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| Number | Title | Issue Date |
| 8116004 | Reflective light shelf, system and method A reflective light shelf includes a first wall including an outer surface exhibiting a combination of diffuse and spectral reflectivity adapted to reflect light into the associated building structure and an inner surface disposed opposite the outer surface. A second... | 02/14/2012 |
| 8111460 | Solar tracking skylight system for illumination The present invention provides a solar tracking skylight system for illumination, primarily including a light guide, a solar tracking controller, a two-axis tracking mechanism, an energy converter and energy storage system, and a weather protective cover. The system... | 02/07/2012 |
| 8098433 | Direct and indirect light diffusing devices and methods Some embodiments provide a daylighting apparatus comprising an internally reflective tube configured to direct daylight from a first end of the tube to a second end of the tube opposite the first end. A diffuser can be positioned at the second end of the tube. The d... | 01/17/2012 |
| 8098434 | Optical decollimator for daylighting systems A decollimator for a daylighting system includes a conical section having a circular end, a square end, and a conical shape tapering inwardly from the circular end to the square end. A mixing zone section is attached to the square end of the conical section and has ... | 01/17/2012 |
| 8068282 | Solar-powered light damper for tubular skylight A tubular skylight is provided with a solar-powered light damper unit that includes a damper supported by an axle within a light-conveying tube, a solar cell, and a motor powered by the solar cell. The motor includes a cam that connects to the axle and that rotates ... | 11/29/2011 |
| 8040609 | Self-adjusting solar light transmission apparatus A self-adjusting solar light transmission (daylighting) apparatus includes a sunlight concentrating member (e.g., a lens array) for concentrating direct sunlight in focal zone regions disposed inside a sheet containing an evenly-distributed stimuli-responsive materi... | 10/18/2011 |
| 8027092 | Curved light shelf system for daylighting an interior space A light shelf for daylighting an interior space with reflected sunlight has a reflective upper surface having a cyma-reversa profile along a vertical cross-section perpendicular to the window, with a convex region adjacent to the window and a concave region distal f... | 09/27/2011 |
| 8018653 | Skylight collimator with multiple stages A non-specular skylight collimator has at least two axially successive collimator segments from top to bottom, with the segments becoming successively less flared from top to bottom. A skylight diffuser assembly typically covers the open end of the bottom segment. | 09/13/2011 |
| 7995277 | Apparatus for controlling energy through a skylight An apparatus for controlling energy from a skylight of a structure including a plurality of vanes positioned beneath the skylight and angularly adjustable to control solar radiation entering the structure through the skylight. The vanes are substantially S-shaped. A... | 08/09/2011 |
| 7982956 | Direct beam solar light system A direct beam solar lighting system for collecting and distributing sunlight into a room. The system includes a rotatable solar collector head to receive sunlight and to reflect the sunlight downward into a transition tube having a reflective interior surface. The l... | 07/19/2011 |
| 7940460 | Light shelf assembly and methods of installing the same Various embodiments provide a modular light shelf assembly in which individual light shelf units are substantially prefabricated. For example, in various embodiments, the assembly includes pre-fabricated support arms that are secured adjacent an interior wall of a b... | 05/10/2011 |
| 7843639 | Light distribution control method, light distribution control device, and greenhouse using the same A plurality of structures each having a number of ridges and being formed in a long and thin plate shape or a long and thin film shape. The cross section of each of the ridges forms a portion of a substantial circle and a surface thereof is a practically specular su... | 11/30/2010 |
| 7813041 | Solar tracking reflector system for structure lighting A solar tracking device is mounted above a skylight of a building. An array of mirrors is rotated at a rate of one revolution per day to reflect sunlight through the skylight. A control circuit intermittently adjusts the angular position of the tracking device so th... | 10/12/2010 |
| 7787185 | Brick or block-shaped building element and the assembly thereof A building element (E) is used for building walls, partitions, plates or closing devices such as blinds and doors, in particular for buildings and includes at least one volume (3) in particular in the form of a prism or cylinder limited by first (1) an... | 08/31/2010 |
| 7639423 | Direct beam solar lighting system A direct beam solar lighting system for collecting and distributing sunlight into a room. The system includes a rotatable solar collector head to receive sunlight and to reflect the sunlight downward into a transition tube having a reflective interior surface. The l... | 12/29/2009 |
| 7430077 | Solar tracking reflector system for structure lighting A solar tracking device is mounted above a skylight of a building. An array of mirrors is rotated at a rate of one revolution per day to reflect sunlight through the skylight. A control circuit intermittently adjusts the angular position of the tracking device so th... | 09/30/2008 |
| 7395636 | Skylight A skylight having an arched main body, an apex, a base, and corrugations is described. The main body has two lengths, the first being at substantially the apex and the second at the base wherein the first length is less than the second length. The skylight also has ... | 07/08/2008 |
| 7382436 | Mirror, lithographic apparatus, device manufacturing method, and device manufactured thereby A mirror has a mirror surface, wherein the mirror surface includes a protrusion including a material selected from at least one of Be, B, C, P, S, K, Ca, Sc, Br, Rb, Sr, Y, Zr, Nb, Mo, Ba, La, Ce, Pr, Pa and U, or a first protrusion including a first material select... | 06/03/2008 |
| 7352509 | Method and apparatus attenuating direct sun light while providing a view of the sky through a light tunnel in a skylight system An array of preferably at least three double-sided reflective panels mounted on a rigid frame pivoting at a mounting angle to create a double-sided reflective panel array. A tracking system positioning the rigid frame at a frame angle, with respect to the direct sun... | 04/01/2008 |
| 7339739 | Active daylighting and active solar heating system and method A daylighting system for structures consisting of a solar energy collector means including a modified Cassegrainian optical system, a means of moving said collector means to an attitude tracking the sun's position in the sky during daylight hours, a heat separation ... | 03/04/2008 |
| 7322156 | Skylight domes with reflectors A skylight cover includes a transparent lens and an opaque reflector attached to the inside of the cover opposite the lens. Light entering the lens can be refracted by the lens so that it reflects off of the reflector and into a tubular skylight assembly. Thus, the ... | 01/29/2008 |
| 7241021 | Emergency information lighting system An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220... | 07/10/2007 |
| 7227077 | Light element with a translucent surface A light element with a translucent surface includes an energy converter, wherein the translucent surface is so formed as to direct only that portion of the radiation onto the energy converter that impinges on the translucent surface. The energy converter may be a so... | 06/05/2007 |
| 7222461 | Light transmission system and method for buildings A light transmission system and method for a building according to which shading surfaces are provided on the roof of the building for preventing direct sunlight from passing through a roof light, while permitting the maximum amount of indirect sunlight to pass thro... | 05/29/2007 |
| 7185464 | Tubular skylight for lighting rooms with natural light A tubular skylight for lighting rooms with natural light, comprising a tubular body with a reflective inner surface which leads into a room and has, at its external end, a natural light collector assembly and, at its internal end, a light diffuser. The collector ass... | 03/06/2007 |
| 7146768 | Skylight tube with reflective film and surface irregularities A skylight shaft is coated with a highly reflective film to maximize the amount of light transmitted from the top of the skylight to a room below the skylight. Surface irregularities are formed in the shaft or adhesive that holds the film onto the shaft to diffuse t... | 12/12/2006 |
| 7147903 | High efficiency optical devices Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect l... | 12/12/2006 |
| 7102074 | Photovoltaic attachment system A photovoltaic attachment system for mounting photovoltaic panels on top of a building's roof is disclosed. The attachment system does not require drilling of holes into the roof and does not affect the integrity of the roof. The photovoltaic attachment system compr... | 09/05/2006 |
| 7095406 | Driving integrated circuit unit for a liquid crystal display device A integrated circuit driving unit for a LCD device includes a base film having first and second regions; first and second input lines on the base film; first and second output lines on the base film; first and second input pads at a boundary of the base film connect... | 08/22/2006 |
| 7027691 | Light coupling and distribution system A light coupling and distribution system includes a plurality of light sources are used to generate light. The lighting system further has an optical fiber and a light coupler optically coupling the light sources to the fiber. The light coupler has a body and a plur... | 04/11/2006 |
| 6956996 | Tri-state optical systems and methods Optical systems are provided. A representative optical system includes an optical transceiver with an optical source and an optical receiver. The system also includes an optical bus. At least one of the optical source and the optical receiver is optically coupled to... | 10/18/2005 |
| 6924014 | High efficiency optical devices Optical devices according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow an... | 08/02/2005 |
| 6918216 | Tubular skylight assembly A square skylight panel is vacuum-formed of light transmitting sheet plastic and has a lower peripheral flange which projects under roof shingles. The skylight panel covers a one-piece upper coupler member which is vacuum-formed of light transmitting sheet plastic a... | 07/19/2005 |
| 6919591 | Thin film transistor array panel for a liquid crystal display A plurality of gate lines formed on an insulating substrate, each gate line including a pad for connection to an external device; a plurality of data lines intersecting the gate lines and insulated from the gate lines, each data line including a pad for connection t... | 07/19/2005 |
| 6834971 | Low-backscatter aperture structure A system including but not limited to a low-backscatter aperture structure, where the system can include but is not limited to a camera, an optical communications system, an imaging system, a test system, and a measurement system. ... | 12/28/2004 |
| 6824639 | Partial imaging of a substrate with superimposed layers A method of partially imaging an imaging surface of a substrate (50) with a plurality of layers of marking material (10) which have at least one common boundary within a print pattern that covers only certain portions of the substrate and not other por... | 11/30/2004 |
| 6812398 | Separable solar energy storage device A separable solar energy storage device, comprising a solar energy reception device, a solar energy conversion circuit, an extension cord for connecting the solar energy reception device and the solar energy conversion circuit, and storage batteries connecting to th... | 11/02/2004 |
| 6699559 | Honeycomb transparent insulation with improved insulating ability An inorganic particulate, having strong absorption in the thermal infrared region of the radiative spectrum and low absorption in the solar or visible portion of the radiative spectrum, is combined with a plastic resin, to create a composite material. Thi... | 03/02/2004 |
| 6641883 | High efficiency optical devices Optical devices such as light pipes which incorporate multilayer optical films in which the refractive indices of two adjacent layers in the thickness direction are substantially matched or are small relative to the difference in refractive indices of sai... | 11/04/2003 |
| 6580559 | Element for lighting rooms by selective daylight guidance and method of manufacturing such an element What is described here is a method and an element of lighting rooms by selective guidance of daylight, comprising an optically transparent main body through which the light is incident into the respective room, and including plurality of structures on whi... | 06/17/2003 |
