Abstract: An LED package comprises an LED for emitting LED light, and a conversion material remote to said LED for down-converting the wavelength of LED light. The package further comprises a reflector directing at least some of the LED light toward the conversion material, the conversion material down-converting the wavelength of at least some of the reflected LED light. A method for emitting light from an LED package comprising providing an LED, reflector and conversion material, and emitting light from said LED, at least some of the LED light emitted toward the reflector. The method further comprises reflecting at least some of the LED light toward the conversion material, and converting at least some of said reflected LED light at the conversion material. At least some of the converted reflected LED light is emitted by the LED package.

Abstract: In a light emitting module board, an electrode receiving the supply of current for light emission is provided in the light emitting surface of a semiconductor light emitting device. A light wavelength conversion member is a plate-like member mounted on the light emitting surface, and emits light after converting the wavelength of the light emitted by the semiconductor light emitting device. A relay electrode is provided in the surface of the light wavelength conversion member. The relay electrode extends from a position in contact with the electrode to an exposed position in the external space in a state where the light wavelength conversion member is mounted on the light emitting surface. The relay electrode is provided so that the upper part of the relay electrode, which is the exposed position, extends to a position located opposite to the lower part of the relay electrode which is the contacted position.

Abstract: A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength.

Abstract: Disclosed herein is a portable lighting apparatus. The portable lighting apparatus includes a main body, one or more color filters, and an input jack and an output jack. The main body includes a light source. The color filters are provided so as to be moved to the light emission region of the light source. The input and output jacks are connected to a charging unit, which is provided in the main body.

Abstract: A color chart device for providing color standards for a plurality of colors, with less power consumption as well as reduced luminance variations in colored light within an emission surface, is provided. The color chart device includes a plurality of first light emission sections emitting colored light in wavelength ranges corresponding to the plurality of colors. The first light emission section includes: an enclosure having an emission surface; a single-color light source arranged in the enclosure to emit colored light; a reflective sheet formed on inner surfaces other than the emission surface in the enclosure; and a shielding plate arranged between the single-color light source and the emission surface so as to interrupt the colored light emitted from the single-color light source. The wavelength ranges of the colored light emitted from the first light emission sections are different from one another.

Abstract: A spotlight for shooting films and videos is provided. The spotlight comprising light-emitting diodes (LEDs) arranged on a light-emitting surface, of which color LEDs emit different LED colors (R, G, A, B, Ye) and provide luminous flux portions for a color mixture. At least one LED comprises a luminescent LED. The spotlight further comprising a device for setting the luminous flux portion emitted by the LEDs, which device drives the LEDs at least in groups. At least one color LED emits the LED color “blue” or “cyan”, and the luminescent LED comprises a yellow-green, daylight-white, neutral-white or warm-white luminescent LED, which covers at least a portion of the color LEDs with the exception of the color LED emitting the LED color “blue” or “cyan”.

Abstract: A stage light fixture is provided with a main body extending along a longitudinal axis and having an outer surface; a light source arranged inside the main body at a first end of the main body and suitable to emit a light beam substantially along the axis; and with an objective lens arranged at a second end of the main body; the main body is provided with a plurality of inserts to fix to the outer surface, by means of a magnetic coupling, a filter suitable to intercept the light beam which crosses the objective lens; the inserts are made of a magnetic material and/or of a metallic material suitable to be attracted by a magnetic material.

Abstract: The invention relates to a lighting apparatus 10 that includes one or more of a lens and focus adjustment means 14, tilt adjustment means 18, and pan adjustment means 20 each with corresponding indicia for setting focus, pan and tilt of the light apparatus.

Abstract: A first light source producing a first light beam with a first intensity and a second light source producing a second light beam with a second intensity. A light filter device receives the first light beam and transmits a filtered portion of the first light beam. A first angling device reflects the filtered portion of the first light beam in a first angled direction and a second angling device reflects the second light beam in a second angled direction. A mirror receives and in turn reflects the filtered portion of the first light beam reflected by the first angling device and the second light beam reflected by the second angling device to form a converged light beam with a third intensity.

Abstract: An exemplary light source module includes a flexible printed circuit board (FPCB), a number of light emitting diodes (LEDs), and a light guide plate (LGP). The LEDs are mounted on the PCB, which is capable of switching each of the LEDs on and off. The LGP includes a light input surface and a number of light output surfaces. The light input surface is opposite to the LEDs. The LEDs face the light input surfaces, and at least one light guide structure is defined at the light input surface so that a majority of light beams from each LED pass substantially perpendicularly through a corresponding portion of the at least one light guide structure and exit from a corresponding light output surface.

Abstract: A semiconductor lighting device includes a semiconductor light emitter packaged on a reflective substrate to emit a first light and a remote wavelength conversion layer on a back-transferred light path to convert the back-transferred first light into a forward second light. A filter is disposed on a light emitting forward path with a space to the semiconductor light emitter to reflect back at least a portion of the first light. A diffusive member may be positioned outside of the filter to diffuse the forward passing light before it exits from the semiconductor lighting device. As a second aspect of this invention, a solid state lighting device includes a short wavelength semiconductor emitter; a long wavelength semiconductor emitter with wavelength in reddish orange range; a filter on a light emitting forward path to reflect back a portion of short wavelength first light; and a wavelength conversion component on a back-transferred light path.

Abstract: Lighting assemblies and methods are described. In some embodiments, the lighting assembly includes a light-emitting device and a luminaire. The light-emitting device may be an LED.

Abstract: In a light emitting module, an electrode receiving the supply of current for light emission is provided on the light emitting surface of a semiconductor light emitting device. A light wavelength conversion member is a plate-like material mounted on the light emitting surface and emits light after converting a wavelength of the light emitted by the light emitting element. The light wavelength conversion member has a notch such that at least a part of the electrode communicates with the external space in a manner perpendicular to the light emitting surface of the semiconductor device when the light wavelength conversion member is mounted on the light emitting surface.

Abstract: The present invention relates to luminaires and, in particular, to luminaires comprising light emitting diodes. In one embodiment, the present invention provides a luminaire comprising at least one light emitting diode, a reflector offset from the centerline of the luminaire and a collimator adapted to direct light from the least one light emitting diode along an axis offset from the vertical axis of the light emitting diode.

Abstract: An illumination system (10), comprising an illumination source (2) and a mechanical dimming device (4) for dimming the amount of light generated by the illumination source (2) and emanating from the lighting apparatus, comprising an array of partially overlapping blades, the array of blades being mechanically operable to define an optical passageway there through of variable cross sectional area, wherein each blade comprises at least one overlapping segment and at least one non-overlapping segment, the overlapping segments being a color filter and the non-overlapping segments being a shutter. In a preferred embodiment the color of the color filter is in the range from yellow to amber to red. This arrangement is especially useful with a high intensity lamp as the illumination source, and provides for natural dimming of the light produced by the illumination source over the range of from about 0 to 100% causing a color change in the projected light that resemble natural sunset.

Abstract: A lamp unit with a relay lens that allows two different focus points. Two different optical altering elements are hence simultaneously in focus. The elements can be taken in and out of focus to allow different effects.

Abstract: A light emitting device comprises: an LED chip mounted in a recess formed in a mounting substrate; a wavelength converting member that is disposed so as to cover the recess and the edge area around the recess and that is excited by light emitted from the LED chip to emit light of a wavelength different from an excitation wavelength; and an emission control member disposed at a light output side of the wavelength converting member so as to allow emission of light coming from an area of the wavelength converting member that corresponds to the recess and to prevent emission of light coming from an area of the wavelength converting member that corresponds to the edge area around the recess. This can prevent variations in color between light emitted from the central part of the wavelength converting member and light emitted from the part of the wavelength converting member that is located on the edge area around the recess of the mounting substrate, thereby reducing unevenness of color on the irradiation surface.

Abstract: Assemblies compliant with night vision imaging system (NVIS) standards are described. Versions of the assemblies incorporate filtering material into an encapsulant for a light-emitting diode (LED) die, avoiding any necessity of using external filtering agents. Alternatively or additionally, filtering material may be incorporated into a housing of an encapsulated LED.

Abstract: According to one embodiment of the present invention, a system for illuminating a target includes a light source configured to emit one or more light beams with a first divergence. The system further includes a lens separated from the light source. The lens is configured to substantially satisfy the sine condition without removing spherical aberrations from the one or more light beams. The lens is further configured to receive the one or more light beams with the first divergence. The lens is further configured to change the first divergence of the one or more light beams to a second divergence. The second divergence is less than the first divergence. The second divergence is greater than zero. The lens is further configured to transmit the one or more light beams with the second divergence.

Abstract: The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); and a plurality of light-emitting elements (13) that are disposed on an inner surface (12a) of the storage case (12), an opening (11a) is formed in the lid portion (11), at least a part of the inner surface (12a) is a light-reflecting surface that wave-guides light emitted by the light-emitting elements (13) as light sources to a position directly underneath the opening (11), and a reflecting portion (15) that reflects the light emitted by the light-emitting elements (13) as the light sources toward the opening (11a) is formed directly underneath the opening (11a). Thereby, the light-emitting apparatus having a point light source with high brightness can be provided.

Abstract: A method for modifying color resists of color filter includes the steps of: providing a white light-emitting diode (WLED) emitting light having wavelength of ?i and having an emission spectrum BL(?i); providing a color filter comprising a plurality of red, green and blue color resists and having a transmission spectrum CF(?i); modifying compositions or concentrations of pigments of the red color resists to increase transmission rate of the wavelength ?i ranging between 580 nm and 600 nm for the red color resists; and modifying compositions or concentrations of pigments of the green color resists to increase transmission rate of the wavelength ?i ranging between 570 nm and 590 nm for the green color resists. A display is also disclosed herein.

Abstract: A light fixture includes a flexible color filter material coupled to a scrolling mechanism that moves the material in a first direction to position a selected portion of the color filter material in a part of a light beam from the fixture. A device coupled to the mechanism may move the mechanism in a second direction so that another part of the light beam passes unfiltered. Different areas of the color filter material produce different colors. The device may move the mechanism in a direction parallel to a plane of the color filter material. The device may rotate the scrolling mechanism about an axis of rotation substantially parallel to the plane of the color filter material. The color filter material may include a dichroic filter. The light fixture may also include a second scrolling mechanism coupled to flexible diffusion material, such that at least a part of the light beam of the light fixture may be diffused by a predetermined amount.

Abstract: A light emitting apparatus having a light source for emitting short wavelength radiation and an optic device configured to receive the radiation emitted from the light source. A device directs at least some of the short wavelength radiation emitted from the light source into the optic device and a down conversion material receives at least some of the short wavelength radiation directed into the optic device in one spectral region and emits the radiation in another spectral region.

Abstract: The light-emitting element emits light itself. The element includes a light-emitting portion having a higher refractive index than a refractive index of air and a diffraction grating structure provided to a light-emitting side surface of the light-emitting portion. The function that a minimum light-emission value is equal to or less than 50% of a maximum light-emission value when white light is emitted from the light-emitting portion is realized.

Abstract: Disclosed is a light source device that has lower costs and lower power consumption compared to a halogen lamp, and has the same spectral characteristics as the halogen lamp. The light source device includes a white LED that emits white light having an emission peak in a blue range and an optical filter that partially reduces the quantity of light in the blue range in the white light emitted from the white LED such that the spectral characteristics of the white light emitted from the white LED are close to those of light emitted from a halogen lamp.

Abstract: An external light shielding film including a lens pattern formed on a surface of a base substrate and including a plurality of aspheric lenses, and an external light shielding pattern formed on another surface of the base substrate, and a display filter having the same, are provided. The external light shielding film and the display filter having the same may increase a contrast ratio in a bright room, enhance brightness, and increase a viewing angle.

Abstract: A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally controlled device which controls the shape of the light output. The digital controlling device can be digital mirror devices, for example.

Abstract: The present invention relates to a portable lighting device comprising a body, a light source coupled to the body and configured to emit a beam of light along a central axis, a head assembly rotatably coupled to the body, and a filter assembly rotatably coupled to the body. The filter assembly has a rotational axis and a plurality of filters offset from the central axis. Rotation of the head assembly rotates the filter assembly to align different filters of the plurality of filters along the central axis on an output side of the light source.

Abstract: There is provided a lighting device that lights a liquid crystal panel, including a substrate (51) on which red, green and blue light separating plates (52R, 52G, 52B) are alternately disposed with a pitch of w in array. Red LEDs (53R) are disposed one at every other center between the green and blue light separating plates (52G, 52B), green LEDs 53G are disposed one at every other center between the blue and red light separating plates (52B, 52R), and blue LEDs (53B) are disposed one at every other center between the red and green light separating plates (52R, 52G).

Abstract: The invention relates to a compensating light guide (10) for guiding visible light (20) from a light source (100). The light guide has a first transmission region (1TR), where light is guided from the light source along a first optical path (1OP), and a second transmission region (2TR), where light is guided from the light source along a second optical path (2OP). The light guided along the second optical path has a larger absorption in a first sub band resulting in an absorption difference between the first and the second optical path. The first (1TR) and second (2TR) transmission regions are optically arranged to transmit light so as to relatively reduce a second sub band of the first spectral distribution. The relative reduction between the first (1TR) and second (2TR) transmission regions is proportionated so as to psycho-visually compensate the absorption difference in the light guide (10) resulting in a uniform color emitted from the light guide (10) as perceived by a viewer (200).

Abstract: An optical assembly includes a light source and an optical element. The light source generates light where the color of the light varies based on the direction the light is emitted from the light source. The optical element is positioned transverse to the optical axis and is configured to mix the light. The color of the light mixed by the optical element is substantially independent of the direction at which the light emanates from the optical element.

Abstract: A bulb is adapted to fit over a light-emitting diode emitting a light of a first hue. The bulb is composed of a light-transmitting material and defines an inner cavity. The bulb includes a color-converting insert that is positioned in the inner cavity. The color-converting insert is also composed of a light-transmitting material and includes a light color-converting material. The light-emitting diode emits light of the first hue into the color-converting insert, which converts the light of the first hue into light of a desired hue, which is then emitted into the bulb and ultimately observed over a light-emitting surface of the bulb.

Abstract: To provide a method of manufacturing a display device having an excellent impact resistance property with high yield, in particular, a method of manufacturing a display device having an optical film that is formed using a plastic substrate. The method of manufacturing a display device includes the steps of: laminating a metal film, an oxide film, and an optical filter on a first substrate; separating the optical filter from the first substrate; attaching the optical filter to a second substrate; forming a layer including a pixel on a third substrate; and attaching the layer including the pixel to the optical filter.

Abstract: A projector lamp unit includes: a lamp; a lamp case, housing the lamp; a wire protective member, attached to the lamp case, and comprised from resin having a smaller thermal conductivity than the lamp case; and a resin-covering wire, led from the lamp to the outside of the lamp case through a hole provided with the wire protective member.

Abstract: A stage light fixture is provided with a main body extending along a longitudinal axis; with a light source arranged inside the main body at a closed end of the main body and adapted to emit a light beam substantially along the axis; with an objective lens arranged at an open end of the main body opposite to the closed end along the axis; and with light beam filtering and/or shaping means arranged between the light source and the objective lens for intercepting the light beam, which are movable along the axis of the main body.

Abstract: A lighting system include a point light source, a tubular color adjustment means, and a light-collecting and mixing element. The color adjustment means has a color-converting tubular structure and an adjusting rod. The tubular structure is made of a light-transmitting medium doped with a wavelength-converting material. The adjusting rod is operably connected to and for adjusting the tubular structure. In operation, the point light source emits light of a first wavelength or hue. The color adjustment means adjustably intersects, through the use of the adjusting rod, the light of the first hue and converts at least a portion of the light of a first hue into a light of another hue. The light-collecting and mixing element collects and mixes the light of a first hue and the light of another hue, and directs the mixed light out the open end.

Abstract: A housing is provided for connection between a replaceable lighting unit and a standard lighting unit socket. The housing includes a main body, a holding mechanism for releasably holding a lighting unit and an openable cover for covering a lighting unit held by the holding mechanism. The cover includes a UV filter and the non integral component parts of the housing are held together mechanically without adhesive, such that the housing provides a minimal chemical and UV emission signature.

Abstract: The present invention is directed to a collar for a multi-color light source that is able to convey not only color but also spatial information to a user to permit the colorblind user to distinguish between the different settings of the light source.

Abstract: It is provided an electro-optical device including an electro-optical panel having a display area on which light from a light source is incident and an optical thin film disposed on the electro-optical panel at the side on which the light is incident and covering at least a portion of the display area. The optical thin film transmits at least a light component in a first wavelength range of the light from the light source and reflects at least a light component in a second wavelength range, wavelength in the second wavelength range being longer than wavelength in the first wavelength range.

Abstract: Various embodiments described herein comprise illuminators comprising a phosphor color wheel for producing colored light. Light of a first wavelength emitted by a light source is incident on a phosphor color wheel comprising a plurality of different regions, where at least one of these regions comprises a phosphor that fluoresces at a second wavelength when illuminated with light of the first wavelength. The light from the light source and the different regions of the phosphor color wheel are movable with respect to each other such that as the different regions are illuminated by the light, different colors are produced.

Abstract: A light assembly is provided. The light assembly includes at least one ultraviolet (UV) lamp and a wavelength-converting member. The wavelength-converting member encircles the UV lamp and includes a substrate, and a wavelength-converting layer disposed on the substrate and faces the UV lamp. In this way, the wavelength-converting layer is energized by the ultraviolet light emitted from the UV lamp to emit a visible light in turn.

Abstract: A lighting system for an electronic device comprising at least one movable lens to cover a light source.

Abstract: The present invention relates to a curing assembly comprising at least two light sources combined into one light path, wherein the light sources are capable of curing a material exposed to the combined light path. The invention also relates to a method of curing a material or material in contact with a heat sensitive material comprising providing a curable material or a material associated with a heat sensitive material and exposing curable material to a combined light path from the curing assembly.

Abstract: Light that is emitted from an LED chip at a first angle of incidence or less relative to the LED chip is permitted to leave the LED package. Light emitted from the LED chip at an angle of incidence greater than that is kept from leaving the LED package and is recycled back within the LED package. The recycled light is reemitted from the LED package after its angle of incidence relative to the LED chip has been changed, for example by passing it through a diffuser.

Abstract: An apparatus includes an electromagnetic radiation source, a reflector about the source having an aperture and a curved band pass filter at least partially across the aperture.

Abstract: An infrared light irradiating lamp for a vehicle includes a projection lens disposed on an optical axis extending in a longitudinal direction of the vehicle, a light source bulb disposed behind a rear focal point of the projection lens, a reflector for reflecting light emitted from the light source bulb in a forward direction close to the optical axis by setting the light source bulb as a first focal point of the reflector, a filter driving unit disposed between the projection lens and the light source bulb, the filter driving unit having a movable shaft to be driven in a vertical direction, a bracket having a tip portion and a base end, the tip portion holding an infrared light transmitting filter, and a rotating shaft disposed between the movable shaft to the base end of the bracket for linking the movable shaft to the base end.

Abstract: The optical source assembly/solar simulator comprises a light source, and a reflector for collecting the light and directing the light in a desired direction. In certain embodiments a spectral filter assembly receives the light from the reflector and blocks at least some of the light at specific wavelengths to produce filtered light. The spectral filter assembly is quickly and easily adjustable to vary the spectral spread of the light in the output beam. A homogenizer receives the filtered light and produces a homogenized beam having a substantially uniform irradiance distribution across the beam's cross-section and a substantially uniform spectral distribution across the beam's cross-section. In certain embodiments, a lens assembly images and sizes the homogenized beam at a point in space where a device to be tested can be placed.

Abstract: A light emitting device includes a light emitting body, a base for carrying the light emitting body, an encapsulating material covering the light emitting body and a wavelength conversion material mixing with the encapsulating material. The concentration of wavelength conversion material is characterized by the fact that the concentration of the wavelength conversion material is higher at the higher space that is further from the light emitting body located at the bottom of the light emitting device. Accordingly, the reflection rate of the mixture mixed with the encapsulating material and the wavelength conversion material has gradual variation, and the total reflection on the boundary is reduced thus improves the illumination efficiency.

Abstract: An operating lamp includes at least one white light source for illuminating an operating area, a plurality of colored light sources for illuminating the operating area, and a controller adapted for dimming a light intensity and controlling a spectrum of a combined illumination from the white light source and the colored light sources on the operating area.

Abstract: Disclosed herein is a light emitting device including one or more light emitting diodes to primarily emit light having different wavelengths in the wavelength range of ultraviolet rays and/or blue light, and a wavelength-conversion means to convert the primary light into secondary light in the visible light wavelength range. The light emitting device of the current invention has a high color temperature of 2000 to 8000 K or 10000 K and a high color rendering index of 90 or more, thus easily realizing desired emission on the color coordinate system. Therefore, the lighting emitting device is applicable to mobile phones, notebook computers, and keypads or backlight units for various electronic products, and, in particular, automobiles and exterior and interior lighting fixtures.