Abstract: A wide beam angle (diffuse) luminaire with an efficient multi-source radiative emitter array. Embodiments of the luminaire utilize one or more LEDs disposed around a perimeter of a protective casing. The LEDs are angled to emit into an internal cavity defined by the inner surface of the casing. The placement of the LEDs around the perimeter of the device reduces self-blocking and facilitates heat transfer from the LEDs through the casing or another heat sink and into the ambient. Light impinges on the inner surface and is redirected as useful emission. A diffuse reflective coating may be deposited on the inner surface to mix the light before it is emitted.

Abstract: A triangle prism (PR1) that refracts light coming from a first light-reception face (RS1) is formed on a first outgoing face (IS1) of a first prism sheet (PS1). Furthermore, one of the side surfaces (SS1a, SS2a) of that triangle prism (PR1) will refract light coming from the first light-reception face (RS1), and the other side surface will refract light coming from that side surface.

Abstract: A lens element comprising a base, a plurality of lens sections and a top lens section is disclosed. The plurality of lens sections are formed above a planar parallel to the base with each of the lens sections being positioned rotationally symmetric about an optical axis. The lens sections define a dome shape with every adjoining lens sections being conjugated with each other. A top lens section is formed at the center above the other lens sections and conjugated therewith. All of the lens sections are conjugated with each of its neighboring lens sections. Each of the lens sections has a optical property to direct light towards a target point. The target point may be positioned along the optical axis.

Abstract: A bulb adapted to fit over and around a light-emitting diode emitting a light of a first hue in a predetermined radiation pattern defines an inner cavity for housing the light-emitting diode with a cross-sectional geometry based on the predetermined radiation pattern of the light-emitting diode. The bulb is composed of a light-transmitting material and a light color-converting material, with the light color-converting material converting the light of the first hue into light of a desired hue, which is then viewed over a light-emitting surface of the bulb.

Abstract: A light emitting device package is disclosed. The light emitting device package includes a body having a cavity, a light source mounted in the cavity, and at least one optical sheet located on the body to cover the cavity. The optical sheet includes a first layer and a second layer formed on the first layer, wherein the second layer includes a plurality of linear prism parts. At least one of the first layer and the second layer contains a light diffusive member. The light emitting device package has enhanced light emission efficiency and light distribution uniformity.

Abstract: An LED module includes an LED and a lens covering the LED. The LED has an optical axis. The lens has an incident face for incidence of light of the LED into the lens and an opposite emitting face for refracting the light of the LED out of the lens. The emitting face has two elongated, ellipsoid lateral surfaces and a middle surface located between and connecting with the two ellipsoid lateral surfaces. The incident face has a sidewall and a ceiling connecting to a top of the sidewall. The middle surface of the emitting face and the ceiling of the incident face are corresponding to each other and inclined laterally relative to the optical axis of the LED.

Abstract: Light boxes for uniformly illuminating panels include a frame that supports one or more translucent panels. The light boxes further include a light source positioned within the light box. Example light sources can include fluorescent bulbs, incandescent lights, and/or light-emitting-diodes. In at least one implementation, a manufacturer positions a relatively limited number of light sources aimed and/or positioned in a particular way to uniformly distribute light throughout the light box and evenly across the translucent panels such that there are no shadows, hot spots or other non-uniform light patterns on the translucent panels.

Abstract: An apparatus for generating light may be comprised of a light source with a lens interposed in a light path from the light source. The lens may be comprised of two or more sections wherein at least one section may be comprised of smart glass. Electrical circuitry may be configured to control a transparency state of the smart glass lens sections. Another embodiment may have two reflectors wherein one of the reflectors may be interposed between the light source and the other reflector and may be comprised of smart glass with a transparent state and a reflective state so that two different reflection patterns may be created. A method for illumination wherein at least one area's illumination is controlled by a section of smart glass is also disclosed.

Abstract: The invention proposes a gobo projector (10) comprising a light source (100), a gobo holder (400) having a gobo open aperture (401) and a projection lens (500), wherein the light source is a high-pressure metal halide discharge lamp having an arc length, wherein the gobo projector has an overall efficacy of at least 25 lm/W. Advantageously, such gobo projector can be relatively small, while still having a relatively high efficacy. Further, such gobo projector may have a relatively high CRI, relatively high CCT, and may have a relatively small gobo open aperture.

Abstract: A light guiding assembly is provided. The light guiding assembly includes a first light guiding plate, a second light guiding plate, and a shielding plate. The second light guiding plate is located adjacent to the first light guiding plate. The shielding plate is positioned between the first light guiding plate and the second light guiding plate, to prevent light guided by the first light guiding plate and light guided by the second light guiding plate from mixing.

Abstract: A light emitting device includes: a light emitting chip arranged on a substrate; and a resin lens formed to cover the light emitting chip, wherein the center of the light emitting chip and the center of the resin lens are offset so that the centers do not match each other.

Abstract: A fixture for providing omnidirectional continuous lighting comprises a light source (10). an optical system (20) adapted to concentrate, direct and shape an incident into an output slit beam, a motor (30) coupled to a revolvable part (25) of the optical system (20), thereby enabling rotation of the output slit beam, around a rotational axis (y), with such an angular velocity (?) and in such a manner that the provided lighting appears continuous to a spectator.

Abstract: A textile includes a plurality of opaque filaments, a plurality of transparent and light-guiding filaments and a lighting module. The opaque filaments are spaced from each other in a first direction, and the transparent and light-guiding filaments are spaced from each other in a second direction. The opaque filaments and the transparent and light-guiding filaments are woven as a textile. The transparent and light-guiding filaments selectively have a light-dispersion dot formed by a laser-engraving method and the light-dispersion dots are constructed as a predetermined pattern portion. The lighting module is disposed on ends of the transparent and light-guiding filaments. The light-dispersion dots have uniform structure so as to form a uniform lighted area.

Abstract: The invention relates to automatically commissioning of devices of a networked control system, particularly to automatically commissioning (auto-commissioning) of light sources of a lighting system, where a control of light sources on an individual and local basis is required. A basic idea of the invention is to route commissioning messages through a grid, particularly an approximately rectangular grid of devices in that each device is able to receive commissioning messages from and to transmit commissioning messages to directly neighbored devices in the grid via light.

Abstract: A light emitting apparatus emits light emitted from a light emitting element (200) mounted on a substrate (300) via a luminous flux control member (100). The luminous flux control member (100) has a bottom surface section (101) opposite to the substrate (300), an input surface section (106) for causing the light emitted from a light emitting element (200) to enter inside the input surface section (106), a light control output surface section (102) for refracting the light having entered from the input surface section (106) and outputting the light outside, and two or more leg sections (103) are formed to project outward from the bottom surface section (101) inside a circle with a circumference on which a position where the amount of light reflected by the light control output surface section (102) and yet reaching the bottom surface section (101) peaks is located, and attached to the substrate (300).

Abstract: A luminaire includes a planar light guide having a substrate with a back surface, a light emitting surface, and an edge therebetween with a light source disposed at the edge for emitting light thereinto. A geometric structure on the light guide provides for directing light entering the light guide edge outwardly from the light-emitting surface. The luminaire may be utilized for retrofitting of existing canned lighting or in flush mount applications.

Abstract: An electronic circuit contains a circuit board with conducting tracks to which one or more electronic components with conducting contacts are positioned overlying portions of the conducting tracks and each such electronic component is held in place by a clamp that covers and is contact with the top surface of the electronic components so as to hold their conducting contacts in electrical contact with the conducting tracks of the circuit board. The clamp can include a resilient layer held between the top surface of electronic components and a rigid clamping sheet.

Abstract: A head-up display including a hybrid illumination system is provided. A light mixing unit provides a substantially homogenous light source to a reflective display unit. A concentrating optics unit collects ambient light and directs it towards the light mixing unit. At the same time, an electrically-powered light source emits light which is directed towards the light mixing unit. One or more optical elements direct the ambient light and the light source light into the light mixing unit for homogenization. A condensing unit receives the homogenized light mixture and outputs the condensed light to a polarizing beam splitter. A reflective display modulates the light from the polarizing beam splitter with information from a source of electrical information signals back towards the polarizing beam splitter. A projection unit projects the modulated light to create an image on a windshield.

Abstract: A light bulb includes a bulb body, two electrodes, and a light-transmissible conductive film. The two electrodes are connected to the bulb body. The light-transmissible conductive film covers the bulb body. A lighting fixture includes a lampshade, a cover, and a light-transmissible conductive film. The lampshade has an opening. The cover covers the opening. The light-transmissible conductive film is configured to be attached to the lampshade and the cover.

Abstract: A light source device includes a light source, a coupling lens configured to convert light emitted from the light source into a beam of light, a holding member configured to hold the coupling lens, and a frame to which the holding member is fixed. The holding member includes a tubular main body portion for holding the coupling lens, and a pair of first protrusions sticking out from an outer peripheral surface of the main body portion. The pair of first protrusions have fixing surfaces lying in the same plane and fixed to the frame.

Abstract: There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet (10) includes: a sheet-like base layer (32); a light control layer (35) having unit shaped elements (38) arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer (40) disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion (42) and particles (45) dispersed in the binder resin portion (42). The particles (45) in the binder resin portion (42) includes a single particle (46) and an aggregate (47) formed of aggregated single particles (46).

Abstract: An illumination structure for generating specific directional light sources includes a substrate unit, a light-emitting unit and a lens unit. The substrate unit has at least one substrate body. The light-emitting unit has a plurality of light-emitting elements disposed on and electrically connected to the substrate body. The lens unit has a plurality of lens modules sequentially abutted against each other and disposed on the substrate body. Each lens module has a lens frame disposed on the substrate body and a plurality of protruding lens elements separated from each other by a predetermined distance and integrally formed on the lens frame, the protruding lens elements respectively correspond to the light-emitting elements, and each protruding lens element has at least one concave portion formed on a top side thereof and above each light-emitting element and at least two protrusion portions respectively integrally connected to two opposite sides of the concave portion.

Abstract: A backlight assembly and a display apparatus having the backlight assembly are disclosed. A diffusion plate is provided above a plurality of lamps. Diffusion patterns that cause contrast inversion and diffusion patterns that do not cause contrast inversion are arranged on a surface of a diffusion plate, in an alternating manner along a longitudinal direction of the lamps. Thus, a brightness difference between a first area in which the lamps are positioned and a second area between two adjacent lamps is reduced, thereby improving a brightness uniformity of light from the backlight assembly.

Abstract: A light-emitting module includes at least one light-emitting element provided on a mount surface of a substratum. A translucent member is provided so as to face the mount surface of the substratum. The translucent member is separated from the light-emitting element and contains a phosphor material that converts a wavelength of light emitted by the light-emitting element. A frame having heat conducting properties is interposed between the substratum and the translucent member. The frame surrounds the light-emitting element. The frame includes an opening that leads light emitted by the light-emitting element to the translucent member, and a heat conductor thermally connected to the translucent member. The heat conductor includes a heat radiator exposed outside of the translucent member.

Abstract: A cone-shaped lens is integrally formed with a lateral member using a common material. The cone-shaped lens has a light-output surface having a corresponding area while the aforementioned member has an exterior same-side surface area that extends beyond the light-output surface by an amount that is at least four times the corresponding area of the cone-shaped lens's light-output surface.

Abstract: A solid state lighting system includes a solid state lighting device emitting light, and an optical device positioned adjacent the solid state lighting device, which receives the light emitted from the solid state lighting device. A clip holds the optical device relative to the solid state lighting device. The clip includes a base configured to be mounted to a substrate proximate to the solid state lighting device. The clip also includes a latch extending from the base that has a latching surface engaging the optical device to hold the optical device in position with respect to the solid state lighting device.

Abstract: An illumination system for increasing the brightness of a light source comprises an optical recycling device coupled to the light source, preferably light emitting diode (LED), for spatially and/or angularly recycling light. The optical recycling device spatially recycles a portion of rays of light emitted by the LED back to the light source using a reflector or mirror and/or angularly recycles high angle rays of light and transmits small angle rays of light, thereby increasing the brightness of the light source's output.

Abstract: An optical element for a light source and a lighting system using the optical element are disclosed. In example embodiments, the optical element includes an entry surface and an exit surface opposite the entry surface. The entry surface includes at least three subsurfaces, wherein each subsurface is disposed to receive light rays leaving light source. Each of the three subsurfaces is geometrically shaped and positioned to receive light rays entering the optical element through that subsurface in order to direct the light passing through the optical element. In some embodiments the optical element includes a concentrator lens disposed in the exit surface. The optical element can also include a mixing treatment. A lighting system can include multiple optical elements, each paired with a light source such as an LED or LED package.

Abstract: Provided are a lens and a light emitting apparatus comprising the lens. The light emitting apparatus comprises a substrate, a light emitting device package on the substrate, and a lens supported by the substrate, the lens being disposed on the light emitting device package. The lens comprises a lens body comprising a first recessed part at a central portion of a top surface thereof and a second recessed part at a central portion of a bottom surface thereof and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced from the substrate.

Abstract: An adjustable lighting device having a main body, a light generation device inserted into a receptacle, a movable lens, a base electrically connected to the light generation device, and an adjustor cover rotatably mounted to and covering the outside of the main body so that rotation of the adjustor cover causes the lens to extend/retract within the receptacle so that the extension/retraction of the lens can be controlled by the rotation of the adjustor cover for realizing focus adjustment.

Abstract: An optical unit comprises a first optical path in which a spatial light modulator with a plurality of optical elements arranged two-dimensionally and controlled individually can be arranged; a second optical path including a mechanism for insertion of an angle distribution providing element including a predetermined fixed pattern on a surface thereof; and a third optical path being an optical path of light having traveled through both of the first optical path and the second optical path. When the angle distribution providing element is inserted in the second optical path, an angle distribution is provided to light exited based on light incident to the angle distribution providing element.

Abstract: A lamp that produces an infinitely variable range of time, space, and color patterns. The lamp includes a plurality of colored light sources that produce light in at least two different visual spectrums, a single modulation device that generates a modulation scheme for each of the plurality of light sources, a display screen, and a mask that masks off at least a portion of light illuminating the display screen. The generated modulation scheme is produced at a predefined intensity level. A controller selectively alters delivery of the modulation scheme to each of the plurality of light sources. A first switch allows a user to select one of a plurality of modulation schemes. A second switch allows a user to alter the predefined intensity level. A third switch allows a user to select one of a plurality of modulation rates.

Abstract: A light-guiding module includes a casing, a light-guiding body, a light source, and a light-abating element. The casing has an accommodating space and a light-emerging surface. The light-guiding body is received in the accommodating space of the casing and has a light-entering surface and a light-emerging surface. The light-emerging surface is located to correspond to the light-emerging surface of the casing. The light source is located to correspond to the light-entering surface of the light-guiding body. The light-abating element is located to correspond to the light-emerging surface of the light-guiding body, and the light-abating element may be located close to the light source. The light-abating element may be provided at a position which the light-guiding body is close to the light source, thereby making the light emerging from the light-guiding body to become more uniform and thus overcoming the problem that the brightness of light is uneven.

Abstract: A substantially hemispherical lens surrounding an LED die is described that creates a sparkle as an observer views the lens from different angles. The lens is formed of an interconnected array of 100-10,000 or more lenslets. Each lenslet focuses an image of the LED die at an output of the lenslet such that the LED die image area at the output is less than 1/9 the area of the LED die to create a substantially point source image of the LED die at an outer surface of the lens. When the LED die is energized, the shape of each lenslet causes point source images of the LED die to be perceived by an observer at various viewing angles, such that the emitted LED light appears to sparkle and speckle as the observer moves relative to the lens.

Abstract: A light comprising an LED whose light intensity decreases as the angle from an axis of the LED increases, and a convex lens associated with the LED such that a beam width of the LED is concentrated by the lens into a narrower beam width, wherein the convex lens includes both a convex surface and a concave surface, and the concave surface is curved more sharply towards its edge than towards its center such that light is more evenly spread across the beam width of the lens.

Abstract: A computing device is disclosed. The computing device includes a housing having an illuminable portion. The computing device also includes a light device disposed inside the housing. The light device is configured to illuminate the illuminable portion.

Abstract: A light for use with a floating object, like a boat, has a body, the body having a flange and a light bulb extending therefrom, a lens, and a switch for activating and deactivating the bulb, the switch being disposed between the lens and the body. A mounting bracket attaches to the body and has an arm for cooperating with the flange such that the body may be disposed at varying angles relative to the arm, a first clamp attaching to the arm and a second clamp attaching to the first clamp such that the mounting bracket may be clamped to an item on the floating object.

Abstract: An optical head includes a light-emitting substrate that emits light, a lens that focuses the light emitted from the light-emitting substrate, a holder that hold the light-emitting substrate and the lens, and a drive circuit that includes an electric element fixed to at least one of the lens and the holder and drives the light-emitting substrate.

Abstract: A lighting fixture can have a reduced depth size. The lighting device can include an LED light source, and a lens body disposed in front of the LED light source to be opposed to the LED light source. The lens body can includes a front light exiting surface and a rear surface that includes a light incident surface on which light emitted from the LED light source can be incident. The light incident surface can be a cylindrically recessed light incident surface that is formed by moving a concave semicircle section with respect to the LED light source in one direction to define a recessed space, and the LED light source is disposed within the recessed space defined by the light incident surface so that the light emitted from the LED light source is incident on the light incident surface.

Abstract: A light projector system, including a light projector device having a light source for producing a light beam, a light mask, an objective focal lens disposed within the path of the light beam, and a gate area. The light projector system also includes a diffusion element disposed within or forward of the gate area along the path of the light beam of the projector device. The diffusion element eliminates visible chromatic aberration from an illumination zone produced by the light projector system.

Abstract: A document camera and its light box are provided in the disclosure. The light box includes a base, a light guiding plate embedded in the base, and a light source device movably disposed on the base. The light guiding plate has a light input face and a light output face which are both light transmissive from the base. When the light source device is moved to face the light input face, the light source device provides lights outwards the light guiding plate via the light input face, otherwise, when the light source device is moved away from the light input face, the light source device provides light to the light output face down wards.

Abstract: A lighting apparatus for a gaming machine cabinet comprising: a spot light source which emits light relative to a central emission axis; and a translucent diffuser spaced from the spot light source, the diffuser comprising an inner portion located so as to intercept light emitted along the emission axis and an outer portion spaced from the emission axis, the inner and outer portions arranged such that the diffuser prevents transmission of more light in the region of the inner portion than in the region of the outer portion.

Abstract: An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved.

Abstract: An embodiment of a solid optical sky-sun diffuser, which comprises a transparent solid matrix embedding a dispersion of transparent nanoparticles having an average size d in the range 10 nm?d?240 nm; wherein: the ratio between the blue and red scattering optical densities ??Log [T(450 nm)]/Log [T(630 nm)] of said diffuser falls in the range 5???2.5, where T(?) is the Monochromatic Normalized Collinear Transmittance; in at least one propagation direction, said Monochromatic Normalized Collinear Transmittance is T(450 nm)?0.4; in at least one propagation direction said Monochromatic Normalized Collinear Transmittance is T(450 nm)?0.9, said propagation direction being the same or different from that at which said Monochromatic Normalized Collinear Transmittance is T(450 mm)?0.4.

Abstract: A lens member of obtaining light-collecting properties even if using a light source with a large light-emitting surface area has a first lens portion refracting light to exit outward in radial directions perpendicular to a central axis of the lens member and a second lens portion totally internally reflecting the light that exited through the first lens portion. The first lens portion has a light incident surface disposed to face a light source and a conical light exit surface centered at the central axis of the lens member and slanted so that the distance between the conical surface and the light incident surface increases as the distance from the central axis increases outward in the radial directions perpendicular to the central axis. The second lens portion has an inner circumferential surface receiving light from the first lens portion and an outer circumferential surface positioned outward of the inner circumferential surface in the radial directions perpendicular to the central axis.

Abstract: A tower includes a base configured to sit upon a surface. A light source is coupled to the base and is positioned a first horizontal distance from a center of the base. The light source is configured to produce light therefrom when energized. The tower includes a cylindrical outer body that is coupled to and positioned a second distance from the center of the base, wherein the second distance is greater than the first distance. The outer body is oriented to extend vertically from the surface and is configured to allow light from the light source to pass therethrough. A plurality of leaves are coupled to an outer surface of the outer body and are configured to hang therefrom. The leaves are configured to freely move with respect to the outer body when air flow is applied thereto, wherein light from the light source is viewable through the outer body when the leaves move.

Abstract: Disclosed are a light emitting device, a light emitting device package, and a lighting system. The light emitting device includes an electrode layer, a current density adjusting pattern on the electrode layer, and a light emitting structure on the electrode layer and the current density adjusting pattern. A column pattern or a hole pattern serving as a structure of a resonant cavity is formed at an upper portion of the light emitting structure.

Abstract: A lighting device includes a case body including a receiving cavity and at least a portion including at least one first hole, a light emitting module in the receiving cavity, the light emitting module including a plurality of light emitting devices, a lens on the light emitting module, and a case cover including an opening through which the lens is exposed, the case cover being disposed on the case body. A heat sink is between the light emitting module and the case body to transfer heat from the light emitting module to the case where the case body acts as a conduit to transfer heat from the light emitting module to the portion of the case body including at least one first hole and the case cover has at least a portion including at least one second hole and the first hole of the case body corresponds with the second hole of the case cover.

Abstract: A light source device includes a light source, a coupling lens, a first opening plate, a second opening plate, a photoreceptor, a package member, a cover glass, a half mirror, and a light source control device. In relation to a main-scanning corresponding direction and a sub-scanning corresponding direction, divergence angles ?m and ?s of a light beam output from the light source, emission angles ?m1 and ?s1 of a light beam passing through an opening portion A, and emission angles ?m2 and ?s2 of a light beam passing through an opening portion B satisfy relationships |(?m1-?m2)/?m|?0.085 and |(?s1-?s2)/?s|?0.085.

Abstract: Disclosed is a lens including a light emitting surface. The light emitting surface of the lens according to the embodiment of the present invention has a coordinate obtained by subtracting a Bezier coordinate corresponding to an aspheric coordinate from the aspheric coordinate.