Abstract: A white film has reflective properties, concealing properties and film-forming stability and can be made into a thin film, a white film, which contains voids therein and satisfies the following formulae (i) to (iii) is provided: 0.6?nB/nA?0.9 ??(i) 20?nA ??(ii) 15?nB ??(iii) (wherein, nA represents the number of interfaces in 10 ?m of the surface layer in the film thickness direction; and nB represents the number of interfaces in ±5 ?m of the central part in the film thickness direction).

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 object of the present invention is to provide a mounting substrate, a manufacturing method, a light-emitting module and an illumination device that can sufficiently improve the luminous efficiency of an LED lamp. A mounting substrate according to the present invention includes a substrate and a reflective film that is formed on a front surface of the substrate and has a front surface on which LED chips are to be mounted, and the reflective film is made of metal oxide microparticles and a glass fit, and reflects light from the LED chips.

Abstract: A light emitting apparatus emits light emitted from a light emitting element (200) mounted on a substrate (300) via a luminous flux control member (100). The luminous flux control member (100) has a bottom surface section (101) opposite to the substrate (300), an input surface section (106) for causing the light emitted from a light emitting element (200) to enter inside the input surface section (106), a light control output surface section (102) for refracting the light having entered from the input surface section (106) and outputting the light outside, and two or more leg sections (103) are formed to project outward from the bottom surface section (101) inside a circle with a circumference on which a position where the amount of light reflected by the light control output surface section (102) and yet reaching the bottom surface section (101) peaks is located, and attached to the substrate (300).

Abstract: An omnidirectional semiconductor light emitting device lamp has a light distribution characteristic having a large range similar to that of a general incandescent lamp. The semiconductor light emitting device lamp includes a light emitting device for emitting light in all directions and reflection plates arranged at a front surface and a lateral surface of the light emitting device. The light emitted from the light emitting device is reflected from the reflection plate located at the front side and the reflection plate located at the lateral side and emitted to a rear side of the light emitting device. A reflection film is formed on all exposed portions of a surface of the substrate on which the light emitting device is mounted.

Abstract: A light engine for a high intensity light that may be compliant with FAA or ICAO standards is disclosed. The light engine includes a first light emitting module having a light emitting diode mounted in a horizontal plane. A reflector has a reflective surface in perpendicular relation to the light emitting diode. The reflective surface is defined by combining the integrals of a required beam emission specification with the integrals of the light emitting diode. The resulting reflective curve is modified with focal length and curve based on horizontal plane position variables relative to the light emitting diode around an azimuth angle.

Abstract: A light distributor includes a panel (202) having a textured surface (206) and a light distribution surface. A number of LEDs (204) are located in proximity to the textured surface. Some of the light (208, 212) impinging on the textured surface (206) is refracted or reflected (214, 216) into the panel (202) from where it can be transmitted through the distribution surface.

Abstract: The present invention provides an LED light-source structure and a backlight module comprising an LED light-source, wherein the LED light-source structure further comprises a light reflecting device, and the light reflecting device is disposed corresponding to a light output surface of the LED light-source, and the light reflecting device has at least one light output opening, and the periphery of the light output opening is a plate-shaped frame for reflecting the light of the LED light-source, and a vertical size of the light output opening is less than a height of the light output surface of the LED light-source. With use of the present invention, all or most of the light emitted from the light output surface of the LED light-source can be inputted into a side input surface of a light guide plate (LGP), thus reducing a light scattering loss and improving a light input efficiency of the LED.

Abstract: A lighting structure comprises a light generation assembly comprising a light source for generating light. In order to meet desired lighting requirements, the lighting structure further comprises a substantially plate-shaped light guiding structure. The light guiding structure is provided with a light assembly recess and a light emission structure. The light generation assembly is arranged in the light assembly recess of the light guiding structure such that light emitted by the light generation assembly enters and propagates in the light guiding structure. The light emission structure is arranged for emitting the propagating light from the light guiding structure.

Abstract: There is provided a display apparatus. The apparatus includes: a display module; a front panel disposed on a front surface of the display module; a light shielding layer disposed on the outer peripheral area of the front panel; a pattern layer of which at least a part is overlapped with the light shielding layer; and a light source, wherein a pattern formed on the pattern layer emits light by using light provided from the light source.

Abstract: A lighting device includes a light source, a chassis housing the light source, and a reflection sheet provided in the chassis. The reflection sheet includes a bottom portion and a sloped portion. The bottom portion extends along a surface of the bottom plate and the sloped portion extends from a peripheral edge of the bottom portion. The sheet sloped portion is inclined with respect to the sheet bottom portion toward a light exit side of the lighting device. The reflection sheet includes a border portion and an adjacent portion. The border portion includes a borderline between the bottom portion and the sloped portion and an area along the borderline, and the adjacent portion is provided close to the border portion and on a side far away from the borderline. Light reflectance is higher in the border portion than in the adjacent portion on the surface of the reflection sheet.

Abstract: A reflector is rotatably coupled to a light emitting diode (LED) module assembly. The reflector includes multiple alignment features that correspond with multiple notches provided in a reflector attachment coupled to a LED light source. The reflector can be made of a non-conductive substrate material, such as glass, and can have a non-conductive, reflective coating deposited on the inner surface of the reflector to allow the reflector to be more closely positioned to the LED light source. Reflector attachments can help to maintain precise reflector position during coupling with the LED light source. Media holders can be removably coupled to the light emitting portion of the reflector and provide for the quick mounting and placement of one or more optical media in the light path output by the reflector.

Abstract: The invention provides a mounting bracket for attachment of various auxiliary optical devices such as daylight-vision optical scopes, night-vision monoculars, etc., to a weapon. A distinctive feature of the mounting bracket is that the bracket, itself, incorporates an optical system for projection of an image of the reticle (or other patterns) without use of additional mounts or external reticle or red-dot devices. Most importantly, the bracket allows use of inexpensive optical devices, e.g., a standard monocular, which can be used as a universal optical device, such as an optical sight, a spotting scope, a goggle, a part of a red-dot aiming system, or the like.

Abstract: A highly directional light source device, more specifically, a light emitting element electrically connected on a substrate to produce light, and one interior having a photon recycler with a reflective surface, covered and set on one side of this substrate, and an opening set in the center of the top of the cover which corresponds with the light emitting element, thereby allowing the light from the light emitting element to be directly emitted out the opening, and then to be reflected back to the light emitting element through the reflective surface of the photon recycler, and after light is reflected or refracted according to the structure of the light emitting element, again through the opening the light is emitted onto the photon recycler, thereby achieving increased Étendue of the highly directional light source device and achieving the goal of effective light emission.

Abstract: To provide a substrate for mounting a light-emitting element with a reduced gap to achieve insulation between a reflection film and electrical wiring conductors formed on a LTCC substrate for mounting a light-emitting element, its production process and a light-emitting device. A substrate for mounting a light-emitting element, which comprises a substrate main body having a mounting surface for a light-emitting element; electrical wiring conductors to be connected to an electrode of the light-emitting element, arranged at a stepped portion provided on the mounting surface of the substrate main body; a reflection film formed on the mounting surface excluding the stepped portion and the vicinity of its periphery; and an overcoat glass film provided on the mounting surface so as to cover the entire reflection film including its edge and so as to exclude the stepped portion and the vicinity of its periphery.

Abstract: The lighting apparatus comprises: a first and a second light sources comprising a plurality of a light emitting devices disposed on one side of a substrate respectively; a heat radiating body which radiates heat from the plurality of the light emitting devices, comprises a space for housing the first and the second light source, and comprises an opening allowing light emitted from the plurality of the light emitting devices of the first and the second light sources to be emitted; and, a reflector being disposed on the heat radiating body and comprising a reflective surface for reflecting the light emitted from the light emitting devices of the first and the second light sources to the opening of the heat radiating body, and wherein the reflective surface of the reflector comprises two surfaces, and wherein the ends of the two surfaces are in contact with each other at a predetermined angle.

Abstract: An light guide (12) has an indented pattern (105) on its front surface (10a) and an indented pattern (103) on its back surface (10b), and includes: a light guide plate (15) including the indented pattern (105) provided on the front surface (10a); a light distribution control part (13) including the indented pattern (103) provided on the back surface (10b); and a middle layer (14) provided between the light guide plate (15) and the light distribution control part (13), the light distribution control part (13) being less in film thickness than the light guide plate (15), and the light distribution control part (13) having a glass transition point lower than that of the light guide plate (15). This makes it possible to form indented patterns on the front surface and the back surface of an optical laminate constituted by a stack of a plurality of layers, while preventing occurrence of defects.

Abstract: An optical arrangement for a solid-state lamp is disclosed. A highly reflective secondary reflector is located adjacent to but not in contact with an optical element. In some embodiments, the reflector presents a white, diffuse reflective surface. A secondary reflector with a specular reflective surface can also be used. The secondary reflector can be made of various commercially available materials; for example, MCPET or polycarbide resin, and the arrangement can be used with an LED light source. In some example embodiments, the optical element and the highly reflective secondary reflector each have a plurality of lobes and the arrangement is suitable for an MR16 halogen lamp replacement. In other example embodiments, the highly reflective secondary reflector includes a plurality of recesses corresponding to a plurality of optical elements, and the arrangement is suitable for a PAR incandescent bulb replacement.

Abstract: A reflector capable of suppressing contrast reduction caused by retro-reflection of outside light, a display device having the same, and a method of manufacturing the same are provided. The reflector includes: a base having first and second opposed surfaces, the second surface being provided with a reflective element; and a light absorbing film formed in a region other than the reflective element in the second surface.

Abstract: An edge-lit lighting product or luminaire includes a light guide made of a single, transparent material and demonstrates properties of total internal reflection with respect to a surrounding environment. The light guide has a thickness and includes a proximal edge, a distal edge and a boundary surface. The proximal edge receives light from a light source. The distal edge is spaced apart from the proximal edge, is configured to emit at least a portion of the light from the light source, spans across a first distance and has a substantially axial symmetric surface. The first distance is greater than the thickness of the light guide. The boundary surface extends between the proximal edge and the distal edge and defines a boundary between the single, transparent material of the light guide and the surrounding environment of the light guide. At least a portion of the boundary surface is curved.

Abstract: A back light unit including a light emitting device assembly is disclosed. The light emitting device assembly includes a light emitting device module having a light emitting device, a light guide plate having a light incidence part disposed adjacent to the light emitting device module so that light generated from the light emitting device is incident upon the light incidence part and a light emission part from which the incident light is emitted, a reflective sheet provided at one side of the light guide plate, and a light adjustment part extending from the reflective sheet for adjusting a reflection amount of the light emitted from the light guide plate.

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: A lighting device has a light source, a reflector dish with a central opening facing the light source, and a lens between the light source and the reflector dish. The lens is so arranged that light emitted from the source towards the central opening of the reflector dish is diffracted away from the central opening. The reflector dish is arranged to reflect light received from the source through the lens back past the lens and source.

Abstract: Uniform illuminating light is obtained on a surface at a prescribed distance from a radiation surface without increasing the thickness in a light radiation direction by using the light from the light source highly efficiently.

Abstract: A light guide plate comprising a flat-plate member provided with a first surface including a flat surface portion and a recessed portion in a conic-like solid shape and a second surface opposed to the first surface, the flat-plate member configured to receive light from the recessed portion, to propagate the light inside the flat-plate member while diffusing the light, and to radiate the diffused light from the second surface, wherein an angle between an inclined surface of the recessed portion and a normal line to the flat surface portion is smaller than a value obtained by calculation in which twice a critical angle where the light is totally reflected by the second surface inside the flat-plate member is subtracted from 90°.

Abstract: Display effect is improved. In an electronic apparatus of the present disclosure, an operation body placed in an operation panel of a body case has an operation part inserted into a through hole provided in the operation panel from the rear to the front side, a light reflecting part placed between the outer peripheral surface of a knob forming the operation part and the inner peripheral surface of the through hole and a light emitting part placed behind the light reflecting part. A light guide space is formed between the outer peripheral surface of the knob and the inner peripheral surface of the light reflecting part, and the front side of the light reflecting part is placed behind the operation panel of the body case.

Abstract: A laminated film for a reflecting plate is provided that comprises a layer A and a layer B, the layer A comprising a polyester that comprises substantially no antimony element and preferably comprises 1 to 25 wt % of inert particles having an average particle diameter of 0.3 to 3.0 ?m and the layer B being in contact with the layer A and comprising a polyester which preferably comprises 31 to 80 wt % of inert particles having an average particle diameter of 0.3 to 3.0 ?m. This laminated film has a practically satisfactory capability of reflecting visible light, can be produced stably even if inert particles are added in high concentration, hardly has streak-like defects, and can be suitably used as a substrate for a reflecting plate for a liquid crystal display or an internally illuminating electrical billboard.

Abstract: An improved incandescent lamp and incandescent lighting system are disclosed, for projecting a beam of light with substantially improved energy efficiency. The incandescent lamp includes a pair of reflective ceramic filament supports for supporting one or more filaments in prescribed position(s) within an envelope while reflecting back substantially all visible and infrared light for incorporation into the projected beam or for absorption by the filament(s). The incandescent lighting system includes a special infrared-reflective shroud concentrically encircling the incandescent lamp, for reflecting infrared light back toward the lamp filament(s) while transmitting visible light to a concave reflector for incorporation into the projected beam. The infrared-reflective coating is deposited onto the shroud's inner surface, and it includes a dielectric coating and an underlying transparent conductive coating.

Abstract: A lighting system including a light-emitting diode cradle securing at least one light-emitting diode and a modular unit comprising an arcuate portion, the arcuate portion comprising at least one diffusive reflective surface adapted to receive and reflect light from the at least one light-emitting diode. The lighting system further includes a diffusive transmissive element adapted to receive light reflected by the diffusive reflective surface and provide diffused light to an area requiring illumination.

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: A light signal transmitter and a light receiver for an optical sensor may be used for an industrial automation system. The light signal transmitter has a semiconductor-based light source for generating light. The semiconductor-based light source is disposed in an installation space between outer layers of a multi-layer circuit board. The light emission direction of the semiconductor-based light source is oriented substantially parallel to the layers of the printed circuit board. A deflection unit deflects the light emitted by the semiconductor-based light source in a direction substantially perpendicular to the layers of the printed circuit board. In the case of the light receiver, a light sensor is provided in place of the light source. Such optical sensors can be designed in a particularly flat and installation-friendly manner.

Abstract: A light source module includes: a light source; a lighting curtain that partially blocks light from the light source; and a reflective layer that is provided on the lighting curtain and that has a planar shape smaller than the lighting curtain.

Abstract: An LED package includes a substrate, a transparent base, an LED chip and a reflective layer. The substrate has an upper surface. The transparent base is arranged on the upper surface of the substrate. The transparent base includes a first surface away from the substrate and a second surface opposite to the first surface. The LED chip is arranged on the first surface of the transparent base. The reflective layer is arranged between the substrate and the second surface of the transparent base.

Abstract: The lighting apparatus includes a body including a recess which is defined by an inner wall; a reflector which is disposed within the recess of the body and faces the inner wall of the body, and includes a reflective surface reflecting light to the outside of the recess of the body; and a light source which is disposed within the recess of the body and emits light toward the reflective surface of the reflector.

Abstract: Disclosed herein is a light emitting device, which includes a light reflector and a first light source. The light reflector includes a first concave surface and a second concave surface immediately adjacent to the first concave surface. The convex ridge is located between the first and second concave surface and has an apex line extending along a direction. The first light source is located at a side of the first concave surface and opposite to the convex ridge. The first light source has a first emitting surface facing the convex ridge. The convex ridge has an apex located higher than a bottom of the first emitting surface, but lower than a top of the first emitting surface.

Abstract: An optical sensor assembly is disclosed. The optical sensor assembly includes an illumination system that segments light emitted by a light source into multiple segments. The multiple segments are allowed to travel different optical paths on their way to a common target area and are further allowed to irradiate different portions of the common target area. This enables a low-profile optical sensor assembly to be achieved.

Abstract: A surface light-emitting unit of the present invention is an LED module (30) for emitting light from an LED chip (6) of a light-emitting element part (1) via a light flux control section (22) of a light flux control part (2), the light flux control section (22) being fixed by a plurality of columnar sections (21) above a fixing surface of a substrate (4) on which fixing surface the light-emitting element part (1)is fixed. This provides an appropriate gap between the light-emitting element part (1) and the light flux control section (22) for heat release.

Abstract: An LED package (PG) includes: an LED chip (11); and a support base (15) which has a bottom surface (15B) and an inclined surface (15S) that is inclined with respect to the bottom surface (15B), and which supports the LED chip (11) at the inclined surface (15S).

Abstract: A luminaire (1) comprising a one-piece, transparent, tubular housing (3) with an annular wall (5). Said housing comprising an elongated light emission window (9), a reflector area (11) inside the housing and adjacent the light emission window, an electrical contacting support (13) inside the housing and remote from the light emission window, and two open ends. Elongate reflectors (21) extend towards the electrical support in a direction transverse to the axis. Two end parts (53) close the tubular housing (3) as each end part is provided at a respective open end and is electrically connected to a respective electrical contact. The lamp (17), together with the electrical contacts, can be replaced in the housing without the necessity to remove the reflectors as well.

Abstract: A light fixture includes a portable light source and a light guide assembly. The light guide assembly includes a reflective mask and a lamp holder. The lamp holder is mounted on the reflective mask for removably positioning the portable light source on the reflective mask. The reflective mask is configured to reflect light emanated from the light source in a predetermined pattern when the portable light source is held in place by the lamp holder.

Abstract: A display device includes a light source, a first light emitting portion, a second light emitting portion, a light modulating portion and a light focusing portion. The first light emitting portion is disposed in a display area and emits a light that is provided by the light source and has a first luminous state. The second light emitting portion is disposed adjacent to the first light emitting portion in the display area and emits a light that is provided by the light source and has a second luminous state different from the first luminous state. The light modulating portion modulates a state of the light emitted from the light source into the first luminous state. The light focusing portion focuses the light modulated by the light modulating portion on the first light emitting portion.

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 light-emitting device having an LED element and a resin layer including a convex portion covering the LED element can suppress color unevenness to achieve light emission with uniform color distribution. The light-emitting device can include a substrate, an LED element mounted on the substrate, a resin layer which contains a wavelength conversion material and is formed on the substrate to cover the LED element, the resin layer including a convex portion directly covering the LED element and a flat thin film portion extending around the convex portion, and a reflective portion which is formed over the thin film portion around the convex portion. A diffusion portion can be formed to cover the convex portion of the resin layer.

Abstract: The present invention relates to an encoding device, such as an optical position encoder, for encoding input from an object, and a method for encoding input from an object, for determining a position of an object that interferes with light of the device. The encoding device comprises a light source, a waveguide, a number of redirecting structures, and a detector. By means of the waveguide and the number of redirecting structures, light from the light source is guided towards the detector along a path that includes traversing an area in a space next to the planar waveguide. An object may be positioned in the area in the space and may interfere with the light, which interference may be encoded into a position or activation.

Abstract: A lamp includes a shell and an LED bulb including a heat sink enclosed by the shell. The shell defines at least a hole at a lower portion of the shell and at least an aperture at an upper portion of the shell. The LED bulb includes a heat sink enclosed by the shell. At least an LED is mounted at a bottom of the heat sink. The heat sink includes a plurality of fins extending from top to bottom. The fins define a plurality of channels therebtween. The channels are in flow communication with at least hole and the at least aperture of the shell.

Abstract: A lamp assembly (1) comprises at least a light source (8) and a reflector for reflecting light from the light source (8). The reflector is positionable with respect to the light source (8) in at least a first position and a second position to obtain a spot-like light emission in the first position and a more or less omnidirectional light emission, in the second position, of the light emitted by the lamp assembly (1). The lamp assembly (1) comprises a reflective layer (7). In the first position of the reflector at least part of the light is reflected by the reflector as well as by the reflective layer (7). In the second position of the reflector at least part of the light is reflected by the reflector and passes along the reflective layer (7).

Abstract: A lighting system for an indoor room or space is designed to provide a diffuse, glare free source that illuminates the room from the cornice, or a similar location around the join between the walls and ceiling. This may be achieved via a direct source of illumination at the cornice location, or by projecting illumination from a remote source. The lighting system is further designed to allow for illumination of certain areas of the cornice, and hence the room, whilst leaving other parts dark. There are multiple advantages of an adaptable system such as this, but in particular the lighting conditions can be adjusted for optimum lighting levels, for example dimming selected areas when viewing a television.

Abstract: A lighting device providing an easy installation in a roof or a wall, having a small number of pieces is disclosed. The lighting device comprises at least a holding body (1) having a main axis (A) and at least one opening (4), comprising at least one magnetic band called “fixed band” (5) including at least one first magnetic element having a first polarity, and body (6) arranged to hold at least one light source, said light body being capable of moving with respect to the holding body relative at least to the main axis, comprising at least one magnetic band called “mobile band” including at least one second magnetic element having a second polarity opposite the first polarity, wherein said mobile band faces at least a part of the fixed band during at least a part of the motion of the light body with respect to the holding body.

Abstract: In various embodiments, a lamp unit including a lamp which is inserted into a reflector and which has a base with a reference ring including at least one referencing surface which cooperatively interacts with a corresponding referencing element of a holder of the reflector, configured such that the lamp is separably connected to the holder through a bayonet coupling.

Abstract: A light source lamp unit (10) includes a light source lamp (11), an ellipsoidal reflector (12) and a plate body (19). The plate body (19) is provided behind the reflector (12) with a gap kept therebetween, which has a shape corresponding to the profile of a reflecting portion (122) of the reflector (12). A cooling channel for passing a cooling air is formed between the plate body (19) and the reflector (12). The width of the cooling channel in a direction along an optical axis of the light source lamp (11) is minimized at a part near a neck portion (121) of the reflecting portion (122) and enlarged toward the peripheral edge of the reflecting portion (122) of the reflector (12).