Abstract: The disclosure is directed to systems for providing illumination to a measurement head for optical metrology. In some embodiments of the disclosure, illumination beams from a plurality of illumination sources are combined to deliver illumination at one or more selected wavelengths to the measurement head. In some embodiments of the disclosure, intensity and/or spatial coherence of illumination delivered to the measurement head is controlled. In some embodiments of the disclosure, illumination at one or more selected wavelengths is delivered from a broadband illumination source configured for providing illumination at a continuous range of wavelengths.

Abstract: A linear light source emits light beams for illuminating a target. The linear light source includes a light guide, and a light-emitting unit. The light guide has a bottom surface, first and second reflecting surfaces extending from opposite side edges of the bottom surface, and a light converging convex surface extending between the first and second reflecting surfaces, curved outward, and having multiple radii of curvature. The light-emitting unit emits light beams that exit through the light converging convex surface to converge at multiple points distributed at distinct positions in a direction perpendicular to a surface of the target, such that the target to be disposed within a range defined by the multiple points is evenly illuminated.

Abstract: A hard-sided suitcase may include polycarbonate shells for forming one or more storage compartments. The suitcase may include fiber-optic fibers or other light emitting devices for providing lighting to the hard-sided suitcase. The fiber-optic fibers may be placed on or within the polycarbonate shells. The suitcase may include a lighting mechanism or controller for sending light through the fiber-optic fibers. The lighting mechanism may be configured to send colored light through the fibers, and to change the light pattern being illuminated at a random and/or predetermined interval. A power source may power to the lighting mechanism. The power source, when switched on, may cause the lighting mechanism to send the light through the fiber-optic fibers. Light emitting diodes may also provide illumination. The lighting mechanism may control the lighting of the light emitting devices individually and simultaneously to facilitate a wide range of potential illumination patterns.

Abstract: A light emitting device of the present invention includes: an LD chip for emitting excitation light; a light emitting body for emitting fluorescence upon irradiation with the excitation light from the LD chip; and a mirror including a light reflecting concave surface for reflecting the fluorescence from the light emitting body, the light reflecting concave surface of the mirror having a through-hole at a region other than a bottom region in the vicinity of the bottom of the light reflecting concave surface, and a truncated pyramid light converging section being inserted into the through-hole in order to guide the excitation light from the LD chip to the light emitting body.

Abstract: The present invention relates to alight-emitting panel (1) comprising: a first panel sheet (11), the first panel sheet being optically transparent; a second panel sheet (12); and a cellular support panel (10) sandwiched between the first panel sheet and the second panel sheet. The cellular support panel comprises optically transparent cell walls (13) defining a plurality of tubular channels (14) extending from the first panel sheet towards the second panel sheet. The light-emitting panel (1) further comprises a two-dimensional light-source array (15;16;24;27) comprising a plurality of light-sources (18a-b;19a-b) each being arranged to emit light into at least one of the tubular channels of the cellular support panel. Various embodiments of the present invention provide a cost-efficient light-emitting panel with advantageous light-emission and mechanical properties.

Abstract: There is provided lighted headgear having a head-fitting fitting portion and a brim portion extending forwardly therefrom. A light source is received within a cavity in the brim portion so that the light source is spaced rearwardly from an outboard edge of the brim portion. A light transmissive portion is disposed forwardly of the light source for transmitting light from the light source therethrough and forwardly of the brim portion.

Abstract: A lighting system has one or more light guides capable of guiding light, each comprising a core and two optically smooth faces. A cavity adjacent to two of the optically smooth faces has an opening and a reflective-transmissive surface opposite the opening. A cover having a light source is proximate to and occludes the opening. A major portion of any light emitted from the light source is reflected by the reflective-transmissive surface of the cavity and is injected into the light guides, and a minor portion of any light emitted by the light source is transmitted through the reflective-transmissive surfaces of the cavity and emitted from the lighting system. A light injection coupler is also disclosed that has an optically transmissive housing and suitable for use to couple ends of at least one light guide thereby making a lighting system.

Abstract: A light source device includes a first light source, a second light source having an emission wavelength that is different from the first light source, and a phosphor that is disposed to be distant from the first light source and the second light source and absorbs light in a predetermined excitation wavelength band to emit fluorescence. The phosphor is disposed on an emission light optical path that is shared by the first light source and the second light source. The emission wavelength of the first light source is in the predetermined excitation wavelength band. The emission wavelength of the second light source is outside of the predetermined excitation wavelength band.

Abstract: A light pipe and an illuminating device having the light pipe may be provided. The light pipe may include an optical film having a glass transition temperature of approximately 110° C. to approximately 180° C.

Abstract: A method and apparatus for imaging using a double-clad fiber is described.

Abstract: A backlight for an appliance knob provides a light pipe that may receive light from a light source fixed behind a console at a variety of different extensions permitting ready adjustment of the light pipe to fit closely behind the appliance knob with different console thicknesses and tolerances.

Abstract: An image forming apparatus 1 is provided with an apparatus main body 2 for performing a predetermined process on a sheet, a cover 34 openable and closable relative to the apparatus main body 2, a light emitting unit 51 provided in the apparatus main body 2 and including an emission source 511 for generating light, a control board 512 for controlling the emission source 511 and causing it to generate the light and wiring 513 electrically connected to the control board 512, and a display member 52 provided in the cover 34, arranged to face the emission source 511 and including an incident portion 521 on which the light is incident, an output portion 522 for outputting the light to the outside and a light guide portion 523 for guiding the light from the incident portion 521 to the output portion 522.

Abstract: Proposed is a luminaire (1), comprising light sources (10) and optical elements (20). The light sources (10) are arranged in a first (11) and a second array (12), while the optical elements (20) are arranged in a first (21) and a second section (22). The first ‘light sources' array (11) and the first Optical element’ section (21) form a first group (31), and the second array (12) and the section (22) form a second group (32). The luminaire (1) is characterized in that the optical elements (20) of each group are arranged to have different beam shaping characteristics, and the arrays (11,12) are arranged to be individually addressable. This is especially advantageous in illumination applications where the control of the beam shape is required or desired. Advantageously, the invention provides a luminaire (1) capable of adjusting the beam shape without using an adjustable optical system. Moreover, the control bandwidth of the light sources limits the speed with which the beam shape can be adjusted.

Abstract: A wall wash lighting fixture includes a light source, a light pipe below the light source and a reflector offset from and surrounding the lower end of the light pipe. The lower end of the light pipe has an oblique, light-emitting face that provides uniform wall illumination up to a high vertical angle. The reflector faces substantially away from the wall and provides room-side illumination below about 45 vertical degrees. A preferred embodiment is suited for retrofit recessed installation, especially where small-aperture downlights are desired.

Abstract: Described herein are optical devices including resonant cavity structures. In one embodiment, an optical fiber includes: (1) an elongated core including an outer surface; (2) an inner reflector disposed adjacent to the outer surface of the core and extending substantially along a length of the core; (3) an outer reflector spaced apart from the inner reflector and extending substantially along the length of the core; and (4) an emission layer disposed between the outer reflector and the inner reflector and extending substantially along the length of the core, the emission layer configured to emit radiation that is guided within the optical fiber.

Abstract: An electronic apparatus includes a fan unit having a first connector part and a second connector part disposed at different positions, and a housing configured to accommodate the fan unit. The housing includes a connector and a connector protecting part. The connector is configured to be connected to one of the first and the second connector parts, and the connector protecting part is configured to cover the other one of the first and the second connector parts when the fan unit is inserted into the housing.

Abstract: The disclosure of the present application includes a light pipe assembly having a light pipe with a proximal end, an opposing distal end, a length between the proximal end and the distal end, and a surface, the surface having an emitting portion and an overlay portion, where the light pipe is a material capable of transmitting light with a first refractive index; and a reflective secondary surface having a second refractive index and a width, the reflective secondary surface positioned adjacent the overlay portion of the light pipe, where the first refractive index is greater than the refractive index of air, and the second refractive index is greater than the first refractive index. In at least one embodiment, the reflective secondary surface is a non-metallic material capable of reflecting light. In at least one embodiment, the width of the reflective secondary surface varies along the length of the light pipe.

Abstract: A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface. The light source emits light rays, and faces the light incident surface. The light incident surface guides the light rays into the light guide pole, and the at least one side surface totally reflects the light rays. At least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole. The at least one slot destroys the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface.

Abstract: An anti-glare light source including a linear light source, at least one sleeve and a light adjusting element is provided. The linear light source is suitable for providing a light. The sleeve covers at least one end of the linear light source. The light adjusting element is disposed between the sleeve and the linear light source, wherein the light adjusting element includes a plurality of prism portions. The prism portions cover a portion of the linear light source and arrange along the extension direction of the linear light source, such that the distribution of the light converges along the extension direction of the linear light source.

Abstract: A light pipe assembly may include a first light pipe having a light pipe column element at an end of the first light pipe. The light pipe column element may have a plurality of light pipe columns. The light pipe assembly may include a second light pipe having a plurality of light pipe column receptacles at an end of the second light pipe. Also, an electrically conductive panel having a light pipe aperture. The light pipe aperture may have a plurality of light pipe channels. The plurality of light pipe columns is adapted to pass through the plurality of light pipe channels and be received by the plurality of light pipe column receptacles.

Abstract: An illumination apparatus includes: a light source that emits light at a plurality of wavelengths; and a rod-like light guide that shapes light emitted by the light source into a line, wherein the light guide is made of a material including a region in which transmittance of wavelengths is not constant, the light source is arranged at one end of the light guide in a longitudinal direction, the light source includes a wavelength of a region in which transmittance of the light guide is not constant, and a reflection surface including reflection member having reflectance differences for the light at a plurality of wavelengths is formed at the other end of the light guide in the longitudinal direction.

Abstract: A linear light module having an optical coupling element and a light pipe is described. The optical coupling element receives light emitted by multiple light emitting diodes (LEDs) having different emission wavelengths and couples the light efficiently to a linear light pipe. The light from the LEDs is efficiently mixed by the optical coupling element and the light pipe to produce a linear light output that is uniform in color and intensity. Diffusers can be used with the optical coupling element and light pipe at various locations to further enhance the uniformity of the emitted light.

Abstract: An image reading apparatus includes an array substrate in which a plurality of point light sources is mounted along the main scanning direction, a light guide member disposed on a surface of the array substrate that mounts the plurality of point light sources, and guiding light from the plurality of point light sources to the document surface, a frame for fixing the light guide member and the array substrate, a positioning unit that determines the positional relationship of the frame with the light guide member and the array substrate in a configuration in which the incident surface of the light guide member is in proximity to or in contact with the plurality of point light sources; and an image reading unit that uses reflected light when illuminating light from the plurality of point light sources through the light guide member onto the document surface to thereby read the document image.

Abstract: A light concentrating optic for use with a photovoltaic device includes a light pipe having a first end portion for receiving light and a second end portion for outputting concentrated light. An optical element is coupled to the light pipe on the first end portion and configured to form an optical interface between the light pipe and the optical element. The optical element includes at least one light transmitting surface configured to redirect incident light entering the optical element to disperse the light to fall incident on side walls of the light pipe to increase homogeneity and intensity of light through the second end portion.

Abstract: A light emitting device can include a base portion including a surface, a back surface, and a first through hole penetrating the surface and the back surface. A light-transmitting member can be fixed to the surface so as to cover the first through hole. A semiconductor light emitting element can emit light to pass through the first through hole and for irradiating the light-transmitting member. An optical system can be provided for condensing the light from the semiconductor light emitting element and locally irradiating the light-transmitting member with the light. A foil body can be provided and can include a second through hole for light emitted from the light-transmitting member to pass through and has elasticity. The light-transmitting member can be sandwiched between the foil body around the second through hole and the base portion with part of the light-transmitting member exposed from the second through hole.

Abstract: A frame-supported vehicle, such as a bicycle or the like, has at least one frame component made of a light diffusing or fluorescent translucent or transparent material to form a leaky light pipe, and at least one light source in light communication with the frame component, whereby light propagates within the frame and is visible from outside the frame by diffusion or fluorescence or a combination thereof. The bicycle is highly visible at night, and may carry logos or other indicia that are enhanced by the background illumination, which may be redirected out of the tube.

Abstract: An objective is to provide a light source device having a light emission source such as a semiconductor laser (LD), an LED and a lamp, and an optical part such as a lens and a fiber for transmitting, transferring and light-focusing, in which, by controlling the amount of sulfate ions inside the device at a low level, adhesion of ammonium sulfate to the optical part can be prevented. The light source device includes a light source for emitting light, an optical part for processing light emitted from the light source, and a housing in which the optical part is housed, or to which the optical part is mounted, and the housing is formed by machining material that includes no sulfur component, and the material is exposed on the surface thereof.

Abstract: An illumination system employing a waveguide. Light received from an edge or an end of a waveguide is propagated in response to transmission and total internal reflection. Light deflecting elements distributed along the propagation path of light continuously change the out-of-plane propagation angle of light rays and cause decoupling of portions of the propagated light from the core of the waveguide at different distances from the light input edge or end. Light escapes from the waveguide into an intermediate layer at low out-of-plane angles and is further redirected by light extraction features out of the system. In one embodiment, the illumination system is configured to emit collimated light. In one embodiment, the illumination system includes shallow surface relief features. In one embodiment, the light deflecting elements include forward-scattering particles distributed throughout the volume of the waveguide. Additional collimating and non-collimating illumination units and methods are also disclosed.

Abstract: An optical device including a first optical fiber providing optical communication between one surface of the device and a target, the first optical fiber having one end located at that one surface of the device, a number of semiconductor light sources, each semiconductor light source from the number of semiconductor light sources disposed on a surface surrounding the first optical fiber and located away from the one end, and an optical system optically disposed to receive electromagnetic radiation from each semiconductor light source and image the electromagnetic radiation received from each semiconductor light source onto a core area of the one end of the first optical fiber.

Abstract: Disclosed are a light emitting device and a light emitting element that can decrease fabrication difficulties, while improving lighting efficiency and controlling the distribution of intensity that occurs in the emitted light. A light emitting device comprises a rod-shaped light guide, an LED that inputs light to the light guide, and a prism that changes the direction of light input from the lengthwise end of the light guide, and emits redirected light from a light exit surface that is disposed opposite the prism. The light emitting device is constituted so that an input lens is formed at the lengthwise end of the light guide as a parallel light forming body to make light exiting from the LED toward the light guide nearly parallel light, and the LED is shifted from the center axis of the light guide toward the side closer to the prism, or toward the side away from the prism, and thus said nearly parallel light is directed to the exit surface of the light guide or to the prism.

Abstract: The invention relates to a light-output device (1; 10; 30) controllable to provide different light-output functions. The light-output device comprises a light-source arrangement (12; 31) configured to emit light; and a light-guiding system (10; 32) arranged to receive the light and configured to guide the light to at least one light-output surface of the light-guiding system. The light-guiding system (10; 32) comprises at least a first light-guide (11b; 37) and a second light-guide (11a; 40, 41); and the light-guiding system (10; 32) is movable relative to the light-source arrangement (12; 31) between at least a first position where light output by the light-source arrangement is guided by the first light-guide (11b; 37) to provide a first light-output function, and a second position where light output by the light-source arrangement is guided by the second light-guide (11a; 40, 41) to provide a second light-out put function, different from the first light-output function.

Abstract: A light conduit nautical navigation light with improved usable life and reliability. It replaces electrical energy coupling by light energy coupling, thereby eliminating electrical contact corrosion problems. It further offers a more robust light emitting structure due to its solid structure.

Abstract: A light assembly includes a light source circuit board and a plurality of light-emitting diodes disposed on the light source circuit board. A plurality of light pipes axially extends from and adjacent to each light-emitting diode. Each light pipe has a respective first end adjacent to the plurality of light-emitting diodes and a second end opposite to the light-emitting diodes. The plurality of light pipes communicates light from the light-emitting diodes therethrough and defines a cavity therebetween. A plurality of thermal vanes forms a heat sink for removing heat from the light-emitting diodes. The plurality of thermal vanes extend adjacent to the plurality of light pipes. A driver circuit board is disposed within the cavity.

Abstract: A luminaire module includes at least one light-emitting element (LEE); a light guide (LG) extending in a first direction from a first end of LG to a second end of LG to receive at the first end light emitted by the LEE and configured to guide the light to the second end; and an optical extractor (OE) optically coupled to LG at the second end to receive light from the LEE guided from the first end to the second end of LG. OE includes a first interface configured to reflect a first portion of the light exiting the LG and transmit a second portion of the light exiting the LG so that the second portion of the light exits OE to an ambient environment in the first direction, and a second interface configured to transmit light incident thereon to the ambient environment in a direction different from the first direction.

Abstract: A storage box with illumination includes a storage unit that stores an article, a lid unit that is slidably attached on the storage unit and adapted to open and close an opening portion of the storage unit, a light source unit that is attached and fixed on the storage unit and adapted to emit light, a first light guide body that is attached and fixed inside the storage unit, a second light guide body that is attached and fixed inside the lid unit, and a light emitting portion that is disposed on an upper surface of a front end of the lid unit, which is a handle portion of the lid unit, and has a shape whose width in a width direction of the lid unit is wider.

Abstract: A lighting system for an information display device, the lighting system including a light guide including at least one area into which the light produced by a light source is injected, the light guide also being used as a guide element for at least one electrical connector for the electrical connection between the information display device and an electronic control circuit of the information display device, wherein the light guide is coated, in the light injection area, with a layer of electrically non-conductive material which absorbs light.

Abstract: An illuminatable apparatus includes a fabric sheet containing fiber optic rods interwoven with fabric threads. The ends of the fiber optic rods are bundled together to form a ferrule which is removably insertable into a holder carrying a light source and a power source. An outer ferrule can be fixed over the sleeve-like ferrule or robust applications. The holder may be removably attached to articles of clothing. The illuminatable fabric sheet can be used as an optical bandage, in a medical cast, in a negative pressure device, or in a bed pad/sheet, or in a therapeutic brace support.

Abstract: A light source device having: a light source; first and second light guides extending in a first predetermined direction to guide light in the first predetermined direction and irradiate a document with the light; and a confinement portion that confines light emitted by the light source and is connected to one end of the first light guide and one end of the second light guide, in which the light confined in the confinement portion is reflected off both first and second reflection surfaces provided in the confinement portion, and thereby travels through the first and second light guides in the first predetermined direction.

Abstract: An illumination system employing an elongated waveguide having a non-round transversal cross-section and having at least a portion of its surface shaped in the form of a linear collimating element. The waveguide further employs at least one array of light extracting features distributed along a longitudinal axis of the waveguide and disposed in the focal area of the respective linear collimating element. Each light extracting feature has an active aperture which is substantially less than the light receiving aperture of the linear collimating element and is configured to redirect light propagating in the waveguide generally towards a normal direction with respect to the longitudinal axis of the waveguide. Light rays redirected by the light extracting features are further collimated by the linear collimating element and exit from the waveguide in the form of a directional beam.

Abstract: A light-emitting electronic textile (2) comprising a flexible component carrier (3) having a plurality of light-sources (4a-c) arranged thereon; a cover textile (5) arranged to allow passage through the cover textile (5) of light emitted by the light-sources (4a-c); and a light-diffusing member (6) arranged between the light-sources (4a-c) and the cover textile (5). The light-diffusing member (6) comprises a layered structure formed by a plurality of light-diffusing layers (12a-c; 16a-b; 19a-c), wherein adjacent light-diffusing layers in the layered structure are spaced apart at least in portions of the light-diffusing member (6) corresponding to positions of the light-sources (4a-c).

Abstract: A control module having a plurality of control elements configured to control a first function of the control module in a first operating mode and another function of the control module in another operating mode of the control module. The control elements are grouped into different groups of control elements. Each group of control elements corresponds to a predetermined group of functions of the control module. The grouping is dependant on the operating mode of the control module. An illumination system provides illuminated control-dividing surfaces that visually separate one group of control elements from another group of control elements. The illumination system illuminates the control-dividing surfaces according to the grouping of the control elements and according to the operating mode.

Abstract: A lighting device (30) comprises a side-light light guide 1? located in a support (2) that has an elongate opening for the passage of light emitted by the light guide. The support (20) is shaped to provide contact edges (24) and the only physical engagement between the support and the light guide is along those contact edges. The support also has planar surfaces internal positioned adjacent, and parallel to, planar surfaces (15) in the light guide to retain the light guide in the required orientation in the support. To enhance the flexibility of the support, in some embodiments only part of the support is continuous along the whole length of the support (FIGS. 14 to 19).

Abstract: A cavity illumination system according to the present disclosure may include one or more illumination elements composed of a transparent or semi-transparent, biocompatible sterilizable polymer and one or more illumination sources. The sterilizable polymer operates as a waveguide. An illumination element may incorporate micro structured optical components such as for example gratings, prisms and or diffusers to operate as precision optics for customized delivery of the light energy. The micro structured optical components may also be used to polarize and/or filter the light energy entering or exiting the illumination element.

Abstract: A connector assembly that includes a receptacle connector and a light pipe. The connector is configured to receive a removable device inserted along a longitudinal axis. The connector has a side surface that extends along a plane defined by the longitudinal axis and a vertical axis that is perpendicular to the longitudinal axis. The connector includes a ledge and a positive stop that project laterally outward from the side surface. The ledge has a ledge surface that joins the side surface. The light pipe extends substantially along the longitudinal axis. The light pipe has an inward-facing surface that is substantially flat throughout and abuts the side surface of the connector. The light pipe rests upon the ledge surface and the positive stop is positioned on the side surface to block the light pipe from moving in at least one direction along the longitudinal axis.

Abstract: A boroscope includes a working head having first and second ends. A first optical fibre extends through the boroscope to a position between the first and second ends. A second optical fibre extends through the boroscope to the second end of the working head. A laser optical fibre extends through the boroscope. At least one lens is arranged between the first end and the second end of the working head and a mirror is gimballed to the second end of the working head. The laser optical fibre directs laser light transmitted through the laser optical fibre onto the lens and then onto the mirror. A first LED is arranged at a position between the first end and the second end of the working head and a second LED is arranged at the second end of the working head and an actuator devices adjust the position of the mirror.

Abstract: A headlamp includes the laser chip which emits excitation light, a light-emitting section which contains a phosphor, and an optical rod. The excitation light emitted from the laser chip is optically guided by the optical rod, and the light output from the optical rod enters the light-emitting section. An edge is present in the light intensity distribution of the light-emitting section.

Abstract: The present invention provides a transmission apparatus for transmitting a light signal between an outside and an inside of a vacuum chamber, comprising a plurality of first transmission lines configured to transmit a plurality of light signals outside the vacuum chamber, a plurality of second transmission lines configured to transmit the plurality of light signals inside the vacuum chamber, and a light-transmissive member configured to transmit the light signals between the plurality of first transmission lines and the plurality of second transmission lines, wherein the light-transmissive member has a structure formed to isolate light paths of the plurality of light signals between the plurality of first transmission lines and the plurality of second transmission lines from each other.

Abstract: The present invention relates to a household appliance (1) comprising a control panel (2) produced from glass, a circular opening (3) disposed on the control panel (2), a knob (4) disposed in the opening (3), a casing (5) fixed to the rear side of the control panel (2), extending inwards from the control panel (2) and which protects the knob (4), light source (8) LEDs placed on the rear wall of the casing (5) and a light conductor (9) placed in the casing (5) and which provides the periphery of the knob (4) to be illuminated.

Abstract: A microstructure optical adapter or tip according to the present disclosure may incorporate precision micro structure optical components engaging the input or output end of light energy delivery devices for customized light delivery of the light energy. The incorporation of precision micro structure optical components in injection molded plastic or glass parts will allow for inexpensive modification of the output light while also serving to protect the end of the illumination device. The micro structure optical components may also be incorporated in an adapter to tailor the light energy to the subsequent device.

Abstract: A light guide decorative plate includes a light permeable insulated decorative plate, and at least one optical fiber embedded in the light permeable insulated decorative plate. The optical fiber has one end exposed from the light permeable insulated decorative plate for guiding light emitted from a light source into the optical fiber, and another end opposite to said one end for exit of the light therethrough. A touch light decorative plate is also disclosed.