Abstract: A luminaire comprises an optical element. The optical element comprises a coupling portion that comprises a coupling cavity that extends along a length of the optical element. The coupling cavity is configured to receive at least one light emitting diode. The optical element further comprises first and second sections extending away from the coupling portion of the optical element along the length of the coupling cavity. The first section comprises a first thickness closer to the coupling portion and a second thickness further from the coupling portion. The first thickness is greater than the second thickness. The second section comprises a third thickness closer to the coupling portion and a fourth thickness further from the coupling portion. The third thickness is greater than the fourth thickness. Light is extracted out of extraction features of opposing sides of at least one section.

Abstract: An illumination lens consists of two lenses consisting of a first lens and a second lens arranged in this order from a light source side, and surfaces of all the lenses have a planar shape or a convexly spherical shape. An incident surface of the first lens is a convex surface, and an emission surface of the second lens is a flat surface. An intersection of a ray incident in parallel to an optical axis at a height of 0.25×H and a ray incident in parallel to the optical axis at a height of 0.5×H is positioned only inside the illumination lens in a case in which an outer diameter of the first lens is denoted by 2H. Predetermined Conditional Expression related to a focal length of the illumination lens and a focal length of the first lens is satisfied.

Abstract: A laser unit may include a laser chamber including a pair of discharge electrodes that are opposed to each other in a first direction with an electrode gap interposed in between and are configured to provide a discharge width in a second direction, orthogonal to the first direction, smaller than the electrode gap; and an optical resonator including a first optical member and a second optical member that are opposed to each other in a third direction orthogonal to both the first direction and the second direction with the discharge electrodes interposed in between, and configured to amplify laser light generated between the discharge electrodes and output amplified laser light, the optical resonator satisfying the following expression to configure a stable resonator in the second direction: 0<G1·G2<1 where G1 is a G parameter of the first optical member, and G2 is a G parameter of the second optical member.

Abstract: An endoscope light source apparatus includes a first light source section that emits first light, a second light source section that emits second light, and an optical path combiner that combines an optical path of the first light and an optical path of the second light. The etendue of the first light source section is smaller than the etendue of the second light source section. The optical path combiner has an optical deflection surface that deflects the second light, and has an aperture that allows the first light to pass through it within an area of the optical deflection surface. The optical path combiner deflects the second light so that a center axis of the optical path of the second light deflected by the optical deflection surface corresponds to a center axis of the optical path of the first light that has passed through the aperture.

Abstract: The present invention relates to an optical device capable of effecting changeable beam angles. The optical device includes a light source plate, a convergence lens, and at least two diffusion lenses. When one of the at least two diffusion lenses is in use, the rest of the at least two diffusion lenses are in a stand-by state. The optical device is configured such that the light emitted by the light source plate is collimated by the convergence lens and allowed to go through the diffusion lens in use to be diffused. The optical device is configured to cause the collimated light incident on refraction surfaces of the different diffusion lenses with different incident angles to exit from the different diffusion lenses with different emergence angles. The optical device is capable of employing different diffusion lenses for changing the beam angle of the optical device.

Abstract: A submersible luminaire includes a housing and a transparent pressure bearing window positioned at a forward end of the housing. Window supporting structure is mounted in the housing behind the transparent window. A water-tight seal is located between the window and the housing. A circuit element is configured and positioned within the housing behind the window supporting structure to bear at least some of the pressure applied to the transparent window. At least one solid state light source is mounted on the circuit element behind the transparent window.

Abstract: An optical system of LED variable-focus imaging lamp, comprises a LED light source module, a light-collecting assembly, a shutter assembly and a zoom lens assembly, which are installed in sequence according to the direction of a light path. Geometry centers of the module and assemblies are collinear with a primary optic axis A. A focal point F1 of the light-collecting assembly coincides with a focal point F2 of the zoom lens assembly. The zoom lens assembly comprises a first zoom lens, a diaphragm and a second zoom lens. The first zoom lens and the second zoom lens can move forward or backward along the direction of the primary optic axis A so that zoom is realized. The diaphragm is disposed between the first zoom lens and the second zoom lens, and the clear aperture of which is adjustable.

Abstract: Lenses and methods for directing light toward a side of light fixture, and methods for manufacturing the same, are disclosed. Embodiments include lenses with an optical axis and a first (e.g., upper) portion that is rotationally symmetric about the optical axis and a second (e.g., lower) portion that is rotationally asymmetric. The first/upper portion can include a cavity that receives an LED and directs light toward the second/lower portion. The asymmetric side can include a convex surface where the light exits the lens, the convex surface extending across the optical axis. Additional embodiments include a planar surface adjacent the convex surface, where the height of the lens decreases along the portion of the convex surface near the planar surface and along the planar surface as the distance from the optical axis increases. In further embodiments, the maximum height of the lens occurs between two horizontal sides of the lens.

Abstract: A laser unit (11) for a vehicle headlight has a laser diode (12) that is associated with adjustable collimating optics (13) for the laser light emitted by the laser diode. The collimating optics (13), which comprise at least one optical component, e.g., a lens (14), are arranged at a distance, in a longitudinal direction (x), from the laser diode (12), this distance being adjustable by an adjusting device (20). The adjusting device comprises a carrier (24), which is adjustable in the longitudinal direction relative to the laser diode (12) with the help of longitudinal actuation means (21), and in which the optical component (14) is mounted so that it can pivot transverse to the longitudinal direction (x) in a holder (23).

Abstract: An illumination device is provided with a light source device including a first light-emitting element that emits a first pencil of rays, and a light shaping optical system including a first lens surface on which the first pencil of rays is incident. The first lens surface has a first free-form surface represented by Expression (1) in which x and y are used as variables. In Expression (1), in a case where h is set to a positive integer, the coefficient Cj of the x2h term is different from the coefficient Cj of the y2h term.

Abstract: A vehicle lighting system that projects a primary beam and that comprises a supplemental or auxiliary beam that augments the primary beam that does not exceed any regulatory maximum intensity values. In one embodiment, the lighting system utilizes a multi-lobed lens adapted to distribute light to predetermined areas of the primary beam. A combined beam is created having no portion that exceeds the regulatory maximum intensity. In one illustrative embodiment, the primary beam is a high beam and the combined beam is an augmented primary beam that does not exceed the high beam regulatory limit of 75,000 candelas.

Abstract: A modular street lighting system comprising an attachment structure, power circuitry positioned, a support structure, and a lighting component comprising a body member comprising a light source housing section and a center component, the center component comprising a plurality of vertically-oriented heat dissipating structures, a circuit housing, circuitry, a rear attachment section, a lighting element in thermal communication, and an optic positioned within the light source housing section. The circuitry is configured to provide power for and control the operation of the lighting element. The lighting element is configured to emit light in the direction of the optic. The optic is configured to reflect light so as to be emitted by the lighting component. The plurality of heat dissipating structures are positioned in thermal communication with the back wall.

Abstract: An illumination unit includes one or more light sources each including a solid-state light-emitting device configured to emit light from a light emission region including a single or a plurality of light-emitting spots. The solid-state light-emitting device includes a single chip or a plurality of chips each emitting a light beam. Three or more of the light-emitting spots are provided within the whole of one or more light sources, to allow the whole of one or more light sources to emit light beams in two or more wavelength bands different from one another, and the solid-state light emitting device in a first light source which is at least one of the one or more light sources, has a plurality of light-emitting spots which emit light in the same wavelength band.

Abstract: A light assembly for producing scenographic effects comprising: at least one movable member; at least one electric motor coupled to the at least one movable member; at least one driving circuit, configured to drive the at least one electric motor and having a driving outlet connected to the electric motor; a driving inlet connected to the driving circuit to provide electric power and comprising a first driving terminal and a second driving terminal; and a supply inlet configured to receive electric power from an electric power supply; and a braking system configured to restrain unwanted movements of the movable member and comprising a switch having a first switching terminal and a second switching terminal respectively connected to the first driving terminal and to the second driving terminal; wherein the switch is configured to switch between a first operating configuration, in which the first switching terminal and the second switching terminal are disconnected; and a second operating configuration, in whic

Abstract: A zoom spotlight has a reflector, a light source, a fixed lens, and a movable lens. The movable lens of the zoom spotlight can be moved and thereby adjusted in position relative to the fixed lens so that the zoom spotlight can output a broad beam, a collimated beam, or a beam ranging between the broad beam and the collimated beam, according to the user's needs.

Abstract: A head-up display includes light source elements arranged in a first direction, a first lens which takes in from an incident surface light emitted from the light source elements and emits the light from an emission surface. A diffusion member is disposed on a side of the emission surface of the first lens. A spatial light modulation element takes in from an incident surface the light having been emitted from the light source elements and having passed through the first lens and the diffusion member, modulates the taken-in light in accordance with image information, and emits the modulated light from an emission surface. An optical element reflects light emitted from spatial light modulation element. The first lens changes an optical path of light emitted from each of the light source elements such that it reaches the same point on the incident surface of the spatial light modulation element.

Abstract: This exterior signaling and/or illuminating light, especially for an aircraft, comprises an array of exterior illuminating optical modules (7) ensuring the execution of at least one exterior signaling and/or illuminating function and an array of at least one deviating optical device (14), the illuminating optical modules being selectively activatable in groups of at least one illuminating optical module in order to selectively execute an exterior signaling and/or illuminating function conjointly with said deviating optical device.

Abstract: A vehicle headlamp includes at least one light-emitting diode that operates as a detector of a light source. The headlamp also includes a first memory that records whether the at least one light-emitting diode detects the light source when the at least one light-emitting diode last operated as the detector of the detected light source.

Abstract: A lamp apparatus for a vehicle may include a light source radiating light for specific images; reflectors symmetrically disposed at both sides of the light source and reflecting light from the light source, and a condensing lens disposed ahead of the light source, receiving light from the light source and light from the reflectors, having two or more lenses to concentrate light, and having a curved shape with respect to the light source so that a plurality of images is formed by the light from the light source.

Abstract: A beam shaping system is for example for use over an array of light sources. An array of beam shaping units is arranged in a general plane, each beam shaping unit comprising a central refracting area, an intermediate total internal reflection area for processing of light from a light source beneath the central area, and an outer total internal reflection area for processing light from the nearest light source and an adjacent light source. This outer area essentially extends the useful size of the adjacent beam shaping unit to improve the beam shaping performance and/or the optical efficiency.

Abstract: Provided is an image pickup apparatus, including: an image pickup optical system including a protection lens, which is arranged closest to a light incident side and has a convex-shaped surface on light incident side; and a housing houses the image pickup optical system, in which the image pickup optical system includes an aperture stop, and an optical systems A and B, which are arranged on an image side of aperture stop to be selectively placed in an optical path of image pickup optical system, the optical systems A and B having mutually different optical characteristics, and in which the housing separates a medium outside of housing and an inside of housing, and in which the image pickup apparatus further includes a switching unit selectively places one of optical systems A and B in optical path of image pickup optical system depending on a medium outside housing.

Abstract: A device for increasing the optical power of a solid state light source in the green and/or yellow bands, is disclosed. The device has an integral body having an ingress surface configured to receive light from an emitting portion of the solid state light source, an egress surface substantially opposite the ingress surface, and a recess formed within the body. The recess has an input opening in the ingress surface, an output opening in the egress surface, and a recess surface within the body extending between the input opening and the output opening. The recess surface is configured to reflect visible light with Lambertian scatter characteristics.

Abstract: A ventilation apparatus of a lamp module for vehicles may include a lamp housing, a lamp installed in the lamp housing and emitting light through a light transmitting part, a light transmitting lens covering an opening of the lamp housing and transmitting the light emitted from the light transmitting part, an intake hole part formed through the lamp housing and arranged at one side of the lamp, an exhaust hole part formed through the lamp housing and arranged at the other side of the lamp, an exhaust pipe coupled to the lamp housing and connected to the exhaust hole part, and an exhaust pump connected to the exhaust pipe and forcibly discharging the air between the lamp housing and the light transmitting lens through the exhaust pipe.

Abstract: A vehicular signal assembly that includes an inner chamber defined by a substrate comprising LED light sources and spaced apart, corresponding Fresnel lenses; and an outer chamber defined by the Fresnel lenses and an outer lens comprising optical elements. The outer lens can have a width of at least 12 mm. Further, each LED source emanates incident light directly through the chambers to produce a light pattern with a contrast ratio of 3:1 or less, e.g., a daytime running light pattern. Each LED source can also emanate incident light directly through the corresponding Fresnel lens an outer lens to produce the daytime running light pattern.

Abstract: A light source device includes a light source section adapted to emit excitation light, a lens array adapted to divide the excitation light into a plurality of partial light beams, a light collection optical system adapted to collect the excitation light divided into the plurality of partial light beams, and a light emitting element adapted to emit fluorescence by being excited by the excitation light.

Abstract: A system for removing snow and ice is provided. The system has a light head mounted to rotate. A light source is mounted in the light head and radiates visible light. An optical train is mounted in the light head adjacent the light source to focus the visible light to a concentrated light beam line that is directionally focused. A controller is in communication with the light head and is programmed to rotate the light head thereby sweeping the concentrated light beam along a surface.

Abstract: A lighting structure for an exterior vehicle light unit has a light source with a principal light emission direction, at least one LED, a substantially parabolic reflector arranged to reflect light output from the light source in a first output region and to collimate the same in a primary light output direction. The light source is arranged in such a way with respect to the substantially parabolic reflector and the aspherical collimating lens that the principal light emission direction is inclined at an acute angle with respect to the primary light output direction.

Abstract: An illumination device for a motor vehicle includes a light source consisting of a number of semiconductor diodes, and a scanner onto which a light beam obtained from light of the light source falls and which modifies the position of the light beam during operation of the illumination device and thereby moves a light spot produced by the light beam at a distance from the illumination device. The moved light spot allows a predetermined light distribution to be generated. The illumination device is designed such that the scanning speed at which the light spot is moved, the scanning path along which the light spot is moved, and/or the size of the light spot can be varied and is/are controlled to generate the predetermined light distribution.

Abstract: Illumination panel comprises: (1) a receiver substrate assembly including: (a) a rigid sheet of light transmissive material having a first surface, a second surface opposite the first surface, and a conductor pattern attached to the first surface; and (b) at least one receiver assembly affixed to the rigid sheet, each receiver assembly including a light source in electrical communication with the conductor pattern; and (2) at least one light-guide optic attached to and supported by the receiver substrate assembly, each light-guide optic in optical communication with the photovoltaic cell of an associated one of the at least one receiver assembly for guiding light for output via the rigid sheet.

Abstract: A light source module of a lamp for a vehicle is capable of realizing a three dimensional pattern image when light sources are turned on by using a plurality of inner lenses combined stepwise and by turning a first light source and a second light source of the light sources on or off.

Abstract: A lighting apparatus includes a body, a light source unit disposed on the body to generate light, and a lens disposed on the body to refract light generated from the light source unit. The lens includes a light introduction portion having a light introduction surface for introduction of light and a light emission portion having a light emission surface for passage of light having passed through the light introduction portion, and the light introduction surface of the light introduction portion and the light emission surface of the light emission portion are configured to satisfy cos a1?cos ?1/cos a2?cos ?2<0.

Abstract: An adjustable articulating spinal rod system including a first elongated element secured to a first bone, a second elongated element secured to the spine, and an articulating joint connecting the first and second elongated elements. The articulating joint including a first movable joint, a second movable joint, and at least one locking mechanism. The first movable joint is coupled to the first elongated element and the second movable joint which is also coupled the second elongate element. The first and second movable joints are configured to allow polyaxial movement and rotation of the first elongated element with respect to the second elongated element. The at least one locking mechanism immobilizes the first and second movable joints in the locked position to secure the first elongate element in a position relative to the second elongate element and allow movement and rotation in an unlocked position.

Abstract: A motor vehicle includes a headlamp configured to project an adjustable light beam; a plurality of cameras positioned at different locations in the motor vehicle and oriented to capture a head of a driver; a controller in data communication with the cameras to determine at least one region of attention of the driver from data captured by the cameras, and adaptively control the light beam of the headlamp based on the region of attention of the driver.

Abstract: A dual lens structure includes an outer elongated lens segment that has a substantially dome-shaped cross-section. The outer elongated lens segment includes a first optical pattern. The dual lens structure also includes inner elongated lens segment that has a substantially bell-shaped cross-section. The inner elongated lens segment includes a second optical pattern and is at least partially positioned within the outer elongated lens segment. The dual lens structure further includes a first segment coupled to a first longitudinal side of the outer elongated lens segment and to a first longitudinal side of the inner elongated lens segment. The dual lens structure also includes a second segment coupled to a second longitudinal side of the outer elongated lens segment and to a second longitudinal side of the inner elongated lens segment.

Abstract: A new and innovative, rugged lighting system is provided. The problem of achieving a lighting system that optimizes ruggedness, luminosity, energy and thermal efficiency, versatility, and unbundling of key components is solved. Embodiments of the present invention include a rugged lighting system comprising a housing unit with a body with integrally formed back, sides, and a front with an opening to provide access to the interior of the housing unit; a first lens configured to substantially cover the opening; a first lens bezel configured to removeably attach to the housing unit over the first lens; a second lens configured for placement over the first lens; and a second lens bezel configured to removeably attach to the housing unit over the first lens bezel. Various embodiments further include a light module within the housing unit with a light emitting diode (LED) mounted to an electronics module having a printed circuit board for operating the LED.

Abstract: A ventilation structure of a light fixture for a vehicle comprising a light fixture for a vehicle at which a suction port and an exhaust port are provided; a tube member having an upstream side opening portion into which traveling wind, that is taken-in when a vehicle travels, is introduced, and a downstream side opening portion from which the traveling wind is discharged; and a communication tube, one end portion thereof is connected to the exhaust port of the light fixture for a vehicle, and other end portion thereof is connected between the upstream side opening portion and the downstream side opening portion of the tube member, the other end portion extends into an interior of the tube member and opens toward a downstream side in a direction of passage of the traveling wind.

Abstract: A light-diffusing LED lens adopting an asymmetric free-form surface expression is provided to improve the uniformity ratio of illumination of the target region by controlling the light from the LED serving as a light source. The light-diffusing LED lens adopting an asymmetric free-form surface expression exhibits light control and illumination efficiency suitable for highway environment conditions and characteristics of traffic lanes. Both the light incident surface and the light emitting surface of the light-diffusing LED lens are formed into an aspherical surface, in which an asymmetrical free-form surface is optimally utilized to enable the free-form surface to be freely modified and changed by adjusting the coefficients of the aspherical surface or the like. The light-diffusing LED lens enables a numerical design and a mathematical design by means of the free-form surface, and enables a fine control to be performed by numerical control to thus improve accuracy of light control.

Abstract: In an optical unit of a projective display device which projects light source light reflected by a DMD, one prism of TIR prisms has a first boundary surface which is arranged in parallel to an emission surface of the light source light of other prism at a predetermined distance and on which the light source light from other prism is incident and a second boundary surface which is provided to face the DMD and emits the light source light illuminating the DMD and on which reflected light from the DMD is incident. When a swinging angle of minute mirrors of the DMD is set as ±?, a refractive index of the prisms is set as n, an angle formed by the first boundary surface and the second boundary surface is set as ?, and an emission angle of the light source light with respect to the DMD in the second boundary surface is set as ?, the swinging angle ?, the refractive index n, the angle ?, and the angle ? satisfy a predetermined relation.

Abstract: An optical waveguide includes a body of optically transmissive material having a width substantially greater than an overall thickness thereof and including a first side, a second side opposite the first side, a central bore extending between the first and second sides and adapted to receive a light emitting diode, and extraction features on the second side. A light diverter extends into the central bore for diverting light into and generally along the width of the body of material. The extraction features direct light out of the first side and wherein at least one extraction feature has an extraction surface dimension transverse to the thickness that is between about 5% and about 75% the overall thickness of the body of material.

Abstract: A display panel and a display apparatus are provided. The display panel includes an image panel having pixel lines; a polarization panel which switches a polarization direction of a ray of light emitted from the image panel; and a lens which passes the ray of light provided from the polarization panel. The lens includes a first lens array which has a first birefringence characteristic, a second lens array which has a second birefringence characteristic different from the first birefringence characteristic, and which is arranged at a location to face the first lens array in an alternating manner, and a liquid crystal portion which has a same birefringence characteristic as either the first birefringence characteristic or the second birefringence characteristic, and which is filled in between the first lens array and the second lens array.

Abstract: Light flux control member has first light flux control member and second light flux control member facing first light flux control member. First light flux control member and second light flux control member both have central axes which coincide with optical axis of a light emitting element. In inclined Fresnel lens of first light flux control member, the distance from troughs between annular projections to lower side step in optical axis direction is small for outer troughs, and gradually increases for troughs closer to optical axis. According to the present invention, a light flux control member which, from among the front, side, and rear, is capable of balanced distribution of light in at least two of those directions, a light emitting device, and an illumination device can be provided.

Abstract: A lens plate and an illumination lamp which are not affected by heat from a light source even if the lens plate is small. The lens plate for an illumination lamp has the lens part covering the light source, and the lens part is formed in such a way that a concentric lens pattern is separately formed on an outer central part and an inner peripheral part so as not to be overlapped.

Abstract: A laser sustained plasma light source having a cell with a gas volume contained within the cell. At least one laser is directed into the gas volume, for sustaining a plasma within the gas volume, which plasma produces a light. Means are provided for continuously providing the gas volume to the plasma in a laminar flow. A reflector collects the light and provides the light to a desired location.

Abstract: A method for producing a laser sustained plasma light by directing at least one laser into a gas volume and igniting a plasma that produces a light. Heated portions of the gas volume are removed from the plasma and cooled. The cooled portions of the gas volume are returned to the plasma in a laminar flow. The light is collected with a reflector and provided to a desired location.

Abstract: A vehicle lamp includes a plurality of lamp units each comprising a light source and a projection lens configured to emit light emitted from the light source to the front. The plurality of lamp units form a light distribution pattern by combining irradiation regions formed by each lamp unit. At least one of the lamp units has a lens driving mechanism configured to tilt the projection lens in a vertical direction.

Abstract: A vehicle headlamp module is provided that includes a lens having a plurality of near-field lens elements, a canted input surface, an exit surface and a cavity between the surfaces. The headlamp module also includes an LED lighting module that directs incident light through the input and exit surfaces. The lens elements are configured to transmit from the exit surface a collimated light pattern containing at least 60% of the incident light. In some embodiments, the exit surface includes a step-wise pattern of optical elements. In other implementations, a headlamp assembly is provided that includes a plurality of vehicle headlamp modules. Each headlamp module includes: a lens with a canted input surface and an exit surface, a bezel surrounding the lens, and an LED light source that directs incident light through the input surface. The lens of each module includes a plurality of near-field lens elements.

Abstract: A vehicle lamp that can form a light distribution pattern required therefor effectively even with the existing DMD is provided. A vehicle lamp 1 includes a projection lens 6, a two-dimensional image forming device 10, 30 including a projection surface 11 positioned near a rear focal point F of the projection lens, and a light source 4 configured to irradiate the two-dimensional image forming device 10 with light, wherein the projection surface 11 is formed by a plurality of optical elements 12 that can be driven independently of the others, in the projection surface 11, illumination patterns 14a, 14b can be formed simultaneously and individually on a plurality of projection areas 13a, 13b, and the plurality of illumination patterns 14a, 14b are projected to the front of the lamp by the projection lens 6 so as to form a single or a plurality of light distribution patterns 20.

Abstract: In the vicinity of the outgoing-side end portion 202 of a light guide rod 20, the rear face thereof is formed into an inclined face 23 being inclined in a tapered shape toward the side face. The infrared ray having advanced toward the flat face of the outgoing-side end portion 202 is reflected by the inclined face 23. The infrared ray reflected by the inclined face 23 is refracted by the side face of the light guide rod 20 and irradiated, thereby being irradiated while being expanded toward the outgoing-side end portion 202. Hence, a bar speaker 1 can irradiate the infrared ray in a wide range beyond the width of the housing 10 thereof.

Abstract: A head lamp for a vehicle may include a reflector coupled to a light source, and reflecting light emitted from the light source, a body coupled to the reflector, and disposed in front of the reflector, a lens coupled to the body, and disposed in front of the light source, a shield formed integrally with the body, positioned between the reflector and the lens, and shutting off a part of the light emitted from the light source which is reflected by the reflector, and a signal reflective surface formed integrally with an inner circumferential surface of the reflector, and reflecting the light emitted from the light source to an upper end portion of the lens.

Abstract: An adjustable beam illuminator may provide a beam of light with an output cone angle that is adjustable (e.g., continuously adjustable) from small output angles (substantially collimated beam, “spot” mode) to larger output angles providing “flood” illumination. The illuminator may emit infrared light, for example.