Abstract: An illumination module is disclosed, which is comprised of a plurality of light sources, a plurality of light source substrates of high thermal conductivity, and a reflecting member for reflecting light. The plural light source substrates are arranged at positions corresponding to each other so as to form a polygon periphery of the illumination module, whereas the inner surface of the polygon periphery is enabled for at least one of the plural light sources to fit therein. The reflecting member is placed at the center of the module where it is corresponding to each of the plural light source substrates so as to reflect the light emitting from the light sources fitted thereon. In addition, a lens with light refraction ability is disposed at the light emitting end of the illumination module so as to enable the light illumination module to have light condensing/diffusing capability.

Abstract: A dome light is disclosed which utilizes a rotating knob with ‘on’ and ‘off’ positions to toggle between having either a halogen bulb on or a plurality of red LEDs on, or both off. Dual D-type flip-flops toggle the dome light between states in response the changes of the knob between the ‘on’ and ‘off’ positions. The plurality of red LEDs utilize at least one current regulator to maintain a constant level of illumination. When the halogen bulb is on, further rotation of the knob varies a potentiometer which controls the duty cycle created by a pulse width modulator. The pulse width modulator causes the halogen bulb to be on for portions of each cycle; the longer the ‘on’ time during each cycle, the greater the apparent intensity of illumination by the halogen bulb.

Abstract: Methods of controlling a backlight unit including a plurality of solid state light emitting devices include receiving a request to set a color point of the backlight unit at a requested color point, and determining if the requested color point is within an acceptable range. In response to the requested color point being outside the acceptable range, a modified color point is selected in response to the requested color point, and a color point of the backlight unit is set at the modified color point. Corresponding solid state lighting units are also disclosed.

Abstract: A retractable, automatic, on/off flashlight system includes a retriever having a retriever spring and a line to be retracted by the retriever spring into the retriever in a retraction direction. A flashlight has a light source, a power source and a switch connected in a circuit. The switch has an actuator connected to the line. The actuator closes the switch and turns on the light source upon pulling the flashlight and the line away from the retriever in an extension direction.

Abstract: There are provided a surface emitting device and a projection display device, in which high power output can be produced by configuring a large-scaled LED. The surface emitting device includes a plurality of stacked light emitting elements provided on one module. Each of the stacked light emitting elements includes n-type layers, light emitting layers and p-type layers, which are formed in sequence.

Abstract: In one example, a lighting apparatus comprises a processor wherein the processor is configured to control a color-changing lighting effect generated by the lighting apparatus; wherein the processor is further configured to monitor an operating power source; and wherein the processor is further configured to synchronize the color-changing lighting effect in coordination with a parameter of the operating power source.

Abstract: A low cost under-cabinet and display case lighting system that permits the highest degree of flexibility in the installation and location of luminaires for under-cabinet and display case lighting. The system consists of a high-frequency power source, an interconnection cord, and one or more high-frequency luminaires. The high-frequency power source is powered from a source of 50 or 60 Hertz power. The interconnection cord is connected to the high-frequency output of high-frequency power source. The high-frequency luminaires are mounted in the desired locations under the cabinets or display case shelves. Any number of high-frequency luminaires (within the capacity of the high-frequency power source) may be added.

Abstract: A method to decrease the power consumption and increase the brightness of backlit electronic displays that require a backlight such as but not limited to LCDs used in Laptops, Monitors, PDAs and cell phones, etc. . . . . The method allow such displays to make use of ambient light such as sunlight and/or indoor/outdoor lights as an aid or even a replacement to the integrated light source in the display itself.

Abstract: A light engine for use in systems such as automotive lighting systems employs two or more semiconductor light sources, such as LEDs. Light emitted from the light sources is captured by light pipes which are mounted such that the light capturing surface of the light pipes are properly positioned, with respect to the semiconductor light sources, substantially independent of changes in the dimensions of the light pipes which may result from thermal expansion or contraction of the light pipes. The light pipes transfer substantially all of the light captured from the semiconductor light sources to light emitting surfaces of the light pipes which can be appropriately located adjacent the output optics of the lighting system. The light engine can be easily assembled as the light pipes are retained in slots on a positioning member which is mounted at a known position with respect to the semiconductor light sources.

Abstract: A new lighting system is provided that is particularly useful in projecting light to a deck where pilots use night vision goggles (NVGs). The system comprises a pair of subsystems that project light with different, complementary spatial distributions. One subsystem projects light with one spatial distribution, and the other lighting subsystem projects light with another spatial distribution that supplements the light from the first subsystem, so as to provide a system that effectively illuminates an entire target. The system is designed to substantially filter light so that the light does not interfere with NVGs. The system includes new optical projection structure that minimizes the overall size of the projection structure, and maintains good efficiency.

Abstract: An energy efficient flashlight system having multiple lighting display modes and a single operating switch that enables a user to step through the modes. The flashlight illuminates via the use of a plurality of light emitting diodes (LEDs) that preferably contain at least two colors, such as red and white, and are designed to coordinate in order to provide the plurality of modes including an emergency signaling mode, a red map reading mode or directional pointing mode and a bright illumination mode. The flashlight enables a user to hold, operate and toggle between modes using a single hand.

Abstract: The invention relates to a light-emitting diode cluster lamp. The light-emitting diode cluster lamp includes a plurality of light-emitting diode lamp packages, a control circuit, and a casing. Each of the light-emitting diode lamp packages includes a heat-conducting/dissipating module and a light-emitting diode module. The control circuit module is used for controlling the light-emitting diode lamp packages. The casing is adapted to accommodate the light-emitting diode lamp packages and the control circuit module. When the light-emitting diode cluster lamp is connected to a power source, the control circuit module selectively makes the light-emitting diode modules emit light. The heat generated during the light emission of each of the light-emitting diode modules is conducted and dissipated by the corresponding heat-conducting/dissipating module of each of the light-emitting diode modules.

Abstract: A boat running light and emergency light apparatus and method comprising a plurality of radially projecting lights, at least one axially upward projecting light and at least one photometer, wherein the at least one photometer senses the amount of illumination from the plurality of radially projecting lights. Upon a reduction or cessation of illumination caused by failure of one or more of the plurality of radially projecting lights, the plurality of radially projecting lights are turned off and the axially upward projecting lights are illuminated to notify boaters of a faulty light while still providing redundant lighting. Additionally, the boat light is capable of flashing SOS in Morse code during an emergency situation. The lights are preferably high intensity directional light emitting diodes.

Abstract: According to one embodiment of the present invention, at least one puck light with a cover and a base magnetically held together is provided. Other embodiments include a cover and a base magnetically held together while the puck light is mounted to the underside of a horizontal surface, and where the magnetic attraction between the cover and base provides for the removal of the cover from the base by hand without a tool. Other embodiments include two differently shaped covers that are interchangeably attachable to the base. Other embodiments include at least one puck light with a cover and a base magnetically held together, and where the puck light projects a shape onto a support surface and perpendicular to the support surface when the puck light is attached to the surface, where the largest dimension of the projected shape is at most four and one-quarter (4¼) inches.

Abstract: A cold cathode fluorescent lamp (10) is configured generally as a trapezium having first (11), second (12), third (13) and fourth (14) sides, the lamp (10) has a first end (15) adapted to be connected to an electric supply and a second end (16) adapted to be connected to the electric supply, the first and third sides (11 and 13) being generally parallel to one another and running in opposite directions, the second side (12) extending between the first and third sides (11 and 13) and not at right angles to either the first side (11) or the third side (13), and the fourth side (14) being defined by a first portion (17) extending from the third side (13), a second portion (18) of generally inverted U-shape extending towards the second side (12) and a third portion (19) extending from the second portion (18) towards the first side (11).

Abstract: A backlight module is provided. The backlight module includes a frame, a plurality of light emitting elements, at least one photo sensor device and a diffusing plate. The frame has a bottom plate on which the plurality of light emitting elements are disposed. The photo sensor device is distributed on the bottom plate and among the plurality of light emitting elements. It is to be noted that the photo sensor device includes a light mixing component having a receiving space configured at a bottom thereof, and a photo sensor chip received in the receiving space. The diffusing plate is disposed in the frame and above the light emitting elements and the photo sensor device. The backlight module has an excellent light outputting performance and an LCD using the same has better displaying performance.

Abstract: Methods and apparatus for controlling illumination. In one example, one or more multi-color light sources are controlled based on one or more interruptions of power supplied to the light source(s). In another example, a pool or spa is illuminated by one or more multi-color light sources that may be employed as individually and independently controllable devices that may be controlled based on one or more interruptions in power. In another example, the selection of a particular illumination program for such light sources (e.g., by one or more interruptions in power) is indicated to a user via the radiation generated by the light sources.

Abstract: The present invention discloses a full color flashlight with high power LEDs. The flashlight is primarily composed of a full color LED module having LED chip set of different wavelengths, a control-circuit module, a function switch, batteries, and a barrel body. By controlling the LED chip set of different wavelengths through the control-circuit module, light beams of various colors can be emitted and uniformly mixed. The flashlight further comprises a function switch for changing the color of light and/or switching operation modes between a fast flash mode, a slow flash mode, a brightness control mode and un-lighting. Accordingly, the full color flashlight can be employed in different environments, for example, yellow or light blue light can be used at night to prevent the eyes from dazzling, and red flash can be as warning signal during traffic events; in conclusion, the present invention can be elaborate in the day-to-day life.

Abstract: A method and apparatus are disclosed for providing illumination. The apparatus includes a lamp housing defining a cavity, a plurality of light emitting diodes disposed within the cavity and sealing means comprising at least a first glass sheet for sealing the cavity.

Abstract: A light emitting device array chip comprises a light emitting device array having a plurality of light emitting devices arranged two-dimensionally on a substrate. The profile of the light emitting device array chip is a parallelogram with two long sides and two short sides forming an acute or obtuse angle. The light emitting device array has a plurality of blocks arranged along the long sides, and each block has a plurality of segments arranged along the long sides. In each segment, a plurality of light emitting devices are arranged in a plurality of rows along the long sides and also in a plurality of rows along the short sides, and they are connected to a common electrode. At least a single wire is provided for electrically connecting a plurality of light emitting devices selected from different segments, and an electrode pad for wire bonding is formed on the at least single wire. The electrode pad is arranged at the side of the long side of a corner of the acute angles on the array chip.

Abstract: The invention provides an irradiation unit for a flow-cytometry-based analytical instrument and analytical instrument including the same. The irradiation unit comprises a light source; a light beam focusing module for focusing the illuminating light beam on an irradiated area; and a light beam shaper disposed between the light source and the light beam focusing module, for flattening the distribution of light intensity on the irradiated area in a direction that is perpendicular to both directions in which cells to be detected flow and the light beam spreads. The irradiation unit and the analytical instrument including the same enable the illuminating light beam to form the irradiated area with the uniform distribution of intensity in a predetermined direction to avoid misjudging particles of the same kind entering into different positions of the irradiated area as different, thereby improving accuracy.

Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.

Abstract: The systems and methods described herein relate to solid-state light sources capable of generating radiation beams for, but not limited to, the treatment of surfaces, bulk materials, films, and coatings. The solid-state ultraviolet source optically combines the light output of at least two and preferably as many four independently controllable discrete solid-state light emitters to produce a light beam that has a controllable multi-wavelength spectrum over a wide range of wavelengths (i.e. deep UV to near-IR). Specific features of this light source permit changes in the spectral, spatial and temporal distribution of light for use in curing, surface modification and other applications.

Abstract: A light source having a lead frame, a body, and a plurality of dies, each die having an LED thereon is disclosed. The body includes a top surface, a bottom surface and a plurality of side surfaces. The lead frame includes first, second, and third sections, the first section includes a die mounting area having a first protrusion that passes through the body and terminates in a pad on the bottom surface. The second and third sections each include a protrusion that is bent to form first and second leads that run along one of the side surfaces. Each die is bonded to the die mounting area such that a first contact is electrically connected to the die mounting area, and a second contact is connected to one of the second and third sections. The first protrusion of the first section provides improved heat transfer.

Abstract: The present invention provides an illumination module comprising one or more light-emitting elements which are thermally coupled to one or more heat extraction elements. The one or more heat extraction elements are configured to transfer heat in substantially a first direction. One or more optical elements are further integrated into the illumination module, wherein the one or more optical elements are optically coupled to the one or more light-emitting elements and configured to redirect the light emitted by the one or more light-emitting elements in substantially the first direction.

Abstract: A multiparameter light is disclosed, which incorporates an LED (light emitting diode) tracking ring surrounding a main output lens. The LED tracking ring is capable of additive color mixing and in turn can simulate the color of the main projected light projecting from the main output aperture or output lens of the multiparameter light.

Abstract: A light array includes a major light, at least one minor light and a dimmer. The minor light is connected to the major light. The dimmer connected to the major light. The dimmer is operable for adjusting the luminance of light emitted from the major and minor lights.

Abstract: A portable reading lamp of the invention comprises a base, a head portion and a pole to connect the base with the head portion. The head portion is provided with the luminant, which is semiconductor LED. A battery box is provided on the base, the head portion or the pole for supplying direct current. The semiconductor LED is used as the luminant in the invention, so the reading lamp of the invention can save energy in high-efficiency (10% electricity consumption of the traditional reading lamp), which also has the following strongpoint: saturated color and ray, infinite motley, switching rapidly, unpolluted, shock-resistant, dampness-resistant, long usage life (100,000 hours), radiation-free and less maintenance. The invention also provides a battery box in the base for supplying direct current, which is very convenient to be used in the field when no external power source can be used.

Abstract: A hybrid fluorescent-LED lighting system comprising a controller, LED elements, fluorescent lamp, and a color/brightness sensor, wherein the color/brightness sensor measures a combined light output of both the fluorescent lamp and the LED elements. A method for controlling the hybrid fluorescent LED lighting system includes receiving a request for brightness/color, setting a fluorescent lamp output to a particular brightness level, setting output of LEDs to a particular brightness level, measuring a combined output of the fluorescent lamp and LEDs; and adjusting the output of LEDs until the total output of the fluorescent lamp and LEDs matches the request for brightness/color. Adjusting the output of LEDs may include the step of driving a specific spectrum range of the LEDs as necessary in order to fill-in variances in a spectrum range of the fluorescent lamp. The method further allows modifying the color of light output.

Abstract: A backlight unit includes a fluorescent lamp to illuminate a liquid crystal panel, a reflection unit for causing the light from the fluorescent lamp to exit toward a certain direction, and a diffusion unit for diffusing the light from the fluorescent lamp and reflection unit, and reflectance or transmittance in the horizontal and vertical directions is controlled by applying a dot pattern that gradually increases densities from the central portion toward the peripheral portion to the reflection unit or diffusion unit, or by applying a dot pattern that gradually increases densities from the central portion toward the both ends in the longitudinal direction on the surface of the fluorescent tube of the fluorescent lamp. By doing this, brightness gradient is formed in the horizontal and vertical directions so that the brightness in the central portion of the liquid crystal panel is relatively higher than the brightness of the peripheral portion thereof.

Abstract: In order to meet the legal requirements regarding color of light from a headlight, especially at the light-dark boundary and how much scattered light can occur in the dark region, a lens (5) is provided, which has a diffractive structure on at least one of its surfaces (8). This lens (5) is built into a headlight with a diaphragm (4) arranged between the lens (5) and a light source (3) so that the diffractive structure is arranged substantially only in a region of the lens surface that is not masked by the diaphragm. In various embodiments a computer-generated hologram (17a-17e) can be arranged in the other region of the lens surface that is masked by the diaphragm, so that the lighting apparatus can perform other functions, such as improving driver visibility, displaying an image, measuring the distance to an object or detecting rain or snow.

Abstract: A signaling control device apparatus (10) comprises at least one LED (20) having a light emitting surface (18). A sensor (24) is set to detect an external light load (16) directed to the light emitting surface (18) and generate a control signal indicative of a presence of the light load (16). An electrical control system (14) detects the control signal indicative of the light load (16) and sources an elevated current to the LED (20) while the light load (16) is present. The elevated current increases the contrast ratio making the signal perceivable by the users as being in a particular state.

Abstract: The invention provides a circuit device for controlling N light-emitting devices disposed in a sequence on an object, wherein N is an integer larger than 1, and each light-emitting device includes a respective light-emitting diode. The circuit device includes a water-proof enclosure, a motion-actuated switch, a controller, and a battery. Particularly, the controller is capable of driving the light-emitting diodes lighting up on the basis of a first predefined sequence and a consequent second predefined sequence when triggered by the motion-actuated switch.

Abstract: In one aspect, a light device is provided having an elongate body that has a high strength construction. The high-strength light device is especially well-suited for use as a work light. The work light includes a high-strength body that has a handle and an elongate light-transmissive portion extending from the handle. Preferably, the light-transmissive portion includes a one-piece tubular wall that is tapered and which is molded from a high-strength material. In another aspect, the light device includes anti-rolling surfaces axially between the handle and light transmission portion along the elongate body. The anti-rolling surfaces preferably have a flat configuration so that the flat surfaces keep the elongate body from rolling when placed on a support surface.

Abstract: An illumination system includes a beam splitting unit, a first lamp, a second lamp and a reflective component. The beam splitting unit has a splitting interface. One of the first lamp, the second lamp and the reflective component is disposed at one side of the beam splitting interface, and the others are disposed at the other side of the splitting interface. Moreover, a first beam and a second beam are respectively provided by the first lamp and the second lamp. The beam splitting unit is adapted to pass through a portion of the first beam and the second beam and reflect the other portion of the first beam and the second beam. The reflective component, the first lamp and the second lamp are adapted to reflect the collected portions of the first beam and the second beam back to the beam splitting unit.

Abstract: A backlight unit for a liquid crystal display device includes a first light-emitting unit having first and second passive light-emitting lamps; a second light-emitting unit having a plurality of self light-emitting lamps; and a light guide disposed between the first and second light-emitting units guiding an incident light from the second light-emitting unit to the first light-emitting unit.

Abstract: A lighting apparatus includes a substrate, a plurality of light-emitting chips and a light-emitting member. The substrate has a layer including a base material and a medium. The base material is formed of an inorganic material and includes a plurality of cells. The medium is provided in the cells and has a refractive index lower than that of the inorganic material. The light-emitting chips are made of a semiconductor material and mounted on the substrate. The light-emitting member includes a fluorescent material and is provided above the light-emitting chips.

Abstract: An illuminator assembly is provided for supplying night vision illumination. The assembly includes a support housing and an infrared illumination source. An infrared reflector receives the radiation emitted from the infrared illumination source and reflects the infrared radiation in a first substantially collimated field of view and transmits visible light therethrough. A visible light reflector is located behind the infrared reflective mirror for receiving visible light transmitted through the infrared reflector and reflecting scattering the visible light in a second field of view.

Abstract: For lighting equipment for illumination of theatre and show stages and platforms there is designed an equipment for change of rotary gobos comprising a carrier disc supporting interchangeable segments with the gobos. The individual segments (2) are attached at the carrier disc (1) by central holding means, each segment (2) being provided with means for setting the segment (2) on the carrier disc (1). Each segment (2) is provided with a lamella (3) for attachment in the central holding mean holding means comprise a system of flexible fingers (10) in a fan-shaped arrangement, the fingers (10) being at inside ends fixed to the carrier disc (1) and on the outside free ends adapted to allow for insertion of the segment lamellas (3) between the fingers (10) and the carrier disc (1).

Abstract: A light source for an atomizing device, specifically an atom absorption spectrometer comprising one, two, or more lamps, whose ray can be selected by means of at least one two-dimensionally moveable optical selection element, and which can be directed in the direction of atomizing device. Fine-tuning is thereby achieved quickly with little constructive expenditure and with low costs. A very high degree of accuracy is possible from the selector through a rotational and highly adjustable rotation spindle.

Abstract: A system for providing a backlight module has a light guide plate and at least a light source set positioned adjacent to the incident surface. The light source set contains a plurality of light sources stacking along a direction parallel with the incident surface of the light guide plate.

Abstract: An addressable lighting device and control system uses a user-actuable infrared or radio frequency operated remote control(s) to selectively or collectively generate an electronic address for the addressable lighting device on which the device will respond to all future signals from the remote control corresponding to that electronic address. The addressable lighting device has a programming mode for setting the address and a working mode for receiving control signals on the set address and correspondingly setting the desired intensity level of light. The addressable device may have the address set and changed locally (manually) or remotely using the remote control to switch modes, thereby avoiding the problems, expenses and mistakes associated with using dual in-line package (DIP) switches, binary, hex rotary switches, or thumbwheel switches normally used to set each one of the system's unit's unique address.

Abstract: The invention relates to a display apparatus, particularly to structure of LED display modules. The invention could be implemented through a LED matrix display module with high luminance area ratio comprising an injection molding unit and a printing board fitted therewith, wherein, LEDs are regularly arranged in a matrix on said printing board, and each pixel dot is correspondingly provided with a reflecting cavity on said molding unit, with the reflecting cavity expanding gradually from the inside section (close to the display surface). The circumference of the inside section of the reflecting cavity forms a closed and smooth circular curve. The invention is characterized in that, the circumference of the outside section of the reflecting cavity forms a closed and smooth curve which is a square with round corners, and the side face of the reflecting cavity is a smooth and cured surface.

Abstract: An image reading apparatus that detects failure in the white LEDs constituting a white LED array. Failure in the white LEDs is detected by comparison between a prescribed current threshold and the current running in the LED array detected by an image reading apparatus controller when the white LED array composed of plural LED blocks connected in parallel, each LED block being composed of plural LEDs connected in series, is powered for failure detection. This failure check is conducted by checking LEDs for failure in each of the LED blocks constituting the LED array. Image reading is not permitted when faulty LEDs are detected in two neighboring LED blocks.

Abstract: A Lamp module, which includes a metal holder frame that defines a longitudinal open chamber and transverse mounting slots across the longitudinal open chamber, LEDs that are respectively mounted in the transverse mounting slots and have a respective top metal frame fastened to the top wall of the metal holder frame for quick dissipation of heat, light guides mounted in the longitudinal open chamber of the holder frame and respectively perpendicularly attached to the LEDs, and reflectors respectively embedded in the light guides for reflecting light in one direction.

Abstract: A multiparameter light is disclosed, which incorporates an LED (light emitting diode) tracking ring surrounding a main output lens. The LED tracking ring is capable of additive color mixing and in turn can simulate the color of the main projected light projecting from the main output aperture or output lens of the multiparameter light.

Abstract: An LED lighting array is disclosed wherein a plurality of light emitting devices disposed in at least first and second columns are mounted on a planar mounting surface to form an emission plane. The emission axes of all the LEDs in a first column are parallel with each other and lie in a first plane. The emission axes of the LEDs in an adjacent, second column are also parallel, but a second plane containing the emission axes of the second column is disposed at a predetermined, non-zero angle with respect to the first plane. The non-zero angle is a function of the LED beam width and the distance to a lighting target. This configuration of the LEDs provides an optimum balance at a predetermined target distance between the size of the area illuminated and the brightness of the illumination of the target. In one aspect of the invention the LED lighting array includes at least first, second and third columns of LEDs.

Abstract: The present invention is to provide an electronic device having a plurality of light emitting units, which are arranged on a panel of the electronic device above each ports thereon in an alternating pattern or in a chess-board pattern with high density, such that the number of the light emitting units disposed on the panel can be increased and the lights emitted by light emitting elements thereof can easily be recognized without causing the spill interference effect between the adjacent light emitting elements.

Abstract: The present invention provides a luminaire system capable of generating light of a desired chromaticity and luminous flux output during continuous operation with varying ambient operating temperature. The luminaire system can be further capable of maintaining a desired correlated colour temperature during dimming of the luminaire. The luminaire system comprises one or more arrays of light-emitting elements for generating light with a current driver system coupled thereto for selectively supplying electrical drive current to each of the arrays, wherein the current driver system is responsive to drive signals received from a controller. The luminaire system further comprises an optical sensor system for generating optical signals representative of chromaticity and luminous flux output of the light. A heat sensing system is operatively coupled to the one or more arrays for generating signals representative of the junction temperatures of arrays of light-emitting elements during operation.

Abstract: A laser projector and software are disclosed. The software controls the laser projector for factory and warehouse floor-room marking and signage.