Abstract: A light for attachment to mining equipment. The light comprises a base, a plurality of PC boards coupled to the base, each of the plurality of PC boards including spaced apart LEDs, a heat sink in thermodynamic communication with the plurality of PC boards, a clear potting material encasing the plurality of PC boards, and a clear cover sealingly attached to the base and overlying the plurality of PC boards, the heat sink, and the potting material.

Abstract: A lighting system including a light guide plate having a groove, a light source module arranged in the groove, and a projection from a side of the groove in the light guide plate toward the light source module for guiding a light from the light source module to the light guide plate.

Abstract: A lava lamp display device comprising: a frame having a permeable vision window at a front surface thereof, and a lamp base and a projection light at a bottom of inner side thereof; a film-coated glass mounted on the vision window; a support bracket having at least one positioning hole thereon; a transparent bottle arranged in the positioning holes; and two reflection mirrors having a center serving as a reference to define the two symmetrical reflection mirrors, and both sides thereof inclined forward to form an angle ? being not parallel with the film-coated glass with 180° angle. After the filler of the transparent bottle is reflected repeatedly by the two reflection mirrors, the vision window shows shapes in an inward serial arrangement in the middle and unlimited extension on both sides, having effects of an illumination lamp device, an art decoration, and special visual in one unit.

Abstract: A light projection unit is provided that can reduce the production of a portion where the light density is excessively increased on a fluorescent member. This light projection unit includes: a light collection member that includes a light entrance surface and a light emission surface which has an area smaller than that of the light entrance surface; a fluorescent member that includes an application surface to which the laser light emitted from the light collection member is applied and that mainly emits fluorescent light from the application surface; and a light projection member that projects the fluorescent light. The light emission surface of the light collection member is arranged a predetermined distance from the application surface of the fluorescent member.

Abstract: In one embodiment, a device includes a light transmitting film defining a body and having opposing faces with a thickness between the opposing faces not greater than 0.5 millimeters. A first region is defined within the body representing a region of one or more of a pattern, an indicia, a graphic, and an image that is visible by light extraction when illuminated by light propagating within the film in a waveguide condition. The first region includes a plurality of light extraction features that redirect a portion of light traveling within the film in a waveguide condition that mixes within the legs and the body out of one or more of the opposing faces of the film in the first region. A method of producing a device is also disclosed.

Abstract: Embodiments of the present invention provide apparatuses and systems for providing illumination for projectors. One or more beam combiners are used to combine multiple light beams to provide a combined light beam toward to a pupil of an imaging device in a projector. Solid state light sources, such as diode lasers and light-emitting diodes (LEDs), may be used as light sources at relatively low cost and low power, and with long lifetime. In one embodiment, an optical beam combiner comprises a first reflective surface, a second reflective surface, and a transparent region disposed between the first reflector surface and the second reflective surface. In another embodiment, an optical device comprising an array of optical beam combiners is provided. In a further embodiment, light sources comprising a plurality of light-emitting devices mounted on curved surfaces are utilized in conjunction with an optical beam combiner to provide illumination for a projector.

Abstract: A lighting system (10) comprising a primary light engine (20); a secondary light engine (22); and a projection apparatus (14, 14a-b) comprising a reflector (28) configured to reflect electromagnetic radiation emitted from the primary light engine (20); a projector lens (28) configured to project at least a portion of the reflected electromagnetic radiation from the reflector (28); and a shutter (24, 24a-c) disposed between the secondary light engine (22) and the reflector (28). The shutter (24, 24a-c) is configured to selectively obscure a portion of the projector lens (28) from the reflected electromagnetic radiation and is further configured to selectively emit at least a portion of electromagnetic radiation from the secondary light engine (22) through at least a portion of the projector lens (28).

Abstract: A display device for lighting objects comprising: a frame having a vision window at a front side thereof, a film-coated glass mounted on the vision window, a support bracket arranged in the frame and having at least one positioning hole thereon, a lighting object having at least a part thereof arranged in the positioning hole and two pieces of refection mirrors having a center serving as a reference to define the first and second symmetrical reflection mirrors and both sides thereof inclined forward to form an angle between 145° and 175°. After a lighting object is reflected repeatedly by the two or more than two reflection mirrors, the vision window shows shapes in an inward serial arrangement from the middle to unlimited extension at both sides, providing effects of an illumination lamp device, an art decoration, and special visions in one unit.

Abstract: An optical sheet includes a sheet-like body portion, and unit prisms arranged on one surface of the body portion. Each unit prism extends linearly in a direction intersecting the arrangement direction. Each unit prism, when viewed in a direction parallel to the arrangement direction of the unit prisms, has an uneven polygonal-line-shaped contour and, with reference to raised portions defined by the polygonal-line-shaped contour of each unit prism, the distance between a top of each raised portion, a farthest point from the body portion in the raised portion, and the body portion in the normal direction of the body portion is not constant. The optical sheet can prevent significant problems when it is superimposed on another member.

Abstract: The invention provides a carpet back lighting system comprising a carpet back lighting unit having a lighting unit front face and a unit back face, wherein the lighting unit front face comprises a light source, arranged to generate light, and accompanying optics. The carpet back lighting system is suitable as back lighting at a carpet unit back side of a light transmissive carpet unit selected from the group consisting a carpet and a carpet tile. Further, the optics are suitable to be arranged to guide light into the light transmissive carpet unit, and wherein the optics are suitable to be arranged to penetrate into at least part of the light transmissive carpet unit.

Abstract: An illuminating shoelace device includes an illuminating unit and a light guide fiber. The casing of the illuminating unit includes a first through hole and a first opening, and the illuminating unit includes the first light emitting element therein for emitting light to the first opening. One end of the light guide fiber passes through the first through hole and then is plugged in the first opening to receive the light emitted by the light emitting element. The first through hole and the fastening structure in the first opening can hold the light guide fiber to prevent it from falling out from the opening easily.

Abstract: A light guide includes a substrate having opposing first and second major surfaces and an input edge coupler disposed along an edge of the substrate. The ratio of a light guide input edge thickness to a light guide thickness is greater than 2:1.

Abstract: A collapsible snoot assembly for motion picture lighting fixture having a cylindrical body of a fabric material configured to expand and collapse along a longitudinal axis between expanded and collapsed positions having a biasing means for biasing the cylindrical body into an expanded position and a lighting fixture attachment means for securing the cylindrical body to a lighting fixture such that light projected from the lighting fixture is directed through the collapsible snoot assembly.

Abstract: The lighting device comprises a case comprising: a bottom plate; a first wall extending from the bottom plate; a second wall extending from the bottom plate and facing to the first wall; a first top plate extending perpendicular to the first wall; and a second top plate extending perpendicular to the second wall, a light emitter disposed on the bottom plate of the case; and a diffuser plate spaced apart from the light emitter and disposed between the first wall and the second wall, wherein the first wall and the second wall comprise a coupling recess, and wherein the diffuser plate is coupled to the coupling recess.

Abstract: The present invention provides an LED light-source structure and a backlight module comprising an LED light-source, wherein the LED light-source structure further comprises a light reflecting device, and the light reflecting device is disposed corresponding to a light output surface of the LED light-source, and the light reflecting device has at least one light output opening, and the periphery of the light output opening is a plate-shaped frame for reflecting the light of the LED light-source, and a vertical size of the light output opening is less than a height of the light output surface of the LED light-source. With use of the present invention, all or most of the light emitted from the light output surface of the LED light-source can be inputted into a side input surface of a light guide plate (LGP), thus reducing a light scattering loss and improving a light input efficiency of the LED.

Abstract: A vehicle glazing comprising a pane of glazing material having an exposed surface and a light emitting diode device a) other than an auxiliary stop lamp adhesively attached to the exposed surface of the pane of glazing material, or b) in the form of an auxiliary stop lamp adhesively attached to the exposed surface of the pane of glazing material, the lamp comprising a substrate having a functional surface on which a plurality of light emitting diodes is provided, and which is provided with a layer of transparent encapsulant to cover the light emitting diodes is disclosed. A process for the production of such a vehicle glazing comprising applying adhesive to a surface of the vehicle glazing, positioning the light emitting diode device with respect to the pane of glazing material and activating the adhesive is also disclosed.

Abstract: An illumination optical device includes a light source, a light pipe guiding illumination light from the light source, a diffuser arranged on an emitting surface side of the light pipe. A width of the emitting surface of the light pipe in the horizontal direction is set greater than a width of an illuminated object, and a width of the emitting surface of the light pipe in the vertical direction is set smaller than a width of the illuminated object.

Abstract: A lighting system has one or more light guides capable of guiding light, each comprising a core and two optically smooth faces. A cavity adjacent to two of the optically smooth faces has an opening and a reflective-transmissive surface opposite the opening. A cover having a light source is proximate to and occludes the opening. A major portion of any light emitted from the light source is reflected by the reflective-transmissive surface of the cavity and is injected into the light guides, and a minor portion of any light emitted by the light source is transmitted through the reflective-transmissive surfaces of the cavity and emitted from the lighting system. A light injection coupler is also disclosed that has an optically transmissive housing and suitable for use to couple ends of at least one light guide thereby making a lighting system.

Abstract: A surgical headlight that uses multiple LEDs to produce superior illumination. Heat sinks are used to help dissipate heat produced from the LEDs. The light from the LEDs is directed, using collimizers, into fiber optic cables. The fiber light from the optic cables, using an LED combiner, is then combined and focused on a working area. The LED combiner may include an adjustable lens so that the device's illumination may be focused at multiple focal distances and with varied areas of illumination. The LEDs may be powered by a battery and may comprise one or more red LEDs, one or more blue LEDs, and one or more green LEDs.

Abstract: A display device for displaying two graphics is provided. The display device has first and a second light transmitting substrates, each having a front surface and a rear surface, the first substrate including at least one etched region corresponding to a first graphic, and the second substrate including at least one etched region corresponding to an inverse or negative of the first graphic. The display device also has first and second light sources arranged to emit light into the first and second substrates. The first substrate conveys the light to the etched region(s) of the first substrate which then scatters light towards the user. The second light source is behind the second substrate and emits light through both substrates towards the user. When the first light source is illuminated only the first graphic is displayed, and when the second light source is illuminated only the second graphic is displayed.