Abstract: An illumination maintenance system for maintaining a desired illumination profile in a space throughout at least a portion of a day, the space being illuminable by both daylight and electric light, the system comprising a sensor for sensing an illumination level in at least a portion of the space; a plurality of dimmable electric lamps providing the electric light to supplement the daylight illumination of the space, the electric lamps arranged in one or more zones in the space, the zones defining predefined volumes of the space, each zone having at least one lamp; a control system controlling the dimming levels of the plurality of electric lamps, the at least one lamp of each zone being controlled to a dimming level to achieve a desired illumination level in the respective zone according to the desired illumination profile and compensate for the daylight illumination in the space throughout at least the portion of the day; wherein the dimming level of each lamp is selected by the control system from one of a

Abstract: A system for reducing sun glare through an opening into a space, the system comprising an electrically controllable window treatment operable to alter the amount of daylight entering the space through the opening; a first sensor mounted within the space and characterized by a sensor gain, the first sensor operable to sense a level of illumination in the space; and a control system operable: to compare the sensed illumination level in the space to a dead-band having upper and lower thresholds; to adjust during a time period when glare from the sun can occur through the opening at least one of: (a) the upper threshold of the dead-band, (b) the lower threshold of the dead-band, and (c) the sensor gain of the first sensor; and to adjust the window treatment in response to the sensed level of illumination to reduce the sun glare.

Abstract: A compact or thin lighting system is provided. Light fluxes emitted from an arc tube 22 are made to enter from a light reception face c1 of an optical member 24 from a reflector 24 and to emit from a light emission face c3 orthogonal to the light reception face c1. Light fluxes entering the light emission face c3 at a small angle are reflected and turned to a main reflection face c2, and then emitted from the light emission face c3. By using total internal reflection of the light emission face, the size and thickness can be decreased.

Abstract: A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The optical system manipulates light emitted by a planar array of electrically-interconnected LED chips positioned within the input apertures of a corresponding array of shaped metallic reflecting bins using at least one of elevated prismatic films, polarization converting films, micro-lens arrays and external hemispherical or ellipsoidal reflecting elements. Practical applications of the LED array illumination systems include compact LCD or DMD video image projectors, as well as general lighting, automotive lighting, and LCD backlighting.

Abstract: A light mounted in a top hub of a center shank of a patio umbrella is disclosed. The light includes a transparent cap; a seat secured to the shank and including radial grooves extended from the shank with one ends of ribs pivotably provided therein, and peripheral compartments each formed between two adjacent grooves; light emitting units provided in the compartments; a shade secured to the shank and the seat, the shade including transparent casings equally spaced around the shank, the casings being secured to the compartments for enclosing the light emitting units; and a power source provided in the cap and electrically connected to the light emitting units. Preferably, the light emitting element is one or more LEDs and the power source is a solar battery.

Abstract: An indoor shoe with an illumination capability, and the indoor shoe has a shoe body, a light source, a triggering device, and a battery. The triggering device is electrically connected to the battery and the light source, and the triggering device is a pressure sensitive triggering device; wherein when a user steps on the bottom portion, the triggering device switches on the light source.

Abstract: A wall-mountable mirror support unit including at least one box having a rear face attachable to a wall is provided. A light permeable cover extends over and seals the front of the box to prevent the ingress of water or dirt therein. The box contains at least one light and associated circuitry therein. The support unit includes means to enable a mirror having light-permeable regions to be attached thereto over the front of the box so that the light emitted by each light is transmitted through the light permeable cover and the light permeable regions of the mirror.

Abstract: A device that is permanently installed on the exterior of building that allows for the easy installation and removal of Christmas lights or other such string lighting systems. The device is rectangular shaped channel with a grove removed from the front face to allow for the insertion and mounting of Christmas lights via clips contained on the lamp socket base.

Abstract: Devices and methods for externally accessing and adjusting a lighting fixture optic and adjusting a lighting fixture enclosure on its base. Embodiments provide a lighting fixture enclosure with an opening at the top that both receives a removable screw for securing the top and, when the screw is removed, allows insertion of a tool to rotate a reflector and thereby adjust the rotational direction of the light. Such a reflector may be movably coupled to an inside surface of the fixture top while being secured to a bracket. A tool inserted through the opening at the top of the fixture may engage an aperture in the bracket such that as the tool is rotated, the bracket and secured reflector also rotate.

Abstract: A bedside flashlight cradle for supporting a flashlight from the side of a bed frame for ready access. The cradle includes a grasper end for connection to the bed frame, a middle section, and a cradle. The grasper end may attach to the bed frame without fastener, for example, by sliding over the vertical side wall of the bed frame. The middle section may cant backward in order to support the flashlight flush with the edge of the bed frame. The cradle may be provided in spaced apart pairs to support the flash light or in other configurations such as an integral unit that has sufficient width to support a flashlight or an integral unit that has a single grasper end of sufficient width with a pair of spaced-apart cradles.

Abstract: A decorative lighting assembly includes a plurality of light emitters each having a pair of oppositely positioned first male connectors. The light emitters emit light when power flows through the first male connectors of the light emitters. A plurality of elongated couplers is provided and each has a pair of first female connectors electrically coupled together and positioned opposite of each other. Each of the first female connectors is configured to receive and electrically connect to one of the first male connectors. The light emitters are each positioned between and electrically coupled to a pair of elongated couplers to form a strand of electrically coupled light emitters. The strand is electrically coupled to a power supply coupler configured for electrically engaging a female power outlet.

Abstract: A replacement light fixture for directing light emitted from a light source toward an area to be illuminated, including a base member upon with the light source is positioned and a reflector assembly detachably secured to a first and second mounting brackets that are mounted to a portion of the preexisting light fixture housing such that a lens portion of the reflector assembly overlies the light source and such that substantially all of the light emitted from the light source passes through the lens portion

Abstract: A light module (1) comprising a plurality of radiation-emitting semiconductor components (2), each of which is assigned an emission angle (2?), comprising at least one component having an optical element (9) that enlarges the emission angle (2?), and comprising a common optical device for focusing the radiation. The radiation is intermixed by means of the optical element (9). Also disclosed is a light multiple module (16), which has at least two light modules (1).

Abstract: A display with a housing and an indicium that may be selectively back-illuminated. The housing includes a cavity having a first portion and a second portion. A first light source that provides light of one color and a first intensity is disposed in the first portion. A second light source that provides light of another color and a second, higher intensity is disposed in the second portion. The second portion is disposed in-line and encompasses an area that includes the indicium. Operation of only the first light source back-illuminates the indicium with a first color. Operation of the second light source back-illuminates the indicium with a second color regardless of whether the first light source is illuminated or not. A member may be disposed between the first and second portions to aid in controlling the brightness and uniformity with which the indicium is illuminated by the first light source.

Abstract: The invention provides a multicolor LED light source for transmitted light illumination compatible with most microscopes. The light source provides spatially and angularly uniform monochromatic illumination in red, green, or blue color, or in their combinations. Switching of wavelengths is very fast, which is desirable for automated scanning of specimens. The light source is inexpensive and compact; it can be accommodated in the condenser space of a typical microscope, eliminating standard white light source, condenser and light filtering device. The invention also provides different means of shaping light for illumination of microscopic specimens. The invention also provides a method for acquiring full color images with the present light source and a monochrome camera.

Abstract: Lighting device having a number of light sources for illumination an area around the lighting device. The lighting device including capabilities for generating illumination when a primary power source is unavailable. The light device may include a secondary power source for use in powering the lighting device when the primary power source is unavailable. The lighting device may include multiple operating modes, optionally depending on the active power source.

Abstract: An accessory attachment apparatus for removably mounting an accessory to a structure is disclosed. The accessory has a coupling member of a first size. The device includes an elongate member defined by a base segment, and a pair of opposed coupling segments. The coupling segments may each include a gripping portion for frictionally and releasably engaging the coupling member between such opposed coupling segments.

Abstract: An LED lighting device is provided which is capable of being connected to a network and being controlled by a host computer also connected to the network. The lighting device has several lifespan expanding features such as including several extra LEDs such that as the LEDs of the lighting device degrade over time more LEDs can be turned on thus allowing a constant luminosity to be maintained.

Abstract: A shapeable decoration lamp series comprises at least one light emitting wire bank; each light emitting wire bank having at least one end having a terminal; a connector being connected to the terminal of the light emitting wire bank; and at least one non-light emitting wire bank; each non-light emitting wire bank having at least one end having a terminal. Each light emitting wire bank includes a plurality of light emitting elements and the terminal. The transmission line is a flexible transmission line so as to be bent to a predetermined characters or patterns as a decorations. The non-light emitting wire bank is made of flexible transmission line. The terminal is connected to a control box; the control box is a battery with a control circuit, or a cigar-lighter with a control circuit therein; the control box serves to control the illuminations of the light emitting elements.

Abstract: Disclosed is an illumination apparatus. The apparatus comprises a plurality of external electrode fluorescent lamp (EEFL) sets, each of the sets consisting of a plurality of EEFLs; at least a pair of support members arranged to be opposite to each other so as to support the EEFL sets and having through-holes therein so as to insert both ends of the EEFL; and electric wires provided to a side of the EEFL and electrically connecting the one EEFL set to another EEFL set.

Abstract: An LED light string including a first loop, which further includes a first plurality of LEDs in series successively connected by first connecting wires, and at least one first resistor connected to two first resistor wires, the first two resistor wires removably connected to two of the first connecting wires in any portion of the first loop.

Abstract: A method of increasing the spatial uniformity of the detected intensity of a beam of light from a laser in a system including the laser and a light detector. In one embodiment the method includes the steps of generating a beam of light with the laser; and moving the beam of light and the light detector relative to each other, such that the detector averages the spatial intensity of the beam of light over time. In another embodiment the invention relates to a system for increasing the detected spatial uniformity of the intensity of a beam of light.

Abstract: A color changer, particularly for spotlights, comprising at least one dichroic filter which is adapted to be arranged in front of a light source, a motor for moving the at least one dichroic filter which is adapted to place the dichroic filter at least partially in front of the light source, the color changer further comprising an actuator which is adapted to tilt the dichroic filter with respect to the axis of emission of the light source.

Abstract: A digital micromirror device (“DMD”) is used to alter the shape of light that is projected onto a stage. The DMD selectively reflects some light, thereby shaping the light that is projected onto the stage. The control for the alteration is controlled by an image. That image can be processed, thereby carrying out image processing effects on the shape of the light that is displayed. One preferred application follows the shape of the performer and illuminates the performer using a shape that adaptively follows the performer's image. This results in a shadowless follow spot.

Abstract: A heat sink device for configuring a lamp house is disclosed. The heat sink device includes a heat sink and a lamp house. The lamp house is telescoped into the heat sink. The heat sink includes room for containing a heat condition material. The lamp house is used for configuring an light emitting device. The heat sink comprises a plurality of fins surround itself. The heat generated by the light emitting device can be dissipated into the air via the heat condition material and the fins.

Abstract: A dual reflector system includes a first reflector defining a first depth and a first focal point and a second reflector defining a second depth and a second focal point. The second depth is less than the first depth. The first and second reflectors are shaped and/or positioned such that the first reflector focal point is substantially the same as the second reflector focal point.

Abstract: A light guide module and an optical mouse using the same are provided. The optical mouse includes a light emitting apparatus and a light guide module. The light guide module includes a light guide body and a reflection member and is used for receiving a light beam generated by the light emitting apparatus. The light guide body includes a beam splitter for splitting the light beam into a first light beam and a second light beam. The reflection member is substantially parallel to the beam splitter. After reflected by the reflection member, the second light beam is substantially parallel to the first light beam.

Abstract: In one embodiment, the invention is a light emitting diode module with improved light distribution uniformity. One embodiment of a signal head includes a light emitting diode and a reflector cup positioned to reflect light emitted by the light emitting diode, the reflector cup having a non-symmetrical curvature.

Abstract: A lampshade assembly includes a cup-shaped first part and a cup-shaped second part. The first part has a plurality of protrusions and the second part has a plurality of engaging holes so that the first part can be connected to the second part by extending the protrusions through the engaging holes. The first part is a semi-transparent member and the second part includes apertures defined therethrough so that light beams pass through the apertures to have a special lighting feature.

Abstract: A light projector accessory is used in combination with a recessed lighting fixture. The accessory includes one or more lenses, one or more gobo templates, a suitable attachment for the accessory to be attached to a recessed light fixture, and a focusing mechanism for the projected image from the gobo.

Abstract: An intermediary base for fairy light lampshade having rhombus faces to be installed on a lampstand of a conventional fairy light so that a lampshade having diamond-like rhombus faces can be additionally installed on the conventional fairy light, which is integrally made by molding plastics. The intermediary base has threads provided on the upper portion thereof for threadedly connecting with the lampshade, and has a lampstand hole provided on the center of the bottom thereof for inserting therein the lampstand. A resilient locking tongue is provided on the front side of the lampstand hole, and a locking-tongue button is provided on the locking tongue for controlling the locking and unlocking between the locking tongue and the lampstand.

Abstract: A heat radiating apparatus and an optical projection device having the same. The heat radiating apparatus includes a cooling fluid circulating unit to circulate a cooling fluid via a heating part, and a heat exchanging unit to promote a heat exchange of the cooling fluid, which is circulated by the cooling fluid circulating unit, to an external air. The optical projection device includes at least one light emitting diode (LED) illumination system using a light emitting diode (LED) as a light source, and a radiating apparatus to radiate a heat generated from the light emitting diode (LED), wherein the radiating apparatus includes a cooling fluid circulating unit to circulate a cooling fluid via the light emitting diode (LED), and a heat exchanging unit to promote a heat exchange of the cooling fluid, which is circulated by the cooling fluid circulating unit, to an external air.

Abstract: A linear light fixture includes a housing having a back and a pair of end plates. At least one end plate has a pair of mounting features. At least one of the mounting features is an elongate mounting feature with a longitudinal axis oriented generally tangent to a radius arc originating from a point which is offset from the back.

Abstract: The present invention is concerned with providing a support for temporary lighting for use with scaffolding systems. The support assembly comprises of two main components and the required fastening systems to affix lighting fixtures and mast light fixtures embodied in two configurations. The support consists of a thin walled pipe with a tube half clamp welded to one end and a thin walled tee welded to the opposite end. The clamp and tee are orientated to provide the support with a precise mounting position. A second thin walled pipe is positioned concentrically through the tee to create framework that has an angled appearance. The second pipe is maintained annular and concentric to the first pipe by means of two washer type collars welded above and below the tee that constrains both pipes to each other. A small space between the collar and tee provides the second pipe with unconstrained rotational movement. Lanyards incorporated in the support are fixed directly to the scaffold for job site safety concerns.

Abstract: A projecting device includes a lamp, a supporting structure and a fan. The supporting structure includes a supporting portion and a flange. The supporting portion having a first chamber covers the lamp. The supporting portion has a first sidewall and an opposite second sidewall, and an entry and an exit are respectively disposed thereon. The flange extends from the supporting portion and surrounds a second chamber. The first and second chambers are connected to each other to form a space inside the supporting structure. The fan is for generating airflow running through the entry and the exit. The supporting structure further has an aperture for communicating the space and outside of the supporting structure.

Abstract: A holding device for supporting electric or battery-operated window candles in an upright vertical position for viewing through a window. The holding device is comprised of a horizontally extending U-shaped support base, and a vertically extending clip for attaching to a window sash which connects the support base and candle to the window. The support base accommodates a design that holds the candle base in a stationary position while the opposite end abuts the clip and window sash. The clip is attached to the window sash where said sash meets the window sill and extends upwardly. The support base and candle are connected to the window by attaching the back wall of the base to the clip that abuts the window sash. The profile and design does not impede access to normal window functions leaving space between the candle and window handle for grasping.

Abstract: The invention relates to a method for controlling the automatic switching of the projector of a vehicle, in particular of a motor vehicle, from a first lighting mode to a second lighting mode, the method being implemented when the vehicle is driven at night and including the following steps: acquisition by a black and white sensor of images representing night-time road scenes, extraction from the images of the zones corresponding to light sources, and discrimination of the type of light sources in accordance with the distribution of the levels of light intensity in the zones.

Abstract: A vehicle interior illumination device comprises: a housing secured to a vehicle interior; a light source secured to an inside of the housing; an illumination lens disposed on a surface on the vehicle interior side of the housing, which transmits light from the light source for illuminating the vehicle interior; an electrode formed as a thin film on a surface on the light source side of the illuminating lens; and an illuminating power control unit which is connected to the electrode, and which switches the light source power on and off based on changes in capacitance between the electrode and a person, which are caused by the person making contact with a vehicle interior side surface of the illuminating lens.

Abstract: A method and a device for improving the visibility in a motor vehicle, at least one infrared sensor of the motor vehicle producing a sensor signal when a person is situated in the area illuminated by the light source, and the light source being controlled dependent on the sensor signal.

Abstract: An optical module for a motor vehicle headlight comprising a reflector having an optical axis and at least one focus, a light source placed in the vicinity of the focus to be reflected, and a transparent optical deviation element placed in front of part of the reflector and comprising a lens referred to as a “square lens”, the reflector being placed at the rear of the lens, the optical deviation element being able to provide an essentially horizontal spread of the light. The exit face of the “square lens” is tangent to a plane disposed obliquely with respect to the optical axis.

Abstract: A module for projecting a light beam comprises: a light source suitable for producing the light beam, a substantially flat support surface on which the source is arranged in a manner such as to emit the light beam from only one side of the surface, and a curved reflecting surface which extends on one side of the support surface and has its concavity facing towards the support surface, and which is capable of reflecting the light beam originating from the source in a principal direction substantially parallel to the support surface of the source, the reflecting surface being divided into a plurality of reflecting areas suitable for receiving respective portions of the light beam.

Abstract: The invention relates to an LED lighting device, in particular for motor vehicle headlamps, which comprises an LED element (3), a collimator (1) which emits the light emitted by the LED element (3) through a collimator opening (5) in a collimated manner, and a reflector (7) which has a semiparabolic concave reflective surface (8), an irradiated plane (9), a focal point (F) in the irradiated face (9) and an emission plane (10) which emits light in an emission direction of the reflector (7) and encloses an angle with the irradiated face (9). According to the invention, the collimator (1) is designed and/or arranged in such a way that the collimated light coming from the collimator (1), as seen in the emission direction, is irradiated into the irradiated face (9) either completely in front of or completely behind the focal point (F).

Abstract: A luminaire with improved lateral illuminance control comprising a light pipe with a longitudinal center is disclosed. A light-extraction means applied to a radial swath of the light pipe has a longitudinal portion having dimension along its length, centered about a slice on the light pipe longitudinally; said slice being orthogonal to the longitudinal center and located in a propagation plane through which light propagates to a virtual target area intersecting the propagation plane. The light pipe intervenes between the radial swath and the target area. A first average efficiency point of the light-extraction means corresponds to the minimum distance to the target area being at least approximately 20% less than a respective, second average efficiency point corresponding to a respective maximum distance to such area. The light-extraction means efficiency varies from the first average efficiency point to the second average efficiency point though more than one non-zero value.

Abstract: A light-pipe (50) includes a first portion (52) for collecting light from a light source (93), and a second portion (54) for transferring the light from the first portion and outputting the light. The second portion is disposed opposite to the first portion. The first portion includes a plurality of protrusions (521) disposed thereon. The light-pipe defines a keyhole (56) extending through the first portion and the second portion.

Abstract: A light-emitting diode backlight module of a display, including a mother circuit board, multiple light-emitting diode units arranged on the mother circuit board and a cover board formed with multiple receiving cavities on a first face. The receiving cavities are respectively aligned with the light-emitting diode units arranged on the mother circuit board, whereby the light-emitting diode units are accommodated in the receiving cavities. The first face of the cover board is attached to the mother circuit board to form a plane flat light-emitting diode backlight module. The cover board is a light guide board or a board body made from a heat-radiating material.

Abstract: A light source installation in back light unit to effectively shorten the area required for incorporation of wavelength from each of multiple LEDs is comprised of multiple LED units; each LED unit being comprised of multiple LEDs; multiple LED units being disposed on a locking member and each LED unit being disposed on a curved section formed by the locking member and further on the incident plane of the light guide plate in different directions; and light emitted from those multiple LED units being mixed to incorporate wave length from each LED into white light.

Abstract: A backlight module having a light emitting surface includes a housing, a driving circuit board of light emitting diodes (LED driving circuit board) and an optical film. The LED driving circuit board is disposed on the housing. The LED driving circuit board has a substrate, a plurality of LED dies and a driving circuit. The LED dies are directly disposed on the substrate. The LED dies are electrically connected to the driving circuit and driven by the driving circuit. The optical film is adjacent to the LED driving circuit board. A driving circuit board of light emitting diodes is also disclosed.

Abstract: A light guide plate (LGP) with auxiliary light guide structures is presented, wherein the top or bottom surface has a plurality of auxiliary light guide structures and light guide patterns, and wherein the dihedral angle between the tangent plane of the auxiliary light guide structure and the reference plane is less than 40 degrees. And the surfaces of the light guide pattern are rough surfaces. Together with the functions of the auxiliary light guide structures and the light guide patterns, the light is guided and emitted out of the LGP, and then the probability of the light emitted out of the LGP is increased after the light is scattered or reflected by the light guide patterns.

Abstract: A display device includes: a light source; a light guide plate including a first plate surface that emits light incident from the light source, a second plate surface other than the first plate surface, and at least two protruding portions formed on the second plate surface; a light source board including the light source arranged thereon, the light source board arranged on the second plate surface; and an optical sheet including a first sheet surface arranged to face the first plate surface, a second sheet surface arranged to face the light source board, and at least two protruding portions formed on the second sheet surface.

Abstract: A light guide plate locating construction includes a frame containing a mask and light tube with the light guide plate mounted at the open end of the mask; light permeating through one side of the light guide plate to project in the anticipated direction; locating holes being disposed at the top of the opening end of the mask; a retainer being inserted into the hole; the retainer including a locating portion and an interfering portion extending from the locating portion to the open end of the mask to hold against the edge of the light guide plate to protect the tube from being hit by the light guide plate.