Abstract: A shroud including a body comprising a first side, a second side opposite the first side, and a printed circuit board assembly (“PCBA”) reception unit configured to receive a PCBA unit of an electronic device, wherein the PCBA unit comprises multiple light emitting diode (“LED”) units which emit multiple light emitting diode (“LED”) signals. The shroud can also include a plurality of ribs located on the body and configured to contact a cover for the electronic device, wherein the plurality of ribs are configured to substantially isolate each of the multiple LED signals, and wherein the body and the plurality of ribs comprise a resilient material.

Abstract: A lighting system includes a bag that has an outer wall and the outer wall has an inside surface. A lighting unit is removably attached to the bag and the lighting unit is positioned on the inside surface of the outer wall. The lighting unit is selectively actuatable to emit light downwardly in the bag with respect to the lighting unit and laterally in the bag with respect to the lighting unit. Thus, the lighting unit illuminates an interior of the bag thereby facilitating contents of the bag to be found in darkness.

Abstract: The embodiments of present invention disclose a direct type backlight module, comprising a backplate and a plurality of strip lamps provided on the backplate, each of the strip lamps is provided with a lamp set composed of a plurality of light-emitting diodes. The direct type backlight module further comprises a plurality of wires, the lamp set of at least one strip lamp of the plurality of strip lamps is electrically connected to the power supply via the plurality of wires. The lamp set of the at least one strip lamp has two terminals, i.e., positive/negative terminals, the positive/negative terminals of the lamp set of the at least one strip lamp are electrically connected to the corresponding wires via a pair of mated connectors.

Abstract: A light source device 11 has a light emitting element 23, a light guide plate 15 which light from the light emitting element 23 enters, and wiring 17 for supplying power to the light source. The light guide plate has a guide part 31 for positioning the wiring 17.

Abstract: An LED light core structure, which has better mechanical strength and good heat dissipation effect and is able to 360-degree project light. The LED light core structure includes a substrate having at least two faces. The substrate is formed with at least one opening communicating the two faces. LEDs are disposed on at least one of the two faces of the substrate at the opening, whereby the light emitted from the LEDs disposed on one of the two faces of the substrate can be projected through the opening to the opposite face of the substrate. Accordingly, the substrate can be made of metal material, whereby the substrate is unlikely to crack so that the ratio of good products is increased and the substrate can provide excellent heat dissipation effect for the LEDs. The conventional wolfram filament electrodes can be directly replaced with the LED light core structure.

Abstract: Lighting assembly comprises an optical fiber light guide panel member having a light conducting core cladded on opposite sides by cladding made of optically transparent material having a lower index of refraction than the light conducting core to cause total internal reflection of conducted light within the light conducting core at the core-cladding interface. Disruptions at one or more areas of the cladding cause conducted light within the light conducting core to be emitted from one or more areas of the panel member. Electrical circuitry is bonded to one or both sides of the cladding. One or more LEDs embedded in the panel member are in electrical conduct with the electrical circuitry and optically coupled to the light conducting core.

Abstract: A dual lens structure includes an outer elongated lens segment that has a substantially dome-shaped cross-section. The outer elongated lens segment includes a first optical pattern. The dual lens structure also includes inner elongated lens segment that has a substantially bell-shaped cross-section. The inner elongated lens segment includes a second optical pattern and is at least partially positioned within the outer elongated lens segment. The dual lens structure further includes a first segment coupled to a first longitudinal side of the outer elongated lens segment and to a first longitudinal side of the inner elongated lens segment. The dual lens structure also includes a second segment coupled to a second longitudinal side of the outer elongated lens segment and to a second longitudinal side of the inner elongated lens segment.

Abstract: A direct backlight module and LCD device are provided. The direct backlight module includes a back plate, a backlight source mounted on the back plate, and a plurality of double lens structures mounted on the back plate and over the backlight source, the backlight source includes a plurality of LED bars, wherein the double lens structures are axisymmetrical and correspond to the LED bars, respectively, and each of the double lens structure has an axis coincides with that of the corresponding LED bar. The backlight module according to the embodiments of the present invention can improve the light efficiency of the backlight module and reduce the number of the LEDs used, and a slim design for backlight module is obtained.

Abstract: An optical film that includes a reflective polarizer and a stretched polymer film is disclosed. The stretched polymer film is laminated to the reflective polarizer, and the stretched polymer film exhibits a refractive index symmetry point at an angle of incidence in air of at least about 60 degrees in a plane of incidence parallel to a direction of greatest stretch.

Abstract: An LED pump light with multiple phosphors is described. LEDs emitting radiation at violet and/or ultraviolet wavelengths are used to pump phosphor materials that emit other colors. The LEDs operating in different wavelength ranges are arranged to reduce light re-absorption and improve light output efficiency.

Abstract: Provided is a printed circuit board (1) on which the power supply circuit is mounted and a casing (2) which is shaped like a flat as a whole and in which the printed circuit board (1) is housed. An input terminal (11) of the power supply circuit is connected to an input socket (3) fixed to one end part, in a direction perpendicular to a thickness direction of the printed circuit board (1), of the casing. An output terminal (12) of the power supply circuit is connected to an output socket (4) protrudes from one side, in the thickness direction of the printed circuit board (1), of the casing (2). The casing (2) has a bulge part (21) which protruded to an opposite side to the protruding side of the output socket (5) and to which the input socket (3) is fixed.

Abstract: A laser lighting device provides a broad range illumination for an area, such as a smoke filled space, a hallway or an underwater environment with certain turbidity. This lighting device contains a laser diode as a light source and a diffraction grating that is able to diffract an input laser light beam generated from the laser diode into a plurality of output laser light beams with the cross section of the plurality of output laser light beams forming a pattern comprising a plurality of light spots. In addition, this pattern may be in a donut shape. That is to say, the power of a light spot formed by a zero order light beam is lower than other light spots' power. Further, this laser lighting device is used to provide lighting with depth perception and forward visibility.

Abstract: A light unit is provided that includes a frame having a top face and a bottom face, with the bottom face at least partially overlapping the top face in some configurations. A non-OLED light source is disposed on the top face and configured to emit light away from the top face. An OLED light source is disposed on the bottom face and configured to emit light away from the bottom face.

Abstract: Embodiments of a device and a method of forming the same are described. The device includes a backlight unit and an image generating unit. The backlight unit includes an optical cavity having a top side, a bottom side, and side walls. The backlight unit further includes an array of light sources coupled to the optical cavity and a quantum dot film positioned within the optical cavity. The quantum dot film is configured to process light received from the array of light sources and the backlight unit is configured to transit the processed light to the image generating unit. The method includes providing an optical cavity having a top side, a bottom side, and side walls. The method further includes coupling an array of light sources to the optical cavity and supporting a quantum dot film within the optical cavity.

Abstract: Runway end identifier light system having a housing with an illumination window, a substrate having a mounting surface disposed within the housing, and a first light-emitting diode (“LED”) disposed on the mounting surface of the substrate. The LED may be configured such that light emitted by the LED is visible through the illumination window of the housing. The LED may have a primary illumination axis which is at an angle greater than 0° with respect to a perpendicular axis of the substrate. Systems with multiple mounting surfaces and multiple LEDs having various primary illumination axes are disclosed.

Abstract: A fiber optic display device reciprocates fiber optics to create decorative optical fiber light displays. The device can include one or more optical fibers contained at one end by a holding member and left suspended freely at the other end. The holding member and optical fibers are functionally attached about a pivot point axis that is across the longitudinal axis of the fibers and the holding member, to a housing. A light source can be affixed to either the holding member or the housing, opposite the freely suspended optical fiber ends, and is oriented to expose and illuminate the optical fibers. A drive means causes the holding member and optical fibers to reciprocate back and forth about the pivot point axis of the holding member.

Abstract: A light-emitting element includes a first electrode; a first light-emitting layer over the first electrode, containing a first phosphorescent compound and a first host material; a second light-emitting layer over the first light-emitting layer, containing a second phosphorescent compound and a second host material; a third light-emitting layer over the second light-emitting layer, containing a third phosphorescent compound and a third host material; and a second electrode over the third light-emitting layer. Between peaks of emission spectra of the first, second, and third phosphorescent compounds, the peak of the emission spectrum of the second phosphorescent compound is on the longest wavelength side and that of the emission spectrum of the third phosphorescent compound is on the shortest wavelength side. The third host material has higher triplet excitation energy than the first host material and the second host material.

Abstract: A flashlight may include a housing supporting a light source, a lens, a parabolic reflector and an energy source operatively connected to the light source. An adjustable light beam reflector may be mounted on the housing to intersect/deflect all or a portion of the collimated light rays projected by the flashlight. The adjustable reflector may be movably mounted on the housing for manipulation by a user to produce a wide range of light beam shapes or patterns forward of and/or generally lateral relative to the forward end of the flashlight.

Abstract: Disclosed are a light unit and a display apparatus including the same. The light unit includes a lens including a flat light incident part having a pattern and a light exit part, a plurality of light emitting devices below the incident part of the lens, and a substrate having the light emitting devices mounted thereon.

Abstract: An electronic device having an expansion interface includes a shell, a button, a circuit board, switch and a voltage adjusting unit. The shell defines a through hole. The button is movably received in the through hole. The button includes a first electroluminescent portion and a second electroluminescent portion. The switch is electrically connected to the circuit board and is activated by the button to control whether to load a same voltage to the first electroluminescent portion and a second electroluminescent portion to drive them to emit light of equal brightness. The voltage adjusting unit changes the voltage loaded to the second electroluminescent portion to drive the second electroluminescent portion to emit light having a different brightness from the light emitted from the first electroluminescent portion when an expansion device is connected to the expansion interface.