Abstract: Provided are a Light Emitting Diode (LED) device and a backlight module. The LED device includes a substrate, a chip, an encapsulation structure and a top reflective shielding layer; the chip is disposed on the substrate; the encapsulation structure covers the substrate and covers the chip; and the top reflective shielding layer is disposed on the encapsulation structure and located at a central position of an upper surface of the encapsulation structure, and covers a part of the upper surface of the encapsulation structure.

Abstract: A vehicular display device includes: a reflective display configured to provide display toward an outside of a vehicle; and a light emission member arranged to face a display part of the reflective display. The light emission member is configured to allow light to be incident from a display part side and light to be incident from an opposite side to the display part side to pass through the light emission member, and is configured to emit light toward the display part, which is different from the light to be incident from the display part side and the light to be incident from the opposite side to the display part side.

Abstract: A lighting apparatus includes a light cover, a cup body, a heat sink, a light source module, a bulb cap and a driver. The cup body has a cup bottom, a cup top and a cup wall. The cup top has a larger diameter than the cup bottom. The light cover is attached to the cup top. The heat sink has a peripheral wall and a holder. The peripheral wall clings to the cup wall.

Abstract: An illuminable pointer assembly for an instrument panel includes a transparent or translucent base, a transparent or translucent pointer blade, and a hub mounted on the base and supporting the pointer blade. The assembly is miniaturized or capable of being miniaturized by integrating reflectors into a lower surface of the pointer blade to internally reflect light propagated upwardly through the base in a lateral direction to uniformly illuminate the pointer blade.

Abstract: Devices, systems and methods for providing an output beam are disclosed. The devices, systems and methods can employ a light source (802) configured to output light and a plurality of lenses (702). The lenses include a first lens (704) having a first freeform surface configured to receive the light and a second freeform surface configured to transmit the light towards a second lens (706) of the plurality of lenses. The second lens (706)5 includes a third freeform surface configured to receive the light from the second freeform surface and includes a fourth freeform surface configured to transmit the light out of the second lens.

Abstract: A headlamp lens includes a transparent body having at least one light tunnel defining at least one entry area, and a light-directing part with at least one optically active light exit area. The light entry area merging into the light-directing part at a sharp end to project a light/dark boundary by means of light coupled or radiated into the light entry area.

Abstract: A lighting device includes two or more independently controlled sources of light, operational within a structure having a ground surface and a ceiling surface. A first source of light emits light with predetermined correlated color temperature upward towards a portion of the ceiling directly above the lighting device, without obstruction from the lighting device. The second source of light emits light with a predetermined correlated color temperature downward, towards the floor surface. A controller independently adjusts the color temperature and intensity of the sources of light according to a time schedule.

Abstract: A vehicle applique is provided that includes a decorative layer and an over-mold positioned over the decorative layer. The over-mold is substantially transparent. A semiconductor layer is positioned on an opposite side of the decorative layer from the over-mold. The semiconductor layer is configured to emit light through the decorative layer.

Abstract: A recessed wall wash light fixture includes a light source and a hollow light guide. The hollow light guide has a reflective internal surface and forms upper and lower apertures along its upper and lower boundaries. The lower aperture is slanted upwardly in the forward direction. The hollow light guide includes a forward section and a rear section having respective centerlines and wall surfaces. Both of the centerlines are concave with respect to one another, and the wall surfaces extend laterally from the centerlines and curve toward one another. The forward and rear wall surfaces substantially meet one another at midlines that extend downwardly from the upper aperture to the lower aperture.

Abstract: A recessed wall wash light fixture includes a light source and a hollow light guide. The hollow light guide has a reflective internal surface and forms upper and lower apertures along its upper and lower boundaries; the lower aperture is slanted upwardly in the forward direction. The hollow light guide includes a forward section and a rear section having respective wall surfaces. The forward and rear wall surfaces substantially meet one another at midlines that extend downwardly from the upper aperture to the lower aperture.

Abstract: An ornament with a backlit film image having a substrate with an at least partially transparent portion viewable therethrough when backlit. A first end cap and a second end cap are configured to receive and retain a portion of the substrate in a substantially closed loop shape such that the first and second end caps and the substrate support one another into a substantially upright position to define an enclosure. A light source is disposed within the enclosure and positioned to illuminate the backlit film image at least partially viewable through the transparent portion of the substrate.

Abstract: This invention relates to a light guide lens adapted for guiding light emitted from a light emitting element. The light guide lens includes a base portion disposed on a light axis (L) and including a light incident surface, and a light guide portion surrounding the light axis (L) and disposed on the periphery of the base portion. The light guide portion includes an inner peripheral edge connected to the base portion, an outer peripheral edge opposite to the inner peripheral edge, and at least one light control unit connecting the inner and outer peripheral edges and having first and second light guide sections so as to form a varied light pattern.

Abstract: A lighting fixture employs one or more reverse parabolic reflectors and molded lenses in a faceplate to provide a variety of light output intensities and emission patterns. Some embodiments clip the reverse parabolic reflectors to fit within the outline of the faceplate without sacrificing significant light output.

Abstract: A device and method for providing a laser system utilizing high efficiency lasers emitters and optionally the high quality beam characteristics of a crystal gain medium single mode laser for emitting beamlets and utilizing an optical and mechanical method of forming the beam and directing it to the desired target using both a concave and a partially reflective convex mirror to reflect the beamlets, with the convex mirror transmitting a portion of the beamlets to a transmission medium for emitting the beamlets as a laser beam.

Abstract: Embodiments of the present invention provide apparatuses and systems for providing illumination for projectors. One or more beam combiners are used to combine multiple light beams to provide a combined light beam toward to a pupil of an imaging device in a projector. Solid state light sources, such as diode lasers and light-emitting diodes (LEDs), may be used as light sources at relatively low cost and low power, and with long lifetime. In one embodiment, an optical beam combiner comprises a first reflective surface, a second reflective surface, and a transparent region disposed between the first reflector surface and the second reflective surface. In another embodiment, an optical device comprising an array of optical beam combiners is provided. In a further embodiment, light sources comprising a plurality of light-emitting devices mounted on curved surfaces are utilized in conjunction with an optical beam combiner to provide illumination for a projector.

Abstract: A light emitting device comprises: a surface light source for a surface-emission; a CPC lens having a light receiving surface, a side reflective surface, and a light emitting surface, the light receiving surface receiving a part of light from the surface light source, the side reflective surface reflecting the light from the light receiving surface, and the light emitting surface facing the light receiving surface and emitting the light; and a reflector containing the surface light source and the CPC lens, and having a concaved reflective surface for reflecting forward the light deviating the light receiving surface from the surface light source, wherein a ratio of a illumination area of the surface light source to an area of the light receiving surface of the CPC lens is not less than 0.63 and not more than 2.93.

Abstract: Systems and devices for collimating beams of light emitted by a light emitting diode are disclosed. In one embodiment, an optical device comprises a bowl shaped reflector base, a light emitting diode (LED) physically attached to the bowl shaped reflector base, a central reflector in a shape of a hyperbolic cone formed above the LED about a center of the bowl shaped reflector base, and a transparent plate formed around a base of the hyperbolic cone. In the embodiment, the central reflector in the shape of the hyperbolic cone is configured to reflect a portion of light emitted from the LED to an outer edge of the bowl shaped reflector base which in turn substantially reflect the portion of light via the transparent plate almost parallel to an optical axis of the LED.

Abstract: A light source unit is provided which includes a first light source which shines excitation light of a predetermined wavelength band; an optical path switching device which switches in a time-sharing fashion the light shone from the first light source into first light which is shone in a first direction and second light which is shone in a second direction; a light emitting plate on which a luminescent material layer is formed which emits luminescent light of a wavelength band which is different from that of the excitation light when receiving the second light; and a light guiding optical system which guides the first light and the luminescent light to the same optical path.

Abstract: Various embodiments of the illumination unit include a surface light source, a primary optical element, a first reflector and a second reflector. The primary optical element is arranged at the surface light source in such a way that light emitted by the surface light source is imaged onto the first reflector by the primary optical element. The beam cross section of the light is reduced by the primary optical element at the same time. In this case, the first reflector images the light beam that has been reduced by means of the primary optical element onto the second reflector in order to emit the light from the second reflector from the illumination unit.

Abstract: Disclosed are a backlight unit and a display using the same. The backlight unit includes a first reflector, a second reflector, and at least one light source disposed between the first reflector and the second reflector, and the end of the second reflector is separated from the at least one light source by a first distance in the upward direction of the at least one light source.

Abstract: An illumination apparatus for use in an image reading apparatus that forms a reduction image of a read area of an original on an image pickup element by an imaging optical system, includes: a light source illuminating the original; and a light guide guiding light to the original; wherein the light guide has a first surface on which light is incident or that diffuses light, a second surface from which light exits toward the read area, and a third and fourth surfaces arranged between the first and second surfaces in a sub-scanning section perpendicular to a longitudinal direction of the light guide, the third surface arranged on a side closer to an optical axis of the imaging optical system, and the fourth surface arranged on a side farther from the optical axis, wherein the third and fourth surfaces are reflective surfaces having the same paraxial power which is appropriately set.

Abstract: A light source unit is equipped with a light source having a discharge lamp and a converging mirror, and a light guide formed of a liquid core fiber which is held by a light guide holding portion. The light source and the light guide are held in a casing made of a metal, and an infrared cut filter is provided in a cylindrical light shielding body surrounding an optical path in the interior of the casing. The light shielding body forms a stray light preventing member which prevents stray light from going out of the casing, and a light quantity adjusting member is provided between an opening of the light shielding body on a light guide side and a light incident port of the light guide. The light shielding body and the light guide holding portion are thermally insulated from each other by a heat insulating material portion.

Abstract: A reflector with an alignment recess is provided. The reflector has a recess portion that receives the base of a light emitting diode. At least a portion of an outer periphery of the base of the light emitting diode is adjacent at least portions of the recess portion of the reflector.

Abstract: The present disclosure provides an illumination device. The illumination device includes a cap structure. The cap structure is partially coated with a reflective material operable to reflect light. The illumination device includes one or more lighting-emitting devices disposed within the cap structure. The light-emitting devices may be light-emitting diode (LED) chips. The illumination device also includes a thermal dissipation structure. The thermal dissipation structure is coupled to the cap structure in a first direction. The thermal dissipation structure and the cap structure have a coupling interface. The coupling interface extends in a second direction substantially perpendicular to the first direction. The thermal dissipation structure has a portion that intersects the coupling interface at an angle. The angle is in a range from about 60 degrees to about 90 degrees according to some embodiments.

Abstract: An optical emitter enabling conversion of light from a light source. The optical emitter includes a first conic reflector defining an aperture for receiving the light source, a second conic reflector opposite the first conic reflector for collimating light emitted by the light source, and a volumetric light conversion element between at least a portion of the first reflector and at least a portion of the second reflector. The optical emitter can also include a convex mirror adjacent the vertex of the second conic reflector, and an elliptical element adjacent the first conic reflector. The light conversion element can include phosphor dispersed in a resin to convert light from a first wavelength to light of a second, longer, wavelength, wherein converted light is emitted from the light conversion element.

Abstract: A light emitting device includes: a first light emission element which emits a first light; a second light emission element which emits a second light; a first reflection surface which reflects the first light; and a second reflection surface which reflects the second light, wherein the first light emission element and the second light emission element are laminated in a first direction and disposed in such positions that the emission direction of the first light and the emission direction of the second light become parallel with each other and that the first light emission element and the second light emission element do not overlap with each other as viewed in the first direction, and the traveling direction of the first light reflected by the first reflection surface and the traveling direction of the second light reflected by the second reflection surface become parallel with each other.

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

Abstract: A method for displaying a vessel of a particular biological subject is proposed. The particular object is inserted into the vessel. The deformation of the vessel is predicted by an inserted object on the basis of experience. This experience is quantified by assigning values to particular parameters, the parameters providing information concerning characteristics of the patient, characteristics of his/her vessel and information about the interventional instrument inserted.

Abstract: The invention relates to a LED collimator element for a vehicle headlight with a low-beam function, which emits at least visible light of one color from at least one region of a light source.

Abstract: A shell of mobile communication terminal is provided. The shell includes a shell body made by a transparent or semitransparent material and having an outer surface and an inner surface. The inner surface has patterns formed thereon. A semitransparent-semireflecting layer is formed on the outer surface of the shell body. The patterns can be observed from outside of the shell body when there is light transmitting from the inner surface to the outer surface, and the semitransparent-semireflecting layer presents a mirror effect when there is no light transmitting from the inner surface to the outer surface.

Abstract: A lamp comprises: a primary reflective mirror being funnel-shaped and having an opening at one end; LEDs disposed within the primary reflective mirror; a base attached to another end of the primary reflective mirror; and a circuit configured to receive power via the base and cause the LEDs to emit light. The circuit unit is housed in a circuit case and disposed within the primary reflective mirror close to the opening in a direction in which the LEDs emit light. The circuit case has a secondary reflective surface configured to reflect light emitted from the LEDs to a reflective surface of the primary reflective mirror.

Abstract: A light signalling device, particularly designed for motor vehicles. The device has a reflector with a reflecting surface and a screen arranged opposite the reflector and having a semi-reflecting zone. The screen being arranged away from the reflector and forming a cavity with the reflector. The light rays of the source penetrate the cavity; and some of these rays are transmitted by the semi-reflecting zone, and others of these rays are reflected by the semi-reflecting zone, then by the reflector into the cavity in such a way as to generate a repetitive visual or three-dimensional effect of depth. The screen is configured and arranged in relation to the direction of emission of the light source in such a way that another part of the light rays leaves the cavity at the level of the screen without meeting the semi-reflecting zone.

Abstract: A laser device including a concave mirror converging beamlets from a plurality of high efficiency diode lasers to a focal point, an integrating convex mirror placed at or near the focal point reflects a first portion of the beamlets back to the concave mirror and allows a second portion through to a light transmitter. The second portion of beamlets exists the light transmitter as a homogenized uniform laser beam having substantially uniform convergence and focus.

Abstract: Some embodiments provide an illumination optical system. The optical system can include a first surface and a second surface. Each of the first and second surfaces can further comprises a multiplicity of corresponding Cartesian-oval lenticulations such that each lenticulation of the first surface focuses a source upon a corresponding lenticulation of the second surface and each lenticulation of the second surface focuses a target upon a corresponding lenticulation of the first surface.

Abstract: The invention relates to an elongate light fixture having a substantially triangular cross-section. The light fixture is screwed to a supply duct with the rear wall thereof. A front rail runs parallel to the rear wall. Transparent panels and are inserted detachably between the rear wall and rail. In the interior of the light fixture, a fluorescent lamp is provided as the luminous element. The light emitted by said fluorescent lamp is reflected upward by way of reflector surfaces that open in the shape of a funnel and is scattered diffusely in the direction A by means of the frosted panel. The panel surfaces, which likewise open in the shape of a funnel, reflect the light exiting downward from the lamp in the direction toward the panel, the grooved structure of which ensures that the light is deflected substantially in the direction B, while the portion of the side light exiting in the direction C is reduced.

Abstract: In a diffusion sheet (46), first reflection areas (AR1) with high reflectance and second reflection areas (AR2) with low reflectance are alternately arranged parallel to each other on a light receiving surface (46R), and third reflection areas (AR3) with high reflectance and fourth reflection areas (AR4) with low reflectance are alternately arranged parallel to each other on an light emitting surface (46F). In the diffusion sheet (46), the first reflection areas (AR1) and the fourth reflection areas (AR4) are opposed to each other, and the second reflection areas (AR2) and the third reflection areas (AR3) are opposed to each other.

Abstract: A shaped optical prism structure for mounting on an upward light-outgoing surface of a street light or wall lamp to change the direction of light through about 360 o by means of a recessed flat incident surface, a recessed primary full-reflection surface and a curved light-distribution surface formed of a series of sloping surfaces and to enable the light to be projected onto the floor.

Abstract: A solar powered light emitting device includes a solar cell battery, a plurality of organic light emitting diode (OLED) elements and a plurality of light guides. The OLED elements and the light guides are arranged on a light incident surface of the solar cell battery in which each of the light guides are arranged between every two neighboring OLED elements for guiding lights into the solar cell battery.

Abstract: An optical system with an LED light source utilizes a base with an inverted conical shape to conduct light to a phosphor layer. The phosphor layer emits light from both upper and lower surfaces. The base and a substantially mirror image cap element facilitate efficient extraction of the phosphor-generated light from the optical system so that the output of the system is omni-directional light suitable for common lighting applications. The system is very efficient in that nearly all the light generated by the LED is transmitted to the phosphor layer, and nearly all the light emitted from the phosphor layer is output from the system.

Abstract: The invention relates to a thin illumination device (1, 10, 20, 30, 40, 50, 60). The invention also relates to a display device and a luminary device comprising such a thin illumination device. The thin illumination device comprises a translucent plate (2, 23, 31, 41, 51, 66, 73) provided with an array of light-emitting diodes (LEDs) (3, 32, 47, 61, 75) connected by an electric conducting pattern, and a reflector (4, 20, 22, 43, 53, 62, 74) arranged on a first side of the plate at a distance from the plate. Such a construction can be made thinner and works more efficiently than a conventional LED thin-film illumination device.

Abstract: A laser device including a concave mirror converging beamlets from a plurality of high efficiency diode lasers to a focal point, an integrating convex mirror placed at or near the focal point reflects a first portion of the beamlets back to the concave mirror and allows a second portion through to a light transmitter. The second portion of beamlets exists the light transmitter as a homogenized uniform laser beam having substantially uniform convergence and focus.

Abstract: A Safety reflector suitable as a road stud or hazard reflecting ornament able to utilize ambient light without solar panels batteries or diodes, in order to reflect light multi-dimensionally.

Abstract: An illumination apparatus includes a linear array of light emitting diode (LED) chips disposed on a support. A linear reflector assembly has a light coupling reflector portion and a one dimensional light collimation or focusing portion. The linear reflector assembly is secured to the support parallel with the linear array of LED chips. An encapsulant is disposed in the light coupling reflector portion of the linear reflector assembly and pots the LED chips. An elongate phosphor element is disposed over the encapsulant such that the light coupling reflector portion and the encapsulant enhance light coupling between the LED chips and the elongate phosphor element, and the one-dimensional light collimation or focusing portion one-dimensionally collimates or focuses light emitted by the combination of the LED chips and the elongate phosphor element.

Abstract: An optical lens and method for designing the lens are disclosed. The lens includes a first surface and a second surface. Light emitted from multiple light emitting elements enters the lens through a central section of the first surface. The light can be reflected from a reflective central section of the second surface and/or undergo total internal reflection at an outer ring section of the second surface one or more times before exiting the lens through the outer ring section of the second surface. Upon exiting the lens, the light beam has a predetermined divergence angle and has a fairly uniform color in the far field even if the multiple light emitting elements have different peak wavelengths.

Abstract: A semiconductor light-emitting device includes a semiconductor light-emitting element emitting light in a region ranging from ultraviolet to visible, and a visible-light luminescent element absorbing light emitted from the semiconductor light-emitting element and outputting visible light. The visible-light luminescent element includes a substrate, a light-reflecting layer formed on the substrate and containing light scattering particles, and a luminescent layer containing phosphor particles. The luminescent layer absorbs light emitted from the semiconductor light-emitting element and output visible light. The luminescent layer further absorbs light that is emitted from the semiconductor light-emitting element, arrives at and is reflected from the light scattering particles, and output the visible light.

Abstract: A reflector emitter includes a combination reflector having at least one elliptical concave mirror shaped as an ellipsoid of revolution section having first and second focal points disposed outside and inside of the ellipsoid of revolution section, respectively. The reflector emitter includes at least one light source at the second focal point. The ellipsoid of revolution section is formed as an ellipsoid of revolution that is cut between its center and the first focal point in a longitudinal section plane and in a cross-sectional plane. An aperture is provided above an other concave mirror having at least one focal point that coincides with the first focal point of the ellipsoid of revolution section. The other concave mirror is formed as a hollow body cut in a sectional plane through its focal point. This sectional plane and the longitudinal section plane of the ellipsoid of revolution section share a common plane of reference and the concave mirrors have opposing faces.

Abstract: Display lamp includes a base and a cover having a lower face. A side is provided between the cover and base, and the side, cover, and base define a display volume. A light source on the base directs light at a reflector on lower face of cover, and reflector reflects light from light source downwardly away in a diffuse manner within the display volume. There may be a light housing covering the light source and an oculus in an upper portion of light housing configured for directing light at the reflector. A light guide may be provided adjacent the light source for collimating light emitted from the light source into a column of light directed at the reflector. There may be a support between the cover and base for supporting an article to be displayed in the display volume, and illuminated by reflected light from the reflector.

Abstract: An illumination device comprises a light reflecting plate, a circuit board, and a point like light source, the light reflecting plate or a combination of the light reflecting plate and the circuit board forming a receiving concave portion. The point like light source is arranged in the receiving concave portion, wherein a brightness of a light emitted from the point like light source is to be up to 30000 cd/m2, when an incident angle of the light emitted from the light source is zero and 350 mm apart from the light source, and a part or all of the light emitted from the point like light source is reflected from an inner face of peripheral walls of the receiving concave portion and supplied as an illumination.

Abstract: A light emitting diode illuminator includes a reflecting shell (120), a light emitting diode light source (140) and a transparent cover (160). The reflecting shell includes a plurality of sequentially connected hollow tapered bodies (122, 124) having different taper angles. The tapered bodies cooperatively form a receiving space (123). The light source is installed at an end of the receiving space. The transparent cover is disposed at an opposite end of the reflecting shell away from to the light source and configured for directing light emitted from the light source out from the light emitting diode illuminator.

Abstract: A lighting apparatus comprises a housing and a first reflector. The first reflector is mounted beneath the light source and includes a plurality of segmented reflectors, each having at its top, a installation hole and at its bottom, an opening wider than the installation hole. A second reflector is positioned beneath the first reflector. The height of the second reflector causes a first light shielding angle defined by a straight line passing through the installation hole and the bottom edge of the corresponding segmented reflector to be larger than a second light shielding angle defined by a straight line passing through the bottom edge of the segmented reflector and the bottom edge of the second reflector.