Abstract: A vehicle headlamp is provided. The vehicle headlamp includes a light source, an image forming section which forms a light image using light from the light source, and a projection lens which projects the light image. The image forming section includes a boundary shade and movable shades. Each of the movable shades is individually movable between a closed position at which the movable shade blocks a corresponding part of the light from entering the projection lens and an open position at which the movable shade allows the corresponding part of the light to enter the projection lens. The boundary shade is disposed to extend along distal ends of the respective movable shades that are arranged side by side when the movable shades are in the closed positions. When the movable shades are in the closed positions, the boundary shade forms a boundary line of the light image.

Abstract: A direct backlight module supporting apparatus and a direct backlight module are provided. The direct backlight module comprises a backboard, an optical film, at least one light source and at least one direct backlight module supporting apparatus. At least one light source is fixed on the backboard; and at least one direct backlight module supporting apparatus is placed between the backboard and the optical film, wherein the direct backlight module comprises a base and a main body. The base is fixed on the backboard. The main body is a pillar formed on the base. The main body has an opening stretching down from the top of the main body to make a backlight projected to the top of the direct backlight module supporting apparatus. The top of the direct backlight module supporting apparatus supports the optical film.

Abstract: An optical component is provided in the present disclosure. The optical component, which can be used in a backlight module or a display apparatus, comprises a substrate and optical medium poles embedded in the substrate. A refractive index difference between the substrate and the optical medium poles is greater than 0.4. A backlight module and a display apparatus are also provided.

Abstract: A high-intensity light source configuration has a long lifetime and can be modulated at a high rate. The configuration includes a movable member mounted to an actuator; a light-emitting phosphor region associated with the movable member; an input light source that illuminates the light-emitting phosphor region at a spot that is fixed relative to an emitted light output region; and a light source controller controlling the movable member actuator and the input light source. The input light source (e.g., laser) provides high-intensity input light to the illuminated spot, causing the light-emitting phosphor region to emit high-intensity output light. The light-emitting phosphor region is moved relative to the illuminated spot so as to reduce optical quenching and photobleaching, to thereby extend the life of the light source configuration. The phosphor region may emit broadband light and/or may include respective sub-regions having phosphors that emit respective peak wavelengths.

Abstract: Three-digital micromirror devices (“DMD”) are used to alter the shape of light that is projected onto a stage. The DMDs each receive a primary color and selectively reflects some light of that color, thereby shaping the light that is projected onto the stage. The control for the alteration is controlled by an image. That image can be processed, thereby carrying out image processing effects on the shape of the light that is displayed. One preferred application follow the shape of the performer and illuminates the performer using a shape that adaptively follows the performer's image. This results in a shadowless follow spot.

Abstract: An electronic circuit contains a circuit board with conducting tracks to which one or more electronic components with conducting contacts are positioned overlying portions of the conducting tracks and each such electronic component is held in place by a clamp that covers and is contact with the top surface of the electronic components so as to hold their conducting contacts in electrical contact with the conducting tracks of the circuit board. The clamp can include a resilient layer held between the top surface of electronic components and a rigid clamping sheet.

Abstract: A beam transforming element for forming a predetermined light intensity distribution on a predetermined surface on the basis of an incident beam includes a first basic element made of an optical material with optical activity, for forming a first region distribution of the predetermined light intensity distribution on the basis of the incident beam; and a second basic element made of an optical material with optical activity, for forming a second region distribution of the predetermined light intensity distribution on the basis of the incident beam, wherein the first basic element and the second basic element have their respective thicknesses different from each other along a direction of transmission of light.

Abstract: Disclosed is a laser light system for narrow hallways, a night light for small rooms, and a fire evacuation system. The system provides a means for less infrastructure to light narrow and small areas as well as directional lighting for fire escape.

Abstract: This board is a complex including a rigid support covered with a luminous fabric. The rigid support has a front face, a rear face, a first edge, and a second edge opposite the first edge. The luminous fabric at least partly covers the front face of the rigid support, extending from the first edge toward the second edge, and includes optical fibers extending over the front face of the rigid support substantially perpendicular to the first edge and the second edge. First ends of the optical fibers are bent around the first edge toward the rear face of the rigid support, and a gripping element are provided on the first edge and form a clamp for gripping the bent parts of the optical fibers and the first edge of the rigid support.

Abstract: A system and methods for broad area visual obscuration around a platform. In one embodiment the system comprises a source of visible light, shaping optics and projecting optics. The system projects a light beam onto an illumination area in a sweeping pattern to repetitively illuminate all portions of the illumination area, such that a stationary observer within the illumination area receives repeating pulses of the light at a power, intensity, frequency and duration sufficient to visually impair the observer so as to substantially prevent the observer from discerning the platform between pulses. The light pulses are capable of temporarily blinding human eyes but incapable of causing permanent vision loss.

Abstract: A light emitting module is provided with a light emitting element and an optical wavelength converting member. The optical wavelength converting member includes a light incident plane, a light output plane, and an outer plane which is a plane except for said light incident plane and said light output plane. The optical wavelength converting member converts a wavelength of light emitted on the light emitting element and entered from the light incident plane into the optical wavelength converting member and outputs the wavelength-converted light from the light output plane. An average roughness “Ra” of at least a portion of the outer plane is lower than an average roughness of the light output plane.

Abstract: In the light flux controlling member (5), the angle between an optical path of light output from the light emission center (14) of a light emitting element (4) and optical axis L1 is ?2. Light is incident on the light flux controlling member (5) through an input surface and travels inside the light flux controlling member at an angle ?2 with respect to optical axis L1. Then, light is output from a light control output surface (10) at an angle ?3 with respect to optical axis L1. The input surface (15) and the light control output surface (10) are formed such that, in a range 0<?1??1max, the relationship between ?1 and ?2 is reversed from ?1<?2 to ?1>?2 when ?1 increases, and the relationship between ?1 and ?3 is reversed from ?1<?3 to ?1>?3 when ?1 increases.

Abstract: Disclosed is a cover for a compact fluorescent light employing a two piece clamshell shape assimilating a conventional incandescent light bulb. The cover is formed from two clamshells hingedly secured along a top end having inter-engaging means for securing one clamshell to a second clamshell tightly securing the cover to the base of a compact fluorescent light. In the preferred embodiment, the housing is made of material to reduce or eliminate ultraviolet light produced from a gas discharge lamp and provide a cover that can be decorative through the emulation of a conventional incandescent light bulb or decorated with colors and materials wherein the fluorescent light provides back lighting or where images are placed upon the housing so as to allow the back lighting to operate as a projection surface placing images on a wall separate from the light bulb.

Abstract: A nonimaging light assembly for flashlights, including a light source and a lens symmetrical about an optical axis for receiving light from the light source and producing therefrom a light beam having concentrated and divergent components resulting in a high intensity core beam surrounded by a smoothly transitioning lower intensity surround beam. In a preferred embodiment utilizing a light emitting diode as the light source, the combined light beam produced by the light assembly has a substantially circular cross section.

Abstract: The invention relates to a light guide element for a lighting device, wherein the light guide element is elongated in the direction of a main axis (A) and comprises a light coupling surface extending transversely to the longitudinal direction and a light emission surface radiating transversely to the longitudinal direction, and two or more light guides stacked on top of one another, wherein a partial region of the wall of the individual light guides extending in the longitudinal direction is structured and/or blackened.

Abstract: To provide a light guiding film including: a light entrance portion which allows incident light from a light source to enter; a wavelength converting portion which absorbs the incident light and converts the wavelength of the incident light to a wavelength utilizable for growth of a plant; and a light exit portion which allows the light with the converted wavelength to exit.

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: An illumination system includes at least one illumination module and a mechanism. The illumination module includes a light source generating a light beam, a first reflector, in which the light source is positioned, including a first reflective surface to reflect the light beam to form a first beam, and a second reflector including a second reflective surface reflecting the light beam and the first beam to form a second beam and a third beam, wherein the second and third beams combine to generate a projection pattern. The mechanism adjusts the position of the second reflector relative to the light source to change the projection pattern.

Abstract: The invention relates to an optical projection device. Said optical projection device comprises a plurality of light-emitting diode chips and at least one optical element comprising a light input surface which is associated with at least one of the light-emitting diode chips. The light decoupling surface of the light-emitting diode chip, which is adapted to the refraction index, is optically connected to the light input surface of the associated optical element.

Abstract: A light guide ring unit includes a first annular surface, a second annular surface opposite to the first annular surface and an inner side surface connecting the first annular surface and the second annular surface. The first annular surface defines a plurality of first elongated grooves extending along a radius of the first annular surface. The second annular surface defines a second groove extending along a radius of the second annular surface. The first annular surface receives light from a light source, and the light is reflected by the inner walls of the second groove.

Abstract: An array of first micro-structures is formed on a bottom surface of a light guide plate and a number of randomly positioned second micro-structures are formed on an emitting surface of the light guide plate substantially opposite to the bottom surface. The first micro-structure is larger than the second micro-structure. The density of the first micro-structures is smaller than that of the second micro-structures.

Abstract: An intelligent light source for use with the test of a digital camera module provides a plurality of shapes of light. A fast light pulse is created with turn-on and turn-off transitions less than or equal to one microsecond. Other waveform shapes comprise a ramp and a sinusoid, and all shapes can be made to occur once or repetitively. The magnitude of the light has a range from 0.01 LUX to 1000 LUX, and the ramp has a ramp time that has a range from microseconds to 100 ms. The light comprises of a plurality of colors created by serial connected strings of LED devices, where the LED devices in a string emit the same color. The light emanating from the light source is calibrated using a photo diode and the control of a tester by adjusting offset voltages of a DAC controlling a current through the LED strings.

Abstract: A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

Abstract: A light fixture, using one or more solid state light emitting elements utilizes a diffusely reflect chamber to provide a virtual source of uniform output light, at an aperture or at a downstream optical processing element of the system. Systems disclosed herein also include a detector, which detects electromagnetic energy from the area intended to be illuminated by the system, of a wavelength absent from a spectrum of the combined light system output. A system controller is responsive to the signal from the detector. The controller typically may control one or more aspects of operation of the solid state light emitter(s), such as system ON-OFF state or system output intensity or color. Examples are also discussed that use the detection signal for other purposes, e.g. to capture data that may be carried on electromagnetic energy of the wavelength sensed by the detector.

Abstract: A durable optical film or element includes a polymerized structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. Display devices including the durable microstructured film are also described.

Abstract: A lighting lens can sufficiently suppress unevenness color and improve light use efficiency. This light lens has: first incidence surface 20 that is orthogonal to the optical axis; second incidence surface 21 that expands the radius toward the light emitting element 8 side; total reflection surface 22 that expands the radius toward the emitting side; first emission surface 24 that mainly emits light incident on first incidence surface 21, toward illuminated surface 18; and second emission surface 25 that emits light incident on a second incidence surface, toward illuminated surface 18, and forms second emission surface 25 such that positive power in second emission surface 25 is weaker than positive power of first emission surface 24.

Abstract: The present invention is an optic used for producing a desired beam pattern having a body portion having a height and a thickness, and at least one sidewall profile, as well as an input port for receiving light from a light source. The optic of the present invention also includes an output surface formed as part of the body portion on the opposite side of the body portion in relation to the input port, at least one leg portion formed as part of the body portion, and at least one alignment feature formed as part of the leg portion, the alignment feature for controlling the alignment of the optic in relation to the light source.

Abstract: A light distribution board used as an illuminating cover for a lamp set and having on a transparent board of it saw toothed light gratings, each saw toothed light grating is composed of a convex lens surface and a bevel plane lens surface the saw toothed light gratings are arranged at two lateral sides of a central line of the transparent board to form mirror images one side to the other side, the bevel plane lens surfaces are arranged to face respectively to two lateral sides of the transparent board, while the convex lens surfaces are arranged to face to the central line; the top surface is a light receiving surface of the lamp set. The bottom surface of the transparent board is formed thereon a plurality of convex-lens strip like light gratings and the bottom surface is an illuminating surface of the lamp set.

Abstract: The illumination optical system of the present invention guides a luminous flux from light source 11 to display element 20 modulating the luminous flux irradiating display surface 20a according to an image signal, and causes the luminous flux to be incident on display surface 20a at an inclination with respect to the surface normals of display surface 20a. This illumination optical system includes: light tunnel 12 uniformizing an illuminance distribution of the luminous flux incident from light source 11 and emitting the beam; first lens 13 for forming an image of output end 12b of light tunnel 12 on display surface 20a of display element 20; and prism element 19 that is arranged on the optical path between emitting surface 12b of light tunnel 12 and first lens 13 and where incident surface 19a and emitting surface 19b for the luminous flux from light tunnel 12 are formed so as to be planes nonparallel to each other.

Abstract: The illumination optical system includes an integrator configured to divide light from a light source into plural light fluxes, and a collection optical system configured to collect the plural light fluxes from the integrator toward an illumination surface. A rear principal point of the collection optical system is located closer to the light source than a front principal point of the collection optical system. The configuration provides a compact illumination optical system which brightly illuminates the illumination surface with the light and enables high contrast image projection.

Abstract: A backlight module can comprise: a backlight source, a diffuser plate adjacent the backlight source, and a lenticular film having a convex lenticular feature on a viewing side, wherein the diffuser plate is located between the lenticular film and the backlight source.

Abstract: A light flux controlling member can prevent unevenness in the uniformity of brightness due to the glueing of leg parts. This light flux controlling member (100) has: a virtually annular flange (140) that projects outward of a radial direction of a third emission surface (110c) of a light controlling emission surface (110); and leg parts (150) of a round stick shape that are arranged within a range of area width L in a back surface (120) and on the reference optical axis side of the boundary between the flange (140) and the third emission surface (110c), and area width L is given according to the following equation.

Abstract: A secondary optical lamp guard includes an upper half portion, two clamp portions and a lower half portion, and the upper half portion has a plurality of optical refractive angles formed on an internal side of the upper half portion for improving the effect of the optical refractive angles, and the upper half portion and the lower half portion are processed by a plasma treatment to produce nanoscale holes for facilitating the dissipation of heat generated by a light source.

Abstract: The lighting assembly (20) includes a light guide (22) formed of a resin material propagating light through internal reflection. A housing (28) surrounds the light guide (22) and maintains the light guide (22) in a predetermined position. A light transmissive coating (24), such as a vacuum metalized coating, is disposed on the light guide (22) and faces outwardly of the housing (28). The light transmissive coating (24) disguises the resin light guide (22) so that the light guide (22) appears to be a metallic trim. A non-light transmissive coating (26), such as a paint, appearing to be the same material as the light transmissive coating (24), may be disposed on the light guide (22) adjacent the light transmissive coating (24).

Abstract: An LED lighting fixture includes a support structure having a horizontal cross-dimension and a top structure attached to the support structure and extending outwardly beyond the support structure. The top structure has a bottom surface with peripheral portion surrounding a non-peripheral portion. A plurality of LED emitters are positioned on the peripheral portion for emitting light in downward direction substantially outside of the horizontal cross-dimension of the support structure.

Abstract: A subassembly includes a housing, a light pipe core having a top diffusing surface, a light control component associated with the top diffusing surface, and at least one light source coupled to the housing. Preferably, the light control component includes at least one aperture or an array of apertures, and can be made, for example of a plastic or polymer material. The apertures can be in the shape of elongated slits, although other shapes are suitable for some applications. The subassembly can be used in various applications including as part of a document validator.

Abstract: An optical glass includes a substance A generating light of a wavelength ?2 when irradiated with light of a wavelength ?1 and a substance B generating light of a wavelength ?3 when irradiated with light of the wavelength ?1 in the case where the relation between the wavelength ?1, the wavelength ?2, and the wavelength ?3 is assumed to be ?1<?2<?3 with respect to a 100% of basic glass composition containing at least, 2-20% SiO2, 5-45% B2O3, and 10-29% La2O3, by weight, or with respect to a 100% of basic glass composition containing; at least, 2-20% SiO2, 5-45% B2O3, 10-29% La2O3, 0-45% RO (R=Zn, Sr, Ba), 0-10% Ln2O3 (Ln=Y, Gd), and 1-20% total of ZrO2+Nb2O5+TiO2+Ta2O5, by weight.

Abstract: An optical glass contains a substance A generating light of a wavelength ?2 when irradiated with light of a wavelength ?1 and a substance B generating light of a wavelength ?3 when irradiated with light of the wavelength ?1 when a relation between the wavelength ?1 and the wavelength ?2 and the wavelength ?3 is assumed to be ?1<?2<?3 with respect to 100% of basic glass composition containing 2-10% of SiO2, 5-45% of B2O3, and 30-60% of La2O3 or further containing 0-15% of RO(R?Zn, Sr, Ba), 0-40% of Ln2O3(Ln=Y, Gd), and 0-30% of ZrO2+Nb2O5+Ta2O5, and the substance B generates fluorescent light with the wavelength ?3 of 650 nm or more when excited at the wavelength ?1 of 550 nm or less.

Abstract: A method and apparatus for modulating a particular light source used for laser display are provided. The apparatus includes a digital modulator digitally modulating light output from a semiconductor laser to a frequency higher than a repetition frequency required for laser image display; and a pixel brightness adjustor inserting at least one high-speed pulse into a period of the modulated output light, which is required for a single pixel, and adjusting a brightness of the pixel by adjusting the number of the inserted high-speed pulses.

Abstract: A brightness enhancement film (BEF) including a first surface, a second surface, and a side surface is provided. The first surface is a curved surface continuously fluctuant in two dimensions and includes a plurality of axisymmetric convex surfaces and a plurality of non-axisymmetric concave surfaces. Each of the axisymmetric convex surfaces is a curved surface. The axisymmetric convex surfaces and the non-axisymmetric concave surfaces are arranged alternately in the two dimensions and respectively form a plurality of wave crests and a plurality of wave troughs. Each of the non-axisymmetric concave surfaces is a curved surface. The second surface is opposite to the first surface and the side surface connects the first surface and the second surface. In addition, a backlight module employing the BEF is also provided.

Abstract: Disclosed is a baffle assembly configured for asymmetric distribution of light, the baffle assembly including a baffle body, a series of baffle blades disposed with the baffle body, and a series of openings defined by at least one of the baffle body and the blades of the series of baffle blades, the openings being configured for passage of the light, wherein the series of blades is configured to redirect the light that passes through the openings, wherein the blades are angled away from perpendicular or parallel disposal relative to a plane normal to a centerline of the baffle body.

Abstract: The invention relates to a filter device for an illumination system, especially for the correction of the illumination of the illuminating pupil, including a light source, with the illumination system being passed through by a bundle of illuminating rays from the light source to an object plane, with the bundle of illuminating rays impinging upon the filter device, including at least one filter element which can be introduced into the beam path of the bundle of illuminating rays, with the filter element including an actuating device, so that the filter element can be brought with the help of the actuating device into the bundle of illuminating rays.

Abstract: An optical sheet (40) includes a body portion (42) and unit shaped elements (45) arranged side-by-side on a light outgoing side of the body portion, each of the unit shaped elements extending linearly in a direction intersecting the arrangement direction. Each of the unit shaped elements has a tapered cross-sectional shape in a main cross-section. In a main cross-section, the angle of the tangent to either end of the outline of each unit shaped element with respect to the sheet plane of the body portion is not less than 55° and not more than 75°. The optical sheet makes it possible to enhance the efficiency in the use of source light, thereby effectively enhancing the front direction luminance.

Abstract: An apparatus for collimating radiation can include an aperture of subwavelength dimensions and a neighboring set of grooves defined on a metal film integrated with an active or passive device that emits radiation. Integration of the beam collimator onto the facet of a laser or other radiation-emitting device provides for beam collimation and polarization selection. Beam divergence can be reduced by more than one order of magnitude compared with the output of a conventional laser. An active beam collimator with an aperture-groove structure can be integrated with a wide range of optical devices, such as semiconductor lasers (e.g., quantum cascade lasers), light emitting diodes, optical fibers, and fiber lasers.

Abstract: An illumination device (30) includes a plurality of light source units (BLU) each having a light guide plate (1) and a plurality of light sources (21). The light guide plate (1) has an illumination region (4) through which incident beams of light from the light sources (21) are emitted outward and a light guide region (3) through which the incident beams of light from the light sources (21) are guided toward the illumination region (4), with the light guide region (3) and the illumination region (4) laid side-by-side. The illumination region (4) is divided into a plurality of light-emitting sections by slit sections (8), provided in such a way as to extend along directions of optical axes of the light sources (21), which restrict transmission of light. At least one of the light sources (21) is provided to each of the light-emitting sections in such a way as to be placed side-by-side along the light guide region (3).

Abstract: The present invention provides a high-precision planar light source with a sufficiently uniform luminance and sufficient light directivity to direct light to travel in a specific direction, using a simple production process. More specifically, the invention provides: a glass substrate with light directivity produced by applying a paste containing at least one member selected from the group consisting of lithium compounds, sodium compounds, potassium compounds, rubidium compounds, cesium compounds, copper compounds, silver compounds, and thallium compounds, an organic resin, and an organic solvent to one or both sides of a glass substrate containing an alkali metal as a glass component, and then performing heat treatment at a temperature lower than the softening temperature of the glass substrate; and a planar light source using the glass substrate.

Abstract: Illumination surfaces according to the present invention eliminate or at least reduce linear “stitch” artifacts at edges between tiled illumination devices. As a result, light of substantially uniform intensity is emitted across the entire illumination system. This is achieved, in various embodiments, overlapping the illumination surfaces of adjacent light-guide elements.

Abstract: Illumination surfaces according to the present invention eliminate or at least reduce linear “stitch” artifacts at edges between tiled illumination devices. As a result, light of substantially uniform intensity is emitted across the entire illumination system. This is achieved, in various embodiments, by reflecting, through the gaps between adjacent light-guide elements, light directed through the bottom surfaces of the elements.

Abstract: An illumination device having an optical waveguide stage to which is optically coupled a light-projecting stage. The illumination device accepts light from a small isotropic light source such as a light emitting diode or a bulb coupled to the optical waveguide stage. The illumination device spreads the light over a wide area while also collimating it to form a beam. The light-projecting stage and the optical waveguide stage are made of thin slabs of optically transmissive material.

Abstract: Apparatus for illuminating a feature on a transparent light transmitting substrate or window: the substrate is capable of trapping light within itself and propagating the light along the substrate with total internal reflection. A light source is connected by an optical arrangement positioned with respect to one of the surfaces of the substrate for directing light into the substrate at an incident angle selected for propagation of light along the substrate. An extraction feature at a location on the surface of the substrate is configured to illuminate internal reflection at the feature, so that the feature becomes illuminated. Arrangements for the shape, orientation and adjustment of the optic, for configurations of the feature, for coupling the optic and also for coupling the feature to the substrate and particularly its surface are disclosed.