Patent application number | Description | Published |
20090169819 | Nanostructure Films - A nanostructure film, comprising at least one interconnected network of nanostructures, wherein the nanostructure film is optically transparent and electrically conductive. A method for improving the optoelectronic properties of a nanostructure film, comprising: forming a nanostructure film having a thickness that, if uniform, would result in a first optical transparency and a first sheet resistance that are lower than desired; and patterning holes in the nanostructure film, such that a desired higher second optical transparency and a second sheet resistance are achieved. A method for depositing a nanostructure film on a rigid substrate comprises: depositing the nanostructure film on a flexible substrate; and transferring the nanostructure film from the flexible substrate to a rigid substrate, wherein the flexible substrate comprises at least one of a release liner and a heat- or chemical-sensitive adhesive layer. | 07-02-2009 |
20100103502 | METHODS FOR ACHIEVING IMPROVED COLOR IN MICROENCAPSULATED ELECTROPHORETIC DEVICES - A method for manufacturing a full color, reflective display includes the steps of depositing a first plurality of electrophoretic display elements in substantial registration with a first electrode and a second plurality of electrophoretic display elements in substantial registration with a second electrode. The electrophoretic display elements include a capsule containing a species of particles dispersed in a suspending fluid. The selective deposition of the display elements can be achieved by ink-jet printing methods, screen printing methods or other printing methods. In some embodiments the electrodes are printed onto the substrate before selective deposition of the display elements, while in other embodiments the substrate is provided having the electrodes already disposed on it. In still other embodiments, the sequence of printing of electrodes and electrophoretic display elements can be varied. | 04-29-2010 |
20120206805 | NANOWIRE GRID POLARIZERS AND METHODS FOR FABRICATING THE SAME - A polarizer including a substrate sheet configured with grid elements on at least a first surface, wherein the grid elements have a height to width aspect ratio of at least 1.5:1, and metal coupled with the grid elements, wherein the metal comprises a height to width aspect ratio greater than the aspect ratio of the grid elements of the substrate. | 08-16-2012 |
20120326957 | FULL COLOR REFLECTIVE DISPLAY WITH MULTICHROMATIC SUB PIXELS - A full color, reflective display having superior saturation and brightness is achieved with a novel display element comprising multichromatic elements. In one embodiment a capsule includes more than three species of particles which differ visually. One embodiment of the invention employs three sub-pixels, each sub-pixel comprising capsules including three species of particles which differ visually. Another embodiment of the invention employs color filters to provide different visual states to the user. The display element provides a visual display in response to the application of an electrical signal to at least one of the capsules. | 12-27-2012 |
Patent application number | Description | Published |
20080211765 | STYLUS-BASED ADDRESSING STRUCTURES FOR DISPLAYS - Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surface to enable greater viewing angle and contrast. Another scheme includes an electrode structure that facilitates manufacture and control of a color display. Another electrode structure facilitates addressing a display using an electrostatic stylus. Methods of using the disclosed electrode structures are also disclosed. Another scheme includes devices combining display materials with silicon transistor addressing structures. | 09-04-2008 |
20090040594 | MULTI-COLOR ELECTROPHORETIC DISPLAYS AND MATERIALS FOR MAKING THE SAME - Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surface to enable greater viewing angle and contrast. Another scheme includes an electrode structure that facilitates manufacture and control of a color display. Another electrode structure facilitates addressing a display using an electrostatic stylus. Methods of using the disclosed electrode structures are also disclosed. Another scheme includes devices combining display materials with silicon transistor addressing structures. | 02-12-2009 |
20090167534 | RFID TAGS AND PROCESSES FOR PRODUCING RFID TAGS - A Radio Frequency Identification (RFID) tag. The RFID tag comprises a flexible substrate and an integrated circuit embedded within the flexible substrate. The top surface of the integrated circuit is coplanar with the flexible substrate. At least one conductive element is formed on the flexible substrate. The conductive element is electrically connected to the integrated circuit. The conductive element serves as an antenna for the RFID tag. | 07-02-2009 |
20090315044 | ELECTRO-OPTIC DISPLAYS, AND COMPONENTS FOR USE THEREIN - An electro-optic display comprises a substrate ( | 12-24-2009 |
20100156780 | METHODS FOR ACHIEVING IMPROVED COLOR IN MICROENCAPSULATED ELECTROPHORETIC DEVICES - A method for manufacturing a full color, reflective display includes the steps of depositing a first plurality of electrophoretic display elements in substantial registration with a first electrode and a second plurality of electrophoretic display elements in substantial registration with a second electrode. The electrophoretic display elements include a capsule containing a species of particles dispersed in a suspending fluid. The selective deposition of the display elements can be achieved by ink jet printing methods, screen printing methods or other printing methods. In some embodiments the electrodes are printed onto the substrate before selective deposition of the display elements, while in other embodiments the substrate is provided having the electrodes already disposed on it. In still other embodiments, the sequence of printing of electrodes and electrophoretic display elements can be varied. | 06-24-2010 |
20100283806 | MULTI-COLOR ELECTROPHORETIC DISPLAYS AND MATERIALS FOR MAKING THE SAME - Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surface to enable greater viewing angle and contrast. Another scheme includes an electrode structure that facilitates manufacture and control of a color display. Another electrode structure facilitates addressing a display using an electrostatic stylus. Methods of using the disclosed electrode structures are also disclosed. Another scheme includes devices combining display materials with silicon transistor addressing structures. | 11-11-2010 |
20120212462 | MULTI-COLOR ELECTROPHORETIC DISPLAYS AND MATERIALS FOR MAKING THE SAME - Novel addressing schemes for controlling electronically addressable displays include a scheme for rear-addressing displays, which allows for in-plane switching of the display material. Other schemes include a rear-addressing scheme which uses a retroreflecting surface to enable greater viewing angle and contrast. Another scheme includes an electrode structure that facilitates manufacture and control of a color display. Another electrode structure facilitates addressing a display using an electrostatic stylus. Methods of using the disclosed electrode structures are also disclosed. Another scheme includes devices combining display materials with silicon transistor addressing structures. | 08-23-2012 |
20130082984 | DISPLAY AND MULTI-LAYER PRINTED CIRCUIT BOARD WITH SHARED FLEXIBLE SUBSTRATE - An electronic device may be provided with a display and a multi-layer printed circuit. Integrated circuits and other components may be mounted to the multi-layer printed circuit. The display and multi-layer printed circuit may share a common layer formed from a flexible substrate. The flexible substrate may have portions that are integrated into the display and portions that are integrated into the multi-layer printed circuit board. The flexible substrate may contain patterned conductive traces that are used to route signals from components in the multi-layer printed circuit to display circuitry such as a display driver integrated circuit. An array of thin-film transistors may be used to control the emission of light from the display and may be formed on portions of the flexible substrate that are integrated into the display. The display may be a flexible display that includes an array of organic light-emitting diodes. | 04-04-2013 |
20130088671 | Displays with Minimized Border Regions - An electronic device may be provided with a display having a thin-film transistor layer. One or more holes in the thin-film transistor layer may be used to form pathways from display circuitry to other circuitry underneath the display. One or more conductive bridges may pass through holes in the thin-film transistor layer and may have one end that couples to the display circuitry and a second end that couples to a printed circuit underneath the display. These conductive bridges may be formed from wire bonding. Wire bond connections may be encapsulated with potting material to improve the reliability of the wire bond and increase the resiliency of the display. Display signal lines may be routed through holes in a thin-film transistor layer to run along a backside of the display thereby reducing the need for space in the border region for display circuitry. | 04-11-2013 |
20130161663 | ELECTRO-OPTIC DISPLAYS, AND COMPONENTS FOR USE THEREIN - An electro-optic display comprises a substrate ( | 06-27-2013 |
20130265134 | RFID TAGS AND PROCESSES FOR PRODUCING RFID TAGS - A Radio Frequency Identification (RFID) tag. The RFID tag comprises a flexible substrate and an integrated circuit embedded within the flexible substrate. The top surface of the integrated circuit is coplanar with the flexible substrate. At least one conductive element is formed on the flexible substrate. The conductive element is electrically connected to the integrated circuit. The conductive element serves as an antenna for the RFID tag. | 10-10-2013 |
20130278995 | FULL COLOR REFLECTIVE DISPLAY WITH MULTICHROMATIC SUB-PIXELS - A full color, reflective display having superior saturation and brightness is achieved with a novel display element comprising multichromatic elements. In one embodiment a capsule includes more than three species of particles which differ visually. One embodiment of the invention employs three sub-pixels, each sub-pixel comprising a capsule including three species of particles which differ visually. Another embodiment of the invention employs color filters to provide different visual states to the user. The display element provides a visual display in response to the application of an electrical signal to at least one of the capsules. | 10-24-2013 |
20130342099 | Displays with Vias - An electronic device may include a display. The display may be an organic light-emitting diode display. The organic light-emitting diode display may have a substrate layer, a layer of organic light-emitting diode structures, and a layer of sealant. Vias may be formed in the substrate layer. The vias may be formed before completion of the display or after completion of the display. The vias may be filled with metal using electroplating or other metal deposition techniques. The vias may be connected to contacts on the rear surface of the display. The vias may be located in active regions of the display or inactive regions of the display. The display may include a top surface emission portion and a bottom surface emission portion. | 12-26-2013 |
20140042406 | Flexible Displays - An electronic device may be provided with an organic light-emitting diode display with minimized border regions. The border regions may be minimized by providing the display with bent edge portions having neutral plane adjustment features that facilitate bending of the bent edge portions while minimizing damage to the bent edge portions. The neutral plane adjustment features may include a modified backfilm layer of the display in which portions of the backfilm layer are removed in a bend region. A display device may include a substrate, a display panel on the substrate having display pixels, and peripheral circuitry proximate the display panel and configured to drive the display pixels. A portion of the periphery of the substrate may be bent substantially orthogonal to the display panel to reduce an apparent surface area of the display device. The bent portion may include an electrode for communication with the peripheral circuitry. | 02-13-2014 |
20140049522 | Narrow Border Organic Light-Emitting Diode Display - An electronic device may be provided having an organic light-emitting diode display and control circuitry for operating the display. The display may include one or more display layers interposed between the control circuitry and a display layer having thin-film transistors. The electronic device may include a coupling structure interposed between the layer of thin-film transistors and the control circuitry that electrically couples the layer of thin-film transistors to the control circuitry. The coupling structure may include a dielectric member having a conductive via, a flexible printed circuit having a bent portion, or a conductive via formed in an encapsulation layer of the display. The display may include a layer of opaque masking material. The layer of opaque masking material may be formed on an encapsulation layer, an organic emissive layer, a thin-film transistor layer, or a glass layer of the organic light-emitting diode display. | 02-20-2014 |
20140132158 | Synchronized Ambient Light Sensor and Display - An electronic device may be provided that has a display. The display may produce light using a backlight unit or using an array of light-emitting display pixels. An ambient light sensor may be mounted under an active area of the display to measure ambient light that is transmitted through the display. The display may be periodically disabled to prevent the display from producing light that interferes with the ambient light sensor. Display pixels may be coupled to a common cathode switch that can be periodically opened or the backlight in a display with a backlight can be periodically turned off. Control circuitry for periodically disabling the display while enabling the ambient light sensor may be implemented using a display driver integrated circuit mounted to a display. | 05-15-2014 |
20140183342 | Electronic Devices With Light Sensors And Displays - An electronic device is provided with a display and a light sensor that receives light that passes through the display. The display includes features that increase the amount of light that passes through the display. The features may be translucency enhancement features that allow light to pass directly through the display onto a light sensor mounted behind the display or may include a light-guiding layer that guides light through the display onto a light sensor mounted along an edge of the display. The translucency enhancement features may be formed in a reflector layer or an electrode layer for the display. The translucency enhancement features may include microperforations in a reflector layer of the display, a light-filtering reflector layer of the display, or a reflector layer of the display that passes a portion of the light and reflects an additional portion of the light. | 07-03-2014 |
20140184057 | Narrow Border Displays For Electronic Devices - An electronic device may be provided with an organic light-emitting diode display with minimized border regions. The border regions may be minimized by providing conductive structures that pass through polymer layers of the display and/or conductive structures that wrap around an edge of the display and couple conductive traces on the display to conductive traces on additional circuitry that is mounted behind the display. | 07-03-2014 |
20140265822 | Electronic Device Displays With Border Masking Layers - An electronic device may be provided with a display. The display may have an active area with an array of display pixels and an inactive border region containing metal lines and other support circuitry. The array of display pixels may be formed from organic light-emitting diode structures in an organic-light-emitting diode layer. The display may also include an encapsulant layer on the organic light-emitting diode layer and a substrate layer. An opaque masking layer may be formed in the inactive border region. The opaque masking layer may overlap structures in the inactive border region such as the support circuitry, thereby blocking the support circuitry from view. The opaque masking layer may be formed a glass layer in the display, in part of a polarizer in a display, under a planarization layer, or between other layers in the display. | 09-18-2014 |
20150242739 | RFID TAGS AND PROCESSES FOR PRODUCING RFID TAGS - A Radio Frequency Identification (RFID) tag. The RFID tag comprises a flexible substrate and an integrated circuit embedded within the flexible substrate. The top surface of the integrated circuit is coplanar with the flexible substrate. At least one conductive element is formed on the flexible substrate. The conductive element is electrically connected to the integrated circuit. The conductive element serves as an antenna for the RFID tag. | 08-27-2015 |
20150287358 | Organic Light Emitting Diode Display Having Photodiodes - Systems, methods, and devices are provided in which photodetectors disposed throughout a display are used to control the display brightness. The photodetectors are to be used for ambient light sensing, proximity sensing, or to compensate for aging OLEDs. In some embodiments, photodiodes are fabricated with OLEDs during the TFT fabrication process. In some embodiments, the photodetectors may be disposed throughout the display in zones containing OLEDs. The photodetectors are used to control the display brightness and color for the OLEDs in areas around each photodetector based on ambient light, aging, and/or nearby objects. A controller makes driving strength adjustments to the OLEDs in each zone independent of other zones. Photodetectors disposed throughout the display may improve proximity sensing and provide additional functionality to the device. | 10-08-2015 |
Patent application number | Description | Published |
20080284600 | Location management for radio frequency identification readers - A Radio Frequency Identification (RFID) system for managing and identifying locations for an RFID reader is disclosed. An expected location of a fixed radio frequency identification (RFID) reader is determined. A first signal is transmitted from the reader to a first RFID tag to determine whether the reader is at the expected location. The first tag is a fiducial RFID tag fixed at a first location. In one aspect, the reader receives a first response to the first signal from the first tag. The first response identifies the first location of the first tag. The first location is compared to the expected location. If the first location and the expected location are different, an alarm is triggered. | 11-20-2008 |
20130083080 | OPTICAL SYSTEM AND METHOD TO MIMIC ZERO-BORDER DISPLAY - A system and methods to extending the overall display area for a device. At or near the borders of a device, pixel pitch between adjacent pixels may be increased such that overall pixel placement may be provided closer to a border of a display of a device. In one embodiment, pixel drive circuitry may be located in the spacing between adjacent pixels. Additionally, various optical systems and techniques may be utilized to provide an appearance of a lack of a border around the display such as decreasing the size of border pixels, overdriving the border pixels, or utilizing a light pipe on a surface above the border pixels. | 04-04-2013 |
20130135244 | EMBEDDED FORCE MEASUREMENT - Disclosed embodiments relate to a force detection system that detects force exerted on a flexible display based upon changes in resistance and/or capacitance. In one embodiment, a method includes measuring a baseline comprising a baseline resistance or a baseline capacitance or both of a force measurement layer disposed within or overlaid on the display panel. The method further includes detecting a change in the baseline resistance or the baseline capacitance or both and calculating a change location where the change in the baseline resistance or the baseline capacitance or both occurred. The method also includes calculating a magnitude of the change in the baseline resistance or the baseline capacitance or both. | 05-30-2013 |
20130194199 | ORGANIC LIGHT EMITTING DIODE DISPLAY HAVING PHOTODIODES - Systems, methods, and devices are provided in which photodetectors disposed throughout a display are used to control the display brightness. The photodetectors are to be used for ambient light sensing, proximity sensing, or to compensate for aging OLEDs. In some embodiments, photodiodes are fabricated with OLEDs during the TFT fabrication process. In some embodiments, the photodetectors may be disposed throughout the display in zones containing OLEDs. The photodetectors are used to control the display brightness and color for the OLEDs in areas around each photodetector based on ambient light, aging, and/or nearby objects. A controller makes driving strength adjustments to the OLEDs in each zone independent of other zones. Photodetectors disposed throughout the display may improve proximity sensing and provide additional functionality to the device. | 08-01-2013 |
20130321361 | DISPLAY HAVING INTEGRATED THERMAL SENSORS - Thermal sensors are disposed with OLEDs across a display of an electronic device to measure temperatures across the display surface. Thermal sensors may be used to create a temperature map across the display surface due to both the ambient environment and the internal environment of the electronic device. The thermal sensors may be disposed in the OLED layer, on a separate layer, or both. Thermal sensors may be disposed in a substantially 1:1 ratio with OLEDs or with zones of OLEDs. Both the temperature history and usage history for OLEDs may be recorded and processed to determine the age of each OLED. Controllers may adjust the driving strength of OLEDs or adjust the operation of components within the electronic device to compensate for aging or temperature based on the temperature map and age determination. Controllers may move static images from one part of the display to another less-aged part. | 12-05-2013 |
20140063039 | METHODS AND SYSTEMS FOR ADJUSTING COLOR GAMUT IN RESPONSE TO AMBIENT CONDITIONS - Systems and methods for adjusting a color space of a display. In one embodiment, the method for adjusting the color space of the display may include receiving image data to be rendered on the display and receiving an indication of an amount of ambient light impinging on the display. The method may then include rendering the image data in a first color space when the amount of ambient light is less than a threshold. Alternatively, the method may include rendering the image data in an expanded color space when the amount of ambient light is not less than the threshold. As such, the expanded color space may compensate for one or more color shifts in the image data caused by the ambient light. | 03-06-2014 |
20140063074 | SYSTEMS AND METHODS FOR CONTROLLING CURRENT IN DISPLAY DEVICES - The present disclosure relates generally systems and methods for controlling current provided to display devices. A method for controlling the current may include receiving drive current values associated with subpixels in a display and receiving information that corresponds to an application type being rendered on the display and/or an indication of image data being rendered on the display. The method may then include reducing at least some of the drive current values based at least in part on the application type. Alternatively, the method may include reducing the at least a portion of the image data corresponding to the at least some of the drive current values has substantially similar luminance and color values. The method may then include supplying the subpixels with drive currents that correspond to the drive current values. | 03-06-2014 |
20140085213 | Force Sensing Using Bottom-Side Force Map - A force sensor incorporated into a touch device, measuring deflection in a device stack, including compressible elements disposed between the device stack and the frame element. When the device stack is deformed, applied force is measured using the compressible elements, using capacitive sensing or strain measurements. The force sensitive sensor provides an applied force image for the touch device's surface. The applied force location [X, Y] can be determined from measures of cover glass tilt, force at particular points, and capacitive sensing of touch location. | 03-27-2014 |
20150103050 | Embedded Force Measurement - Disclosed embodiments relate to a force detection system that detects force exerted on a flexible display based upon changes in resistance and/or capacitance. In one embodiment, a method includes measuring a baseline comprising a baseline resistance or a baseline capacitance or both of a force measurement layer disposed within or overlaid on the display panel. The method further includes detecting a change in the baseline resistance or the baseline capacitance or both and calculating a change location where the change in the baseline resistance or the baseline capacitance or both occurred. The method also includes calculating a magnitude of the change in the baseline resistance or the baseline capacitance or both. | 04-16-2015 |