Abstract: A low upright cutoff classification acorn style luminaire is described. The acorn style luminaire has a globe which has a top positioned thereon and which is mounted to a pole. Integrated within the luminaire is the lamp support and lamp, the lamp substantially surrounded and enclosed by a reflector. The interior surface of the globe has a plurality of substantially vertically extending prisms along a curved surface thereof, the prisms working in conjunction with the reflector to provide cutoff classification for the acorn style luminaire.

Abstract: The illumination optical system of the present invention guides a luminous flux from light source 11 to display element 20 modulating the luminous flux irradiating display surface 20a according to an image signal, and causes the luminous flux to be incident on display surface 20a at an inclination with respect to the surface normals of display surface 20a. This illumination optical system includes: light tunnel 12 uniformizing an illuminance distribution of the luminous flux incident from light source 11 and emitting the beam; first lens 13 for forming an image of output end 12b of light tunnel 12 on display surface 20a of display element 20; and prism element 19 that is arranged on the optical path between emitting surface 12b of light tunnel 12 and first lens 13 and where incident surface 19a and emitting surface 19b for the luminous flux from light tunnel 12 are formed so as to be planes nonparallel to each other.

Abstract: The present invention relates to a side illumination lens and a luminescent device using the same, and provides a body, a total reflection surface with a total reflection slope with respect to a central axis of the body, and a linear and/or curved refractive surface(s) formed to extend from a periphery of the total reflection surface; and a luminescent device including the lens. According to the present invention, a lens with total internal reflection surfaces with different slopes, and a linear and/or curved refractive surface(s) allows light emitted forward from a luminescent chip to be guided to a side of the lens. Further, a linear surface(s) formed in a direction perpendicular or parallel to a central axis of a lens and a curved surface are formed on an edge of the lens so that a process of fabricating the lens is facilitated, thereby reducing a defective rate and fabrication costs of the lens.

Abstract: A light-directing apparatus for off-axial preferential-side distribution of light from a light emitter having an emitter axis, including a lensing member positioned over the light emitter a shield member embedded within the lensing member in a position in the path of light emitted toward a non-preferential side. The lensing member having a proximal end substantially transverse the emitter axis and an outer surface configured for refracting light from the emitter. The shield member may be snugly received in a shield-receiving void of an inner surface of the lensing member. Alternatively, the shield member is embedded by the lensing member having been molded thereabout. Another aspect of this invention is a lighting fixture utilizing such light-directing apparatus.

Abstract: A light diffusing plate integrally formed with an optical element array on the front and rear surfaces thereof, and a direct lighting device having this light diffusing plate installed on a light reflection plate having a box type shape and provided therein with a light source, whereby a light diffusing plate and a thin direct lighting device are provided which eliminate luminance non-uniformity among a number of light sources (inter-light-sources distance) at a practical level (making luminance uniform), and realize higher luminance (delivering luminance equal to that when conventional prism sheets are laminated).

Abstract: A highly efficient luminaire is provided. The luminaire includes a light source that emits light. The emitted light is redirected by a light transformer having a curved circular reflective interior surface, the reflective interior surface reflecting the light in a predetermined pattern. A substantial amount of light being may be reflected close to an axis coincident with a radial line defining a radius of the circular reflective interior surface. Additionally, a substantial amount of light may be reflected in a pattern with low divergency or parallel with an axis of the light transformer. The light is transmitted to the exterior of the luminaire by an optical window.

Abstract: A lens assembly (4) comprises a body (6) formed from a transparent material. The body (6) is mounted on an LED chip (8) comprising an LED (10). The LED (10) is disposed in a recess (12) formed in the body (6) such that the LED 10 is positioned on the longitudinal axis Z of the lens assembly (4). A convex lens (14) is formed in the aperture (12). The outer surface (16) of the lens assembly (4) comprises a plurality of flat surfaces in concentric rings that form a plurality of optical steps (18). The length of the respective steps increases towards the base (7) of the body (6). A central dimple (20) is disposed on axis Z. The dimple (20) prevents a black spot appearing when the lens assembly (4) is viewed along axis Z.

Abstract: An LED illumination system comprising an LED light source (3) which emits light (8) in a main direction (9) and a first optical element (1), a second optical element (2) is arranged downstream of the first optical element (1) in the main direction (9), and the second optical element (2) has on a light entrance surface (6) which faces the LED light source (3) a surface structure (4) that comprises a plurality of pillow-shaped prominences (5).

Abstract: An apparatus comprises a light source, preferably an LED, a reflector, a light-conducting element mounted on the light source for directing light from the light source to an end of the light-conducting element, and a lens mounted on the end of the light-conducting element for directing light into a central beam. Light from the light source is directed to the reflector into a peripheral beam. The central and peripheral beams comprise substantially all of the light generated by the light source. The lens is in effect mounted on a pedestal above the LED. The pedestal transmits all the light rays in the central solid angle to the lens without loss.

Abstract: The present invention relates to a side illumination lens and a luminescent device using the same, and provides a body, a total reflection surface with a total reflection slope with respect to a central axis of the body, and a linear and/or curved refractive surface(s) formed to extend from a periphery of the total reflection surface; and a luminescent device including the lens. According to the present invention, a lens with total internal reflection surfaces with different slopes, and a linear and/or curved refractive surface(s) allows light emitted forward from a luminescent chip to be guided to a side of the lens. Further, a linear surface(s) formed in a direction perpendicular or parallel to a central axis of a lens and a curved surface are formed on an edge of the lens so that a process of fabricating the lens is facilitated, thereby reducing a defective rate and fabrication costs of the lens.

Abstract: A direct light type backlight unit having a structure in which divided luminance areas are sequentially turned on and off and a liquid crystal display device employing the backlight unit are provided. The backlight unit includes: a base substrate; a plurality of point light sources arranged in a plurality of lines and mounted on the base substrate; and a reflector sheet vertically formed between lines of the point light sources, reflecting light emitted from the point light sources.

Abstract: Compact illumination systems, particularly for aircraft, use efficient beam forming optical light emitting diode arrangements combined with beam turning and beam splitting prism optics and optional aspheric reflectors to direct light in a cross cabin or cross bin lighting application. The LED based compact illumination devices are positioned to shine on opposite storage/stowage bins without being directly visible to a passenger. The devices are effective for illuminating ceiling structures as well as across the aisles of a passenger cabin, thus creating a cross-bin lighting system.

Abstract: The light generation device contains a bowl-shaped reflection member for light focusing, a gas-discharge light bulb inside the reflection member, and a lens element positioned on the light bulb blocking the light beams emitted towards a front opening of the reflection member. In one embodiment, the lens element has a curved front surface so that incident light beams are refracted and redirected toward a focus point of the reflection member. In another embodiment, the lens element has a curved back surface of a specific curvature so that light beams traveling towards the lens element are reflected and redirected towards the reflection member which in turn are reflected again and focused by the reflection member.

Abstract: An optical module for projecting a light beam comprises a solid body of transparent material into which a light source is sunk and which is delimited by an annular surface and by a central surface, and a substantially annular reflecting surface arranged around the solid body. The central and annular surfaces are suitable for receiving respective distinct portions of the luminous flux produced by the source. The reflecting surface may have a reflecting coating or may form part of a transparent body, in which case it works by total internal reflection. The reflecting surface reflects a portion of luminous flux refracted by the annular surface and shapes the flux into a predetermined distribution of luminous intensity about the principal axis. The annular surface is designed in a manner such as to reduce the overall thickness of the module by moving the refracted ray away from the principal axis.

Abstract: In a Fresnel lens which is made of a lens material whose refraction index is n, and focuses light beam from a light source at a specified radiation view angle ?, and has plural N pieces of circular lens surfaces arranged concentrically around a common optical axis, and plural circular rise surfaces arranged adjacent alternately between these lens surfaces, and two lens surfaces adjacent via at least one of the rise surfaces are concave surfaces, and tangent lines and at the intersecting point with the rise surfaces of the shape of a cross section passing through the optical axis of those lens surfaces intersect at the outside with respect to the optical axis, and when the angle formed between these tangent lines is defined as ?, a relational equation ???/(2 n N) stands.

Abstract: An optical device for collecting and distributing light from a quasi point light source which includes a planar light guide having surfaces through which optical axes are periodically spaced. There is at least one quasi point light source, the optical axis of each being coincident with the optical axes of the surfaces. There is also at least one optical element depressed within the edges or adjacent surfaces of the light guide at least partially rotated about the optical axis, and having a focal point at the quasi point light source.

Abstract: A light projection device of a stack of at least 2 LED light projection modules. Each module shares a common optical axis and each includes an LED at least partially surrounded by an off-axis collimating optic and each projects a radially collimated canted beam towards and onto. There is a refracting plate for redirecting and changing the angle in respect to the optical axis of at least one of the radially collimated canted beams.

Abstract: Optical devices for guiding illumination are provided each having a body of optical material with staircase or acutely angled ramp structures on its top surface for distributing light inputted from one end of the device from the front exit faces of such structures along certain angular orientations, while at least a substantial portion of the light is totally internally reflected within the body until distributed from such front exit faces. Optical devices are also provided each have a body of optical material having a bottom surface with acutely angled ramp structures and falling structures which alternate with each other, such that light is totally internally reflected within the device until reflected by such ramp structures along the bottom surface to exit the top surface of the device or transmitted through the ramp structures to an adjacent falling structure back into the device.

Abstract: An illuminator includes a light guide having a circular cross-section, a scatterer that is provided on a portion of the circumference of the circular cross-section and that radiates scattering light toward the inside of the light guide, and a condensing lens that condenses light emitted from the light guide and transforms the light into a linear beam, a planar beam, or a point-like beam. In the illuminator light from the light source is effectively utilized, and the light can efficiently illuminate the required illumination area. In addition, an image reader apparatus can perform high-speed reading using such an illuminator.

Abstract: A backlight module (20) includes a light guide plate (23), a reflecting member (21) and a plurality of light source (22). The light guide plate has a light incidence surface (231) and a light-emitting surface (232) opposite to the light incidence surface. The reflecting member faces the light incidence surface of the light guide plate. The light sources are arranged between the reflecting member and the light guide plate. The light guide plate defines a plurality of hollow structures (25) therein corresponding to the light sources and has a plurality of microstructure units (27) defined on the light incidence surface corresponding to the light sources.

Abstract: Directivity of light beams can be adjusted appropriately relative to the normal to the light emission surface of a light source. Thus, the light source apparatus has high brightness without significant unevenness in illumination with its simple structure. The light source apparatus comprises a light source substrate on which plural light sources are arranged, a secondary light source member on which a secondary light source surface is formed when it receives light from the plural light sources, and frame that supports the light source substrate and the secondary light source member from their lateral sides so that they are opposed to each other. At least a pair of side surfaces of the frame has reflection surfaces opposed along the arrangement direction of the plural light sources, and the reflection surfaces that the pair of side surfaces has are inclined to the same direction relative to the light source substrate.

Abstract: A side-emitting lens for use with an LED lamp provides a distribution of emitted light that is substantially normal to an axis of symmetry of the lens; the light can also be symmetrical with respect to a plane normal to the lens axis. The lens has a cavity in which the LED lamp can reside, having a cavity refracting surface with a central section and a stepped cavity sidewall. The lens also has a base external refracting surface surrounding the cavity, an internal reflecting surface spaced apart from the cavity, and a side surface; these surfaces redirect light that enters the lens through the cavity refracting surface. For many applications, the lens axis is vertical in service and the lens is configured to provide a narrow distribution of light in the horizontal plane.

Abstract: A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The optical system manipulates light emitted by a planar array of electrically-interconnected LED chips positioned within the input apertures of a corresponding array of shaped metallic reflecting bins using at least one of elevated prismatic films, polarization converting films, micro-lens arrays and external hemispherical or ellipsoidal reflecting elements. Practical applications of the LED array illumination systems include compact LCD or DMD video image projectors, as well as general lighting, automotive lighting, and LCD backlighting.

Abstract: Illumination configurations employ optical elements configured to organize divergent light from an LED light source into collimated beams having a direction perpendicular to an optical axis of the LED. Alternative optical elements organize light from a row of LEDs into planes perpendicular to a plane including the optical axes of the LEDs. Pairs of optical elements are configured to define a cavity for receiving an LED. One optical element may be employed to organize approximately one half of the light generated by the LED, with the remainder being permitted to radiate from the LED in its usual pattern.

Abstract: A backlight unit (110) according to the present invention includes: a light source (102) for emitting light; a light guiding member (103) for receiving light emitted from the light source (102) at an end face (103c), and propagating the received light in a first direction (P); a prism sheet (104) disposed at the front face (103a) of the light guiding member (103); and a reflection section (105) disposed at the rear face (103b) side of the light guiding member (103), and the reflection section (105) has a reflection surface (105a) for light being emitted from the rear face (103b) of the light guiding member (103) and having a component in the first direction, the light being reflected toward the rear face (103b) of the light guiding member (103) as light having a component in a second direction which is the opposite direction to the first direction.

Abstract: A headlamp module for a motor vehicle. The module includes a light source and a translucent member for internally reflecting the light rays so as to be directed. In one aspect of the invention, the light source is discretely positioned adjacent to a periphery defined by the exit surface so as to be directly hidden from view from the front of the vehicle. In another aspect, an outer surface of the light source is directly supported by the translucent member so that light rays emitted through an outer surface of the light source directly enter the translucent member.

Abstract: A light fixture or troffer for directing light emitted from a light source toward an area to be illuminated, including a reflector assembly within which the light source is positioned and a lens assembly detachably secured to a portion of the reflector assembly such that a lens of the lens assembly overlies the light source and such that substantially all of the light emitted from the light source passes through the lens assembly. In one aspect, the reflector assembly defines a plurality of air slots.

Abstract: A method and apparatus are disclosed for receiving light from one or more light sources, each of which comprises a substantially point-like light source. The received light is them emitted over an extended surface area including a first surface of an optical controller arranged to refract light received from at least one light source, a second surface of the optical controller arranged to reflect the light received from the first surface of the optical controller, the first surface and the second surface being arranged with respect to each other to enable total internal reflection of the light reflected from the at least one light surface, and a plurality of reflection elements located within the optical controller arranged to alter the path of the light traversing the optical controller so as to direct light out of the optical controller.

Abstract: A lighting device can include a light source in line and a reflector behind the light source. In front of the light source, a transparent inner lens and a transparent outer lens can be provided with a gap formed therebetween. The shape of the lens can be defined by bending a plate member so as to have a projection portion that surrounds or opens towards the light source. The inner lens and the outer lens can each have a flat part at a position opposite the light source and in the illumination direction. When observed from different positions, the light source can appear as if it is displaced or deformed.

Abstract: A light collective optical system includes a single optical member having a first reflecting surface and a second reflecting surface. In this case, the first reflecting surface partly has a first transmissive-refractive surface and the second reflecting surface partly has a second transmissive-refractive surface. The first transmissive-refractive surface and the second transmissive-refractive surface are nearly coaxially arranged. Whereby, it is possible to provide the light collective optical system which is capable of illuminating an object to be illuminated with high illuminance and is compact and a light source device using the light collective optical system.

Abstract: In an illumination apparatus, an optical element has an exit surface in which an inclination to a perpendicular to an irradiation optical axis in a first area is greater than that of a second area, and the inclination of the first area gradually increases in order from the irradiation optical axis, an intermediate part and a periphery of the exit surface. The first and second areas are defined as those divided by an interface surface that includes an irradiation optical axis and is orthogonal to a plane that is orthogonal to a longitudinal direction of the light source. A first reflective surface reflects first light to the intermediate part in the first area. A second reflective surface reflects second light to the periphery in the second area.

Abstract: A near field lens for an automotive light assembly which has a reduced thickness. Generally, the near field lens includes a main body of light transmitting material. A pocket is formed in the main body for receiving light from a light source. The pocket is defined by an inner radially facing surface and an inner axially facing surface. The inner radially facing surface is structured to reduce the thickness of the lens.

Abstract: An LED package having a dual structure for lateral emission of light includes an LED chip, a lower structure, a lower lens and an upper lens. The lower structure includes a pair of electric connection parts, a package body, and a transparent encapsulant filled in the recess of the package body to seal the LED chip. The upper-hemispheric lower lens is fixed to an upper part of the lower structure with a bottom part thereof attached to an upper surface of the transparent encapsulant. The funnel-shaped upper lens is fixed to an upper end of the lower lens, and includes an axially symmetrical reflecting surface for laterally reflecting light from the lower lens, and an emitting surface for laterally emitting light reflected from the reflecting surface. The upper lens and the lower lens are separately molded and combined together to easily manufacture and efficiently install the LED package.

Abstract: Headlamp optical module for a motor vehicle comprising, disposed along an optical axis: an elliptical-type reflector with at least one light source placed in the vicinity of a first focal point of the reflector; a converging lens placed in front of the reflector and admitting a focal point located in the vicinity of the second focal point of the reflector; and a light recovery means suitable for collecting a portion of the flux from the source and for sending it forward. An ellipsoid-type reflector is provided at the front, in the upper portion of the module, this reflector focusing a portion of the rays issuing from the source in the vicinity of a second focal point located at the front, lower than the focal point of the lens, and the light recovery means has an input face, in proximity to which is located the second focal point of the ellipsoid-type reflector.

Abstract: A prism sheet for emitting an incident light in an even distribution state of light quantity even in the case of using an irradiating light source such as a point light source having an emission of narrow band. A display device for deflecting and displaying the light from the light source evenly and efficiently without deteriorating the display quality by applying the prism sheet thereto. A prism sheet for deflecting and emitting a light introduced into a transparent substrate, with a prism formed on the substrate. The prism sheet includes: a circular prism having a plurality of annular grooves arrayed concentrically from a center axis; and a radial prism having a plurality of straight grooves arrayed radially from the center axis.

Abstract: An illumination optical system, an illumination unit, and an image projection apparatus employing the same are provided. The illumination optical system includes a light source irradiating a diverging light, a reflection optical system condensing the diverging light from the light source, and a lens optical system projecting the light condensed by the reflection optical system. The reflection optical system is comprised of an aspherical concave mirror. The lens optical system comprises a condensing lens having a positive refractive power in a central part and a refractive power of the condensing lens being decreased toward a circumferential part. Optical efficiency may be improved even when a light-emitting surface of the light source is relatively large and the light source cannot be regarded as a point light source.

Abstract: The invention relates to a lighting unit having at least one light source and at least one light guide following the source and at least partially surrounding it, said light guide including at least one light exit surface facing away from the source and at least approximately located centrally, surrounded by at least one externally located light exit surface. In addition, at least one externally located light exit surface comprises a plurality of surface elements adjacent to each other with or without offset. These surface elements are surface regions of curved solids. With the present invention, a compact lighting unit is developed that makes possible a uniformly high yield in a preassigned target region.

Abstract: A lens assembly for use with a light source and including an inner lens and a light directing portion. The inner lens collects light rays from the light source through a light-collecting face and emits at least a portion of the light rays radially through a series of collimators. The light directing portion may be an outer lens having light-collecting faces and light-distributing faces. The light-collecting faces correspond with the collimators and distribute the light rays through light-distributing faces. The light direction portion may alternatively be an outer reflector. The reflector has a plurality of light-reflecting surfaces, corresponding to the collimators, and configured to reflect the light rays emitted from the collimators.

Abstract: A light guide assembly includes a base and a light source that are removably secured to the base. The light source is oriented to emit light out and away from the base. A light distributor is spaced apart from the light source and distributes the light across the light guide assembly. The light distributor includes a primary reflection surface with a plurality of transmission elements extending out from the primary reflection surface therealong to allow a portion of the light to pass through the transmission elements of the primary reflection surface without being reflected by the primary reflection surface. This facilitates the creation of a uniform beam of light being emitted by the light guide assembly.

Abstract: Rearview assemblies for a vehicle are provided. The rearview assembly includes a housing coupled to a mounting structure that is configured to be mounted in a vehicle. The housing includes a rearward viewing means, and also includes a lamp subassembly. The lamp subassembly includes a single white LED device mounted to a substrate, and also includes an optical assembly with secondary optics for reflecting and refracting light emitted from the LED such that the emitted light forms two separate pools of light external to the rearview assembly. In an alternate embodiment, the lamp subassembly is included in a mounting structure for a vehicle rearview assembly. In still another embodiment, a vehicle optical accessory is provided, in which the vehicle optical accessory has one LED that provides two separate pools of light external to the vehicle optical accessory.

Abstract: A light guide plate (10) includes a pair of opposite incidence surfaces (101, 103), an emission surface (108) and a bottom surface (109) opposite to the emission surface. A plurality of dots (11) is distributed on the bottom surface, and each dot is shaped as a rectangle or a square with two cutouts formed at two opposite sides thereof respectively. Thus, a clearance between adjacent dots is relatively small. That is, a distribution of the dots is relatively compact, and this ensures that the light guide plate can provide emission of light beams with good uniformity. Furthermore, adjacent rows of dots are offset, and this can avoid bright lines. Thus, the light guide plate can provide improved display quality. Therefore, the light guide plate can be advantageously applied in back light systems of liquid crystal display devices.

Abstract: A compact and efficient optical illumination system featuring planar multi-layered LED light source arrays concentrating their polarized or un-polarized output within a limited angular range. The optical system manipulates light emitted by a planar light emitters such as electrically-interconnected LED chips. Each light emitting region in the array is surrounded by reflecting sidewalls whose output is processed by elevated prismatic films, polarization converting films, or both. The optical interaction between light emitters, reflecting sidewalls, and the elevated prismatic films create overlapping virtual images between emitting regions that contribute to the greater optical uniformity. Practical illumination applications of such uniform light source arrays include compact LCD or DMD video image projectors, as well as general lighting, automotive lighting, and LCD backlighting.

Abstract: An illuminator includes a light guide having a circular cross-section, a scatterer that is provided on a portion of the circumference of the circular cross-section and that radiates scattering light toward the inside of the light guide, and a condensing lens that condenses light emitted from the light guide and transforms the light into a linear beam, a planar beam. or a point-like beam. In the illuminator light from the light source is effectively utilized, and the light can efficiently illuminate the required illumination area. In addition, an image reader apparatus can perform high-speed reading using such an illuminator.

Abstract: A lighting device that provides a surface that uniformly projects light from single or multiple light sources. It also provides a lighting device that minimizes the number of optical components between the light source and the viewer so as to increase efficiency. It further provides an efficient light projecting surface that can be produced in large sizes, as well as a modular system of components that can be assembled in varied sizes and shapes. Various lighting sources may be used including quasi-point light sources and linear light sources and these light sources may also be used together.

Abstract: The invention relates to a device for adjusting light intensity for discharge lamp projectors with an optical assembly that contains a spherical mirror and a discharge lamp, and a Fresnel lens provided in front of the lamp of the optical assembly. The device is characterized in that an iris diaphragm (5) is provided on the optical assembly, in front of the lamp, in correspondence with the focus of the optical assembly.

Abstract: Exemplary embodiments of the present invention include a light source unit in which only a small number of components are required, the shapes of the corresponding components are not complicated, a lens is fixed and hence good workability is achieved, and lowering of an illumination intensity of the light source unit while avoiding occurrence of displacement between an optical axis of an elliptic reflector integrated in the light source unit and an optical axis of a collimator lens is reduced or prevented.

Abstract: A lamp can include LED lamps as a light source. An optical guide path including a first reflecting surface and a second reflecting surface can be provided between the LED lamp and a lens that radiates an illumination light. The optical guide path can be integrally composed of a high-refractivity material. Thus, the light passing through the optical guide path can more efficiently reach the lens. In addition, the integral optical guide path requires less assembly and thus can improve accuracy of assembly and can possibly result in a large gain in the amount of light emitted from the lamp.

Abstract: A lighting system and device for providing indirect light using free-cavity, double-diffusing configurations are disclosed. In accordance with the embodiments of the invention, a lighting fixture comprises a cover structure with a diffusion layer and a reflective plate that form the free-cavity. The free-cavity is preferably configured to provide an output of light from a light source positioned within the free-cavity with an efficiency rating of 70% or more and provide better than an 8:1 ceiling lighting contrast between the rows of fixtures with rows on 16 feet spacing. Further, in accordance with a preferred embodiment of the invention, a device is configured to couple to a ceiling structure and provide the indirect lighting from a fluorescent light source.

Abstract: A lighting system for illuminating artwork includes a housing; a lamp mounted within said housing and including a halogen bulb and a reflector, said reflector having a dichroic coating; a linear spread lens positioned in front of said lamp and having an etched portion covering less than one hundred percent of a first surface of said lens; and a door associated with said housing and defining an opening therein, said opening having a flattened portion and a rounded portion, said linear spread lens positioned over said opening, and the light emitted by the lighting system being directed through said linear spread lens and said opening. The resulting lighting system produces safe light diffused evenly substantially over the entire surface of a piece of artwork.

Abstract: A vehicular lamp in which a luminous flux utilization factor is enhanced by a structure of a light-emitting element that is disposed to face forward with respect to a vehicular lamp and covered from its front side with a translucent member. The circumferential region of the translucent member forms a reflected light control portion that allows light from the light-emitting element which has impinged on the translucent member to be internally reflected by the rear face of the translucent member and turned into parallel light which travels forward, and the reflected light control portion further allows the parallel light to emit forward from the front face of the reflected light control portion.