Abstract: Provided is an optical sheet capable of exhibiting superior optical function, and a high-quality backlight unit using the same. The optical sheet includes a transparent substrate layer, and an optical function layer having a plurality of fibers protruding from one surface side of the substrate layer. The optical function layer preferably includes an adhesive portion joining the plurality of fibers to the substrate layer. The adhesive portion is preferably laminated entirely on the one surface side of the substrate layer. The adhesive portion is preferably formed from acryl emulsion adhesives. The refractive index of the fiber is preferably no less than 1.3 and no greater than 1.8. The density of the fiber per unit area in the plane direction of the substrate layer is preferably no less than 100 fibers/cm2 and no greater than 5000 fibers/cm2.

Abstract: An eyeglass light assembly is disclosed. The eyeglass light assembly includes an ultra lightweight and configurable eyeglass light adapted to removably and interchangeably attach to an eyeglass frame or to be integrally formed with the eyeglass frame. The eyeglass light is adapted to provide a multiplicity of angle, pivot, and rotation configurations for varied use and adaptation at directing emitted light from an eyeglass frame. The eyeglass light is adapted to pivot and bend in various locations. The eyeglass light provides for hands-free use when mounted. In one embodiment, the eyeglass light includes and a flexible stem upon which the light is coupled. The stem is further coupled to clip members adapted to couple to one another to secure the assembly to eyeglass frames.

Abstract: The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween. The aluminum-extruded heat sink includes a first mounting section and a second mounting section perpendicularly connected to the first mounting section. The backlight source is mounted on the first mounting section. The first mounting section forms a slope surface at a location close to the second mounting section. The slope surface is arranged to extend from connection of the first and second mounting sections toward the backlight source. The side-edge backlight module forms a slope surface at a lower end of the first mounting section of the aluminum-extruded heat sink to eliminate potential interference issue of assembling occurring in the known techniques.

Abstract: The present invention provides a backlight module, containing an edge-lit backlight source; a light guide plate having a light incident surface and a light emitting surface where the light incident surface faces directly towards the backlight source; an optical film set positioned on a top side of the light guide plate facing directly towards the light emitting surface of the light guide plate; a reflection plate on a bottom side of the light guide plate; and a thermal conductive layer on a bottom side of the reflection plate conducting heat produced from the backlight source at least to the center of the reflection plate. The backlight module raises the temperature in the center of the panel, thereby preventing the cross talk resulted from having lower temperature in the center of the panel. There is no significant change to the existing backlight modules and therefore the cost is low.

Abstract: A lighting fixture for protecting and mounting an array of light sources such as LED modules. The fixture includes a frame with a first surface that arcs or curves with an arc angle of between ten and fifty degrees and an arc length of between about ten to fifteen times the arc height. A plurality of LED modules including a lens and bonnet reflector are each functionally coupled against the first surface to direct a combination refracted and reflected beam pattern, the beam pattern of each LED module having an peak luminous intensity directed substantially normally from the first surface in front of and against which each LED module is functionally coupled. The peak luminous intensity of the combination refracted and reflected beam pattern associated with each LED module has a positive angle with respect to the combination refracted and reflected beam pattern from adjacently located LED modules.

Abstract: A back panel for use in a light emitting diode (LED) lighting assembly is disclosed. An extruded substrate formed of a thermally conductive material is provided, the substrate having a plurality of fins extending from a first side of the substrate, each of the fins having a substantially rectangular shape oriented so that a longitudinal axis of the fin is substantially parallel to a longitudinal axis of the substrate. At least some of the fins include a hole formed through the fin to enable heated air to rise through the fins. A plurality of LEDs are mounted on a second side of the substrate, and oriented in a longitudinal orientation with the fins oriented parallel to the bottom edge of a surface to be illuminated, such that heat rises perpendicular to the surface of the fin.

Abstract: The invention describes a lighting unit (1), comprising a plurality of lighting modules (10) and a number of connecting elements (2) with coupling means (21, 22), wherein each lighting element (10) comprises at least one planar light-emitting element (11) in an enclosure (12) and a number of counter-coupling means (J1, J2) arranged along at least one edge of the enclosure (12); and wherein neighboring lighting modules (10) are coupled together detachably by means of at least one connecting element (2) such that the light-emitting element (11) of a first lighting module (10) is electrically connected to the light-emitting element (11) of a second lighting module (10) by an interaction of at least part of the coupling means (21, 22) of the connecting element (2) and at least part of the counter-coupling means (J1, J2) of the corresponding lighting modules (10). The invention also describes a connecting element (2) and a lighting module (10) for assembling such a lighting unit (1).

Abstract: A luminous device with a semiconductor light source and a light-transmissive converter element including a wavelength-converting phosphor sensitive to the light emitted by the semiconductor light source is disclosed. The semiconductor light source can be at least partly covered by the converter element and the converter element is movable such that the proportion of light which is wavelength-converted by the converter element is adjustable depending on the position of the converter element.

Abstract: A display device and a backlight module thereof are provided. The display device comprises a backlight module and a panel. The backlight module includes a bottom frame, a light guide, an optical film structure and a top frame. The light guide is disposed above the bottom frame. The optical film structure is disposed above the light guide. The top frame covers a periphery of the optical film structure and covers a lateral side of the bottom frame. The panel is disposed above the top frame.

Abstract: A laser light reflection device for an aircraft-installed laser apparatus with which, when a function check is performed on the aircraft-installed laser apparatus by emitting laser light from a parked aircraft to a body exterior, the emitted laser light can be reflected in a desired direction safely and efficiently. A reflection mirror is capable of autorotation about at least an in-plane horizontal axis thereof, and a support ring is attached to the reflection mirror to be capable of rotating about an in-plane vertical axis and the in-plane horizontal axis of the reflection mirror. A laser pointer unit formed by inserting a laser pointer into a sleeve pipe is attached to the support ring so as to be oriented toward an in-plane of the reflection mirror. A guide scope is attached to the support ring such that an optical axis thereof matches an optical axis of the laser pointer unit.

Abstract: A reconfigurable modular lighting assembly, including at least two tube sections, each tube section having an end cap thereon and including at least one light emitting diode light source. An interconnection unit including multiple tube section receiving locations that each physically, releasably connect one end of a first of the at least two tube sections to one end of a second of the at least two tube sections such that the tube sections are adjacent and form a positive angle between them; and provide for interchangeably electrically connecting the light sources in the tube sections to a source of electrical power. Control data paths are operatively connected to each of the light emitting diode light sources via the interconnection unit to allow for control of the light emitting diode light sources when the at least two tube sections are respectively connected to the interconnection unit at the tube section receiving locations.

Abstract: A liquid crystal display and the backlight module thereof are disclosed. The backlight module includes a substrate, a light guiding plate, a first pillar, a light source, at least two separating pieces, and an elastic piece. The separating pieces keep the distance between the light guiding plate and the lighting assembly of the light source equals to a minimum distance. A first end of the elastic piece connects one end of the first pillar passing through the crack of the substrate, and a second end of the elastic piece connects to the substrate. The elastic piece pushes the light guiding plate via the first pillar to move toward the light source until the distance between the light guiding plate and the lighting assembly of the light source equals to the minimum distance. The liquid crystal device and the backlight module are capable of keeping the coupling distance of the backlight module remain unchanged.

Abstract: An illumination device including a base, a heat dissipation member, at least one flexible printed circuit board (FPC), and a plurality of light-emitting elements is provided. The heat dissipation member disposed on the base has a central axis, a plurality of holding curvy surfaces and a plurality of heat dissipation channels extending along the central axis, wherein the holding curvy surfaces and the heat dissipation channels are staggered and arranged about the central axis, and each of the holding curvy surfaces radially extends along the central axis. The flexible printed circuit board is disposed on the holding curvy surfaces. The light-emitting elements are disposed on the flexible printed circuit board. An assembling method of the illumination device is also provided.

Abstract: A ring light illuminator with annularly arranged light sources is disclosed. To each light source there corresponds a light collector, a homogenizing means for light from the light source, and an anamorphic system for imaging an output of the homogenizing means into an area to be illuminated. The anamorphic system compensates deformations of a cross-sectional area of a light beam in a surface to be illuminated due to an oblique angle of incidence of the light beam onto the surface. The homogenizing means in embodiments is a rod, into which light from the light collector is directed. The end of the rod opposite the light collector is imaged by the anamorphic system into the area to be illuminated on the surface. Also disclosed is a method for illumination.

Abstract: A light module includes a light emitting diode (LED) array and a double-reflective assembly coupled to the LED array. The double-reflective assembly includes a lower member having a frame. The frame has an opening corresponding to the LED array. The frame and LED array are located in the same plane. The light module further includes a left bottom reflector and a right bottom reflector. The light module further includes an upper member which includes a left top reflector; and a right top reflector, wherein the left top reflector is attached to the left bottom reflector, and right top reflector is attached to the right bottom reflector, each forming an arbitrary left and right double-reflective assembly. A shape geometry and profile of each double-reflective assembly provides a pre-calculated combined non-circular asymmetrical intensity distribution pattern.

Abstract: Provided is an illumination apparatus which prevents variations in the distance between the light-receiving surface of a light guide plate and a light source. Also provided is a display device which incorporates the illumination apparatus. The light guide plate, which constitutes a backlight unit, receives light through a light-receiving surface with the light-receiving surface oriented toward the light being emitted. In the backlight unit, pillars extend to intersect the direction of emission from an LED and are thus brought into contact with a device-carrying board and the light guide plate, which are superposed one on the other, thereby securing the device-carrying board and the light guide plate.

Abstract: A recessed light fixture includes an LED module, which includes a single LED package that is configured to generate all light emitted by the recessed light fixture. For example, the LED package can include multiple LEDs mounted to a common substrate. The LED package can be coupled to a heat sink for dissipating heat from the LEDs. The heat sink can include a core member. A reflector housing may be coupled to the heat sink and configured to receive a reflector. The reflector can have any geometry, such as a bell-shaped geometry including two radii of curvature that join together at an inflection point. An optic coupler can be coupled to the reflector housing and configured to cover electrical connections at the substrate and to guide light emitted by the LED package.

Abstract: The present invention provides a coupling and methods of use of the coupling. In one aspect the invention provides a coupling for use with a lamp fitting operated by a power supply, which coupling allows mounting/dismounting of the fitting without electrical isolation from the supply said coupling comprising: a) a mounting member having a first electrical connector element with shielded contact points connectable to the power supply, said member being suitable for fixing to a structure; and engageable with said mounting member; b) a holder member suitable for holding a lamp fitting said member having a second electrical connector element able conduct power to a lamp fitting; c) wherein engagement of the first and second members allows the first and second electrical connector elements to come into contact and disengagement allows electrical contact to be broken without exposure of the contact points.

Abstract: A lighting assembly includes an edge-lit light guide and a light redirecting member. Light extracting elements at the light guide extract light from the light guide as intermediate light. Light redirecting elements at the light redirecting film are configured to redirect the intermediate light received from the light guide to illuminate a target surface in accordance with a defined illumination profile.

Abstract: An optoelectronic cooling system is equally applicable to an LED collimator or a photovoltaic solar concentrator. A transparent fluid conveys heat from the optoelectronic chip to a hollow cover over the system aperture. The cooling system can keep a solar concentrator chip at the same temperature as found for a one-sun flat-plate solar cell. Natural convection or forced circulation can operate to convey heat from the chip to the cover.