Abstract: There is provided a discharge lamp lighting apparatus including a dimmer circuit which is provided with a control means to dynamically adjust screen brightness according to an input signal, and a control means to adjust screen brightness based on a user's operation. The dimmer circuit includes: an amplitude adjusting circuit to superpose a first dimming control signal composed of a DC voltage onto a second dimming control signal composed of a pulse width modulation signal; an integration circuit to integrate an output of the amplitude adjusting circuit; and a comparison circuit to compare an output of the integration circuit with a triangular wave having a predetermined frequency thereby generating a dimming signal, wherein a burst dimming mode is performed according to the dimming signal.

Abstract: A compact PAR lamp (10) has a hollow body (12) arrayed along a longitudinal axis (14) and has an open end (16) and a substantially closed neck end (18) and containing a light source capsule (20) within the hollow body (12) and coaxial with the longitudinal axis (14). The light source capsule (20) has electrical lead-ins (22, 24) that extend therefrom and exit via the neck end (18). A first parabolic reflector (26) is formed within the body (12) and has a wide portion (28) adjacent the open end (16) and a narrow portion (30) spaced therefrom along the longitudinal axis (14). A second reflector (32) is formed within the body (12) and extends from the narrow portion (30) into the neck end (18). A lens (34) closes the open (16), and a base (36) is attached to the closed neck end (18).

Abstract: A reflector lamp having a concave reflector with a base at one end and a lens at an opposite end. A discharge lamp having a fill of or forming salts maintained by heat in a vapor phase is located near the base end of the reflector. When the reflector lamp is oriented in a near-horizontal position, the fill coming into contact with a colder, lower side of the discharge lamp partially condenses, coloring light passing through the condensate. At least two interior reflector surface areas, which have contours defined by rotating generatrices with configurations of conic section lines, reflect the colored light to distribute it evenly over a surface being illuminated and avoid creating a hot spot.

Abstract: A light mixing apparatus including a bottom plate, a plurality of lateral walls, a reflection structure and a plurality of side emitting type LEDs is provided. The bottom plate is connected to the lateral walls. Moreover, each lateral wall has an inner surface and the inner surface face each other. The side emitting type LEDs mentioned are disposed on the bottom plate and the reflecting structure is disposed on the inner surface of the lateral wall.

Abstract: A lighting apparatus comprises a housing, a light source comprising a plurality of semiconductor light emitting devices, and allocated in the housing so as that the semiconductor light emitting devices are directed downward, a first reflector, which is mounted beneath the light source and formed in a convex body gradually thinning down toward upward, comprising a plurality of segmental reflectors having on its top a installation hole for arranging the semiconductor light emitting device and on its bottom opened wider than the installation hole, and a second reflector allocated beneath the first reflector, wherein the height of the second reflector is defined to secure that a first light shielding angle specified by a straight line passing through the semiconductor light emitting device and the bottom edge of the segmental reflector of the first reflector is larger than a second light shielding angle specified by a straight line passing through the bottom edge of the segmental reflector of the first reflector

Abstract: A backlight module (100) includes a light source (120) for emitting light therefrom, and a light guide plate (110). The light guide plate includes a light exit surface (111), a bottom surface (112) opposite to the light exit surface, a receiving hole (113) defined in the bottom surface with the light source received therein, a first reflecting surface (115) in the receiving hole facing away from the light exit surface and configured for reflecting the light emitted from the light source, a light incidence surface (116) in the receiving hole, a recess (114) defined in the bottom surface, and a second reflecting surface (117) arranged in the recess. The second reflecting surface faces toward the light exit surface and the first reflecting surface. The second reflecting surface is configured for directing the reflected light from the first reflecting surface to the light exit surface.

Abstract: Systems, methods and devices for lighting are provided with a reflector with paraboloidal segments. One lighting system includes a reflector having one or more reflector segments. Each reflector segment is substantially paraboloidal and has a central axis of symmetry. The lighting system also includes an illumination portion having one or more light sources. Each light source corresponds to one of the reflector segments and has a central illumination axis. The central illumination axis is directed toward the corresponding segment and substantially perpendicular to the central axis of symmetry of the corresponding segment.

Abstract: A booster optic is provided in an LED light assembly that includes a primary reflective surface to redirect light towards a desired location to form an illuminance pattern that when combined with a first illuminance pattern, which is formed by only the primary reflector, provides a combined illuminance pattern having a more uniform illuminance characteristic as compared to not having the booster optic.

Abstract: An exemplary backlight module (30) includes a frame (31), a plurality of light emitting diodes (32) and at least one optical plate (34). The light emitting diodes are regularly disposed on a base of the frame. The optical plate is positioned on sidewalls of the frame. Each light emitting diode includes a light output unit (321), an optical lens (323) having a light input surface (3231), a top surface (3233), and a light output surface (3235); and a reflective sheet (325) including a peripheral flange extending down from an edge thereof for being interference fitted around the top surface of the optical lens. The backlight module can have a thin configuration while still providing good, uniform optical performance.

Abstract: A light fixture (10) is described and illustrated. The special feature consists in the fact that faceted segments (14a, 14b, 14c, 14d, 14e, 14f, 14g, 14h, 14i, 14j, 14k, 14l, 14m, 14n) having a cylindrical surface (OF) are situated on the inner surface (30) of a dish-shaped, curved reflector (21). The cylinder axes (m, m1, m2, m3, m4) of the segments are oriented in such a way that, according to the differing spacing of the segment to a vertex region (S) of the reflector (21), the orientation of the segment with respect to a tangent (T1, T2, T3, T4), which may be applied to the exterior (38) of the reflector (21) in a connecting region (15b, 15f, 15i, 15n) of the segment on the reflector, varies.

Abstract: A light fixture (10) is described and shown. Its uniqueness is comprised inter alia in that facet-like undercut segments (14a, 14b, 14c, 14d, 14e, 14f, 14g, 14h, 14i, 14j, 14k, 14l, 14m, 14n) are arranged on the interior (30) of a cup-shaped curved reflector (21).

Abstract: A headlamp includes a light source, a first auxiliary reflector disposed below a reflector, and a plurality of second auxiliary reflectors disposed on a front side of the first auxiliary reflector at a predetermined interval along a vertical direction. The light source is a line light source extending in a width direction of a vehicle. A sectional shape of a reflecting surface of the first auxiliary reflector taken along a vertical plane that is parallel to the optical axis is a shape of a parabola having an axis line downwardly extending in the forward direction at a predetermined downward inclination angle. A sectional shape of a reflecting surface of each of the second auxiliary reflectors taken along the vertical plane has a shape of a substantially straight line downwardly extending in the forward direction at a downward inclination angle which is smaller than the predetermined downward inclination angle.

Abstract: A light source device includes: a light emitting tube having a light emitting portion that generates light by an electric discharge between a pair of electrodes and first and second sealed portions provided on either side of the light emitting portion; a main reflecting mirror provided along the first sealed portion of the light emitting tube and having a main reflecting portion that reflects light radiated from the light emitting tube so as to converge at a predetermined position; and a sub-reflecting mirror provided along the second sealed portion of the light emitting tube and having a sub-reflecting portion and a base portion, the sub-reflecting portion sending light radiated from the light emitting tube toward a side opposite to the main reflecting mirror back to the light emitting portion of the light emitting tube, and the base portion being provided at a side of the second sealed portion of the sub-reflecting portion and formed in a stepped manner with respect to the sub-reflecting portion.

Abstract: The present invention relates to a lateral light emitting apparatus, which comprises: a frame with a pit, and the bottom of the pit has a first spacer and a second spacer; a base disposed between the first spacer and the second spacer, and at least one side of the base has a wing that is bent and extended to the outside of the frame; a first light emitting chip; a first pad coupled to a positive electrode through a conductive wire, and at least one side of the first pad has a contact part that is bent and extended to the outside of the frame; and a second pad coupled to a negative electrode through another conductive wire, and at least one side of the second pad has a contact part that is bent and extended to the outside of the frame. With the aforementioned structure, the wing can be affixed on a Printed Circuit Board (PCB) or a heat sink in order to conduct electricity and expel heat.

Abstract: A backlight unit and a liquid crystal display having the backlight are provided. The backlight unit includes a plurality of light emitting diode (LED) chips, a light guide plate for converting light generated from the LED chips into surface light, and a plurality of optical guide modules corresponding to the respective LED chips and disposed between the LED chips and the light guide plate.

Abstract: An apparatus and method according to which light is reflected.

Abstract: An adjustable lamp includes a lamp and a scattering shade which is slidable on the lamp. The scattering shade has a front end coupled with a reflective blade which is bent at a selected angle to reflect light. By sliding the scattering shade on a light penetrative shade, the position of the reflective blade can be changed to alter the reflective direction of the light.

Abstract: To provide a luminescent light source that can increase the number of divisions of a reflecting mirror without reducing pitch interval of reflection areas. A luminescent light source comprises a reflecting mirror for reflecting light, a mold unit arranged on a light reflection surface of the reflecting mirror, and light emitting devices of three luminescent devices of red, blue and green that are placed in the central part and output light to the mold unit. In the reflecting mirror, rectangular reflection areas are arranged vertically and horizontally in a grid.

Abstract: A planar light-source device is obtained in which, in the space between a point light source and the peripheral portion of a through-hole in a case, rays that leak into or are absorbed into a space outside a hollow region can be reduced, whereby the number of rays that propagate into the hollow region can be increased. A point light source is installed from outside a case, through through-holes formed in the case and a reflection sheet, and a reflector formed on the reflection sheet to correspond to the point light source is slanted with respect to the bottom side of the case, depthward along the through-hole, in a region enclosed by the peripheral portion of the through-hole of the case and by the point light source.

Abstract: A light fixture has an elongated housing having a floor and side walls defining a transversely open and longitudinally extending outlet and a light source extending longitudinally in the housing. A U-section asymmetrical primary reflector extending longitudinally in the housing between the source and the floor is oriented to reflect light from the source out through the outlet. Two longitudinally extending generally triangular-section secondary reflectors extend longitudinally spacedly adjacent one another between the source and the outlet. The secondary reflectors have outwardly concave first sides directed toward each other, concave second sides directed away from each other, and outwardly concave third sides directed toward the source. Thus light from the source is directed back toward the source and the first reflector by the third sides, is scattered outward through the outlet by the second sides, and is directed outward through the outlet by the first sides.

Abstract: A module for projecting a light beam comprises a light source and a substantially flat support surface on which the source is arranged in a manner such as to emit light from only one side of the surface, and a reflector for reflecting the light emitted by the source. The reflector comprises a curved reflecting surface which extends on one side of the support surface, has a concavity facing towards the support surface, and can reflect the light coming from the source in a principal direction substantially parallel to the support surface of the source. An optical device for a module according to the invention and a vehicle front light assembly comprising a plurality of modules according to the invention form further subjects of the invention.

Abstract: A lighting system includes a bright bulb installed in front of a variable reflector assembly comprising a plurality of leaves. The leaves have some overlap and are pivotally attached near the base of the bulb, so that they can be collapsed inward or expanded outward in tandem by a mechanism. A baffle and light shield enclose and protect the bulb, and result in controllable and variable indirect lighting from the bulb.

Abstract: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to the objective illumination region, a movable section configured to drive the optical member so as to be rotatable around the center of the circumference serving as a rotation center, and a lighting control section configured to control a light-emitting timing of the plurality of illuminants. The movable section and the lighting control section operate together such that the quantity of light per unit time of the diffused light guided to the objective illumination region is within a predetermined range.

Abstract: A self-standing reflector, and method of making same, comprising a main reflector formed from at least one sheet of reflective material, and at least one reflective insert joined to the main reflector. The main reflector is typically formed by folding a plurality of flat panels along fold lines pre-formed in the sheet into abutting relationship to define a predetermined three-dimensional reflector shape. The reflective insert can have a plurality of facets formed into its reflective surface and is joined to the interior surface of the folded main reflector, and has a reflecting surface disposed inboard from the interior reflective surface of the main reflector. The main reflector and the reflective inserts have a reflectance of at least 95% (Miro 4). The fold-up reflector with its reflective inserts directs reflected light to a predetermined area to provide improved area lighting with less light scatter and improved efficiency.

Abstract: To compensate for uneven brightness in the longitudinal direction of fluorescent lamps of a backlight unit and achieve a display screen with an even brightness, a reflection unit of the backlight unit, the fluorescent tube surface of the fluorescent lamps or a diffusion unit is used to either reduce the reflectance, transmittance, or radiation brightness of the high-voltage side of the fluorescent lamps or increase the reflectance, transmittance, or radiation brightness of the low-voltage side thereof so as to compensate for uneven brightness of the illumination light and thereby ensure an even brightness. For example, dot pattern regions D1, D2 and D3, i.e., the regions whose density increases in stages, are imparted to the portion of a reflection layer 13 of the backlight unit with a relatively high brightness.

Abstract: A luminaire capable of selectively directing light from a lamp therein generally upwardly, downwardly, and outwardly, the combination comprising an electrical housing having a generally downwardly directed socket adapted to receive and support a generally vertically oriented lamp, and having a plurality of coupling members positioned around the socket; an upper reflector, coupled to the housing, and having at least a first portion located to reflect light from a lamp received in the socket; at least one reflector module; at least one fastener for coupling the at least one reflector module to at least one of said plurality of coupling members supported by the housing in a selected location to reflect light emitted from the lamp in a selected direction; and a refractor coupled to and extending downwardly from the housing, substantially enclosing the socket, upper reflector, and reflector module, and transmitting light from the lamp to the outside of the luminaire.

Abstract: A lens with lenticules arranged in a spiral pattern is described. In polar coordinates the centers of successive lenticules are radially and angularly spaced by spacing factors including Phi, the conjugate of the Golden Ratio. The resulting spiraling lenticule pattern is free of internal harmonics that lead to striation patterns in the lens refracted light. At the same time the size of the beam spot can be set by reflector size and lenticule profile.

Abstract: A low profile linear high bay fluorescent luminaire with a downwardly facing and room side accessible ballast channel. The lighting fixture includes a housing assembly having a longitudinal axis with a first reflector located on a first side of the longitudinal axis. A second reflector is located on a second side of the longitudinal axis. The first and second reflectors are spaced apart with at least one ballast therebetween. At least one ballast is coupled to the housing assembly and extends downwardly from the housing assembly. A cover for the ballast is located below the ballast. The lighting fixture also includes a means for releasably coupling the cover to the housing assembly. The lighting fixture can be suspended from a ceiling or joist in a number of ways including mounting brackets, wire hangers, and ceiling assemblies, and can have an occupancy sensor attached thereto.

Abstract: A vehicle headlight can project a low beam and a high beam in a reasonable and efficient fashion and does not require a maximum output during high beam illumination, which is low in frequency of use. A light source can be arranged so that a main optical axis thereof forms an angle of approximately 30° to 60° with respect to a front-to-back direction of a vehicle/vehicle headlight. An extremity of the light source can extend toward the front and side of the vehicle. Part of a first reflector can be arranged closer to the front and a center of the vehicle than the light source. A second reflector can be configured to collect light from the first reflector and reflect the same light to the front of the vehicle. The second reflector can be located behind and closer to the side of the vehicle than the light source is. A distribution pattern switching unit can be located between the first reflector and the second reflector.

Abstract: A lighting device includes an illumination face having a length and a width; a light-emitting element having a light-ray-releasing face the maximum length of which is equal to or less than the width of the illumination face; and a light-source unit that has an optical element which changes the direction of light rays released from the light-emitting element to be directed to the illumination face. The optical element has a concave-face reflecting unit having a cross section that is shaped into a quadratic curve or a pseudo quadratic curve, which is placed at least on one portion thereof, and a luminance distribution on the illumination face has a flat portion that is equal to or not less than a predetermined width.

Abstract: A reflector for a light source, such as an LED, is provided with a shape which efficiently collects and directs energy to an illumined surface whereby almost 100% of the light is collected and distributed into a designer composite beam. The shape in one embodiment is comprised of three zones beginning with a parabolic surface of revolution at the base of the reflector, followed by a transition or straight conic zone and ending with an elliptical zone. In another embodiment the reflector shape is determined according to a transfer function which allows for arbitrary designer control of the reflected rays at each point on the reflector, which when combined with direct radiation from the source, results in a designer controlled composite beam or illumination. The device is more than 90% energy efficient and allows replacement of higher power, less energy efficient light sources with no loss in illumination intensity.

Abstract: A louvre controller for a linear light source has plural transverse reflectors 33 and each located between side reflectors 31, 32. The transverse reflectors have arcuate surfaces forming a double concave reflector and a base 38 of the transverse reflectors is profiled to provide predetermined vertical cut-off angles for all horizontal angles of azimuth.

Abstract: An emergency light fixture includes at least two light sources and a reflector. The light sources are disposed within the reflector. The reflector includes a first concave surface formed by rotating a first parabola about a first central axis of the first parabola, a second concave surface formed by rotating a second parabola about a second central axis of the second parabola, and a third concave surface formed by translating a third parabola along a substantially straight line. The third concave surface intersects the first concave surface and the second concave surface. The light sources may be disposed at the foci of the first and second parabolas or offset from the foci. The first and second central axes may be oriented at symmetrical angles with respect to a plane bisecting the third parabola. The reflector preferably has no convex joints. The first, second, and third parabolas may be degenerated. A third light source may be disposed within the third concave surface.

Abstract: An apparatus includes: a plurality of light emitting diodes (LED) of similar or differing wavelengths; a reflector for collecting energy from two or more LEDs into an approximately composite beam; and a housing for distributing this energy into a common aperture. A heat sink and electronic control for the individual LEDs is included. The LEDs have different color outputs and are selectively controlled to determine the color of light from the apparatus. In one embodiment there are at least two LEDs, at least two reflector cavities, a common combining cavity or zone, a mounting each of the LEDs within the reflector cavities and a housing. The LEDs are mounted on the heat sink And selectively driven to modulate the intensity of selected ones of the LEDs according the nature of the frequency bands in the driving signal, e.g. mixed color outputs according to the control of a musical signal.

Abstract: A lamp assembly adapted to cast shadow-free illumination over an area. Typically, a lamp assembly includes a plurality of light modules that are disposed in a spaced apart relationship over an area. Desirably, the lamp assembly is arranged to aim the light output of each module for overlapping summation on a target footprint. Modules generally each include a LED light source, a parabolic reflecting mirror arranged to direct light from the LED, a TIR collimating lens disposed at a distal end of the mirror, and a stray light tube disposed between the LED and a dispersing lens element.

Abstract: An exemplary backlight module (100) includes a diffusion sheet (110), a plurality of light sources (120), a plurality of supporting posts (130), a plurality of fasteners (140), and a reflective plate (150). The supporting posts are disposed generally between the reflective plate and the diffusion sheet to form a gap with a predetermined distance between the reflective plate and the diffusion sheet. The fasteners are engaged with the reflective plate and hold the light sources to mount the light sources in the gap above the reflective plate. The reflective plate comprises a plurality of elongate bumps (151), and the bumps face toward the diffusion sheet. Each bump is located midway between two adjacent light sources for concentrating and guiding reflected light beams toward a corresponding area of the diffusion sheet above the bump.

Abstract: A light guiding unit is provided which can reflect light from one light source such that a plurality of irradiated lights can be intermittently viewed, while allowing substantially all portions of the plurality of irradiated lights to be substantially uniform. The light guiding unit can include an input portion where light from a light source is input, a first reflecting portion that has reflecting surfaces which divide light from the input portion into a plurality of directions (e.g., six directions), and then radially reflects the light. A second reflecting portion can be provided that has reflecting surfaces which reflect light from each of the reflecting surfaces of the first reflecting portion along the principal optical axis. An irradiation portion can be provided that has irradiation surfaces which irradiate light from each of the reflecting surfaces of the second reflecting portion.

Abstract: An illuminating panel has disposed thereon a plurality of linear light source units, and the linear light source units each include: a light emitter having a plurality of light emitting diodes linearly installed on a base; a first reflector formed of parabolic surfaces which are provided on a light emergence side of the light emitter in such a way as to correspond to the plurality of light emitting diodes, and light emitting faces of which fall in focal positions; and a second reflector having a pair of flat plate-like reflecting surfaces which, being arranged with the light emitting diodes sandwiched therebetween, farther to the light emergence side than the first reflector and parallel to an array direction of the light emitting diodes, reflect light from the light emitting diodes toward the light emergence side, wherein the linear light source units are annularly disposed on a module panel.

Abstract: A light source is movable between a reference position located on an optical axis on the rear side of a rear side focal point of a projection lens and a forward shift position located on the forward side of the reference position. At a predetermined position of the reflecting surface of a reflector on the lower side of the optical axis, an auxiliary reflecting surface having a vertical section of substantially an elliptical shape is formed which has a first focal point set at the center of the light source at the forward shift position, and a second focal point set at the rear side focal point of the projection lens.

Abstract: A projector-type vehicle headlamp includes a light source which is a line light source extending in a width direction of a vehicle, a reflector, a first auxiliary reflector disposed below the reflector, and a second auxiliary reflector disposed on a front side of the first auxiliary reflector. A sectional shape of a reflecting surface of the first auxiliary reflector taken along a vertical plane that is parallel to an optical axis is a shape of a parabola having an axis line downwardly extending in a forward direction a predetermined downward inclination angle with respect to the optical axis. A sectional shape of a reflecting surface of a second auxiliary reflector taken along the vertical plane is a straight line downwardly extending in a forward direction at a downward inclination angle which is smaller than the predetermined downward inclination angle.

Abstract: It is to suppress the interference of the reflected light easily and securely even in a highly fine liquid crystal display device. The reflection plate comprises recessed or protruded parts and a reflection film formed over the recessed or protruded parts. A unit shape of the recessed or protruded parts is a polygon, an arbitrary point other than a centroid of the polygon that constitutes the recessed or protrude part is placed at a position that meets with an orderly-mannered lattice point as an origin, and each of the unit-shape polygons is arranged at a position that is rotated randomly with respect to the origin.

Abstract: In a lamp device provided with an arc tube, a principal reflection mirror, and a sub-mirror; a decrease in illumination light, caused by a trigger line disposed to improve the turn-on characteristics of the arc tube, being suppressed. The lamp device include an arc tube having a bulb portion that incorporates electrodes and sealing portions; a principal reflection mirror; a sub-mirror; leads connected to an electrode at an end portion of each of the sealing portions; and a trigger line. The trigger line has a ring-like portion wound around the sealing portion. The trigger line extends from the ring-like portion and has a wiring path that passes a neighborhood of the bulb portion without coming into contact with the bulb portion, further extends along the sealing portion and is connected to the lead. The wiring path is in the same plane that extends through an optical axis.

Abstract: The present invention provides a lamp that includes a reflection case and a light emitting element. A central portion of a lower wall inner face of the reflection case is stepwise lowered to form a lower wall enlarged inner face, and both faces are made continuous with each other through right and left perpendicular hanging inner faces, so that a central portion of a back wall inner face and a front opening are downwardly enlarged in a rectangular shape, respectively. The light emitting element is mounted on a front face of a sub mount table. A back face of the sub mount table is fixed to the central portion of the back wall inner face, and right and left end faces of the sub mount table are positioned to right and left perpendicular hanging inner faces when the sub mount table is fixed.

Abstract: The present invention comprises a method of enhancing illumination by a variety of lamp types through the use of reflective technologies, for example, replacement of expensive high intensity density of mercury vapor lamps with low wattage fluorescent tubes having at least one and in some cases, up to three reflective surfaces for focusing otherwise lost light toward a target illumination area. Further, the placement of light sources at the focal point of said reflective surfaces aids in optimizing the amount of light focused in a desired direction.

Abstract: A kind of luminous input is disclosed. The luminous input includes an input element, a light guide, and a plurality of LEDs. The light guide defines a hole for receiving the input element, and includes a reflection part and a light transmission part around the hole. The reflection part includes a first reflection surface and a second reflection surface opposite each other. The second reflection surface is tilted at an angle relative to the first reflection surface. Light emitted by the LEDs is sequently reflected by the first and second reflection surface, then passes through the light transmission part. The luminous input is low in height and is efficient in using the light.

Abstract: An illumination lamp including a projection lens 12 and primary and secondary light source units 14, 16 are disposed rearwards of a projection lens 12 disposed on an optical axis Ax, which extends in a longitudinal direction of a lamp. The primary light source unit 14 includes a primary reflector 34 and an upwardly oriented reflecting surface 36a which extends rearwards from the rear focal point F of the projection lens 12. The secondary light source unit 16 includes a secondary reflector 44 that reflects light upwards so as to be caused to substantially converge on a location lying near the rear focal point F on a downwardly oriented reflecting surface 46a, which extends obliquely downwards from a front end edge of the upwardly oriented reflecting surface 36a towards a rear of the lamp.

Abstract: An image display device includes an image processing unit, a light source assembly, an optical modulator assembly, and a projection lens assembly. The image processing unit is configured to receive a video signal and generate image data and control signals. The light source assembly and optical modulator assembly are each controlled by the control signals such that the light source assembly generates illumination in a spatial distribution pattern that is coupled to optical modular assembly via a homogenizing device. The projection lens assembly is configured to project an image from the optical modulator assembly onto a viewing surface. The optical modular assembly is configured to maximize the amount of illumination coupled from the light source assembly, and includes at least one optical modulator surface configured to have a substantially 1:1 aspect ratio.

Abstract: A light reflector of which the bidirectional reflectance R1 is from 90 to 120% when the light entrance angle is 15° and the light acceptance angle is 0° and the bidirectional reflectance R2 is from 85 to 110% when the light entrance angle is 75° and the light acceptance angle is 0°. The light reflector has high reflectivity and attains brightness improvement even in underlight-type backlights.

Abstract: An optical manifold for efficiently combining a plurality of blue LED outputs to illuminate a phosphor for a single, substantially homogeneous output, in a small, cost-effective package. Embodiments are disclosed that use a single or multiple LEDs and a remote phosphor, and an intermediate wavelength-selective filter arranged so that backscattered photoluminescence is recycled to boost the luminance and flux of the output aperture. A further aperture mask is used to boost phosphor luminance with only modest loss of luminosity. Alternative non-recycling embodiments provide blue and yellow light in collimated beams, either separately or combined into white.

Abstract: An illuminating device features a light transmitting plate having a first surface and a second surface, the first surface having inward depressions.