Abstract: A ceiling light or wall light having a connection to a typical lighting power circuit, having an integrated heating fan function, and an intelligent control for simple operation and functions for saving energy. In order to avoid a cumbersome variation of the heating possibilities (for example, the installation of a heater, placement of an additional heater, and modification of the control of an existing heater), a replacement of the usually already existing lighting takes over this functionality. The device includes a common housing, that contains at least one lighting element, at least one electrical heating element, at least one fan, and at least one programmable electronic controller, by which the lighting, the fan and the heater are controlled and/or regulated, together with and/or separate from each other. All rooms of a building which have lighting and are to be heated only for a limited period may be part of the area of application.

Abstract: Various aspects of a light emitting apparatus includes a substrate. Various aspects of the light emitting apparatus include a light emitting die arranged on the substrate. The light emitting die includes one or more side walls. Various aspects of the light emitting apparatus include a reflective die attach material extending along the one or more side walls of the light emitting die.

Abstract: A laser light source apparatus includes a laser diode, a first optical assembly having one or more lenses for generating a collimated laser beam from light emitted by the laser diode, a doped microstructured glass block configured to generate laser emissions at at least a first wavelength and a second wavelength when pumped by the collimated laser beam, an input beam lens for focusing the collimated laser beam onto an input surface of the microstructured glass block, an optical alignment assembly, an output light guiding assembly, and a housing for containing and supporting the optical alignment assembly and the output light guiding assembly.

Abstract: Disclosed are a light guide plate having an engraved pattern and a backlight unit having the same and a display device having the same, wherein the engraved pattern is configured such that a light incident surface thereof has an arc shape on a plane and a vertical section taken along a straight line passing through a center of the light incident surface is triangular. This makes it possible to maximize total reflection efficiency to increase luminous intensity of light output, resulting in improved light use efficiency and enhanced brightness of the backlight unit.

Abstract: Various embodiments of the present invention provide a hybrid backup lamp having a backup light and a laser or LED warning light integrated therewith.

Abstract: An ophthalmic illumination system can include an optical fiber configured to transmit a light beam output by a light source and focused by a condenser. The optical fiber can include proximal, distal, and central portions. The proximal portion can be configured to receive the light beam focused by the condenser. The distal portion can be configured to emit the light beam to illuminate a surgical field. The central portion can extend between the proximal and distal portions. A core diameter of the proximal portion can be larger than core diameters of the central and distal portions. An ophthalmic illumination method can include focusing, using a condenser, a light beam emitted by a light source onto a proximal portion of an optical fiber. The method can also include transmitting, using the optical fiber, the light beam to a surgical field.

Abstract: The embodiments of the invention provide a multi-focal collimating lens and a bi-function headlight assembly. With the relative positions referring to the mounting position of the multi-focal collimating lens within the bi-function headlight assembly, the multi-focal collimating lens includes a lower collimating lens part and an upper collimating lens part located on top of the lower collimating lens part. One focal point of the lower collimating lens part is located on a vertical symmetry plane of the lower collimating lens part, and two focal points of the upper collimating lens part are symmetrically located on both sides of a vertical symmetry plane of the upper collimating lens part, so that a cut-off line of a low beam can be generated in a far-field light pattern of the multi-focal collimating lens.

Abstract: The present disclosure provides a LED lighting device including a housing, a light source component, an optical lens that is located above the light source component and is configured to distribute light for the light source component, a reflector in contact with the optical lens, and a surface ring assembled on the reflector; and the housing, the light source component, the optical lens, the reflector, and the surface ring are sequentially arranged; the surface ring is fixed on the housing to delimit a receiving chamber, the light source component, the optical lens, the reflector are all located in the receiving chamber; LED light source particles are located a light source base plate included in the light source component; light of the LED light source particles sequentially passes through the optical lens and the reflector, and then emits through a light exit of the LED lighting device.

Abstract: A string light assembly having a plurality of lighting components is described. Each lighting component comprises a first cover socket, a second cover socket, and a collar for coupling the first and second cover sockets together. When coupled, the first and second cover sockets form a socket housing that has an interior space. The interior space is sized and dimensioned to house an electrical socket. The electrical socket has a cavity with electrical contacts for connecting a light element such as an LED bulb. The lighting component also includes a lampshade that removably couples with the collar.

Abstract: A device for backlighting a liquid-crystal matrix array of a flat screen for viewing in day- or night-vision mode with NVIS compatibility includes a light guide GL which comprises a main cuboid plate shape PP assembled together with at least one right-angled triangular auxiliary prism PA1 which comprises at least one reflective face, and which is arranged together with the main plate to define, on the same lateral face of the plate, two distinct injection windows, one injection window I1 for a nighttime light source and one injection window I2 for a daytime light source. The nighttime light is injected into the plate, by reflection within or off the auxiliary prism in the direction of the respective injection window (I1). The lateral face of the prism that directly receives the light emitted by the nighttime source may comprise an optical filter FNVIS-c formed collectively over its surface by deposition of dielectric films.

Abstract: Provided is a display device capable of switching between a wide viewing angle and a narrow viewing angle with a simple configuration and simple control. The problem is solved by providing a display element and an optical switching element which is disposed on a visible side of the display element, in which the optical switching element has a light guiding plate and a light source for causing light to be incident on an end surface of the light guiding plate, and 80% or more of the light emitted from the light guiding plate when the light source is turned on is emitted to a region at an angle of 30° or more with respect to a normal line of the light guiding plate on a surface on the opposite side of the display element.

Abstract: A lighting device includes a light source emitting light having a first bandwidth. A single optic device is coupled to the light source. The single optic device filters light having a preselected subrange of wavelengths within the first bandwidth to generate a first filtered light. The single optic device controls a shape of a beam of the filtered light. The filtered light creates a high-intensity narrow-spectrum light output. A second light source emits a high-intensity narrow-spectrum light output.

Abstract: This relates to a light guide for a lighting device for a vehicle, including at least one woven flat body and a plurality of optical fibers, which at least partly build the flat body. All or some of the optical fibers comprise at least one coupling section. Each coupling section is disposable or disposed in a socket of the lighting device to receive light from a light source of the lighting device. The optical fibers include at least one light decoupling section being part of at least one illumination section of the woven flat body. The woven flat body and/or the at least one light decoupling section of the optical fibers include at least one reflecting element to decouple light from the optical fibers.

Abstract: A desk top alarm or time related or LED lighting device with backup battery for power fail time keep time functions always work, and device has USB-port(s) has built-in or external AC-to-DC circuit to get 1st voltage DC, and 1st DC go through at least one of DC-to-DC (including just conductive-piece) to 2nd or more voltage DC(s). At least one of 1st or 2nd or more voltage DC to supply to at least one of (i) USB-charging port(s), (ii) “8’ light source(s), or optional (iii) IC, (iv) speaker, (v) audio device, (vi) radio, (vii) outlet(s), (viii) surge or other safety protection circuit, (ix) colorful LEDs or LED-bulb for accent light, wake-up light, sleep night light, (x) colorful LEDs for charging status or power on/off or am/pm or, other indicator purpose, (xi). Same AC-to-DC circuit and DC-to-DC circuit also apply to desk top LED light which has built-in plurality of LED(s) inside the LED(s) compartment or replaceable/detachable CFL or LED bulbs for desk top LED lighting device.

Abstract: Quickly USB Charging ports for lighting device has USB charging-ports which meet 2007 released specification has minimum 1.0 Amp to 5 Amp at DC 5 Volt safety and quickly charging capacity to quickly charge DC current into energy-storage unit or assembly inside the other electric or digital product(s) without high voltage DC current for overheat and fire risk and, optionally, additional outlet-units, to supply AC current to other electric or digital devices including smart phone, computer, communication, consumer electric products. The USB-unit(s) or USB-Module(s) or Outlet-unit(s) fit within or install on anywhere of the item's housing including anywhere of the base, pole, bar, stand, step, contour, edge, walls. The said USB charger only has charging function no any data transmit and only have one input power source not more than one and charging capacity minimum 1.0 Amp up for quickly charge from USB-Charging-ports by 2 male USB-plugs' USB-wire to the device's female USB-ports.

Abstract: A helical airflow guide device and a stage light heat dissipation system provided with the helical airflow guide device are provided. The helical airflow guide device comprises an airflow guide main body. The airflow guide main body is provided with multiple protruding portions. The multiple protruding portions are helically arranged, and gaps between adjacent protruding portions form multiple funnel-shaped airflow intake passages. Sizes of openings of the multiple airflow intake passages are different and change gradually. The multiple protruding portions are helically arranged, and the gaps between adjacent protruding portions form the multiple funnel-shaped airflow intake passages, such that entering airflows are circumferentially helical.

Abstract: An illumination system and a projection device using this illumination system are provided. The illumination system is adapted to provide an illumination light beam. The illumination system includes a plurality of light emitting element package structures and a light condensing element. The light emitting element package structures are adapted to provide a plurality of excitation light beams, respectively. The light condensing element is disposed on transmission paths of the excitation light beams. Each of the light emitting element package structures includes a substrate, a plurality of light emitting chips, and a package lens. The light emitting chips are disposed on the substrate. The package lens is disposed on the substrate and covers the light emitting chips. Each of the package lenses includes a plurality of lens units, and the lens units in each of the package lenses are integrally connected to cover the light emitting chips.

Abstract: Exemplary embodiments disclosed herein provide a LCD assembly including an LED backlight, a liquid crystal display (LCD) placed in front of the LED backlight, a glass plate positioned between LED backlight and the LCD; and an optical film positioned between the glass plate and the LCD. In some embodiments, the glass plate is bonded to the rear side of the LCD, generally around the perimeter of the LCD. Preferred embodiments place a diffusing film within a cavity that is defined between the glass plate and the LCD. Some embodiments also bond the backlight cavity walls to the glass plate, on a side opposing the LCD.

Abstract: A lighting apparatus includes a housing structure having a rear face, a sidewall, a front end face, a partition to divide an interior cavity of the housing structure into a top portion and a bottom portion, and at least one exterior width dimension such that at least a portion of the housing structure fits into a space having a width of less than 3.5 inches. A light source module is positioned in the bottom portion of the housing structure, and an AC to DC converter is positioned in the top portion of the housing structure to power the light source module. A reflecting element is positioned to direct light produced by the light source module out of the housing structure. At least a portion of a front surface of a substantially flat lens is substantially coplanar with an exterior surface of the front end face of the housing structure.

Abstract: An LED illumination apparatus module includes a light-emitting component and a mounting base. The light-emitting component includes a load board, a wire, a circuit board, and one or more light-emitting diodes. The light-emitting diode is disposed on the load board, and the wire electrically connects the light-emitting diode and the circuit board. The mounting base includes an LED assembly portion and a frame. The LED assembly portion includes a mounting surface and the load board is fixed on the mounting surface. An end of the frame is connected to the mounting surface of the LED assembly portion. The frame includes a body portion and a circuit board fixing structure. The circuit board fixing structure is disposed on the body portion, and the circuit board is fixed to the circuit board fixing structure. The light-emitting components are mounted on the base in a modularized manner.