Abstract: A light source device which includes a reflection sheet suspended by protrusions which penetrate plural places of an outer peripheral edge part of the reflection sheet, and a light guide plate disposed to face the reflection sheet is provided. And the light guide plate has notches formed at positions corresponding to the protrusions of an edge part corresponding to the outer peripheral edge part of the reflection sheet. The light guide plate is provided with being extended using the notches to extend an image display region. The reflection sheet near the notches of the light guide plate reflects the light irregularly reflected near the notches to a light emitting surface side of the light guide plate.

Abstract: Provided is a vehicle headlight for forming a high-beam additional light distribution pattern overlaid on a high-beam light distribution pattern. The vehicle headlight is capable of making a driver feel the sense of turning-on of the headlight when the high-beam additional light distribution pattern is additionally formed. The vehicle lighting fixture can be configured to further form a turning-on perceptible light distribution pattern for causing a driver to feel a sense of turning-on together with the high-beam additional light distribution pattern.

Abstract: An illuminated shovel assembly including: an elongated shaft, wherein the elongated shaft includes a length, a first proximal end, and a second distal end; a handle sub-assembly, wherein the handle sub-assembly is secured to or forms part of the first proximal end of the elongated shaft; a blade implement, wherein the blade implement is secured to or forms part of the second distal end of the elongated shaft; and a light sub-assembly, wherein the light sub-assembly includes an energy source, a switch, and one or more light sources.

Abstract: A lighting apparatus configured to be mounted on a vehicle has a housing that defines and forms at least a part of a lamp chamber. and a lamp unit disposed in the lamp chamber. The lamp unit has a light source, a heat sink to which the light source is fixed, a projection lens through which at least a part of light emitted from the light source passes, a first screw that extends through the heat sink and has a first manipulation portion, and a second screw that extends through the heat sink and has a second manipulation portion. A reference position of an optical axis of the projection lens is adjusted in a first direction by manipulating the first manipulation portion. The reference position of the optical axis is adjusted in a second direction intersecting the first direction by manipulating the second manipulation portion.

Abstract: A lawn mower light for providing illumination while mowing a lawn in low visibility conditions. The lawn mower light is configured to be removably mounted to a lawn mower deck and includes a base having a fastener, such as a magnet on an underside thereof configured to removably affix the lawn mower light to a lawn mower deck. The base also includes a centrally located shaft having a head portion pivotally affixed thereon. The head portion includes a lighting assembly configured to provide illumination. The lighting assembly includes a power source, an activation switch, and a plurality of light sources. One of the plurality of light sources is disposed on a center point on the head portion, wherein the remaining plurality of light sources are disposed radially therearound.

Abstract: A variable LED display screen includes a plurality of LED modules and a plurality of mounting assemblies arranged among adjacent LED modules and configured to connecting the LED modules together to form the display screen. The mounting assemblies are adjustable mounting assemblies, the mounting assemblies can finely adjust the relative gaps between adjacent LED modules connected with the mounting assemblies, and the adjustable mounting assemblies includes an X-axis adjustable mounting member, a Y-axis adjustable mounting member and a middle adjustable mounting member. The variable LED display screen of the present invention not only allows size adjustment of the LED display screen, but also allows shape adjustment of the LED display screen. In addition, multiple accessories can be connected to the display screen to extend functions of the display screen.

Abstract: A face-lit waveguide illumination system employing a planar slab or plate of an optically transmissive material. A light source is optically coupled a linear optical element which is attached to a face of the waveguide and is configured to inject light at an angle permitting for light propagation by means of a total internal reflection. Light is propagated through the waveguide towards a predetermined direction in response to optical transmission and total internal reflection. Light extraction features located along the prevailing path of light propagation extract light from the waveguide and emit such light towards a surface perpendicular. In one embodiment, the planar waveguide includes a window pane which provides light transport from one location, where light is injected through the face of the pane, to another location where light is extracted. Additional embodiments of the face-lit waveguide illumination system are also disclosed.

Abstract: A two-component luminaire for illuminating an architectural space includes a housing with a panel that faces the architectural space. A peripheral edge of the housing, having first and second edge segments, forms an output aperture that faces the architectural space. A plane bisecting the output aperture defines a boundary between an indirect lighting region and a direct lighting region. The luminaire includes a primary optical subsystem arranged within the housing so as to be hidden from the direct lighting region by the first panel section, and configured to generate and emit light, through the output aperture, solely into the indirect lighting region, and a secondary optical subsystem, disposed within the housing and configured to generate and emit light through the output aperture.

Abstract: A lighting device, or LED lamp is described with a base element for electrical contacting and mechanical mounting and an LED arrangement with at least one LED element. The LED arrangement is spaced from the base element along a longitudinal axis. In order to provide a lighting device and a lighting arrangement with a matched optical and thermal design, i.e. where both effective heat dissipation and an advantageous light intensity distribution are achieved, a lower heat dissipating structure is arranged between the base element and the LED arrangement. The lower heat dissipating structure includes a plurality of planar heat dissipation elements made out of a heat conducting material, shaped to have at a first longitudinal position along the longitudinal axis a first extension in cross-section, and at a second longitudinal position a second extension in cross-section.

Abstract: A display device includes a light source, and a light conversion member to convert a wavelength of light generated from the light source. The light conversion member includes a first region to convert first light generated from the light source into a second light, and a second region to convert the first light generated from the light source into a third light. The second light has a wavelength longer than that of the third light. The first region is closer to the light source than the second region.

Abstract: A lighting device including a glass tube; a solid state lighting assembly in said glass tube, said assembly including an electrically insulating optical film having at least one arcuate portion lining a part of the inner surface of the glass tube, wherein the glass tube includes a further part defining a light exit portion; and a plurality of solid state lighting elements on a carrier, said carrier contacting said optical film; a thermally conductive member in between at least a part of the solid state lighting assembly and the glass tube for thermally coupling the solid state lighting elements to the glass tube; and a transparent or translucent electrically insulating cover contacting the electrically insulating optical film and covering the solid state lighting elements. A luminaire including such a lighting device and a lighting device assembly method are also disclosed.

Abstract: Provided is a lighting device capable of implementing optical images having desired shapes through a pattern design, the lighting device including: a light source portion having at least one light source; a light guide portion having a larger thickness than a height of a light emitting surface of the light source and irradiated by an incident beam from a side; and a three-dimensional effect forming portion provided inside the light guide portion, on a first surface, or on a second surface opposite to the first surface, wherein the three-dimensional effect forming portion includes multiple patterns sequentially arranged and having respective inclined surfaces with inclined angles with respect to the first surface, wherein the multiple patterns guide light passing along the light guide portion into a first surface direction or a second surface direction by refraction and reflection from the inclined surfaces, thereby implementing line shaped beams of a first path.

Abstract: This invention relates to illumination systems, namely, to automotive headlamps and can be used as the principal head lighting of light and cargo vehicles. The automotive headlamp includes at least one LED and a system of lenses. The system of lenses includes both composite diverging and regulating lenses. The composite diverging lens is made up of two plano-concave lenses. The composite regulating lens is made up of the converging plano-convex lens and the refracting right-angled wedge placed in a series through the luminous flux. The composite regulating lens is placed between the LED and the composite diverging lens, which is suitable for controllable obscuration of the light flux. The invention enhances the reliability of the high/low-beam switch system.

Abstract: Embodiments of the invention are directed to wall recessed two-component luminaires. The two components can include a primary optical subsystem and a secondary optical subsystem. The primary optical subsystem can provide indirect lighting, illuminate an architectural space upward toward a ceiling, and/or have greater luminous flux than the secondary optical subsystem. The secondary optical subsystem can provide direct lighting, illuminate an architectural space horizontally and/or downward, provide lit appearance, provide direct view color and/or color gradients, provide direct view luminance and/or luminous gradients, and/or provide lighting for ambience.

Abstract: An LED lighting device (6) having an LED (8) emitting white light and optical filter means (12) suitable for filtering the white light emitted by the LED (8). The optical filter means comprise at least two optical filters (12) that have different transmission coefficients and that are positionable to filter the light emitted by the LED (8) individually. The lighting device (6) includes a power supply unit (10) suitable for delivering different power supply currents to the LED (8) depending on whether one or the other of the optical filters (12) is positioned to filter the light from the LED (8), so as to modify the color temperature of the light emitted by the LED (8).

Abstract: A quantum dot bar container of a quantum dot bar and a backlight unit including the same is provided. In one embodiment, the quantum dot bar container includes a first fixing part including a first guide groove extending in a first direction, a second fixing part facing the first fixing part and including a second guide groove corresponding to the first guide groove, and a plurality of first connection parts each connecting the first fixing part and the second fixing part. The quantum dot bar including quantum dots is slidably inserted between the first guide groove and the second guide groove.

Abstract: Implementations of the present invention relate to systems, methods, and apparatus for illuminating and/or providing an aesthetically pleasing lighted structure. In particular, implementations of the present invention provide a light fixture, which can incorporate resin elements surrounding a lighted core. Additionally, one or more implementations also include methods of manufacturing the lighted fixture to achieve a desirable aesthetic thereof. Furthermore, in one or more implementations, the light fixture can resemble or imitate a sun, which can appeal to a viewer thereof.

Abstract: In one aspect, an optical lens assembly (herein referred to also as an optic) is provided that comprises a plurality of lenses (or lens segments) adapted to receive light from a light source, each of said lenses (or lens segments) having an input surface and an output surface and a lateral surface extending between the input and output surfaces. The lenses are arranged relative to one another and positioned relative to the light source such that each of the lenses receives at its input surface a different portion of light emitted by the source, e.g., each lens receives at its input surface light emitted by the source into an angular subtense (solid angle) different than an angular subtense associated with another lens. Each lens (or lens segment) guides at least a portion of the received light to its output surface via reflection, e.g., via total internal reflection (TIR).

Abstract: An optical unit includes a light source having both a first light emitting element for emitting light having a first color and a second light emitting element for emitting light having a second color that is different from the first color; and a rotating reflector configured to be rotated in one direction around a rotational shaft, while reflecting the light having the first color and the light having the second color, which have been emitted from the light source. In the rotating reflector, a reflecting surface is provided such that a predetermined light distribution pattern is formed with the light having the first color and the light having the second color, which have been reflected by the rotation of the rotating reflector, being superimposed one on another.

Abstract: Sunny Bright Solar Lighting is an easily mounted roof solar sunpipe that magnifies and concentrates the incoming sun light with an internally mounted and focused nonimaging Fresnel lens paired with a Kohler concentrator lens in order to magnify and concentrate the focused intense sun light onto a fiber optic illumination systems glass plate, used for solid core fiber optic lighting cables, and a bundle of seven 14 mm solid core endglow plastic fiber optic cables that carries only light waves in a visible light spectrum to seven different rooms that are up to thirty three feet away from the roof mounted sunny bright solar tube.