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: A semiconductor incandescent lamp retrofit lamp may include: at least one semiconductor light source, at least one light scattering body, and at least one optical waveguide, into which light of the at least one semiconductor light source can be coupled, wherein the at least one light scattering body is configured and arranged for the purpose of diffusely emitting light supplied thereto from the at least one semiconductor light source by way of the at least one optical waveguide.

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: Disclosed is a lighting device including a body having an inside wall to provide a cavity, the inside wall being provided with a first screw, a light source disposed in the cavity, a power supply disposed at one side of the body to supply power to the light source, and a lens disposed on the light source, the lens being provided with a second screw coupled to the first screw. Disclosed is also a lighting device including a body having an inside wall to provide a cavity, the inside wall being provided with a first screw, a light source disposed in the cavity, a power supply disposed in the body to supply power to the light source, and a lens disposed on the light source, the lens being provided with a second screw coupled to the first screw so that the lens is spaced from the light source.

Abstract: Disclosed is a lighting device including a body provided with a cavity in an upper part, a power supply disposed in the body to supply power, a case disposed in the cavity, the case including an electrode unit detachably connected to the power supply, and a light source disposed in the case and electrically connected to the electrode unit. Disclosed is also a lighting device including a body provided with a cavity in an upper part, a power supply disposed in the body to supply power, a case disposed in the cavity, the case including an electrode unit detachably connected to the power supply and a case body connected to the electrode unit, and a light source disposed in the case body and electrically connected to the electrode unit to emit light.

Abstract: There is presented a vehicle headlamp with an imaging optics that is designed to project, as light/dark boundary, into the area in front of the vehicle headlamp, an edge that delimits a light flux of a light source of the vehicle headlamp, a boundary surface of a component of the imaging optics, through which the light flux penetrates, having an overhead element in the form of a local deformation of the boundary surface having a prismatic effect by means of which the light is deflected into an overhead area lying over the light/dark boundary. The vehicle headlamp is distinguished by the fact that the boundary surface has more than one hundred overhead elements distributed discretely over the boundary surface.

Abstract: A light source device which can prevent a stress from being generated on each of circuit boards when connected through a connector and fixed to a support body through a fixture, is provided. There are provided a plurality of circuit boards 2 having a light-emitting element 1 mounted on a one surface 2a and disposed apart from each other with a planar direction aligned, a support body 6 positioned on the other surface side of the circuit boards 2 for supporting the circuit boards, and a connector 5 for electrically connecting the adjacent circuit boards 2 to each other. Inserting holes 2c and 2d for inserting a fixture 8 for fixing the circuit boards 2 to the support body 6 are formed on the circuit boards 2 apart from each other, and a dimension of the inserting hole 2c is smaller than that of the other inserting hole 2d.

Abstract: A light source module includes a light source unit which generates a light; a light emitting part spaced apart from the light source unit and comprising a light emitting surface; and a light transmitting part which transmits the light generated by the light source unit to the light emitting part. The light emitting part emits the light transmitted by the light transmitting part, through the light emitting surface.

Abstract: System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light.

Abstract: An illuminating device and method of fabricating the illuminating device are provided. The illuminating device includes a base, a cover, a light source circuit board, a lens and a circle. The base has a circuit board accommodating recess. The cover is assembled to the base and located in the circuit board accommodating recess. The cover has a lens accommodating recess and a first fixing structure located at opposite sides. The light source circuit board is disposed in the circuit board accommodating recess and located between the cover and the base. The light source circuit board has a second fixing structure inserted with the first fixing structure to assemble the light source circuit board with the cover. The lens is disposed in the lens accommodating recess. The circle encircles an edge of the lens and fixes to the base.

Abstract: A light emitting die package includes a substrate, a reflector plate, and a lens. The substrate has traces for connecting an external electrical power source to a light emitting diode (LED) at a mounting pad. The reflector plate is coupled to the substrate and substantially surrounds the mounting pad, and includes a reflective surface to direct light from the LED in a desired direction. The lens is free to move relative to the reflector plate and is capable of being raised or lowered by the encapsulant that wets and adheres to it and is placed at an optimal distance from the LED chip(s). Heat generated by the LED during operation is drawn away from the LED by both the substrate (acting as a bottom heat sink) and the reflector plate (acting as a top heat sink).

Abstract: The present embodiments relate to displaying personalized photographs. In certain embodiments, a photograph display system is provided. The photograph display system may include a base that is coupled with a personalized light shade. The personalized light shade may include one or more personalized photographs. The photograph display system may also include a light source coupled with an electrical connector. The light source may be positioned inside of the personalized light shade such that the light source is capable of illuminating the personalized light shade when connected to the electrical connector.

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: Provided is a lens. The lens includes a lens body including a convex top surface having a first recessed part at a central portion thereof and a flat surface at a circumference thereof and a flat bottom surface having a second recessed part at a central portion thereof; and a plurality of lens supports on the bottom surface of the lens body, wherein a ratio of a maximum depth (a) of the first recessed part, from the top surface of the lens body to a bottom surface of the first recessed part, to a maximum thickness (h) of the lens body, from the top surface of the lens body to the bottom surface of the lens body, ranges from 0.06 to 0.1.

Abstract: A display device includes a first substrate, a light emission portion on the first substrate, a second substrate separated by a predetermined distance from the light emission portion, and a refractive layer on the second substrate, the refractive layer facing the light emission portion and being configured to change an optical path of light emitted from the light emission portion.

Abstract: A light-directing apparatus for off-axial preferential-side distribution of light from a light emitter having an emitter axis. The light-directing apparatus includes a shield member within a lens member positioned over the light emitter. The lens member has an outer surface and an inner surface defining an emitter void and a shield-receiving void which is on a non-preferential side of the lens member. The shield-receiving void is different in configuration than the emitter void. The shield member is in the shield-receiving void in position in the path of light emitted toward the non-preferential side.

Abstract: According to one embodiment, a lightning device includes a base member, a light source on the base member, a light guide body configured to guide at least part of light forwardly emitted from the light source. The light guide body includes an incident portion covering the front of at least the part of the light source, a bent light guide portion outwardly bent from the incident portion and configured to curvedly guide incident main light to the outside, and a light-emitting surface located on the distal end of the bent light guide portion, directly exposed to the outside of the device, and configured to emit the curvedly guided light laterally or rearwardly relative to the light source.

Abstract: A method of controlling a light beam in an optical system includes a light source that directs a collimated light beam along a path, through a sample, and toward the active area of a stationary detector. The method includes the step selectively moving a lens into the path of the light beam for spreading the beam in instances where the path of the beam is altered by the sample between the source and the stationary detector. The detector, therefore, is held stationary. Adjustment means are provided for increasing the intensity characteristic of the light that reaches the detector to account for a decrease in intensity that occurs when the lens is in the path of the light beam to spread the beam.

Abstract: A light emitting die package includes a substrate, a reflector plate, and a lens. The substrate has traces for connecting an external electrical power source to a light emitting diode (LED) at a mounting pad. The reflector plate is coupled to the substrate and substantially surrounds the mounting pad, and includes a reflective surface to direct light from the LED in a desired direction. The lens is free to move relative to the reflector plate and is capable of being raised or lowered by the encapsulant that wets and adheres to it and is placed at an optimal distance from the LED chip(s). Heat generated by the LED during operation is drawn away from the LED by both the substrate (acting as a bottom heat sink) and the reflector plate (acting as a top heat sink).

Abstract: This is directed to a luminaire having a removable inner accessory and optical component. A luminaire can include a base and an outer accessory through which light generated by a light source placed in the base is transmitted. To customize the light emitted by the luminaire, an inner accessory having an optical component can be placed within the outer accessory. The optical component can be tuned to provide a light pattern corresponding to an environment in which the luminaire is placed. Because all of the components used to create the luminaire, other than the optical component, are standard, the luminaire can be easily constructed with a default optical component, but also easily customized at a minimal cost. In addition, the optical component can be recessed relative to the outer accessory to improve optical performance of the luminaire.

Abstract: A convertible lighting fixture includes a first housing defining a first compartment, a second housing defining a second compartment and movably attached to the first housing, the second housing having a surface adjacent the first compartment. The lighting fixture further includes a mounting plate attached to the second housing and at least partially separating the second compartment from a third compartment, a light source mechanically attached to the mounting plate and electrically connected to a power source disposed within the first compartment, and a cover defining the third compartment and substantially surrounding the light source, the cover reversibly attached to the second housing opposite the first housing, where the first, second, and third compartments are arranged to thermally insulate the power source from the light source.

Abstract: Projection apparatus for projecting a radiation spot on a working plane includes a plurality of stacks of diode-laser bars. Each stack provides a beam of laser radiation. The diode-laser bars in each stack are arranged one above another in the fast-axis direction of the diode-laser bars. A corresponding plurality of beam-expanders expands the beam from the corresponding diode-laser bar stack in the slow-axis direction of the diode laser bars only. A focusing lens collects the slow-axis expanded beams and projects the slow-axis expanded beams into the working plane to form the radiation spot.

Abstract: The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a light guide plate and a light source. The light guide plate has an out light surface. The light source is positioned at a side of the light guide plate, wherein the light source comprises a light source out light surface, and a predetermined angle exists between the light source out light surface and the out light surface of the light guide plate. The present invention is capable of promoting the light leakage issue.

Abstract: A lamp including a lamp-stand, a lamp-shell and a lamp shade is provided. The lamp-stand has an assembling portion, a helix portion, an accommodation space and a plurality of dotting dents, the helix portion is located under the assembling portion, the accommodation space is located in the assembling portion and the helix portion, and the dotting dents are disposed surrounding the assembling portion. The lamp-shell has a thread portion and a plurality of pricks, in which the helix portion of the lamp-stand fits the helix portion of the lamp-shell by screwing, the pricks are pricked into the assembling portion and located in the dotting dents. The layout of the dotting dents enables the interference amount produced by the pricks pricked into the assembling portion is smaller, which is able to maintain the structure completeness of the lamp-stand and advance the assembling yield of the lamp employing the lamp-stand.

Abstract: A light fixture includes a light source, a first flexible material coupled to a first scrolling mechanism, and a second flexible material coupled to a second scrolling mechanism. The first flexible material includes a first pattern generator and the first scrolling mechanism is operable to move the first pattern generator from a first position to a second position in a beam of light from the light source. The second flexible material includes a second pattern generator and the second scrolling mechanism is operable to move the second pattern generator to a third position in the beam of light. A changing pattern is produced in the beam of light.

Abstract: A light-trapping sheet of the present disclosure includes: a plurality of light-transmitting sheets each having first and second principal surfaces; and a plurality of light-coupling structures arranged in an inner portion of each of the plurality of light-transmitting sheets at a first and second distance from the first and second principal surfaces, respectively. Each of the plurality of light-coupling structures includes a first light-transmitting layer, a second light-transmitting layer, and a third light-transmitting layer sandwiched therebetween. A refractive index of the first and second light-transmitting layers is smaller than a refractive index of the light-transmitting sheet; and a refractive index of the third light-transmitting layer is larger than the refractive index of the first and second light-transmitting layers. The third light-transmitting layer has a diffraction grating parallel to the first and second principal surfaces of the light-transmitting sheet.

Abstract: An LED lamp includes a lens which forms a light emitting surface and a shade mounted on the light emitting surface. Each of the shades includes a hole whose sectional area in radial direction is equal to that of the light emitting surface, an axial height of the hole following the formula of H ? = ? ? max tan ? ? ? max , wherein H? is the axial height of the hole, ?max is a diameter value of the light emitting surface, and ?max is an output angle of the lens. Accordingly, a work area of the LED lamp can be extended since the shade shields the stray light of a glare area of the LED lamp and strictly separates the work area from the glare area, and no stray light escapes. Therefore, the LED lamp can achieve light distribution as designed without glare under cooperation of the lens and the shade.

Abstract: An LED lamp includes a heat dissipating base and a plurality of light strips. The heat dissipating base is formed by aluminum extrusion and has a length direction defined by the aluminum extrusion direction. The heat dissipating base has a main body and a plurality of heat dissipating fins. The bottom side of the main body has a flat connecting surface. The heat dissipating fins extend outward from the main body. Each light strip has a circuit board and at least one LED module provided on the circuit board. The circuit board of each light strip is provided on the connecting surface of the heat dissipating base. The width (W1) of the connecting surface of the heat dissipating base is greater than three times the width (W2) of each light strip, i.e., W1>3W2.

Abstract: A lens for covering a light source to diverge light from the light source includes a first curved surface facing the light source, a second curved surface covering the first curved surface, and a connecting surface interconnecting bottoms of the first curved surface and the second curved surface. A plurality of first protrusions and second protrusions are formed on the connecting surface. The first protrusions and the second protrusions each are semi-terete. The first protrusions are parallel to and spaced from each other. The second protrusions are parallel to and spaced from each other. The first protrusions intersect the second protrusions.

Abstract: The disclosure relates to an improvement of a marking light device for the emission of a standard light plane in, for example, a horizontal or a vertical direction. The aim of the marking light device is essentially to be able to produce a continuous standard light plane that has a higher accuracy than conventionally produced standard light planes. Furthermore, the disclosure relates to a method for producing a planar standard light plane by means of a marking light device.

Abstract: An illumination assembly includes a light source, which is configured to emit optical radiation. A transparency containing a plurality of micro-lenses, which are arranged in a non-uniform pattern and are configured to focus the optical radiation to form, at a focal plane, respective focal spots in the non-uniform pattern. Optics are configured to project the non-uniform pattern of the focal spots from the focal plane onto an object.

Abstract: A luminaire with a prismatic optic permits the nearly uniform distribution of light about the luminaire. The prismatic optic permits the use of directional light sources, such as light emitting diodes, while maintaining the uniform light distribution. When light emitting diodes are used, the luminaire further includes a heat sink to maintain a desirable operational temperature without negatively affecting the light distribution properties of the luminaire.

Abstract: A luminaire with a prismatic optic permits the nearly uniform distribution of light about the luminaire. The prismatic optic permits the use of directional light sources, such as light emitting diodes, while maintaining the uniform light distribution. Furthermore, a concave shape of the optic further enables uniform light distribution. When light emitting diodes are used, the luminaire further includes a heat sink to maintain a desirable operational temperature without negatively affecting the light distribution properties of the luminaire.

Abstract: A lamp comprises an optical lens. The lamp further comprises a self-locking trim ring including a plurality of teeth. The self-locking trim ring is disposed over the optical lens. The lamp further comprises a heat sink. The heat sink has an inner chamber wherein the optical lens is disposed in the inner chamber. The heat sink also has an outer chamber disposed radially outwardly from the inner chamber. The outer chamber has a recess that engages the plurality of teeth. The self-locking trim ring secures the optical lens to the heat sink.

Abstract: An illuminating optical lens article of manufacture for use with a light emitting diode (LED) mounted on a circuit board has (a) a base portion defining a rim on a plane having a bottom surface around a longitudinal axis for mounting over the LED; (b) an integral refractive outer surface of the lens extending towards the longitudinal axis from the base; (c) an integral refractive inner surface of the lens extending from the base forming a cavity shaped and sized to receive an LED; and optionally (d) a plurality of grooved sections for receiving an adhesive formed on the bottom surface of the base portion. The base is adapted to be mounted on the circuit board onto which the LED is mounted. The integral refractive outer and inner surfaces each define a predetermined geometry adapted to direct and focus light emitting from the LED to a predetermined path.

Abstract: This disclosure provides systems, methods, and apparatuses for a multi-beam light engine. In one aspect, a light source is coupled with an optical film such that light emitted from the light source passes through the optical film. The optical film can be a composite film including one or more sections, each of which is configured to operate differently on the input beam emitted from the light source. The optical film can be configured to produce one or more output beams of differing color, direction, and/or beam width.

Abstract: A single piece light guide is disclosed herein. The single piece light guide may include a light rod and a lens. The single piece light guide may be formed using injection molding. The light guide may have one or more regions between the light rod and the lens. A housing may be provided for the light guide. The housing may have an opening that physically supports the light rod. Therefore, the light rod may be secured into place, which may prevent misalignment during use. The one or more regions between the light rod and the lens may assist in assembling and holding the light guide in the housing.

Abstract: The present invention relates to a street lamp which uses LEDs as a light source and has a freely adjustable lighting direction and an adjustable lighting range. The street lamp of the present invention includes a housing 1; LEDs 10 arranged in the housing 1; heat radiation fins 20 formed on an upper surface of the housing 1; a lighting direction adjuster 30 arranged on the bottom surfaces of the heat radiation fins 30 in the housing 1; and a lens case 40 attached to an upper surface of the lighting direction adjuster 30 and equipped with a lens moving means for positioning a lens 49 arranged in the lens case wherein the lighting direction adjuster 30 includes a spherical rotating body 32; a receiving body 34 having a groove 35 for accommodating the spherical rotating body 34; and a cover plate 36 arranged on the rotating body 32.

Abstract: The present invention discloses a light emitting diode (LED) lens, a back light module and a liquid crystal display (LCD) device. A LED lens is of a direct type back light module; the dispersion index of said LED lens is less than 0.1; said dispersion index is: k dispersion = ? A ? ? i ? ? d i d total ? ? ? A ; dA is a microfacet of the main luminous surface of the LED blue chip; di is a solid angle of the incident angle which is just in the critical area when dA light is reflected to the lens; the critical area refers to an area in which light with different wavelengths emitted by the LED is dispersed in the lens; the total solid angle of color separation corresponding to microfacet dA is: ? i ? ? d i ; dtotal is the solid angle of the lens light emergent surface corresponding to any microfacet. The present invention can avoid dispersion phenomenon under the condition of guaranteeing wide luminance.

Abstract: A color insensitive scattering pigment is disclosed. In an embodiment, the scattering pigment is composed of particles of a range of sizes. In at least one subrange of the range of sizes, the particles are present in such relative proportions that the v/v concentration (volumetric concentration) of a particular size of particles is proportional to the size itself. In an embodiment, such a scattering pigment is included in light guides to scatter light from a primary light source.

Abstract: A light-emitting module including a light-emitting device, a multi-mode optical fiber, and a housing accommodating the light-emitting device is disclosed. The optical fiber includes a core and first cladding, and has a covered fiber section including a second cladding and a bare fiber section which has a lens for receiving laser light emitted by a light-emitting end surface of the light-emitting device and is not covered with the second cladding. The housing includes an optical fiber penetration pipe for fixing a portion of the bare fiber section so that the light-emitting end surface and the lens face each other. In the optical fiber penetration pipe, the portion of the bare fiber section is fixed by a resin having a refractive index lower than that of the first cladding.

Abstract: A lamp assembly, comprising a lens, a lamp housing in the form of an integral metal part, the lamp housing cooperating with the lens to at least partially define a lamp chamber that is generally fluidly isolated from an ambient atmosphere outside the lamp chamber, and at least one lamp provided in the lamp chamber and carried by the lamp housing. The lamp housing itself defines a heat sink exposed to the ambient atmosphere outside the lamp chamber such that heat from the at least one lamp is transmitted to the ambient atmosphere.

Abstract: Embodiments of the invention include luminaires with a large-scale prism. In some embodiments, a large-scale prism can be any prism with a base having the smallest dimension greater than one half of an inch. In some embodiments, a large-scale prism can be any prism with a base having the smallest dimension between two and four inches. At these large-scales, the geometry of the individual prism can be easily appreciated through casual observation. Use of large-scale prisms can provide a light without high angle glare.

Abstract: A lighting device may be provided that includes a light emitting module including a substrate and a light emitting device disposed on the substrate; and a case receiving the light emitting module therewithin and including an upper case disposed on the substrate and a lower case in which the substrate is disposed. The lower case includes a seating portion which is coupled to a heat sink. The seating portion is either a projection projecting outward from the outer surface of the lower case or a recess which is formed by digging inward the outer surface of the lower case.

Abstract: A method for providing an optical element may include providing an optical feature in the optical element that spreads or distributes light passing through the optical element. The method may also include providing a texturing in at least a portion of the optical feature of the optical element.

Abstract: A light-trapping sheet of the present invention includes: a light-transmitting sheet 2 having first and second principal surfaces; and a plurality of light-coupling structures 3 arranged in an inner portion of the light-transmitting sheet at a first distance or more and a second distance or more from the first and second principal surfaces, respectively, wherein: each of the plurality of light-coupling structures 3 includes a first light-transmitting layer, a second light-transmitting layer, and a third light-transmitting layer arranged therebetween; a refractive index of the first and second light-transmitting layers is smaller than a refractive index of the light-transmitting sheet 2; a refractive index of the third light-transmitting layer is larger than the refractive index of the first and second light-transmitting layers; and the third light-transmitting layer has a diffraction grating parallel to the first and second principal surfaces of the light-transmitting sheet.

Abstract: A display and projection device includes a first shell, a display module, a projection light valve, and a projection lens. The first shell has a display surface and a non-display surface. The display module is disposed within the first shell. The display surface of the first shell exposes the display module. The projection light valve is disposed within the first shell and capable of emitting an image light beam, and the non-display surface of the first shell exposes the projection light valve. The projection lens is disposed outside of the first shell and is located at a transmission path of the image light beam. The projection lens is detachably connected with the non-display surface of the first shell. Moreover, a projection device including a Fresnel lens is also provided.

Abstract: An illumination apparatus including an illumination shell, a circuit and a light source is provided. The illumination shell is formed by a light guide plate. The circuit has a plurality of circuit contacts integrated with the illumination shell. The light source is disposed on the illumination shell and electrically contacted to the plurality of circuit contacts.

Abstract: An exemplary lamp cover for covering a light source includes a connecting member, mounting members, first covering members, and a second covering member. The mounting members are integrally formed with the connecting member as a single piece. The first covering members are detachably mounted on the connecting member and alternated with the mounting members. The second covering member is capable of being mounted on the connecting member to replace one of the first covering members to change a shape of a light field of light emitted from the light source and through the lamp cover.

Abstract: A light diffusing member includes a base material having a light transmitting property; a plurality of light blocking sections that are formed in a scattered manner at one surface of the base material; and a light transmissive material layer that is formed at the one surface of the base material. A thickness of the light transmissive material layer is larger than a thickness of each light blocking section. The light transmissive material layer has hollow portions in regions where the light blocking sections are formed. Each hollow portion has a shape in which a cross-section area when each hollow portion is cut at a plane that is parallel to the one surface of the base material is large on a side of the corresponding light blocking section and becomes gradually smaller with increasing distance from the corresponding light blocking section. A portion of the light transmissive material layer other than where the hollow portions are formed is a light transmitting section.