Abstract: An optical assembly for an optical sensor device has a lens plate, a light source, and a light receiving unit. The lens plate includes a lens structure on a side associated with the light source and a light extraction structure on a side facing away from the light source. The lens structure has different local radii of curvature.

Abstract: A headlamp (1) includes a light-emitting section (4) which emits fluorescence upon receiving excitation light from a laser element (2). Energy intensity distribution of the excitation light, which is received by the light-emitting section (4), is a top-hat distribution.

Abstract: Examples are disclosed that relate to the coupling of light into a light guide for a backlight system. One disclosed example provides a flat-panel illuminator comprising a concentrating reflector, a light guide, and one or more light emitters. The example includes a curved reflective portion, a light guide including a planar face and an input edge positioned adjacent the concentrating reflector, and the one or more light emitters are arranged within the concentrating reflector and spaced from the input edge of the light guide.

Abstract: In various embodiments, an illumination apparatus includes an air gap between a sub-assembly and a waveguide attached thereto at a plurality of discrete attachment points, as well as a bare-die light-emitting diode encapsulated by the waveguide.

Abstract: An automated luminaire which allows for the selection of a diffuser or a hot mirror which is mounted to engage the light beam at an angle non perpendicular to the central axis of the light beam and nonparallel or not in the same plane as the diffuser. The selector is articulated in a manner to automatically engage a selector based on what other light modulators are selected to engage the light beam and to automatically oscillate or scan when there is a likelihood of damage to the hot mirror or diffuser based on how long it is engaged and/or light intensity and/or other modulators selected and or temperature sensor data in the luminaire.

Abstract: An optical device for a motor vehicle, comprising a first surface light source emitting light rays wherein it comprises a reflecting optical system deflecting the light rays emitted by the first surface light source.

Abstract: A lava lamp display device comprising: a frame having a permeable vision window at a front surface thereof, and a lamp base and a projection light at a bottom of inner side thereof; a film-coated glass mounted on the vision window; a support bracket having at least one positioning hole thereon; a transparent bottle arranged in the positioning holes; and two reflection mirrors having a center serving as a reference to define the two symmetrical reflection mirrors, and both sides thereof inclined forward to form an angle ? being not parallel with the film-coated glass with 180° angle. After the filler of the transparent bottle is reflected repeatedly by the two reflection mirrors, the vision window shows shapes in an inward serial arrangement in the middle and unlimited extension on both sides, having effects of an illumination lamp device, an art decoration, and special visual in one unit.

Abstract: A magnifying imaging optical unit has at least four mirrors to image an object field in an object plane into an image field in an image plane. An absolute value of the Petzval radius of the image field is greater than 500 mm. The imaging optical unit can be used to inspect with sufficient imaging quality relatively large mask sections of lithography masks used during projection exposure to produce large scale integrated semiconductor components.

Abstract: A display device for lighting objects comprising: a frame having a vision window at a front side thereof, a film-coated glass mounted on the vision window, a support bracket arranged in the frame and having at least one positioning hole thereon, a lighting object having at least a part thereof arranged in the positioning hole and two pieces of refection mirrors having a center serving as a reference to define the first and second symmetrical reflection mirrors and both sides thereof inclined forward to form an angle between 145° and 175°. After a lighting object is reflected repeatedly by the two or more than two reflection mirrors, the vision window shows shapes in an inward serial arrangement from the middle to unlimited extension at both sides, providing effects of an illumination lamp device, an art decoration, and special visions in one unit.

Abstract: A radiation emitter includes a device for coupling radiation from at least one radiation generator and a radiation combining device that combines the radiation to bundled radiation. The radiation combining device includes a telescopic optic with a collimation reflector and a secondary reflector. The radiation combining device is configured to accept directional radiation from a plurality of light conducting devices from at least one radiation generator.

Abstract: A lighting assembly for illuminating an area is disclosed. The assembly includes a housing and at least one light socket disposed within the housing. The light socket is configured to receive at least one light source to emit light therefrom. The assembly also includes a reflective body disposed about the at least one light socket for uniformly disbursing the light, emitted from the light source, out of the lighting assembly. The reflective body includes an array of first reflectors and an array of second reflectors, each disposed about a central axis. Adjacent first reflectors are in an obtuse angular relationship with one another. Each of the second reflectors include a left face and a right face. A reflex angle is formed between the left and right faces of the second reflectors. Each of the adjacent second reflectors are in an obtuse angular relationship with one another.

Abstract: An optical device includes a high pressure discharge lamp, a concave condensing mirror placed so as to surround the high pressure discharge lamp while an optical axis stays extended along a direction of an arc of the high pressure discharge lamp, and an aspherical lens that is placed forward the light exit direction of the concave condensing mirror and that is rotationally symmetrical with respect to the optical axis of the concave condensing mirror, in which a reflecting surface of the concave condensing mirror is configured so as to have a shape set in connection with the shape of a light incident surface and the shape of a light exit surface of the aspherical lens.

Abstract: A high-pressure discharge lamp having an arc tube with a casing made of glass. The arc tube includes a light-emitting part and sealing parts connected to the light-emitting part. A pair of electrode rods are disposed within the glass casing such that their tips face each other with a gap therebetween and project into the discharge space, and their base ends are embedded in the sealing parts and overlap surfaces of metal foils provided in the sealing parts. Each base end is coated with a coating foil made of metal and having a C-like cross section with a slit formed between edges thereof. An end of the coating foil farthest from the light-emitting part is located closer to the light-emitting part than an end of the metal foil closest to the light-emitting part.

Abstract: The invention concerns a semiconductor based light source comprising a back part, a front side and at least one semiconductor chip having an emitting surface, at least one reflective optical element being arranged below said at least one semiconductor chip, a material with low refractive index being disposed on a side of said reflective optical element facing said front side, wherein said semiconductor based light source comprises on said front side a compound material with high refractive index having at least one diffractive optical element embedded therein, such as to direct light incident on said diffractive optical element towards preferred directions.

Abstract: A light output device includes first and second light sources, and a partly transparent mirror arranged between the light sources. The partly transparent mirror, during operation, receives substantially all light emitted by the first and second light sources, and reflects part of the light emitted by the first light source and transmits part of the light emitted by the second light source, and vice versa, such that the light from the first light source is superimposed onto the light from the second light source following reflection/transmission at the partly transparent mirror.

Abstract: An illumination apparatus to illuminate a sample surface with excellent illumination efficiency and a reflective characteristics measuring apparatus using the illumination apparatus. The illumination apparatus includes a plane light source positioned on a normal at a center of the sample surface and a mirror having an internal reflective surface positioned between the plane light source and the sample surface. The internal reflective surface has a circular or polygonal shape in a section perpendicular to the normal and the circular or polygonal shape substantially corresponds to an imaginary circle centered on the normal and having a radius equal to half a distance between the plane light source and the sample surface. In place of the mirror, a plurality of reflective faces may be positioned.

Abstract: A lamp 1 includes a semiconductor light-emitting element 12 and a circuit unit 40 housed in an envelope 2. Within an axially central section of an outer tube 30, a wavelength converter 90 that converts wavelengths of incident light is disposed. The semiconductor light-emitting element 12 is disposed in a region at a side of the wavelength converter 90 facing a base 60 and oriented to have the main emission direction away from the base 60. A light guide 80 is disposed between the wavelength converter 90 and the semiconductor light-emitting element 12 and guides emission light of the semiconductor light-emitting element 12 to the wavelength converter 90. At least one component of the circuit unit 40 is disposed in a region at a side of the wavelength converter 90 opposite the semiconductor light-emitting element 12.

Abstract: A light source device includes: a tubular body disposed in the front side of a reflection mirror in the light emission direction and surrounding an arc tube; a pair of ducts connecting with the tubular body and provided with a first channel and a second channel to guide air; and a channel switching mechanism which allows air to flow through the first channel or the second channel. The tubular body includes a pair of communicating ports configured to supply air flowing through the first channel and the second channel toward the light emission portion. The pair of the communicating ports are disposed on a virtual line passing through the center line of the arc tube and crossing the vertical direction and the horizontal direction as viewed in a direction along the center line.

Abstract: A light source system for a projection device and a projection device comprising the same are provided. The light source system comprises an optical component assembly and a first light source module. The first light source module has a first light emitting diode (LED) and a first reflection cover. The first LED is configured to generate beams. The first reflection cover has a curved surface to reflect and collect the beams from the first LED into the optical component assembly.

Abstract: A short arc high-pressure discharge lamp has an arc tube 1 made of quartz glass including a light-emitting portion 2 that fills mercury inside thereof and has a pair of electrodes arranged so as to face each other, and a sealing portion 3 connected to the light-emitting portion. The pair of electrodes have an electrode bar 5a, one end of the electrode bar is located in an internal space of the light-emitting portion, and the other end of the electrode bar is embedded in the sealing portion and bonded to a conductive metal-foil 7 sealed in the sealing portion. In at least a part of a portion of the electrode bar embedded in the sealing portion, the entire outer peripheral surface thereof is covered tightly with a metal-foil sleeve 7a.

Abstract: A headlamp of an embodiment of this invention includes a laser element, a light emitting section, and a parabolic mirror. A part of the parabolic mirror is provided so as to face an upper surface of the light emitting section, which upper surface has a larger area than that of a side surface of the light emitting section. The light emitting section emits fluorescence in such a manner that distribution of the fluorescence corresponds to the Lambertian distribution.

Abstract: An object of this invention is to provide an incandescent bulb which has sufficiently high brightness and produces a god light distribution on a surface irradiated by the light, and a light source apparatus having high usage efficiency of the light radiated from the incandescent light bulb. The incandescent light bulb is provided therein with a filament that includes a plurality of filament segments made from a single coil formed by winding one wire material that respectively extend along an axial direction of the bulb and are arranged in parallel to form a flat surface, wherein a pitch of the plurality of filament segments located at a central part of the bulb is smaller than a pitch of a plurality of filament segments located at both side portions.

Abstract: A display element includes a light source, an optical waveguide, a light-extracting portion. The optical waveguide has two ends and a side surface. One of the two ends is near the light source. The other of the two ends is far from the light source. The side surface extends from the one end to the other end. The light-extracting portion is provided near the side surface to extract light out of the optical waveguide. In addition, the other end changes a light path of forth-traveling light so that an incident angle of back-traveling light is smaller than the incident angle of the forth-traveling light.

Abstract: The invention discloses a light guide apparatus which comprises a light guide (1). The light guide (1) comprises a plurality of diffraction gratings (2) on a first surface of the light guide (1), wherein each diffraction grating (2) has a pre-set pitch and is configured to diffract a portion of light emitted from a corresponding light source to one side of the light guide (1). As the plurality of diffraction gratings (2) is placed on the first surface of the light guide (1) facing the light sources, the light guide apparatus is more robust to damage and fingerprints.

Abstract: An illumination obscurement device for controlling the obscurement of illumination from a light source which is optimized for use with a rectangular, arrayed, selective reflection device. In a preferred embodiment, a rotatable shutter with three positions is placed between a light source and a DMD. The first position of the shutter is a mask, preferably an out of focus circle. This out of focus circle creates a circular mask and changes any unwanted dim reflection to a circular shape. The second position of the shutter is completely open, allowing substantially all the light to pass. The third position of the shutter is completely closed, blocking substantially all the light from passing. By controlling the penumbra illumination surrounding the desired illumination, DMDs can be used in illumination devices without creating undesirable rectangular penumbras.

Abstract: An artificial light source generator includes at least one luminescent set and a projection plane. The luminescent set includes a light source, a parabolic mirror, a supporting seat, a first lens array, and a second lens array. The light source is disposed at the focus of the parabolic mirror, so that light beams generated by the light source are transmitted in a parallel direction through the parabolic mirror. The supporting seat is for supporting the light source. The first lens array has a plurality of first lens units, and each of the first lens units has a first focal distance. The second lens array has a plurality of second lens units. The distance between the second lens array and the first lens array is 0.5 to 1.5 times the first focal distance. A suitable distance exists between the projection plane and the luminescent set, so that the light beams passing through each of the second lens units cover the entire projection plane. Therefore, the projection plane has excellent illumination uniformity.

Abstract: An illumination light unit has at least one light source that generates illumination light. The unit also includes a reflecting cavity having one or more reflectors and a controlled transmission mirror disposed at an output of the reflecting cavity. The controlled transmission mirror includes an input coupling element, an output coupling element and a first multilayer reflector disposed between the input and output coupling elements. At least some of the illumination light is reflected within the reflecting cavity by the one or more reflectors and is transmitted out of the reflecting cavity through the controlled transmission mirror. The illumination light unit may be used for generating light for space lighting, or for illuminating a display. For example, the unit may be used in a backlight to illuminate a lightguide placed behind a display panel.

Abstract: A light source apparatus that is used in a document reading apparatus that reads document-reflecting light from the document includes a first reflection mirror; a second reflection mirror; and a light guiding member that comprises a light emitting element mounted to one longitudinal end of the light guiding member and a light emitting face in a longitudinal direction, where the first and second reflection mirrors are arranged in parallel to the light guiding member and reflect light from the light emitting face of light guiding member toward a document placement face and where an end point of an optical axis of a first light reflection face is located on the document placement face between an end point of an optical axis of the first reflection mirror and an end point of an optical axis of the second reflection, mirror.

Abstract: The invention relates to a projection system, comprising a radiation source, an illumination system operable to illuminate a structured mask, and a projection objective for projecting an image of the mask structure onto a light-sensitive substrate, wherein said projection system comprises an optical system comprising an optical axis or a preferred direction given by the direction of a light beam propagating through the optical system; the optical system comprising a temperature compensated polarization-modulating optical element described by coordinates of a coordinate system, wherein one preferred coordinate of the coordinate system is parallel to the optical axis or parallel to said preferred direction; said temperature compensated polarization-modulating optical element comprising a first and a second polarization-modulating optical element, the first and/or the second polarization-modulating optical element comprising solid and/or liquid optically active material and a profile of effective optical thickne

Abstract: A discharge lamp (10) has a fixing base (20) on one end. In some embodiments, the fixing base comprises a cylindrical first body portion (21) having a pair of notches (21H), a cylindrical second body portion being larger than the diameter of the first body portion and having a joint (23H), and a groove portion (25) formed in between the first and second body portion and having an equal or less diameter of a space of the pair of notches. A first body portion and a stepped surface (21B) of the groove portion is contacted to a base surface of a lamp holder (50) when the fixing base is inserted to the lamp holder.

Abstract: A front panel display assembly may have an integrated decorative film having first and second sides. The first side may have a half-mirroredrface that allows the passage of light in only a single direction and the second side may have a non-uniform diffusion pattern that extends across it. The non-uniform diffusion pattern may regulate and diffuse light irradiated onto the second side to pass through the integrated decorative film and to be regulated and emitted uniformly across the front panel display assembly.

Abstract: A lighting apparatus of the present invention includes light source (101), rod integrator (105), reflecting mirror (103), diffusion plate (104) disposed adjacently to reflection mirror (103), reflective polarizing plate (107), and wavelength plate (106). The lighting apparatus further includes curved mirror (102) disposed among light source (101), reflecting mirror (103), and diffusion plate (104). Reflecting mirror (103) and curved mirror (102) include apertures (102a and 103a) formed to allow at least light from light source (101) to pass. Curved mirror (102) reflects light leaked from the entrance plane side of rod integrator (105) toward aperture (103a) of reflecting mirror (103).

Abstract: A directional light source comprising refractive and reflective optics is disclosed. In one embodiment, the system comprises refracting apparatus which refracts light into a narrow cone, and reflecting apparatus which recycles light into a direction such that light will emanate from the refracting apparatus in the desired narrow cone.

Abstract: An optical device includes a housing having first to fourth sidewalls and top and bottom plates; and (M?1) partitions between the first and second sidewalls, and has M lens chambers, each filled with first and second liquids forming a liquid lens. A first lens chamber is defined by the first, third, and fourth sidewalls, first partition, and top and bottom plates. The top plate, first sidewall, and first partition respectively have first to third electrodes. An (m+1)-th lens chamber is defined by an m-th partition, third sidewall, (m+1)-th partition, fourth sidewall, and top and bottom plates, m being 1, 2, . . . , or M?2. The top plate, m-th partition, and (m+1)-th partition respectively have first to third electrodes. An M-th lens chamber is defined by an (M?1)-th partition, second to fourth sidewalls, and top and bottom plates. The top plate, (M?1)-th partition, and second sidewall respectively have first to third electrodes.

Abstract: In various embodiments, an illumination structure includes a discrete light source disposed proximate a bottom surface of a waveguide and below a depression in a top surface thereof. A top mirror may be disposed above the discrete light source to convert modes of light emitted from the discrete light source into trapped modes, thereby increasing the coupling efficiency of the illumination structure.

Abstract: A short arc high-pressure discharge lamp has an arc tube 1 made of quartz glass including a light-emitting portion 2 that fills mercury inside thereof and has a pair of electrodes arranged so as to face each other, and a sealing portion 3 connected to the light-emitting portion. The pair of electrodes have an electrode bar 5a, one end of the electrode bar is located in an internal space of the light-emitting portion, and the other end of the electrode bar is embedded in the sealing portion and bonded to a conductive metal-foil 7 sealed in the sealing portion. In at least a part of a portion of the electrode bar embedded in the sealing portion, the entire outer peripheral surface thereof is covered tightly with a metal-foil sleeve 7a.

Abstract: The present invention provides for example a reflecting mirror that has a reflecting surface that is capable or preventing the rise of the temperature of the electrodes due the reflection light.

Abstract: The present invention provides a planar illumination light source device by which uniform illumination light can be obtained over a wide area without increasing the thickness of LEDs in the radiation direction even when a highly directional light source such as LEDs is used, and a planar illumination device using this. The present invention includes a highly directional light source, a light guiding body having a radiation plane in a radiation direction of the light source, a casing that encloses the light source and seals planes other than the radiation plane of the light guiding body, inside reflection means provided in the entirety of the area between the casing and the light guiding body, and radiation side reflection means provided on the radiation plane and reflecting light from the light source at a prescribed ratio. A light emitting diode group consisting of one or a plurality of light emitting diodes is used as the highly directional light source.

Abstract: A light source is combined with an optic and a reflector. Light incident onto to the reflector is reflected with a single reflection. The reflector occupies a portion of a solid angle around the light source to the exclusion of the optic at least with respect to any optical function. The reflector directly receives a second portion of light. The optic occupies substantially all of the remaining portion of the predetermined solid angle to directly receive a first portion of light from the light source. A reflected beam from the reflector is reflected into a predetermined reflection pattern. The inner and/or outer surface of the optic is shaped to refract or direct light which is directly transmitted into the optic from the light source from a first portion of light and/or reflected into the optic from the reflector from the reflected beam into a predetermined beam.

Abstract: The invention relates to a street lamp with improved emission efficiency. The street lamp of the invention includes: a base, a transparent plate, a projecting mirror and a cover. The transparent plate is mounted on an aperture of the base. The projecting mirror is formed as a concave and arc mask with a waved shape, and has a reflecting surface and a lamp holder. The reflecting surface is mounted on the inner concave side and has a plurality of reflecting sections. The lamp holder is mounted on a side wall of the projecting mirror and is used for mounting a lamp. The cover combines with the base. By using a metal halide lamp with low power consumption and high luminous intensity, and having a reflecting surface that has a precise optical design and average light distribution, the street lamp of the invention can reduce power consumption, improve emission and multi-reflection efficiencies, and increase the average luminous intensity and the entire luminous effect.

Abstract: A light source transforming apparatus and a light source apparatus comprising the same are provided. The light source apparatus comprises at least one light source and a light source transforming apparatus. The light source transforming apparatus comprises at least one light guiding medium and color-combining medium. The light source transforming apparatus is configured to receive incident light of the at least one light source and then transform the incident light into emergent light emitted from the color-combining medium and into a light integrator, wherein a divergent angle of the incident light is larger than a divergent angle of the emergent light, and a incident area of the light source is smaller than an emergent area of the color-combining medium.

Abstract: According to one embodiment, an electronic device includes a housing including a recess portion and an ornamental lamp unit fit into the recess portion, wherein the ornamental lamp unit further includes a printed wiring board provided at a bottom of the recess portion, a light source mounted on the printed wiring board, and a first panel fixed to the housing such as to partition an outer environment and an inner side of the recess portion from each other and having translucency, and the first panel further includes a first surface set to face the light source and including a plurality of projection portions which diffuse light from the light source, and a second surface provided on an opposite side to the first surface, the second surface provided with a one-way mirror which transmits light from the light source and reflects light from the external environment.

Abstract: An optical device includes a housing having first to fourth sidewalls and top and bottom plates; and (M?1) partitions between the first and second sidewalls, and has M lens chambers, each filled with first and second liquids forming a liquid lens. A first lens chamber is defined by the first, third, and fourth sidewalls, first partition, and top and bottom plates. The top plate, first sidewall, and first partition respectively have first to third electrodes. An (m+1)-th lens chamber is defined by an m-th partition, third sidewall, (m+1)-th partition, fourth sidewall, and top and bottom plates, m being 1, 2, . . . , or M?2. The top plate, m-th partition, and (m+1)-th partition respectively have first to third electrodes. An M-th lens chamber is defined by an (M?1)-th partition, second to fourth sidewalls, and top and bottom plates. The top plate, (M?1)-th partition, and second sidewall respectively have first to third electrodes.