Abstract: A heat-dissipating structure for an LED lamp has a lamp cover, and a power conversion device and a ceramic substrate mounted inside the lamp cover. The lamp cover has multiple heat-dissipating holes and multiple mounting ears. Each mounting ear is formed on an edge of one of the heat-dissipating holes and is bent inwardly with the heat-dissipating hole uncovered. The ceramic substrate is mounted on the mounting ears. The ceramic substrate has multiple LEDs mounted thereon, absorbs heat generated when the LEDs emit light and conducts the heat to the lamp cover through the mounting ears. The heat generated when the LEDs are lit and the power conversion converts a mains power is transferred to a heat convection space between the ceramic substrate and the lamp cover, and is further dissipated to an ambient environment, thereby achieving fast heat dissipation and a light LED lamp without an additional heat sink thereon.

Abstract: A lighting device and a photographing system including the same are provided. The lighting device including a plurality of light emitting devices which emit lights of wavelengths within the visible ray domain; and an opening arranged in front of the plurality of light emitting devices, wherein the plurality of light emitting devices are arranged in a medium having a low refraction index, and solid structures that are formed of a medium having a high refraction index, are capable of transmitting visible rays therethrough, and are periodically formed on a portion of the opening to face the plurality of light emitting devices, wherein the solid structures are formed in a period such that lights emitted by the plurality of light emitting devices are not reflected.

Abstract: Provided are a light emitting apparatus and a light unit having the same. The light emitting apparatus includes a light emitting device includes a light emitting element and a plurality of external leads, and a plurality of electrode pads under the light emitting device.

Abstract: According to one embodiment, a display device includes a light-guiding body, a light source, a wavelength selection transmission layer, and a light control layer. The light-guiding body has a first major surface, a second major surface opposite to the first major surface, and a side face connecting the first major surface and the second major surface. The wavelength selection transmission layer is provided on the second major surface. The first major surface has a plurality of concave portions having inclined faces inclined relative to the first major surface. A ratio of a total area of the plurality of the concave portions projected on the first major surface, relative to an area of the first major surface is 8% to 25%. The plurality of the concave portions is evenly provided in the first major surface.

Abstract: A position light and light guide that serve as a light source are disposed on a front cover. The light guide extends in a width direction and receives and reflects light from the position light that is emitted in the width direction of the chassis. The light guide has first and second emission faces. The first emission face emits a first portion of the reflected light and faces upward or downward. The second emission face emits a second portion of the reflected light and faces forward. A length of the light guide in a front and back direction and a length of the light guide in a normal direction of the first emission face that is normal to the first emission face are both shorter than a length of the light guide in the width direction.

Abstract: An LED lamp includes a heat sink, a lamp shell and a light module. The heat sink includes a substrate and a plurality of fins. The substrate has a top surface and a bottom surface. The lamp shell is fixed to a periphery of the substrate. The light module is received between the lamp shell and the bottom surface of the substrate of the heat sink. The substrate defines a first through-hole through the top and bottom surfaces thereof to communicate airflow channels between the fins with a space below the bottom surface of the substrate, wherein the light module is received in the space.

Abstract: The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel. The backlight module comprises a back bezel and a plurality of light sources. The back bezel includes a plurality of bezel convex portions and a plurality of corresponding bezel concave portions. The light sources are disposed on the back bezel and positioned between the bezel convex portions. The present invention can use the bezel concave portions of the back bezel to improve a heat-dissipation effect.

Abstract: A vehicle headlight can facilitate an earlier awareness with peripheral vision under dark environment (such as during nighttime, tunnel, or adverse weather driving). The light source can include a plurality of white LEDs. The plurality of white LEDs include a first white LED and a second white LED. The first white LED has an S/P ratio, which is represented by (S(?)*V?(?))/(S(?)*V(?)) in which S(?) is a spectrum of the first light source, V?(?) is a relative luminosity factor in scotopic vision, and V(?) is a relative luminosity factor in photopic vision, lower than that of the second white LED.

Abstract: In a strobe zoom device of an electrically driven feed screw type, to reduce the sound pressure level of zoom operation sound caused by an electrically driven feed screw and to allow strobe imaging to be performed quietly, the electrically driven feed screw for strobe zoom includes: a feed screw rod (30) having a central axis and mounted to a casing (10) so as to be rotatable about the central axis thereof and extend in the fore and aft direction, the feed screw rod including an outer circumferential surface having a screw groove (32) formed thereon; and a wire member (34) attached to a movable body (planar lens plate (12) or a light source box (20)) and including a part wrapped around at least a part of the screw groove (32) so as to be in threaded engagement with the same.

Abstract: A uniform reflective light-guide for accompanying an edge light source to form a backlight module for an LCD display includes a light-guiding layer and a reflective layer. The light-guiding layer further defines a light-introducing surface and a light-exiting surface. The light-introducing surface is to allow lights emitted from the edge light source to enter the light-guiding layer. The light-exiting surface perpendicular to the light-introducing surface is to allow at least a portion of the lights to leave the light-guiding layer. The reflective layer is to reflect the incident lights back to the light-guiding layer. The reflective layer and the light-guiding layer are manufactured integrally into a unique piece by a co-extrusion process so as to avoid possible existence of an air spacing in between. A reflective surface is defined to interface the reflective layer and the light-guiding layer, and a three-dimensional micro-structure is constructed on the reflective surface.

Abstract: A lamp module includes a cover structure, a circuit board structure and a multichip package structure, and the circuit board structure and the multichip package structure are sequentially assembled on the bottom side of the cover structure. The cover structure includes a cover body, a plurality of positioning elements disposed on the bottom side of the cover body, and a plurality of retaining elements disposed on the bottom side of the cover body. The cover body has a through opening and a surrounding light-reflecting surface formed on the inner surface of the through opening. The circuit board structure is disposed on the bottom side of the cover body and includes a plurality of conductive pins disposed on the bottom side of the circuit board structure. The multichip package structure is disposed on the bottom side of the cover body and electrically connected to the circuit board structure.

Abstract: According to one embodiment, a display device includes a light-guiding body, a light source, a wavelength selection transmission layer, and a light control layer. The light-guiding body has a first major surface, a second major surface opposite to the first major surface, and a side face connecting the first major surface and the second major surface. The wavelength selection transmission layer is provided on the second major surface. The first major surface has a plurality of concave portions having inclined faces inclined relative to the first major surface. A ratio of a total area of the plurality of the concave portions projected on the first major surface, relative to an area of the first major surface is 8% to 25%. The plurality of the concave portions is evenly provided in the first major surface.

Abstract: The invention provides a lighting unit comprising a substantially continuous, pliable surface (10) and a plurality of light sources. The light sources (20) are arranged to generate light beams (24) with respective optical axes (O). Each of the light sources (20) is connected to the pliable surface (10) at respective surface areas (30) of the pliable surface (10), whereby orientations of the respective surface areas (20) and orientations of the respective optical axes (O) are linked. The pliable surface (10) has a profile (Z) that is pliable into different profiles with corresponding different orientations of at least part of the plurality of surface areas (30). The lighting unit can thus easily provide different illumination profiles. In this way, a flexible lighting unit is provided, as the profile of the pliable surface can be defined and, after having been initially defined, also changed in dependence on e.g. user needs.

Abstract: The present invention provides a panel display device, back frame and manufacturing method for back frame. The back frame includes at least two main splicing elements forming back frame, the at least two main splicing elements including main splicing element for disposing light source, wherein light source is disposed on a surface of side wall of main splicing element bended upward for light source disposition, downward hooks are disposed on the other surface of side wall away from light source, main splicing element with light source has a first heat-dissipation capability, and remaining main splicing elements of the at least two main splicing elements without light source have a second heat-dissipation capability, first heat-dissipation capability is better than second heat-dissipation capability. As such, the present invention can reduce material and mold costs as well as better heat-dissipation and easy assembling of front frame and panel.

Abstract: An optical semiconductor lighting apparatus including a housing with a first end portion and a second end portion that is open, a light source module disposed in the housing, a fan disposed adjacent to the light source module in the housing, the fan rotating in a first direction to blow air toward the light source module, and a reflector disposed adjacent to the second end portion of the housing, the reflector enhancing an illumination scope. A moving path, in which at least a portion of the air drawn into the housing by the fan externally flows through the light source module, is formed in the housing.

Abstract: A light emitting device comprises: a surface light source for a surface-emission; a CPC lens having a light receiving surface, a side reflective surface, and a light emitting surface, the light receiving surface receiving a part of light from the surface light source, the side reflective surface reflecting the light from the light receiving surface, and the light emitting surface facing the light receiving surface and emitting the light; and a reflector containing the surface light source and the CPC lens, and having a concaved reflective surface for reflecting forward the light deviating the light receiving surface from the surface light source, wherein a ratio of a illumination area of the surface light source to an area of the light receiving surface of the CPC lens is not less than 0.63 and not more than 2.93.

Abstract: Disclosed herein is a light fixture locking mechanism that includes a frame assembly having a first primary rod support and a second primary rod support, a first connecting rod having a first end and a second end, the ends extending substantially between the first primary rod support and the second primary rod support, and a plurality of aiming assemblies, each configured to receive the first connecting rod therethrough, the aiming assemblies including opposing engaging protrusions. The device further includes a first fastener, that when in a fastened position, the first and second primary rod supports are forced inwards towards each other to provide an engaging force on the opposing engaging portions of the aiming assemblies to prevent rotation of the first light module about the first connecting rod, and when in an unfastened position, the first and second light modules are both rotatable about the first connecting rod.

Abstract: A lens includes a main body and a potting material. The main body includes a first major face, a second major face and at least one cavity arranged on the first major face. The potting material is arranged in the cavity and includes at least one diffuser which scatters radiation of at least one wavelength range.

Abstract: Systems and methods for flash illumination are disclosed. In one aspect, a flash illumination system includes sections each including a light source and a reflector. Each of the light sources includes a single light-emitting region having a first centroid and a package surrounding the single light-emitting region. The package has an exit aperture having a second centroid. The first centroid can be laterally offset from the second centroid. The reflectors include an input aperture, an output aperture, and one or more sidewalls therebetween. The input aperture is optically coupled to the exit aperture. One or more sidewalls are configured to collimate light propagating from the light source.

Abstract: Disclosed is an instrument illumination device enabling homogeneous illumination light in a broad area, without increasing the number of light sources, and thereby enhancing the freedom degree of the ornamental designing process. An instrument housing includes a bottom face having LEDs disposed thereon and an illumination area including a main illumination area having a main dial for displaying a revolution on the dial plate covering a front opening and an auxiliary illumination area having an auxiliary dial for displaying water temperature. The main illumination area is in the shape of a ring having a cut-out at a lower part thereof, and the auxiliary illumination area fills the cut-out connecting the main illumination area. Illumination light from the LEDs illuminates an entire face of the illumination area in the ring shape from a rear side thereof as backlight.