Patent application number | Description | Published |
20080278798 | MEMs display apparatus - This invention relates to display apparatuses having an array of light modulators and a plurality of spacers distributed within the interior of the array. The display apparatus may also include a reflective aperture layer disposed on a front facing surface of a substrate included in the display apparatus. | 11-13-2008 |
20090103164 | Spacers for maintaining display apparatus alignment - The invention relates to methods and apparatus for forming a display apparatus. According to one aspect of the invention, the display apparatus includes a first substrate having an aperture layer formed thereon, a light guide for guiding light towards the aperture layer, a plurality of MEMS light modulators for modulating light passing through the aperture layer from the light guide, and a spacer substantially surrounding the light guide for keeping the light guide and the first substrate a predetermined distance apart from one another, thereby forming a gap between the first substrate and the light guide. Alternatively or in addition, the first substrate may have a control matrix formed thereon. | 04-23-2009 |
20090244678 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption. | 10-01-2009 |
20090257245 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING PRISMATIC STRUCTURES AND LIGHT REDIRECTORS - Improved apparatus and method for collecting and directing light from a source via a light guide and modulated display assembly in an efficient manner through the design and use of prismatic optical structures, diffusers and/or light redirectors. | 10-15-2009 |
20100188443 | SENSOR-BASED FEEDBACK FOR DISPLAY APPARATUS - The invention relates to methods and apparatus for feedback control of image and color quality in a direct-view MEMS display apparatus. The display apparatus includes a lamp capable of providing light, a sensor capable of detecting information indicative of characteristics of light provided by the lamp and outputting a sensor signal based at least partially on the information, and control circuitry for controlling illumination of the lamp based at least partially on the sensor signal. | 07-29-2010 |
20110122474 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating light modulators are disclosed along with methods of manufacturing such devices. According to some aspects of the invention, a control matrix for controlling light modulators of a display includes a light absorbing layer that includes a material having a substantially light absorbing property. | 05-26-2011 |
20110148948 | CIRCUITS FOR CONTROLLING DISPLAY APPARATUS - A method of operating a display including loading image data to pixels in multiple rows of pixels in an array of pixels during a data loading phase, actuating the pixels in the multiple rows during an update phase, and illuminating at least one lamp during an lamp illumination phase to illuminate the actuated pixels to form an image on the display, in which each of the loading, actuating and illuminating phases partially overlap in time. | 06-23-2011 |
20110157679 | METHODS FOR MANUFACTURING COLD SEAL FLUID-FILLED DISPLAY APPARATUS - This methods and devices described herein relate to displays and methods of manufacturing cold seal fluid-filled displays, including MEMS. The fluid substantially surrounds the moving components of the MEMS display to reduce the effects of stiction and to improve the optical and electromechanical performance of the display. The invention relates to a method for sealing a MEMS display at a lower temperature such that a vapor bubble does not formforms only at temperatures about 15° C. to about 20° C. below the seal temperature. In some embodiments, the MEMS display apparatus includes a first substrate, a second substrate separated from the first substrate by a gap and supporting an array of light modulators, a fluid substantially filling the gap, a plurality of spacers within the gap, and a sealing material joining the first substrate to the second substrate. | 06-30-2011 |
20110205756 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING PRISMATIC STRUCTURES AND LIGHT REDIRECTORS - Apparatus and method for collecting and directing light from a source via a light guide and modulated display assembly in an efficient manner through the design and use of prismatic optical structures, diffusers and/or light redirectors. The prismatic optical structures may include a plurality of rear-facing prisms and/or front-facing prisms, each with an associated prism apex angle. The prism apex angle for each of the prisms may be selected such that on-axis brightness intensity and/or total optical power extraction of the display are improved. | 08-25-2011 |
20110242844 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING LIGHT REDIRECTORS AT VARYING DENSITIES - Light guides and backlight systems are disclosed that include one or more groups of geometric light redirectors whose density and/or orientation across the surface of a light guide varies to improve light emission uniformity and to reduce visual artifacts. | 10-06-2011 |
20110267668 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption. | 11-03-2011 |
20120154455 | SYSTEMS AND METHODS FOR MEMS LIGHT MODULATOR ARRAYS WITH REDUCED ACOUSTIC EMISSION - Systems and methods for a display having an array of pixels, a substrate, and a control matrix formed on the substrate are described. The array of pixels includes mechanical light modulators that can be referred to as micro-electro-mechanical or MEMS light modulators. The MEMS light modulators may be shutter-based light modulators, and an array of apertures may be formed on the substrate corresponding spatially to the shutters in the array of shutter-based light modulators. Each modulator is configured to be driven from a-light-blocking state to a-light-transmissive state through a movement direction. The array of light modulators are arranged to reduce the correlations in movement directions of neighboring pixels, thereby reducing the amplitude of acoustic emissions from the display. | 06-21-2012 |
20120275184 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING PRISMATIC STRUCTURES AND LIGHT REDIRECTORS - Improved apparatus and method for collecting and directing light from a source via a light guide and modulated display assembly in an efficient manner through the design and use of prismatic optical structures, diffusers and/or light redirectors. | 11-01-2012 |
20120287144 | DISPLAY DEVICES AND METHODS FOR GENERATING IMAGES THEREON - A display includes pixels and a controller. The controller can cause the pixels to generate colors corresponding to an image frame. The controller can cause the display to display the image frame using sets of subframe images corresponding to contributing colors according to a field sequential color (FSC) image formation process. The contributing colors include component colors and at least one composite color, which is substantially a combination of at least two component colors. A greater number of subframe images corresponding to a first component color can be displayed relative to a number of subframe images corresponding to another component color. The display can be configured to output a given luminance of a contributing color for a first pixel by generating a first set of pixel states and output the same luminance of the contributing color for a second pixel by generating a second, different set of pixel states. | 11-15-2012 |
20120300497 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING LIGHT REDIRECTORS AT VARYING DENSITIES - Light guides and backlight systems are disclosed that include one or more groups of geometric light redirectors whose arrangement and/or orientation across the surface of a light guide varies to improve light emission uniformity and to reduce visual artifacts. | 11-29-2012 |
20120320111 | DIRECT-VIEW MEMS DISPLAY DEVICES AND METHODS FOR GENERATING IMAGES THEREON - A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets. | 12-20-2012 |
20120320112 | DIRECT-VIEW MEMS DISPLAY DEVICES AND METHODS FOR GENERATING IMAGES THEREON - A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets. | 12-20-2012 |
20120320113 | DIRECT-VIEW MEMS DISPLAY DEVICES AND METHODS FOR GENERATING IMAGES THEREON - A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets. | 12-20-2012 |
20130010341 | ALIGNMENT METHODS IN FLUID-FILLED MEMS DISPLAYS - This application relates to a display including a first layer of material including a first aperture having at least one side, a first substrate separated from the first layer of material by a gap, where the first substrate is arranged to pass through a portion of light emitted from a light source into the gap. The display further includes a movable shutter arranged within the gap, where the shutter is movable to at least a first position and a second position, to obstruct passage of the portion of light through the first aperture at the first position. The movable shutter has a first edge, and in the first position, the movable shutter is aligned with the first aperture such that the first edge extends a first length past the at least one side of the first aperture. | 01-10-2013 |
20130010342 | DISPLAY APPARATUS AND METHODS FOR MANUFACTURE THEREOF - Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption. | 01-10-2013 |
20130021662 | DISPLAYS HAVING SELF-ALIGNED APERTURES AND METHODS OF MAKING THE SAME - A display for imaging includes an aperture layer and a set of light modulators. The aperture layer includes a light absorbing layer disposed over a light reflecting layer, each layer having a set of apertures defined therein. The light absorbing layer includes light absorbing material suspended in a photosensitive resin. The set of light modulators are for modulating light passing through the apertures defined in the aperture layer. | 01-24-2013 |
20130082607 | REFLECTIVE AND TRANSFLECTIVE OPERATION MODES FOR A DISPLAY DEVICE - A direct-view display apparatus includes a transparent substrate, an internal light source, a plurality of light modulators coupled to the transparent substrate, and a controller for controlling the states of the plurality of light modulators and the internal light source. The controller is configured to cause the display to transition from one of a transmissive, reflective and transflective mode, to a second of said modes. | 04-04-2013 |
20130135193 | ELECTROMECHANICAL SYSTEMS DISPLAY APPARATUS INCORPORATING CHARGE DISSIPATION SURFACES - This disclosure provides systems, methods and apparatus for dissipating charge buildup within a display element with a conductive layer. The conductive layer is maintained in electrical contact with a fluid within the display element. The fluid, in turn, remains in contact with light modulators within the display elements. Any charge buildup that may be caused by the filling of the fluid during fabrication of the display device, or during operation of the light modulators can be dissipated by the conductive layer. Thus, by dissipating the charge buildup, the conductive layer reduces or eliminates electrostatic forces due to the charge buildup that may affect the operability of the light modulators. The display can include conductive spacers in an active display region of the display and a spacer-free region that allows the substrates to deform while retaining an electrical connection between the conductive layer and the spacers in the active display region. | 05-30-2013 |
20130250619 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING PRISMATIC STRUCTURES AND LIGHT REDIRECTORS - Improved apparatus and method for collecting and directing light from a source via a light guide and modulated display assembly in an efficient manner through the design and use of prismatic optical structures, diffusers and/or light redirectors. | 09-26-2013 |
20130321477 | DISPLAY DEVICES AND METHODS FOR GENERATING IMAGES THEREON ACCORDING TO A VARIABLE COMPOSITE COLOR REPLACEMENT POLICY - This disclosure provides systems, methods and display apparatus including pixels and a controller. The controller controls the amount of light emitted by the display apparatus for each of the pixels. Controlling the amount of light emitted includes controlling the luminance of at least four contributing colors emitted for the pixel. At least one of the contributing colors is a composite color which substantially corresponds to a combination of at least two of the remaining contributing colors, and the combined luminance of the at least four contributing colors results in a set of color tristimulus values for the pixel. The controller is further configured to generate substantially the same color tristimulus values for first and second pixels of an image frame by causing the display apparatus to emit a different composite color luminance for the first pixel than for the second pixel. | 12-05-2013 |
20130343086 | LIGHT GUIDES AND BACKLIGHT SYSTEMS INCORPORATING LIGHT REDIRECTORS AT VARYING DENSITIES - Light guides and backlight systems are disclosed that include one or more groups of geometric light redirectors whose arrangement and/or orientation across the surface of a light guide varies to improve light emission uniformity and to reduce visual artifacts. | 12-26-2013 |
20140043370 | THREE DIMENSIONAL (3D) IMAGE GENERATION USING ELECTROMECHANICAL DISPLAY ELEMENTS - An apparatus for displaying three-dimensional (3D) images includes an array of display elements and a controller. The controller can control a set of display elements in the array to form, at a first time, a first eye image corresponding to input data by causing the light modulators to be driven into a first set of positions. The first eye image includes an angular distribution of light weighted towards a first side of the display. The controller also can control the same set of display elements to form, at a second time, a second eye image corresponding to input data by causing the light modulators to be driven into a second set of positions. The second eye image includes an angular distribution of light weighted towards an opposite side of the display. | 02-13-2014 |
20140118388 | DISPLAY APPARATUS EMPLOYING FRAME SPECIFIC COMPOSITE CONTRIBUTING COLORS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for displaying images using a frame-specific contributing color (FSCC). In one aspect, an input is configured to receive image data corresponding to a current image frame. Contributing color selection logic is configured, based on received image data, to obtain a FSCC for use in conjunction with a set of frame-independent contributing colors (FICCs) to generate the current image frame on a display. In addition, subframe generation logic is configured to process the received image data for the current image frame to generate at least two subframes for each of the FICCs and the obtained FSCC such that an output by the display of the generated subframes results in the display of the current image frame. | 05-01-2014 |
20140168235 | DISPLAY APPARATUS WITH DENSELY PACKED ELECTROMECHANICAL SYSTEMS DISPLAY ELEMENTS - This disclosure provides systems, methods and apparatus for reducing undesired capacitance and electrostatic attraction among components of electromechanical systems (EMS) displays. An apparatus includes an array of display elements, a control matrix, and an electric insulation layer. The display elements each include a movable light blocking component coupled to a conductive beam. The control matrix includes a plurality of interconnects, including at least one switched interconnect, which passes under and is electrically isolated from at least one of the conductive beam and the movable light blocking component | 06-19-2014 |
20140168278 | DISPLAY WITH LIGHT MODULATING PIXELS ORGANIZED IN OFF-AXIS ARRANGEMENT - Displays having a plurality of shutter assemblies with movable shutters. Typically, the shutter assemblies are arranged in a grid of rows and columns, and the grid has a horizontal axis aligned with a horizontal axis of the display. The shutter assembly is aligned within the grid to have the axis of motion of respective shutters extend at an angle relative to the horizontal axis of the grid. In certain implementations, the shutter assemblies have a rectangular peripheral edge, and are arranged in the grid to have the square peripheral edge disposed at an angle relative to the horizontal axis of the grid. This can arrange the shutter assemblies into a diamond layout within the grid and place the shutter assemblies of adjacent columns into spatially offset rows of the grid. In some implementations, this increases the pixels per inch of the display, in other implementations, increases the aperture ratio. | 06-19-2014 |
20140210802 | AMBIENT LIGHT AWARE DISPLAY APPARATUS - Systems, apparatus, and methods are disclosed herein for adjusting the operation of a display based on ambient lighting conditions. One such apparatus includes a sensor input for receiving sensor data indicative of an ambient lighting condition, output logic and color gamut correction logic. The output logic is configured to simultaneously cause light sources of at least two colors to be illuminated to form each of at least three generated primary colors. The color gamut correction logic is configured to cause the output logic to adjust the output of at least one display light source for each of the at least three generated primary colors to change the saturation of each of the at least three generated primary colors based on the received ambient light sensor data. | 07-31-2014 |
20140327948 | DISPLAY ELEMENTS INCORPORATING ASYMMETRIC APERTURES - This, disclosure provides systems, methods and apparatus for improving the angular light distribution of a display apparatus. Smaller shutter-based display apparatus that modulate light passing through at least two apertures in an aperture or light blocking layer can provide similar viewing angle characteristics as larger shutter-based modulators by disproportionately reducing the width of a subset of the at least two apertures in relation to the remainder of the apertures. As the width of such apertures is one of the primary determinants of viewing angle, allowing a greater percentage of the light throughput of a shutter assembly to pass through wider apertures helps maintain a wider viewing angle for the display. | 11-06-2014 |
20140362092 | LIGHT EMITTING DIODE (LED) BACKLIGHT WITH REDUCED HOTSPOT FORMATION - This disclosure provides systems, methods and apparatus for reducing hotspots in backlit displays. Hotspot artifacts in multi-color backlit displays can be reduced by incorporating optical structures along the edges of light guides incorporated into the backlights. The optical structures are positioned adjacent to light emitting modules that emit light into the light guide. Light emitted from the light emitting modules passes through the optical structures before entering the light guide. Hotspot size can be reduced by appropriately configuring the shapes and sizes of these optical structures. In some implementations, the optical structures may include serrations along the side of the light guide adjacent to the light sources. In some other implementations, the optical structures may include dimples. Size of hotspots may also be reduced by reducing the distance between adjacent light sources of the same color. | 12-11-2014 |
20140375538 | DISPLAY APPARATUS INCORPORATING CONSTRAINED LIGHT ABSORBING LAYERS - This disclosure provides systems, methods and apparatus for modulating light for a display. The system includes a light blocking layer including a reflective layer and a light absorbing layer. The light blocking layer is configured such that any conductive components therein underlie or cover less than a majority of the circuitry controlling the display elements incorporated into the display. | 12-25-2014 |