Abstract: A composition (or an aggregate) comprising an epitaxial h-BN/BNNT structure that comprises a hexagonal boron nitride structure that is epitaxial with respect to a boron nitride nanotube structure. Also, a composition (or an aggregate) that comprises independent boron nitride nanotubes, in which a total mass percentage of independent hexagonal boron nitride and residual boron in the composition is not more than 35%. Also, a composition (or an aggregate) in which not more than 1% of independent boron nitride nanotubes and boron nitride nanotube structures have a dixie cup or bamboo defect. Also, a composition in which at least 50% of independent boron nitride nanotubes and boron nitride nanotube structures are single-wall. Also, a method of making a composition that comprises epitaxial h-BN/BNNT structures.

Abstract: A method of displaying a portion of an image (13) on a mobile device (15b) having a screen by communicatively coupling the mobile device (15b) to a computer device (11) displaying an image (13) on a display (12) under the control of the computer device (11), receiving image data relating to the image (13) from the computer device (11), and displaying an area (16b) of the image (13) on the screen of the mobile device (15b), the area (16b) having a magnification factor compared to the image (13). The magnification factor may be selected by the user according to the level of detail that is required and therefore allows the user to view the magnified area (16b) more privately, which may be appropriate in a presentation context where a member of the audience has difficulty seeing the screen and wishes to instead view the presentation or magnified sections of it on a hand-held device.

Abstract: A system to enable a computer to provide output to a display over a general-purpose data transmission medium, such as USB. The system includes provision of a plurality of display interface components, each display interface component adapted to receive display data and transmission of the display data to the display via the general-purpose data transmission medium. Each component is associated with a respective stage of operation of the system. The system is configured to use a respective one of the display interface components during each of a plurality of distinct operational stages.

Abstract: A method of determining which of at least two connected mobile devices is to function as a host device, wherein the mobile devices first determine which of them is to act as an initial host device and which is to act as an initial peripheral device. The initial host device then receives instructions from a user as to which of the mobile devices is to be the host device. If the instructions indicate that the initial host device is to be the host device, the initial host device controls, as host device, the initial peripheral device as a peripheral device, and if the instructions indicate that the initial peripheral device is to be the host device, the initial host device passes control to the initial peripheral device to enable the initial peripheral device to control, as host device, the initial host device as a peripheral device.

Abstract: A high-efficiency LED lamp is disclosed. Embodiments of the invention provide a high-efficiency, high output solid-state lamp. The lamp includes an LED assembly, an optical element disposed to receive light from the LED assembly, and an optical overlay. The optical element includes a primary exit surface, wherein the primary exit surface is at least about 1.5 inches from the LED assembly. In example embodiments, the optical element is roughly cylindrical in shape, but can take other shapes and be made from various materials. An LED lamp according to some embodiments of the invention has an efficiency of at least about 160 lumens per watt. In some embodiments, the lamp has a light output of at least 1200 lumens. In some embodiments, the LED lamp produces light with a color rendering index (CRI) of at least 90 and a warm white color.

Abstract: A lamp includes an optically transmissive enclosure and a base connected to the enclosure. A LED board is positioned in the enclosure and has a first side and a second side. A first LED array is mounted on the first side and a second LED array is mounted on the second side where the LED arrays are operable to emit light when energized through an electrical path from the base. A first diffusive lens and a second diffusive lens are located inside of and spaced from the enclosure. The first diffusive lens receives light emitted from the first LED array and the second diffusive lens receives light emitted from the second LED array.

Abstract: Solid state light emitter devices and methods are provided. A solid state light emitter device can include a submount having an upper surface and a bottom surface. At least first pair and a second pair of electrically conductive contacts can be disposed on the bottom surface of the submount. The first pair of contacts can be electrically independent from the second pair of contacts. The device can further include multiple light emitters provided on the upper surface of the submount. The multiple light emitters can be configured into at least a first light emitter zone that is electrically independent from a second light emitter zone upon electrical communication to a respective pair of contacts.

Abstract: A method, at a host device (10), of managing memory (28) of a display control device (16), the memory (28) being used for storing display data sent from the host device (10) to the display control device (16) for display. The method involves maintaining a map (18) at the host device (10) corresponding to the memory (28) at the display control device, the map (18) indicating locations corresponding to addresses of the memory (28) at which data is stored or not. The map (18) is used to determine a size of a portion of the display data, and a location on the map (18) where the portion of display data would fit into the memory. An address in the memory (28) corresponding to the determined location on the map (18), together with the portion of display data, is then sent to the display control device (16), and the location on the map (18) corresponding to the address in the memory (28) is updated to indicate that the address has data stored in it.

Abstract: A lamp has an optically transmissive enclosure and a base. A tower extends from the base into the enclosure and supports an LED assembly in the enclosure. The LED assembly comprises a plurality of LEDs operable to emit light when energized through an electrical path from the base. The tower and the LED assembly are arranged such that the plurality of LEDs are disposed about the periphery of the tower in a band and face outwardly toward the enclosure to create a source of the light that appears as a glowing filament. The tower forms part of a heat sink that transmits heat from the LED assembly to the ambient environment. The LED assembly has a three-dimensional shape. An electrical interconnect connects a conductor to the heat sink where the conductor is in the electrical path between the LED assembly and the base.

Abstract: A high-efficiency LED lamp is disclosed. Embodiments of the present invention provide a high-efficiency, high output solid-state lamp. The lamp includes an LED assembly, and an optical element or diffuser disposed to receive light from the LED assembly. The optical element includes a primary exit surface, wherein the primary exit surface is at least about 1.5 inches from the LED assembly. In example embodiments, the optical element is roughly cylindrical in shape, but can take other shapes and be made from various materials. An LED lamp according to some embodiments of the invention has an efficiency of at least about 150 lumens per watt. In some embodiments, the lamp has a light output of at least 1200 lumens. In some embodiments, the LED lamp produces light with a color rendering index (CRI) of at least 90 and a warm white color.

Abstract: A LED lamp comprises an enclosure containing a reflective surface and an optically transmissive exit surface and a base. A LED assembly is mounted on a submount, is located in the enclosure and is operable to emit light when energized through an electrical path from the base. The submount comprises a connector portion having a first electrical contact that is in the electrical path. A first spring contact is electrically coupled to lamp electronics where the lamp electronics and the first spring contact are in the electrical path. A heat sink comprises a heat dissipating portion that is at least partially exposed to the ambient environment and a heat conducting portion that is thermally coupled to the LED assembly. The connector portion is inserted into the heat sink such that the first electrical contact creates an electrical contact coupling with the first spring contact.

Abstract: Solid state light emitter devices and methods are provided. A solid state light emitter device can include a submount having an upper surface and a bottom surface. At least first pair and a second pair of electrically conductive contacts can be disposed on the bottom surface of the submount. The first pair of contacts can be electrically independent from the second pair of contacts. The device can further include multiple light emitters provided on the upper surface of the submount. The multiple light emitters can be configured into at least a first light emitter zone that is electrically independent from a second light emitter zone upon electrical communication to a respective pair of contacts.

Abstract: A lamp has an optically transmissive enclosure and a base. A tower extends from the base into the enclosure and supports an LED assembly in the enclosure. The LED assembly comprises a plurality of LEDs operable to emit light when energized through an electrical path from the base. The tower and the LED assembly are arranged such that the plurality of LEDs are disposed about the periphery of the tower in a band and face outwardly toward the enclosure to create a source of the light that appears as a glowing filament. The tower forms part of a heat sink that transmits heat from the LED assembly to the ambient environment. The LED assembly has a three-dimensional shape. An electrical interconnect connects a conductor to the heat sink where the conductor is in the electrical path between the LED assembly and the base.

Abstract: A lamp includes an optically transmissive enclosure and a base connected to the enclosure. A LED board is positioned in the enclosure and has a first side and a second side. A first LED array is mounted on the first side and a second LED array is mounted on the second side where the LED arrays are operable to emit light when energized through an electrical path from the base. A first diffusive lens and a second diffusive lens are located inside of and spaced from the enclosure. The first diffusive lens receives light emitted from the first LED array and the second diffusive lens receives light emitted from the second LED array.

Abstract: A lamp has an optically transmissive enclosure and a base. A tower extends from the base into the enclosure and supports an LED assembly in the enclosure. The LED assembly comprises a plurality of LEDs operable to emit light when energized through an electrical path from the base. The tower and the LED assembly are arranged such that the plurality of LEDs are disposed about the periphery of the tower in a band and face outwardly toward the enclosure to create a source of the light that appears as a glowing filament. The tower forms part of a heat sink that transmits heat from the LED assembly to the ambient environment. The LED assembly has a three-dimensional shape. An electrical interconnect connects a conductor to the heat sink where the conductor is in the electrical path between the LED assembly and the base.

Abstract: A lamp has an optically transmissive enclosure and a base defining a longitudinal axis of the lamp extending from the base to the free end of the enclosure. A heat sink is at least partially located in the enclosure and includes a tower that extends along the longitudinal axis of the lamp. An LED assembly is positioned in the optically transmissive enclosure. The LED assembly comprises a lead frame circuit or a flex circuit where LEDs are attached to the circuits. The lead frame and flex circuit are formed into a three-dimensional shape and are thermally coupled to the tower.

Abstract: In one embodiment, a lamp comprises an optically transmissive enclosure. An LED array is disposed in the optically transmissive enclosure operable to emit light when energized through an electrical connection. A gas is contained in the enclosure to provide thermal coupling to the LED array. The gas may include oxygen.

Abstract: A gas cooled LED lamp and submount is disclosed. The centralized nature of the LEDs allows the LEDs to be configured near the central portion of the optical envelope of the lamp. In example embodiments, the LEDs can be cooled and/or cushioned by a gas in thermal communication with the LED array to enable the LEDs to maintain an appropriate operating temperature for efficient operation and long life. In some embodiments, the LED assembly is mounted on a glass stem. In some embodiments a thermal resistant path is created that prevents overtemperature of the LED array during the making of the lamp. In some embodiments the LED assembly comprises a lead frame and/or metal core board that is bent into a three-dimensional shape to create a desired light pattern in the enclosure or an extruded submount formed into a three-dimensional shape.

Abstract: In one embodiment, a lamp comprises an optically transmissive enclosure. An LED array is disposed in the optically transmissive enclosure operable to emit light when energized through an electrical connection. A gas is contained in the enclosure to provide thermal coupling to the LED array. A board supports lamp electronics for the lamp and is located in the enclosure. The LED array is mounted to the board and LEDs are mounted on a submount formed to have a three dimensional shape. The board is electrically coupled to the LED array and the submount may be thermally coupled to the gas for dissipating heat from the plurality of LEDs.

Abstract: A lamp has an optically transmissive enclosure and a base defining a longitudinal axis of the lamp that extends from the base to the free end of the enclosure. An LED assembly is positioned in the optically transmissive enclosure. The LED assembly includes LEDs operable to emit light when energized through an electrical path from the base. The LED assembly is arranged such that the plurality of LEDs face perpendicularly to the longitudinal axis of the lamp. The emission profile of the LEDs being at least 120 degrees FWHM.