Abstract: System of reflectors and base of parabolic fluorescent luminary for concentrating and guiding the light, aimed to the improving of its light output and parallel reduction of the construction cost. On the support base (1) of the electrical components of the luminary, the two of the four side walls are made of separate plastic accessories (6), which are assembled by easy and quick snapping on the main body (5) of iron sheet base (1). The plastic side walls (6) of the base (1) have specific cavities and projections (11, 12) in order to maintain a grid of parabolic reflectors (2, 3) which is separable and consists of two separate parts. The one part is the main parabolic components (2) of directing the light, which are placed under the fluorescent lamps (4), while the other is the upper cross-made the luminary independently of the main parabolic components (2). Thus, the main parabolic components (2) do not need to have openings along the lamps (4).

Abstract: An asymmetric flood light includes a reflector comprised of a hydroformed continuous metal form which defines a lamp space adapted to receive a lamp. The reflector has a forward opening for outputting light generated by the associated lamp. The reflector further includes a rear reflector section arranged rearward of the lamp space and adapted to reflect backward-directed lamp illumination forward in a crossing pattern, a forward reflector section disposed forward of the rear reflector section and adapted to reflect lamp illumination forward in a crossing pattern, and a plurality of planar surfaces that connect the forward and rear reflector sections. The hydroformed reflector is adapted to cooperate with the lamp to produce a substantially rectangular area of substantially uniform illumination that is asymmetrically disposed relative to the reflector.

Abstract: A reflector can be applicable to an operation lamp for providing light beams from a bulb through different paths and focusing along a centerline to an illuminated patch to provide a shadowless lighting. The reflector is composed of a plurality of three-dimensional curvy reflecting strips connected with one another circularly around the centerline of the lamp. The cross sections taken perpendicularly to the centerline are polygons. The sides of the polygon can be curves. The vertical sections taken along the centerline are symmetric continuous curves each composed of two to five curve portions linked together. Each curve portion is a high order mathematical function with multiple factors. The curve portions can provide light beams through different paths to the illuminated patch.

Abstract: An illumination apparatus includes a reflector including a parabolic or ellipsoidal mirror, a light source arranged near a (first) focal point of the reflector, and a front mirror having a transparent window and a mirror surface symmetrical about the light axis. Luminous flux emitted from the light source is reflected from the reflector. In the case of the parabolic mirror, the front mirror has the same size as an entrance of an output light utilizing optical system, and the luminous flux exits toward the optical system as collimated light. In the case of the ellipsoidal mirror, the front mirror is arranged between two focal points of the ellipsoidal mirror, and the luminous flux is directed toward the second focal point. However, at least one part of the luminous flux is reflected from the front mirror and returned toward the first focal point.

Abstract: A surface light source device and LCD employs a light guide plate which is capable of a three-dimensional emission direction controlling and avoids fine unevenness in brightness from appearing. Light guide plate 34 has a back face 34 provided with a great number of micro-reflectors 90 each of which has a guiding portion and a conversion output portion including a valley getting narrower and shallower as being distant from the guiding portion. The conversion output portion reflects input light P twice at inner slopes to produce inner output light Q. Inner output light Q is inner-incident to a slope of projection raw PR. While some of the inner incident light becomes directly escaping light, some other of the inner incident light fails to escape directly, reaching emission face 33 after travelling further along various light paths. Indirectly escaping light is emitted at second or later chances of emission.

Abstract: A controlled-luminance lighting device comprising a fluorescent lamp (1), which extends longitudinally between a primary reflector (2) and a secondary reflector (3). The primary reflector (2) is formed by a plurality of cup-like elements (4) set alongside one another, having a generally parabolic shape, through which there extends the lamp (1), and the secondary reflector (3) is constituted by a tray-like element with a curved surface. The primary reflector (2) further includes a tile (9), which extends longitudinally between each pair of cup-like elements (4).

Abstract: A lighting device, particularly a motor vehicle light, comprising a primary reflector (2) composed of a hollow body that defines a pair of pointed elements (4,5), which face opposite directions, between which a luminous source (1) is placed; and a secondary reflector composed of an elongated element (3) with steps (6), at whose centre the primary reflector (2) is placed with its relative pointed elements (4,5) facing the steps (6).

Abstract: An astral lamp includes a light source and a concave mirror. The concave mirror reflects light emitted by the light source and condenses the reflected light on a light source side toward an illumination area remote from the light source. The concave mirror is constituted by a plurality of concave mirror surfaces that form one parabolic mirror of revolution as a whole. The mirror surfaces respectively have curved surfaces for separately reflecting the light emitted by the light source and condensing the reflected light toward an entire portion of the illumination area.

Abstract: A luminaire reflector for light sources is provided having a reflective metal housing to be positioned around a light source, the housing being provided with a translucent or transparent upper section through which light from the light source can exit in an upward direction while light from the reflective metal housing is directed primarily downwardly through an open bottom end of the housing, an internal reflector disk is positioned around the stem area of the light source above the major light emitting portion of the light source and is held in position by spring clips which permit the disk to be held at varied positions within the housing.

Abstract: A small light-source module has a module body having a small single-point light source with a limited light-emitting angle mounted thereto, and a reflective surface provided on the module body. The light axis of the light source tilted with respect to the reflective surface, so as to create a substantially fan-shape projected light region on the reflective surface. The outer contour of the reflective surface is also substantially fan-shaped, and the reflective surface has a reflective pattern for reflecting light emitted form the small single-point light source as parallel light.

Abstract: A vehicle lamp is fitted with a reflective coated reflector which is capable of obtaining a greater center luminous intensity than conventional reflective coated reflectors. The vehicle lamp includes a light source, a reflector for reflecting light from the light source, and a front lens disposed in front of the light source. The reflective surface of the reflector is formed with a luminance reflective coating film containing aluminum flakes that are arranged so as to have a center luminous intensity of 8,000 cd or greater. An aluminum flake layer with the aluminum flakes piled up therein is formed in the surface layer portion of the luminance reflective coating film, and the aluminum flake layer forms a reflective surface for reflecting light. The aluminum flakes mixed in the luminance reflective coating film are thinner (0.01-0.06 &mgr;m thick) than the aluminum flakes (0.1 &mgr;m or greater in thickness) mixed in a conventional reflective coating film.

Abstract: A reflective surface outline 100, on which there are restrictions due to requirements from a vehicle body constitution perspective and a design perspective, is set as a basic condition for reflective surface determination, and in addition segmentation conditions and reflection conditions are set. Then, based on these various conditions, the inside of the reflective surface outline 100 is segmented along the X-axis, which is set as a segmentation axis, to produce a plurality of reflection regions, and furthermore segment surfaces 110, 121 to 151 and 122 to 152 corresponding to the reflection regions are created based on reflection angles which have been set for the reflection regions. A surface shape for the reflective surface 10a as a whole satisfying a required light distribution condition is then determined from these segment surfaces.

Abstract: A light reflector having a row of light reflecting segments separated by fold lines, wherein one segment is located at a top of the row and another segment is located at a bottom of the row. A pair of wings is connected at the sides of the row, each one of the wings including a plurality of light reflecting segments separated by fold lines, wherein at least some of the light reflecting segments of the row and at least some of the light reflecting segments of the wings form a shell-shaped arrangement wherein at least some light reflecting segments of the row and at least some light reflecting segments of the pair of wings are bent at their respective fold lines whereby the arrangement is generally curved along an imaginary line connecting the one segment and the another segment and generally curved along an imaginary line perpendicular to the first mentioned line.

Abstract: A luminaire has two oppositely positioned rows with reflectors made of separate sectors. The individual reflectors are separated by edge portions, which are positioned transversely to the longitudinal axis of the luminaire and transversely to a light emission window. The edge portions are spaced apart by a distance D, measured transversely to the longitudinal axis, of between 1 and 2 times the diameter of an associated lamp.

Abstract: An elongated light fixture configured to create patterns of light saturation which is free of shadows and spots and provides a more uniform light distribution while effecting a substantial saving in energy costs when a plurality thereof are disposed at prescribed locations and elevations. In addition, such a plurality of light fixtures will produce a higher ratio of vertical to horizontal illuminance where vertical surfaces are needed to be amply lighted. The elongated fixture is characterized by its U-shaped cross-sectional configuration which has an interior light-reflective surface comprised of a plurality of elongated parallel panels which are interconnected and extend at a prescribed angle to each other. The fixtures are also claimed in combination with a hybrid magnetic-electronic ballast to provide the above advantages.

Abstract: In a light source of a reflective type LED, a light-emitting element is mounted on the bottom surface of a concave reflecting mirror. Accordingly, light emitted horizontally from the light-emitting surface of the light-emitting element is also reflected by the reflecting mirror, so that all components of light emitting from the light-emitting element are concentrated on a region within a predetermined extent from an axis perpendicular to the light-emitting surface so as to irradiate the region. Thus, the end portion of the reflecting mirror provided in opposition to the light source need not be made close to the height of the light-emitting surface of the light-emitting element 2 in the light source. Hence, it is possible to obtain high external radiating efficiency even in the case where the reflecting mirror is provided far from the light-emitting element. Thus, the degree of freedom for designing the reflecting mirror increases, so that the reflective type light-emitting diode can be widely applied.

Abstract: Beam steering apparatus comprising an apparatus body and means in the body for generating a beam. First and second rotatable reflectors are provided for deflecting the beam in different directions, the beam being deflectable by the first reflector onto the second reflector so as to deflect the beam substantially in any direction. The apparatus is further provided with a first motor for rotating one of the reflectors and for driving a first input to a gearbox. A second motor is provided for driving a second input to the gearbox, the gearbox having an output for rotating the other reflector. The first and second motors are housed in the body. The gearbox output rotates the second reflector via a drive belt. The rotation of the first reflector induces rotation of the second reflector. The gearbox inputs and output are arranged to compensate for the induced rotation such that rotation of the second reflector by the second motor is unaffected by any rotation of the first reflector.

Abstract: A luminaire reflector formed from at least one sheet of reflective material is folded and curved by hand to form a self-standing reflector having a predetermined three-dimensional reflector shape. Each sheet of reflective material includes integral panels that are joined to adjacent panels through fold lines that allow the panels to be folded by hand. The panels have free edges that are folded and/or curved into abutting relationship. The panels include locking members and positioning tabs formed adjacent the free edges to retain the reflector in a predetermined three-dimensional reflector shape. Methods of making a self-standing reflector for a luminaire are also disclosed.

Abstract: A vehicular lamp and injection mold and manufacturing method for lamp bodies for producing a plurality of different types of vehicular lamps while resulting in a reduced cost of manufacturing due to sharing of a common injection mold. A lamp body of a tail lamp, for example, includes a reflective surface for reflecting light from a light source bulb forward and is formed with a bulb attachment hole for mounting the light source bulb constituted by an insert-molded surface. That is, part of a reflective surface of the lamp body is formed by an insert-molded surface molded with a cavity surface of an insert constituting a part of a fixed mold of an injection mold. To change to molding a different type of lamp body, it is only necessary to change the insert.

Abstract: A focused floodlight is designed to provide uniform illumination throughout an emergency scene including a work area and an action area. The floodlight includes a light line and a reflector specially configured so that half the light illuminates the work area and half the light illuminates the action area. The reflector has four sections, each of which is shaped to reflect impinging light rays in a desired direction. Each of the four sections comprises a multitude of minute, individually aimed reflector elements which are designed so that the flux increases progressively as distance from the floodlight increases.

Abstract: An illuminating module is adapted for use in a display apparatus, and includes first and second reflectors, and an omnidirectional light source. The first reflector has a hemispherical first reflecting surface and a first focal point. The second reflector has a curved second reflecting surface that faces the first reflecting surface, and a second focal point that is coincident with the first focal point. The light source is coincident with the first and second focal points. A first portion of light rays from the light source radiates toward the second reflecting surface, and is reflected by the second reflecting surface to travel along an optical axis. A second portion of the light rays from the light source initially radiates toward the first reflecting surface, and is subsequently reflected by the first reflecting surface back to the light source so as to combine with the first portion of the light rays.

Abstract: An illumination system using filament lamps including a filament lamp, a reflector having a first and second focal points, the filament lamp disposed proximate to the first focal point of the reflector to emit rays of electromagnetic radiation that reflect from the reflector and converge substantially at the second focal point, wherein a portion of the electromagnetic radiation emitted by the filament lamp impinges directly on the reflector and a portion of the electromagnetic radiation does not impinge directly on the reflector and wherein the system further includes an additional reflector constructed and arranged to reflect at least part of the portion of the electromagnetic radiation that does not impinge directly on the reflector toward the reflector through the first focal point of the reflector.

Abstract: A vehicle lamp can include a tube-like lamp element that has an aperture, a reflector having a focus located approximately at the aperture, and a front lens. The lamp can be disposed in a vehicle body space that has a small width from the front view and a small depth from a side view of the vehicle body. A blind or shade is not necessary to cover non-aesthetic portions of the lamp. The lamp can be tube-like in shape and can include an optical system that has at least two ellipse group reflecting surfaces that are combined to form a multi-reflex optical system. An aperture can be formed by the reflecting surfaces to allow light rays to be guided outside of the lamp. A light source is preferably located on a common first focus of the at least two ellipse group reflecting surfaces. One of the ellipse group reflecting surfaces can have a longer focal distance than, and a different longitudinal direction from, those of other ellipse group reflecting surface(s).

Abstract: A lamp assembly for use in the printing and coating industries has an elongate source of radiation and a reflector with an elongate reflective surface partly surrounding the source for reflecting radiation from the source down onto a substrate for curing a coating thereon. A shutter system is provided for shuttering the source to prevent radiation from reaching the substrate. The condition of the lamp assembly is monitored by shuttering the source and measuring the level of reflected radiation exiting through an aperture in the reflector.

Abstract: There has been a problem that in a head lamp with a prior constitution, an utilization factor of luminous flux with respect to a light source is low and the head lamp with brightness commensurate with power consumption can be obtained.

Abstract: In a method of determining the shape of reflective surface 10a of reflector 1 in the structure in which the basic shape is a free-formed surface 20 satisfying shape constraints or the like and in which reflective surface elements are assigned to an array of segments obtained by dividing the free-formed surface 20, evaluation and selection of the surface shape is carried out at two stages; i.e., evaluation and selection according to light incidence angles at the stage of creation of the free-formed surface 20 and evaluation and selection according to light reflecting regions at the stage of creation of a reflective surface consisting of a plurality of reflective surface elements. This reduces nonuniformity of in-surface light distribution during on periods of a lamp, in the reflective surface obtained, and thus improves design efficiency thereof.

Abstract: A reflector comprising a concave body having a first region, a second region and a third region. The first region includes first facets and the second region includes second facets. The third region has a smooth surface. The first region is separated from the second region by the third region.

Abstract: A light source device including a light-permeable cap accommodating therein a light emitting diode adapted to emit light from a top surface thereof in an axial direction. The top surface is oriented at an angle relative to the axial direction such that the light projected toward the top surface is reflected thereon and is redirected toward lateral direction or directions. A light emitting device has a disc-like globe which has opposing flat light permeable walls and within which a plurality of such light source devices are arranged along a marginal portion of the globe. The redirected light from each light source is diffused from the light permeable walls.

Abstract: This invention relates to searchlight type light devices including underwater light devices and automobile headlights. A light device in accordance with the present invention provides light beam compression along the optical axis and thus increases considerably the intensity or optical density of the beam. The light device includes a light source, a main concave reflector, and a lens projection system, the main concave reflector and the lens projection system being aligned relative to the optical axis and the light source being located between the reflector and the lens projection system, on the same optical axis. In addition, the main collecting pre-reflector lens is mounted between the light source and the main reflector, the main reflector's concave surface being implemented as a segment of sphere, and the light source being located in the focal point of such main reflector. Said main collecting pre-reflector lens has a focal length exceeding the main reflector's focal length by a factor of 1.25-2.

Abstract: A lighting apparatus is provided including a main reflector member having a primary axis and an inner reflective surface for reflecting light to an area to be illuminated; a supplemental reflector member which also serves as a socket cover, smaller than the inner surface of the main reflector member, removably attached with respect to the inner surface of the main reflector member; and a light source configured and arranged such that a portion of the light emitted from the source will be reflected by the supplemental reflector member to the inner reflective surface of the main reflector member for reflection to an area to be illuminated.

Abstract: Light distribution characteristics are defined which define a correspondence relation between the position of a reflection point on a reference plane and the position of an image of a light source. In accordance with the light distribution characteristics, a path line in the reference plane is determined. A profile curve for each of a plurality of sampling points dispersibly distributed on the path line, is determined in accordance with the light distribution characteristics, the profile curve passing through the sampling point and corresponding to the topological shape of a reflecting surface to be determined. As the reflection point moves along the profile curve, the image of the light source moves in the direction crossing the reference plane in accordance with the light distribution characteristics. The topological shape of the reflecting surface is determined in accordance with the profile curve determined for each sampling point.

Abstract: A light, wherein the light distribution formation is executed by a first reflection surface made of one of right and left, or upper and lower halves to the optical path of the same direction as the light front direction, a light source disposed near the focus of said first reflection surface and mounted with it's bulb central axis inclined to the first reflection surface side in respect to the light front direction, a second reflection surface made of one of right and left, or upper and lower halves opposed in the closing direction to said first reflection surface in the form of partly open bivalve across this light source and having the focus near said light source, and a third reflection surface disposed outside said first reflection surface and reflecting the light reflected from said second reflection surface to the light front direction.

Abstract: A projector-type headlamp having an improved external appearance when viewed from the front of the lamp, even when the projector-type headlamp is incorporated in a substantially vertically rectangular lamp body. The headlamp includes a pair of auxiliary reflectors 34A and 34B for reflecting light, from a light source 22, forward without passing the light therefrom through a focusing lens 28. The auxiliary reflectors are respectively provided on both vertical sides of a reflector 24 in such a way that, on the whole, the contour of the pair of auxiliary reflectors, when viewed from the front of the lamp, looks vertically rectangular. Consequently, a lamp unit 20 observed in a turned-on condition appears brighter in design than simply dimly lit as before, and when incorporated in the whole lamp, there is no feeling of wrongness between the reflector and the focusing lens.

Abstract: A luminaire, of the ceiling-mounted type or of the type for recessed fitting in ceilings and walls for interior lighting, comprising a hollow body which is shaped like a paraboloid and forms a back on an upper part and an opening on a lower part, the body accommodating a light source in its internal cavity; the internal surface of the body is divided into sectors which form receptacles that can be engaged detachably by a plurality of reflective laminar elements in order to form various hues, chromatic compositions and/or light distributions.

Abstract: A lamp having a multi-reflex optical system can include a first ellipse group reflector and a third ellipse group reflector each sharing one light source at a first focal point, with a second focal point of the first reflector being above its first focal point and a second focal point of the third reflector being positioned below its first focal point. A parabolic group second reflector can be positioned above the first reflector and can have a focal point located at the second focal point of the first reflector. A parabolic group fourth reflector can be positioned below the third reflector and can have a focus at the second focal point of the third reflector. Light from the light source that is converged by the ellipse group first reflector and third reflector is then supplied to the parabolic group second and fourth reflectors to provide a bright oblong headlamp.

Abstract: A variable focus indirect lighting fixture has a pair of first reflectors with each reflector arranged to substantially surround a light source, and a second variable focus reflector positioned in front of the first reflectors. Each of the first reflectors has an opening arranged to provide direct rumination from the light source. The second reflector is positioned in front of each opening of the pair of first reflectors to receive and reflect the lumination from each light source passing through each opening. The second reflector has a pair of inner, concave surfaces arranged such that each inner surface faces a respective opening of the first reflectors and is arranged to receive and reflect the lumination from the respective light source passing through the opening of each of the first reflectors. The inner surfaces are aligned along a center line of the second reflector between the pair of first reflectors.

Abstract: A combination light assembly includes a light source within a casing that is detachably mounted to a housing with a quick connect assembly. The housing has a curved rear wall and a front area having an upper opening and a lower opening. The casing is mounted to the housing so that the light source will emit light into the housing through the lower opening for reflection off the curved rear wall and out the upper opening. The quick connect assembly comprises posts extending from the casing and connector plates positioned behind attachment openings in a framework that encloses a portion of the front area. The connector plates have flex openings that expand to engage the posts. The casing is attached by moving the posts through the attachment openings and into the flex openings.

Abstract: A light guide is disclosed having a critical angle, wherein light enters the light guide in an input direction. A reflector reflects light using total internal reflection in a lateral direction. A second reflector reflects light using total internal reflection in a second lateral direction. A third reflector reflects light from the lateral direction upward. A fourth reflector reflects light from the second lateral direction upward.

Abstract: A vehicle headlamp comprises a reflector and a horizontal light source oriented transversely to an optical axis of the reflector. The headlamp is arranged to give an American passing beam, i.e. a cut-off beam which is delimited by two half planes at different heights. The reflector is divided into sectors. The orientation of one of these sectors is obtained geometrically by rotating the sector about a horizontal axis transverse to the optical axis, from a position in which the sector is continuous with adjacent sectors, into a position in which that sector will generate images situated at the limit of the higher of the two half planes delimiting the cut-off line.

Abstract: A vehicle light can include a light source, at least one first elliptic group reflecting surface shaped as half of an elliptical surface (after either an upper or lower substantial half of the substantial ellipse is cut-off). The first elliptic group reflecting surface can have its longitudinal axis on an optical axis of the vehicle light, and a first focus located in the vicinity of the light source. Two second elliptic group reflecting surfaces can be provided that are shaped as substantial halves of elliptical surfaces (after either upper or lower substantial halves of substantial ellipses are cut-off). The second elliptic group reflecting surfaces can have longitudinal axes that are substantially perpendicular to the optical axis of the vehicle light, and their first foci can be located in the vicinity of the light source.

Abstract: A reflecting mirror, for a vehicle headlamp, which provides a sufficient amount of light near a slant cutoff line in downward-beam light distribution, thereby improving visibility in a long-distance region and a medium-distance region. The reflecting mirror has at least a first reflecting area and a second reflecting area. For a first reflecting area (10B—close to a horizontal reference face (x-y plane) when a reflecting face (10) is viewed from an optical axis direction—a reference curve is set in a slant reference face inclined to the horizontal reference face at an angle equal to an angle (&thgr;col) of a slant cutoff line with a horizontal line.

Abstract: A vehicle light can include a single light source and be capable of switching between low-beam mode and high-beam mode by moving a movable portion. The vehicle light can also include a first reflecting surface, a projection lens, and a shutter selectively insertable in the luminous flux from the first reflecting surface to the projection lens. The vehicle light can further include a second reflecting surface having a first focus and a second focus, a third reflecting surface having a first focus and second focus, a fourth reflecting surface having a focus approximately on the second focus of the second reflecting surface, wherein when the third reflecting surface is located in its inserted position relative to luminous flux between the second reflecting surface and the fourth reflecting surface, the first focus of the third reflecting surface is substantially on the second focus of the second reflecting surface. The movable portion can include the shutter and the third reflecting surface.

Abstract: A strobe unit includes a light source carried by a reflector. The reflector has a plurality of reflecting regions arranged around the light source, each reflecting region including a partial parabolic section extruded linearly in a first direction, and a plurality of parabolic aiming sections extruded to a point and arranged between adjacent partial parabolic sections. The parabolic aiming sections are arranged to direct light from the light source substantially in a radial plane substantially parallel to the first direction. The reflector can also include a planar section arranged between the partial parabolic section and the parabolic aiming sections.

Abstract: The lighting device for a vehicle has a light fixture compartment whose interior is formed by a light housing and a transparent cover panel. A reflector is arranged in the interior and is formed by optical faces arranged on the side of the wall section facing the cover panel; on their outside these optical faces have a reflective layer. An area of the cover panel which is free of optical faces is provided for the reflector.

Abstract: A reflector for projection systems and spot (image projecting) luminaires is molded in separate sections and then assembled into a unitary reflector. Forming the reflector in separate sections reduces the amount of contact surfaces between the reflector and the mold die which in turn substantially reduces the risk of damage or breakage of the reflector section. Each reflector section includes alignment features to assure correct alignment of the sections upon assembly. The reflector sections are formed with edges that mate with edges of an adjacent reflector section along seams to prevent light from showing through the seams. The mating edges preferably include light-blocking features formed by a geometric shape along the seams.

Abstract: A reflector structure is provided for improving irradiation uniformity of a linear lamp array applied in a semiconductor process. The reflector structure includes a central reflector, two side reflectors, and two inclined reflectors. The central reflector is horizontally set above the linear lamp array at a first predetermined distance from a wafer for reflecting light irradiated from a central part of the linear lamp array to the wafer. The two side reflectors are horizontally set above the linear lamp at a second predetermined distance to the wafer, wherein the second predetermined distance is less than the first predetermined distance, and respectively connected to two opposite side parts of the central reflector for reflecting light irradiated from side parts of the linear lamp array to the wafer.

Abstract: A lighting system includes a housing with a rear plate and upper and lower plates extending forwardly and with side plates extending forward coupling the upper and lower plats and with a cover essentially parallel with the rear plate to define a chamber there within. A light source is formed in a generally cylindrical configuration within the chamber. The light source has an axis within a horizontal plane. A reflector includes a lower component in a semi-circular configuration with an axis of rotation coextensive with the xis of the light source. The lower component also has upper ends terminating at the horizontal plane, a forward edge adjacent to the cover, and a rearward edge adjacent to the rear plate. The reflector has an upper component extending upwardly and forwardly from the rearward edge of the lower component in a parabolic configuration and terminating above and forwardly of the forward edge.

Abstract: A light reflector apparatus using an illumination optical fiber to produce a uniform illumination pattern is disclosed. By controlling the propagation of light in the core and cladding regions of an optical fiber, uniform light emission along the length of the fiber can be achieved. Using the illumination fiber as a light source in an open cusp reflector assembly provides for uniform dispersion of the emitted light over the exit faces of the reflector.

Abstract: A lighting unit with a reflecting mirror to prevent irradiation nonuniformity on an irradiated surface, produced by arranging a bulb as a light source in a funnel-shaped reflecting mirror having a reflecting surface and by arranging a plurality of fine reflecting surfaces on the reflecting surface non-radially and non-concentrically without clearance. Preferably the fine reflecting surfaces appear to be a honeycomb, and are formed substantially the same size of 0.01-5 mm long, 0.01-5 mm wide.

Abstract: A reflective surface 10a of a reflector 1 in a vehicle lamp is formed in such a way that a free-formed surface 20 is created as a basic shape so as to satisfy light uniformity out of functional conditions and thin shape as a shape condition and that a reflective surface element 14 created so as to satisfy light diffusibility out of the functional conditions and transparency as an appearance condition is assigned to each of segments obtained by dividing the free-formed surface 20 into an array pattern. Particularly, the free-formed surface 20 or the reflective surface 10a is created so that luminous exitances M specified in a direction along the optical axis satisfy the condition of Mmax/Mmin≦6, whereby the above conditions can be suitably substantiated.