traces arranged over the first surface connecting the third and fourth vias, and a fourth set of traces arranged over the second surface connecting the third and fourth vias. One or more sets of dielectric layers insulate portions of the traces from one another. | 11-07-2013 |
20130286684 | ARRAY ILLUMINATION SYSTEM - This disclosure provides systems, methods, and apparatuses for array illumination. In one aspect, an array of light engines is coupled to a support structure. Each light engine can be separately controlled to achieve a desired output beam. In another aspect, a support structure includes an array of LED emitters. The support structure is configured to removably receive a plurality of light guides over the array of LED emitters, thereby forming an array of light engines. The support structure can include an integrated heat sink in thermal communication with the array of LED emitters. Light from the LED emitters is distributed over the surface of the light guides to produce a desired output beam. The light engines can be configured to produce output beams of differing color, direction, shape and/or size. | 10-31-2013 |
20130286667 | LIGHT FIXTURES AND INSTALLATION METHODS THEREOF - This disclosure provides systems, methods and apparatus for securing a light fixture in place. In one aspect, the light fixture can be configured to retain an LED-based light engine, which may be thinner and/or lighter than conventional light engines. In another aspect, the light fixture can be configured to be installed in a pre-cut aperture in a structural member, such as a ceiling, soffit, or wall. In another aspect, the light fixture may include a serrated upper edge configured to cut into a structural member to form an aperture, without the need to pre-cut the aperture. | 10-31-2013 |
20130286661 | VOLTAGE CONTROLLED MICROLENS SHEET - This disclosure provides systems, methods and apparatus relating to implementations of an electrically controlled light conditioning sheet. In one aspect, the electrically controlled light conditioning sheet includes a planar electrode having a first conductor and a second conductor and a transmissive elastic layer. The transmissive elastic layer is configured to deform in response to a potential difference applied between the first and the second conductor and produce regions of optical refractive power. The angular spread and/or the radiation pattern of an incoming beam of light incident on the electrically controlled light conditioning sheet is altered by the action of the regions of optical refractive power produced by the applied potential difference. | 10-31-2013 |
20130286653 | MULTI-BEAM LIGHT ENGINE - This disclosure provides systems, methods, and apparatuses for a multi-beam light engine. In one aspect, a light source is coupled with an optical film such that light emitted from the light source passes through the optical film. The optical film can be a composite film including one or more sections, each of which is configured to operate differently on the input beam emitted from the light source. The optical film can be configured to produce one or more output beams of differing color, direction, and/or beam width. | 10-31-2013 |
20130279197 | ILLUMINATION SYSTEMS AND METHODS - This disclosure provides systems, methods, and apparatus for providing illumination for lighting systems. One or more light emitters can be disposed about a longitudinal axis, such as in an at least partial polygonal shape, so that the light sources emit light radially outwardly away from the longitudinal axis. A collimating reflector can be disposed radially outward of the one or more light emitters and can be configured to at least partially collimate the light and to substantially preserve etendue of the light emitted from the light emitters. The one or more light emitters can substantially fill an input aperture of the collimating reflector in a direction of the longitudinal axis. The light can be coupled into a light guide, which can be configured to distribute the light to a target lighting area. | 10-24-2013 |
20130278998 | IN-PLANE RESONATOR STRUCTURES FOR EVANESCENT-MODE ELECTROMAGNETIC-WAVE CAVITY RESONATORS - This disclosure provides implementations of electromechanical systems (EMS) resonator structures, devices, apparatus, systems, and related processes. In one aspect, a device includes an evanescent-mode electromagnetic-wave cavity resonator. In some implementations, the cavity resonator includes a lower cavity portion and an upper cavity portion that together form a volume. The cavity resonator also includes an in-plane lithographically-defined resonator structure having a portion that is located at least partially within the volume to support one or more evanescent electromagnetic wave modes. In some implementations, an upper surface of the resonator structure is connected with the upper cavity portion while a lower mating surface is connected with the lower cavity portion. A distal surface of the resonator structure is separated or electrically insulated from the closest surface to it by a gap distance, a resonant electromagnetic wave mode of the cavity resonator being dependent at least partially upon the gap distance. | 10-24-2013 |
20130278846 | ILLUMINATION SYSTEMS AND METHODS - This disclosure provides systems, methods, and apparatuses for providing illumination in, for example, a display device. One or more light emitters can emit light into a light guide plate that is configured to distribute the light across an array of display elements. A substantially etendue-preserving reflector between the light emitters and the light guide can at least partially collimate light propagating in a single plane of collimation. In some implementations, a lenticular film, or other optical elements, can be used to increase divergence of the light in a plane orthogonal to the plane of collimation. The light guide can include light extraction elements, which can be frusta-shaped features for turning light out of the light guide for illuminating the display. In some implementations, a flexible electrical interconnection circuit can be used to provide power and/or signals to the light emitters, thereby providing a flexible circuit illumination system. | 10-24-2013 |
20130278612 | ILLUMINATION SYSTEMS AND METHODS - This disclosure provides systems, methods, and apparatuses for providing illumination in, for example, a display device. One or more light emitters can emit light into a light guide plate that is configured to distribute the light across an array of display elements. A substantially etendue-preserving reflector between the light emitters and the light guide can at least partially collimate light propagating in a single plane of collimation. In some implementations, a lenticular film, or other optical elements, can be used to increase divergence of the light in a plane orthogonal to the plane of collimation. The light guide can include light extraction elements, which can be frusta-shaped features for turning light out of the light guide for illuminating the display. In some implementations, a flexible electrical interconnection circuit can be used to provide power and/or signals to the light emitters, thereby providing a flexible circuit illumination system. | 10-24-2013 |
20130278611 | LIGHT GUIDE WITH NARROW ANGLE LIGHT OUTPUT AND METHODS - This disclosure provides systems, methods, and apparatus for providing illumination. In one aspect, a light guide can be configured to propagate light received from a light source. The light can be propagated by total internal reflection (TIR) within the light guide. The light guide can include an output surface configured to output light and one or more light extraction elements, which are configured to redirect the light propagating in the light guide so that the light exits the light guide through the output surface. The light guide can have tapered side walls that are configured to at least partially collimate the light that is to exit out of the output surface. In some implementations, the light guide can be used to provide illumination for display devices, other electromechanical systems, or for lighting a room or task area. | 10-24-2013 |
20130278610 | TOPPED-POST DESIGNS FOR EVANESCENT-MODE ELECTROMAGNETIC-WAVE CAVITY RESONATORS - This disclosure provides implementations of electromechanical systems (EMS) resonator structures, devices, apparatus, systems, and related processes. In one aspect, a device includes an evanescent-mode electromagnetic-wave cavity resonator that includes a cavity operable to support one or more evanescent electromagnetic wave modes. The resonator includes a cavity ceiling arranged to form a volume in conjunction with the cavity. The resonator also includes a capacitive tuning structure. In some implementations, the resonator also includes a post top positioned at a distal surface of the capacitive tuning structure. In some implementations, the post top has a dimension that is larger than a corresponding dimension of the capacitive tuning structure. In some implementations, a distal surface of the post top is separated from a surface by a gap distance, a resonant electromagnetic wave mode of the cavity resonator being dependent at least partially upon the gap distance and the dimension of the post top. | 10-24-2013 |
20130278609 | ISOTROPICALLY-ETCHED CAVITIES FOR EVANESCENT-MODE ELECTROMAGNETIC-WAVE CAVITY RESONATORS - This disclosure provides implementations of electromechanical systems (EMS) resonator structures, devices, apparatus, systems, and related processes. In one aspect, a device includes an evanescent-mode electromagnetic-wave cavity resonator. In some implementations, the resonator includes an isotropically-etched cavity operable to support one or more evanescent electromagnetic wave modes. In some implementations, the resonator also includes a cavity ceiling arranged to form a volume in conjunction with the isotropically-etched cavity. In some implementations, the resonator also includes a capacitive tuning structure having a portion that is located at least partially within the volume so as to support the evanescent electromagnetic wave modes. In some implementations, a distal surface of the tuning structure is separated from the closest surface to it by a gap distance, a resonant electromagnetic wave mode of the cavity resonator being dependent at least partially on the gap distance. | 10-24-2013 |
20130278568 | METAL-INSULATOR-METAL CAPACITORS ON GLASS SUBSTRATES - This disclosure provides systems, methods, and apparatus for metal-insulator-metal capacitors on glass substrates. In one aspect, an apparatus may include a glass substrate, with the glass substrate defining at least one via in the glass substrate. A first electrode layer may be disposed over surfaces of the glass substrate, including surfaces of the at least one via. A dielectric layer may be disposed on the first electrode layer. A second electrode layer may be disposed on the dielectric layer, with the dielectric layer electrically isolating the first electrode layer from the second electrode layer. | 10-24-2013 |
20130278542 | TOUCHSCREEN WITH BRIDGED FORCE-SENSITIVE RESISTORS - A touch sensor may include a digital resistive touch (DRT) sensor architecture that is substantially free of air gaps. The DRT touch sensor may include a layer of force-sensitive resistor (FSR) material on an array of row and column electrodes. The electrodes may be formed on a substantially transparent substrate. Near the intersection of each row and column, one or more thin transparent patterned conductive bridges may be situated above the FSR. The conductive bridges may be configured for electrical connection with row and column electrodes when force is applied to the conductive bridge or surface of the touch sensor. Some touch sensors may include both DRT and projected capacitive touch (PCT) functionality. | 10-24-2013 |
20130278359 | TWO- AND THREE-SUBSTRATE LEVEL PROCESSES FOR PRODUCING EVANESCENT MODE ELECTROMAGNETIC WAVE CAVITY RESONATORS - This disclosure provides implementations of electromechanical systems (EMS) resonator structures, devices, apparatus, systems, and related processes. In one aspect, a method includes providing a first substrate and a second substrate. In some implementations, the first substrate includes a cavity ceiling, an array of dielectric spacers, and an assembly platform arranged adjacent the array of dielectric spacers opposite the cavity ceiling surface. The assembly platform includes a plurality of post tops. In some implementations, the second substrate has an array of cavities and an array of resonator posts. In some implementations, the method includes mating the first substrate with the second substrate, connecting the post tops with the posts to form an array that includes a plurality of evanescent-mode electromagnetic wave cavity resonators, wherein at least a statically-defined magnitude of a gap distance between the distal surface of each post top and the cavity ceiling is defined by the dielectric spacers. | 10-24-2013 |
20130271438 | INTEGRATED AMBIENT LIGHT SENSOR - For a personal electronic device (PED) having a display, the display including a cover glass having a front surface and a back surface, the PED includes a driver circuit configured to send at least one signal to the display and an ambient light sensor (ALS). Each of the driver circuit and the ALS is disposed behind the back surface of the cover glass. The ALS and the driver circuit may reside on a single substrate, which is disposed adjacent to the back surface of the cover glass. The ALS may output signals to the driver circuit that are indicative of ambient light level and one or both of ambient light spectrum and ambient light direction. The driver circuit may be configured to automatically adjust, in response to the signals, one or both of a display color bias and a display luminescence. | 10-17-2013 |
20130271437 | COLOR PERFORMANCE OF REFLECTIVE-DISPLAYS USING ENVIRONMENTAL SPECTRAL SENSING - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, related to an electronic device having a display, a spectrum sensing arrangement, and a display controller. The spectrum sensing arrangement includes a photodiode, a first portion of the photodiode being configured to generate a first signal, the first signal being responsive to an intensity of ambient visible light, and a second portion of the photodiode being configured to generate a second signal, the second signal being representative of an intensity of ambient infrared light. The display controller, in communication with the spectrum sensing arrangement, makes a comparison of the first signal and the second signal and controls the display so as to dynamically adjust a color bias of the display responsive to the comparison. | 10-17-2013 |
20130265764 | LIGHTING DEVICE - This disclosure provides systems, methods and apparatus for lighting devices. In one aspect, a lighting device includes a light engine and a connection portion. The connection portion can include a first end coupled to the light engine and a base connector disposed at the second end of the connection portion. In some implementations, the connection portion has a length dimension that is adjustable between at least a first length that positions the base connector at a first position relative to the light engine and a second length that positions the base connector at a second position relative to the light engine. | 10-10-2013 |
20130265349 | CONTENT-PRESERVING SCREEN SAVER - A content-preserving screen saver (CPSS) method for controlling a display apparatus is disclosed. When a CPSS method is implemented, the screen content may be displayed at a relatively lower resolution, such as half resolution or some other fraction of full resolution, by deactivating some of the display pixels or subpixels. The CPSS may be activated, for example, if no user input is received (and/or if another event does not occur) for a predetermined period of time. In one half-resolution example, every other pixel of the display is turned off when the CPSS is activated. After another predetermined period of time, all pixels are “flipped”: pixels that were on are turned off, and pixels that were off are turned on. In alternative implementations, more or fewer than half of the pixels may be switched off to achieve other partial resolution states, such as 75% resolution, ⅔ resolution, ⅓ resolution, etc. | 10-10-2013 |
20130265216 | MULTI-STATE IMOD WITH RGB ABSORBERS - A display apparatus may include a multi-state IMOD, such as an analog IMOD (AIMOD), a 3-state IMOD (such as having a white state, a black state and one colored state) or a 5-state IMOD (such as having a white state, a black state and three colored states). The multi-state IMOD may include a movable reflective layer and an absorber stack. The absorber stack may include a first absorber layer having a first absorption coefficient and a first absorption peak at a first wavelength, a second absorber layer having a second absorption coefficient and a second absorption peak at a second wavelength, and a third absorber layer having a third absorption coefficient and a third absorption peak at a third wavelength. The first, second and third absorption layers may have absorption levels that drop to nearly zero at the center of each neighboring absorber layer's absorption peak. | 10-10-2013 |
20130257880 | LIGHT GUIDE WITH INTERNAL LIGHT RECIRCULATION - This disclosure provides systems, methods, and apparatuses for illumination using illumination systems having a light guide. A light source is configured to inject light into a light input edge of the light guide. The light guide is configured to recirculate the injected light therein such that the light passes back and forth across the light guide one or more times. The light guide includes light-turning features that extract light out of the light guide. To promote light recirculation, the light-turning features have a per-pass light extraction efficiency of about 50% or less and one or more edges of the light guide may be reflective. The light extracted out of the light guide by the light-turning features may be used to illuminate a display. | 10-03-2013 |
20130249964 | CONTROLLER AND DRIVER FEATURES FOR DISPLAY - The invention comprises systems and methods for controller and driver features for displays, and in particular, controller and driver features that relate to displays. In one embodiment, such a display includes at least one driving circuit and an array comprising a plurality of display elements, where the array is configured to be driven by the driving circuit, and where the driving circuit is programmed to receive video data and provide a subset of the received video data to the array based on a frame skip count. In some embodiments, the frame skip count is programmable or dynamically determined. In another embodiment, a method of displaying data on an array having a plurality of display elements comprises receiving video data comprising a plurality of frames, displaying selected frames based upon a frame skip count, measuring the change between each selected frame and a frame previous to the selected frame, and displaying non-selected frames if the measured change is greater than or equal to a threshold. | 09-26-2013 |
20130249936 | MULTI-LEVEL STOCHASTIC DITHERING WITH NOISE MITIGATION VIA SEQUENTIAL TEMPLATE AVERAGING - Displays, and methods of displaying images with the displays, which have quantized display characteristics for each of the pixels are disclosed. The displays and methods relate to both spatially and temporally dithering images so that the effective resolution of the display is higher than the result of the native spatial and intensity resolutions of the display, defined by pixel size, pitch, and number of quantization levels of each of the pixels. | 09-26-2013 |
20130249293 | FUNCTIONAL BACK GLASS FOR A SOLAR PANEL - A photovoltaic solar panel includes a front glass, a back glass, and a photovoltaic (PV) power generating layer encapsulated between the front glass and the back glass. The PV power generating layer is configured to convert ambient electromagnetic energy, received through the front glass, to a direct current (DC) power output. The PV solar panel also includes at least one component, disposed behind the PV power generating layer, selected from the group consisting of: a direct current to alternating current (DC-AC) inverter configured to convert the DC power output from the PV power generator to an alternating current (AC) power output, a battery, and an antenna. | 09-26-2013 |
20130242493 | LOW COST INTERPOSER FABRICATED WITH ADDITIVE PROCESSES - This disclosure provides systems, methods and apparatus for interposers in compact three-dimensional (3-D) device packages. In one aspect, one or more methods of fabricating an interposer using an additive process are provided. The additive process can involve depositing flowable dielectric material around a plurality of metal interconnect posts after forming the plurality of metal interconnect posts on a carrier substrate. In another aspect, an interposer including through-glass vias and one or more passive devices is provided. | 09-19-2013 |
20130241939 | HIGH CAPACITANCE DENSITY METAL-INSULATOR-METAL CAPACITORS - This disclosure provides systems, methods, and apparatus for high capacitance density metal-insulator-metal capacitors. In one aspect, an apparatus may include a first base metal layer on a first side of a substrate. A first polymer layer may be disposed on the first base metal layer and on the first side of the substrate. The first polymer layer may define a first plurality of vias though the first polymer layer, the first plurality of vias exposing portions of the first base metal layer. A first electrode layer may be disposed on the first polymer layer. The first electrode layer may contact the portions of the first base metal layer. A first dielectric layer may be disposed on the first electrode layer. A second electrode layer may be disposed on the first dielectric layer. The first dielectric layer may electrically isolate the first electrode layer from the second electrode layer. | 09-19-2013 |
20130241919 | DISPLAY DEVICE INCLUDING CLEAR TO MIRROR INTERFEROMETRIC MODULATOR - This disclosure provides systems, methods and apparatus for electromechanical systems devices that can be switched between a transmissive state and a reflective state. In one aspect, the electromechanical systems devices is a display device including a movable layer disposed over an optical stack having a partially transmissive and a partially reflective layer that has a high refractive index and a low absorption coefficient. The movable layer is configured to be actuated between a first position and a second position such that the display device displays a color when the movable layer is in the first position and displays black when the movable layer is in the second position. Alternately, the display device displays white when the movable layer is in the first position and displays a color when the movable layer is in the second position. | 09-19-2013 |
20130241903 | OPTICAL STACK FOR CLEAR TO MIRROR INTERFEROMETRIC MODULATOR - This disclosure provides systems, methods and apparatus for electromechanical systems devices that can be switched between a transmissive state and a reflective state. In one aspect, the electromechanical systems devices can include a partially transmissive and a partially reflective layer that has a high refractive index and a low absorption coefficient. The electromechanical systems devices can be used in a variety of way including as a smart window, as an optical shutter, as a privacy screen and as a display device. | 09-19-2013 |
20130235001 | PIEZOELECTRIC RESONATOR WITH AIRGAP - This disclosure provides implementations of electromechanical systems (EMS) piezoelectric resonator structures, transformers, devices, apparatus, systems, and related processes. In one aspect, a piezoelectric resonator structure includes a first conductive electrode layer, a second conductive electrode layer, and a piezoelectric layer arranged between the first and second conductive layers. In some implementations, the surface of the piezoelectric layer adjacent to the first conductive layer is separated from the first conductive layer by a first gap, and the surface of the piezoelectric layer adjacent to the second conductive layer is separated from the second conductive layer by a second gap. In some implementations, the resonator structure further includes an encapsulation layer arranged over the second conductive layer and providing physical support to the second conductive layer. | 09-12-2013 |
20130222408 | COLOR MAPPING INTERPOLATION BASED ON LIGHTING CONDITIONS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for performing color mapping in a display device. The display device can include a plurality of stored color mappings that are used to convert input digital color images into the display device's color space. Each of the stored color mappings can correspond to a distinct lighting environment. The display device can detect its lighting environment and then combine two or more of the stored color mappings based on the detected lighting environment. For example, the display device may calculate an interpolated color mapping from two or more of the stored color mappings using interpolation weights that are based on the detected lighting conditions. The display device can then convert the input image using the composite color mapping, and display the image. | 08-29-2013 |
20130222351 | ELECTROMECHANICAL SYSTEMS DEVICE - This disclosure provides systems, methods and apparatus for EMS devices. In one aspect, an EMS device includes an array of display elements and a plurality of driver lines with at least a portion of the plurality of driver lines routed above or below the array between one or more driver circuits and the array. In some implementations, at least a portion of the plurality of driver lines is disposed above a non-active area of the array. In one aspect, an EMS device can form a portion of at least one of the plurality of driver lines. In some implementations, movable layers of the array can be disposed between at least a portion of the plurality of driver lines and stationary electrodes of the display. | 08-29-2013 |
20130220399 | HYBRID WEDGE SHAPED/MICROSTRUCTURED LIGHT COLLECTOR - This disclosure provides systems, methods and apparatus including a hybrid wedge shaped/microstructured light collector that is optically coupled to one or more photovoltaic cells. In one aspect, the hybrid wedge shaped/microstructured light collector includes a wedge shaped light guide having an inclined light receiving surface that can collect light incident at angles in the range from about 60 degrees to about 90 degrees with respect to a normal to the inclined light receiving surface. Additionally, the hybrid wedge shaped/microstructured light collector includes a microstructured light collector that can collect light incident at angles in the range from about 0 degrees to about 60 degrees with respect to a normal to the inclined light receiving surface. | 08-29-2013 |
20130215596 | FLASH ILLUMINATION SYSTEM - Systems and methods for flash illumination are disclosed. In one aspect, a flash illumination system includes sections each including a light source and a reflector. Each of the light sources includes a single light-emitting region having a first centroid and a package surrounding the single light-emitting region. The package has an exit aperture having a second centroid. The first centroid can be laterally offset from the second centroid. The reflectors include an input aperture, an output aperture, and one or more sidewalls therebetween. The input aperture is optically coupled to the exit aperture. One or more sidewalls are configured to collimate light propagating from the light source. | 08-22-2013 |
20130215000 | PHASE DELAY TO AVOID BLADE TIP COLLISION IN ROTATING BLADES SIGNAGE - Some implementations include an array of devices having blades configured for rotation. The devices may be lighting devices having a plurality of pixel elements disposed on each blade. The blades of these devices may sweep out an area that overlaps with an area swept out by the blades of an adjacent device in a row. Each device in a column may have blades that are configured to rotate in an opposite direction from the blades of an adjacent device in the column. Diagonally adjacent devices (offset by one row and one column) may have blades that rotate in the same direction but out of phase. The blades of diagonally adjacent devices may or may not sweep out overlapping areas. The areas may overlap by more or less than a width of a pixel element. | 08-22-2013 |
20130212859 | METHODS OF MANUFACTURING ILLUMINATION SYSTEMS - Methods of manufacturing light panels having at least one re-entrant turning feature. In one embodiment, a method of manufacturing a light panel includes providing a base layer, providing a cover layer, and coupling the cover layer to the base layer to form at least one re-entrant turning feature between the base layer and the cover layer. In another embodiment, a method of manufacturing a light panel includes providing a base layer, forming at least one receiving space in the base layer, providing at least one prismatic block, and coupling at least a portion of the prismatic block into the receiving space such that re-entrant turning features are formed between the prismatic block and the base layer. | 08-22-2013 |
20130201717 | LAMPSHADE WITH TAPERED LIGHT GUIDE - This disclosure provides systems, methods and apparatus for illumination. In one aspect, a lampshade includes a light source coupled to a tapered light guide sheet. The light guide sheet extends laterally and is curved around a vertical axis. The light source injects light into the wide end of the tapered light guide sheet and the tapered sidewalls of the light guide sheet allow the light to escape out of the light guide sheet and in the general direction of the narrow end of the tapered light guide sheet, thereby allowing the lampshade to act as an up-light or down-light, depending on the direction that the narrow end is pointing. The lampshade may include light extracting and turning features and/or a reflector configured to eject light laterally outward from the light guide sheet, thereby allowing the lampshade to illuminate objects on the same plane as the lampshade. | 08-08-2013 |
20130194653 | ANALOG IMOD HAVING A COLOR NOTCH FILTER - This disclosure provides systems, methods and apparatus related to an electromechanical display device. In one aspect, an analog interferometric modulator (AIMOD) includes a reflective display pixel having a movable reflective layer and a stationary absorber layer, the reflective layer and absorber layer defining a cavity therebetween. A color notch filter may be employed to produce an improved white state. In some implementations, the color notch filter is positioned on a side of the substrate opposite the absorber layer. In some other implementations, the color notch filter is positioned between the substrate and the movable reflective layer. | 08-01-2013 |
20130194295 | SYSTEM AND METHOD FOR CHOOSING DISPLAY MODES - This disclosure provides apparatus, systems, and methods for updating display devices. In one aspect, a display can switch between a plurality of display modes based at least in part on a spatial distribution of changed image regions over a number of frames of an image to be displayed. | 08-01-2013 |
20130188235 | SWITCHABLE WINDOWS WITH MEMS SHUTTERS - An array of MEMS shutters may incorporate opaque and/or interference-based film stacks, to control light in a window. The shutter structure may include one or more layers with a controlled stress gradient, which makes a shutter arm curl out of plane and away from a defined aperture for light, thus permitting light to be transmitted through a transparent substrate and past the MEMS structure. To close the shutter, a voltage may be applied between an electrode in the shutter arm and an electrode covering a region on the substrate, rolling the shutter arm flat against the substrate electrode and placing the shutter arm over the aperture. The shutter arm may be configured to transmit selected wavelengths of light. In some implementations, the shutter arm may be configured to filter out infrared light. | 07-25-2013 |
20130182017 | DEVICE AND METHOD FOR HIGH REFLECTANCE MULTI-STATE ARCHITECTURES - This disclosure provides systems, methods and apparatus for device and methods for high reflectance multi-state architectures. In one aspect, a display device can include a plurality of reflective pixels including subpixels. Each subpixel can be selectively switched among first, second, and third states, with each state having a different spectral reflectance. Each subpixel has a spectral reflectance associated with a first set of primary colors and with a second set of primary colors. At least one of the colors in the second set of primary colors can be different from the colors in the first set of primary colors. The first set of primary colors can include colors that combine to produce white. A combination of colors of the first set of primary colors can have a brightness that is higher than the brightness of the combination of colors of the second set of primary colors. | 07-18-2013 |
20130181896 | INTEGRATED LIGHT EMITTING AND LIGHT DETECTING DEVICE - Methods and systems for providing a light device that can emit light and sense light are disclosed. In one embodiment, a lighting device includes a light guide having a planar first surface, the light guide configured such that at least some ambient light enters the light guide through the first surface and propagates therein, and at least one light detector disposed along an edge of the light guide, the at least one detector optically coupled to the light guide to receive light propagating therein. The light detector can be configured to produce a control signal. In some embodiments, the lighting device also includes at least one light turning feature disposed on the first surface, the at least one light turning feature configured to direct light incident into the light guide through the first surface. | 07-18-2013 |
20130181893 | ELECTROSTATICALLY TRANSDUCED SENSORS COMPOSED OF PHOTOCHEMICALLY ETCHED GLASS - This disclosure provides systems, methods and apparatus for glass electromechanical systems (EMS) electrostatic devices. In one aspect, a glass EMS electrostatic device includes sidewall electrodes. Structural components of a glass EMS electrostatic device such as stationary support structures, movable masses, coupling flexures, and sidewall electrode supports, can be formed from a single glass body. The glass body can be a photochemically etched. In some implementations, pairs of sidewall electrodes can be arranged in interdigitated comb or parallel plate configurations and can include plated metal layers and narrow capacitive gap spacing. | 07-18-2013 |
20130176657 | ELECTROMECHANICAL SYSTEMS VARIABLE CAPACITANCE ASSEMBLY - This disclosure provides systems, methods and apparatus for a variable capacitance apparatus. In one aspect, an apparatus includes a plurality of electromechanical systems varactors connected in parallel. Each of the plurality of electromechanical systems varactors includes a first, a second, and a third metal layer. The first metal layer includes a first bias electrode. The second metal layer is spaced apart from the first metal layer to define a first air gap, and includes a first radio frequency electrode. A third metal layer is spaced apart from the second metal layer to define a second air gap, and includes a second radio frequency electrode and a second bias electrode. The second bias electrode of each of the plurality of electromechanical systems varactors has a different projected area perpendicular to a surface of the second metal layer and onto the surface of the second metal layer. | 07-11-2013 |
20130176518 | BACK-TO-BACK DISPLAYS - Two-sided, back-to-back displays are formed by sealing the backplates of two displays against one another. Mechanical parameters of the backplates, e.g., stiffness and strength, do not meet the requirements for standalone one-sided displays which are otherwise similar to the two displays. However, when sealed against one another, the backplates reinforce each other to meet or exceed the requirements for both one-sided and two-sided displays. The presence of backplates on each of the constituent one-sided displays allows one or both of those displays to be individually tested, thereby increasing the production yield of the back-to-back displays. The display elements of the displays can comprise interferometric modulators. | 07-11-2013 |
20130176317 | LIGHT GUIDE WITH AT LEAST PARTIALLY NON-TRANSMISSIVE COATING ON LEDGE REGION - This disclosure provides systems, methods and apparatus related to an illumination system for a display device. In one aspect, the illumination system includes a light guide having a view region, which directly overlies display elements of a display, and a ledge region between the view region and a light source that injects light into the light guide. The ledge region is coated with an at least partially non-transmissive layer. The layer can be at least partially absorptive and/or at least partially reflective. In some implementations, the layer can include microstructures configured to turn steep-angle light such that it is redirected across the light guide at a shallower angle. In some implementations, the boundary between the ledge region and the view region of the light guide can have a nonlinear shape. | 07-11-2013 |
20130169606 | LIGHT DIRECTION DISTRIBUTION SENSOR - This disclosure provides systems, methods and apparatus for measuring the direction distribution of light. In some implementations, an ambient light direction distribution sensor device can include, for example, a light steering layer that is designed to steer light from different incident angles toward associated locations on a light detector. The light detector can then output one or more signals that are indicative of the amount of light that is incident upon the sensor device from different incident angles. These measurements can be used to control various parameters of a display in response to the detected ambient lighting conditions. | 07-04-2013 |
20130163062 | MECHANICAL SMART WINDOW WITH CONTINUOUSLY TUNABLE TRANSMISSION - This disclosure provides systems, methods and apparatus for providing continuous light-transmissivity tuning through a mechanical smart window. In one aspect, a mechanical smart window including multiple layers is provided, each layer featuring light-blocking and light-transmitting areas. The layers may be moved relative to each other, changing the amount by which each light-blocking area occludes light-transmitting areas on other layers. | 06-27-2013 |
20130141938 | LIGHT TURNING DEVICE WITH PRISMATIC LIGHT TURNING FEATURES - A light guide device includes a light guide body and two or more pluralities of spaced-apart slits. The slits are formed by undercuts in the light guide body. Sidewalls of the slits form facets that redirect light impinging on the facets. In some embodiments, the light guide body is attached to a light source. The light source emits light that is injected into the light guide body and the slits redirect the light out of the light guide body and towards a desired target. In some embodiments, the target is a display and a first plurality of slits directs light from the light source across the light guide body and over the face of the display. A second plurality of slits then directs light out of the light guide body and towards the display. | 06-06-2013 |
20130136973 | RECHARGEABLE LITHIUM ION BATTERY WITH SILICON ANODE - This disclosure provides systems, methods and apparatus for batch fabrication of a rechargeable lithium-ion battery using a silicon substrate as an anode. In one aspect, a pre-formed silicon substrate is provided. A plurality of first openings can be formed on one side of the substrate, which can have a high height to width aspect ratio. A plurality of second openings can be formed alternatingly, or in interdigitated fashion, with the first openings on another side of the substrate that is opposite the first side. A solid electrolyte layer can be deposited on the second side of the substrate in the second openings, and a cathode material can be formed into the second openings and over the electrolyte layer on the second side of the substrate. | 05-30-2013 |
20130136280 | MICROSPEAKER WITH PIEZOELECTRIC, METAL AND DIELECTRIC MEMBRANE - This disclosure provides systems, methods and apparatus for microspeaker devices. In one aspect, a microspeaker element may include a deformable dielectric membrane that spans a speaker cavity. The deformable dielectric membrane can include a piezoactuator and a dielectric layer. Upon application of a driving signal to the piezoactuator, the dielectric layer can deflect, producing sound. In some implementations, an array of microspeaker elements can be encapsulated between a glass substrate and a cover glass. Sound generated by the microspeaker elements can be emitted through a speaker grill formed in the cover glass. | 05-30-2013 |
20130135706 | ORNAMENTAL DISPLAY DEVICE - An ornamental display device having at least one interferometric modulator, a signal receiver configured to receive an external signal and a processor configured to control the display based on the external signal is disclosed. In one aspect, the external signal is emitted from a controller. In another aspect, the external signal is emitted from a computer. | 05-30-2013 |
20130135705 | SYSTEMS, DEVICES, AND METHODS FOR DRIVING AN ANALOG INTERFEROMETRIC MODULATOR - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for accurately positioning a movable conductive layer of a reflective display element. In one aspect, an initial position of the movable conductive layer with respect to at least one or more fixed conductive layers is sensed. A charging voltage may be determined based at least in part on the initial position. The charging voltage may be applied to the movable conductive layer. | 05-30-2013 |
20130135620 | SYSTEMS AND METHODS FOR NON-INVASIVE TESTING OF ELECTROMECHANICAL SYSTEMS DEVICES - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for testing an electromechanical systems (EMS) device. In one aspect, a laser is directed at a driven EMS device, and the reflected light pattern is analyzed to provide information regarding the characteristics of the driven EMS device. In some aspects, the reflected light pattern is analyzed to determine a resonant frequency of the EMS device or the damping forces acting on the EMS device. The resonant frequency can then be used to determine stresses within the EMS device, or pressure or temperature within a device package encapsulating the EMS device. | 05-30-2013 |
20130135364 | METHODS AND APPARATUS FOR INTERPOLATING COLORS - This disclosure provides methods, apparatus, and computer programs encoded on computer storage media for converting drive instructions for a plurality of display devices to drive instructions for a first display device. In one aspect, a method includes processing the drive instructions for the plurality of display devices to produce a first color in a set of potential colors for the plurality of display devices, selecting a color for the first display device that approximates the produced first color, displaying the selected color with the first display device, determining an error between the selected color and the produced first color, and diffusing the error by displaying at least another color on at least a portion of the plurality of display devices. | 05-30-2013 |
20130135359 | DISPLAY SYSTEMS INCLUDING ILLUMINATION AND OPTICAL TOUCHSCREEN - This disclosure provides systems, methods and apparatus for a display device having a front light to provide front illumination to the display element included in the display device and an optical touch screen to provide a touch input to the display device. In one aspect, the display device includes a light source disposed to inject light into a backplate of the display device rearward of the display elements and a light redirector disposed to receive light from the backplate and redirect the received light forward of the display elements for optical touch purpose. | 05-30-2013 |
20130135358 | LIGHT COLLIMATING MANIFOLD FOR PRODUCING MULTIPLE VIRTUAL LIGHT SOURCES - The present disclosure provides systems, methods and apparatus to produce a plurality of virtual light sources and at least partially collimate light. In one aspect, a manifold to collimate light can produce a plurality of virtual light sources used to inject light into a light guide for illuminating a display. The manifold can be formed of optically transmissive material and can have a backside for receiving light from a light source and a front wall, opposite the backside, for outputting light. The front wall can include first and second output portions separated by a non-light emitting area, each of the output portions providing a separate virtual light source. The upper, bottom, and side walls of the manifold can extend along a curve from the backside to the front wall and can be configured to collimate light propagating in directions extending out of the plane of the light guide. | 05-30-2013 |
20130135338 | METHOD AND SYSTEM FOR SUBPIXEL-LEVEL IMAGE MULTITONING - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying high resolution images using examples of a halftoning method based on diffusing quantization error from a subpixel displaying a color to one or more subpixels that display a different color. | 05-30-2013 |
20130135335 | METHODS AND APPARATUS FOR INTERPOLATING COLORS - This disclosure provides methods, apparatus, and computer programs encoded on computer storage media for displaying a target color on an electronic display having display devices capable of displaying a set of native colors. In one aspect, the method includes identifying a plurality of weights including at least a first weight and one or more other weights, selecting a first color from the set of native colors that is closest to the target color and assigning it to the first weight, determining an error between the first color and the target color, recursively assigning a subsequent color from the set of native colors to the one or more other weights. Each subsequent color is selected based on the target color and an error normalized by previously assigned weights. The method also displays each assigned color according to its weight on the electronic display. | 05-30-2013 |
20130135326 | SYSTEMS, DEVICES, AND METHODS FOR DRIVING AN INTERFEROMETRIC MODULATOR - This disclosure provides systems, methods, and apparatus for controlling the actuation of an analog interferometric modulator. In one aspect, a voltage may be determined from a sense electrode. A distance between one or more of the electrodes may be determined based on the voltage. The sense electrode may be capacitively coupled to another electrode, and may be implemented in a mirror of a movable layer of an interferometric modulator, or may be implemented in a floating fixed layer of an interferometric modulator. | 05-30-2013 |