Abstract: A display apparatus and a light source module are provided. The display apparatus includes: a display unit; and a light source module providing light so that an image is displayed on the display unit, the light source module including: a light emitting element which emits the light; a base substrate on which the light emitting element; and a cooling unit including: a capillary tube forming part which a capillary tube inside the base substrate and extending between a first area and a second area farther away from the light emitting element than the first area, and coolant which travels between the first area and the second area in the capillary tube according to a change in phase caused by heat from the light emitting element to transfer the heat from the first area to the second area, and which cools the emitted heat.

Abstract: A heat sink including an inner piece and an outer piece is provided. The inner piece has a side surface. The outer piece is disposed around the inner piece and has an inner side surface, wherein the side surface of the inner piece is riveted to the inner side surface of the outer piece to form an interface, and an area ratio of the interface and the side surface of the inner piece is between 0.6 and 0.95. The light emitting diode lamp using the heat sink is also provided.

Abstract: Alight source device includes: a light emission portion; a cooling channel configured to guide air toward the light emission portion; a rotational member disposed within the cooling channel in such a condition as to be rotatable around a predetermined rotation shaft by gravity, and configured to switch the cooling channel to a first channel branched from the cooling channel in the downstream when the light source device is set in a first position, and to a second channel different from the first channel when the light source device is set in a second position, wherein a position of the center of gravity of the rotational member is located at a position shifted from the center between the rotation shaft and an end of the rotational member away from the rotation shaft toward the end.

Abstract: Lighting systems having unique configurations are provided. For instance, the lighting system may include a light source, a thermal management system and driver electronics, each contained within a housing structure. The light source is configured to provide illumination visible through an opening in the housing structure. The thermal management system is configured to provide an air flow, such as a unidirectional air flow, through the housing structure in order to cool the light source. The driver electronics are configured to provide power to each of the light source and the thermal management system.

Abstract: A hull mounted light for illuminating a place of portage to which a watercraft would come to dock. The docking light includes high intensity LED light sources for efficient illumination, an illuminated surface area on the exterior of the apparatus, a combination of circuits that compensates for the irregular operation of the watercrafts electrical system and a method of mounting that allows for adjustment after being operationally verified.

Abstract: A method is provided for operating an amalgam lamp, wherein the amalgam lamp has an emitter tube filled with inert gas. The amalgam is heated in the emitter tube by an external energy source. The amalgam lamp has an amalgam deposit.

Abstract: An optical irradiation equipment provided with a cage body having an UV radiation transmission window, and an excimer lamp which is arranged in an interior of said cage body, wherein gas flow openings being connected to one of a cooling gas supply mechanism and a cooling gas suction mechanism are provided at a periphery of said UV radiation transmission window.

Abstract: A lighting assembly utilizing a reflective body for use with a light source to uniformly disperse the light from the light source. The reflective body includes a lower array of first reflectors arranged about a central axis. Each of the first reflectors form an obtuse angle with the next adjacent first reflector. The reflective body also includes an upper array of second reflectors arranged about the central axis. Each of said second reflectors include a left face and a right face. The upper array defines obtuse angles between next adjacent second reflectors. Additionally, reflex angles are defined between the left and right faces of the second reflectors. The combination of angles evenly disperse the light supplied from the light source to provide a pleasant glow for illuminating an area below the lighting assembly without causing hot spots.

Abstract: A system is provided that includes a light-emitting diode (LED); a temperature sensor in thermal contact with the LED and capable of measuring an operating temperature and generating an operating temperature signal; and a temperature regulating system capable of receiving the operating temperature signal and regulating the operating temperature based on the operating temperature signal. A method for stabilizing the temperature of an LED is provided. A method is provided that includes providing a system comprising an LED, a reaction region, and a sample in the reaction region; generating excitation beams with the LED; directing excitation beams to the sample; detecting an optical property of the sample to obtain detection data; measuring the- operating temperature of the light emitting diode; and adjusting the detection data of an excitation beam characteristic shift related to the operating temperature, when the LED is operated at the operating temperature to generate the excitation beams.

Abstract: A lighting device comprising a group of one of more illumination solid state light emitters, a reference solid state light emitter and a reference sensor which detects an intensity of the reference solid state light emitter. Each of the emitters (1) has an illumination which is spaced from a first point by a delta u?, v? distance on a 1976 CIR diagram of not more than 0.015, and/or (2) has a forward voltage temperature dependence which is within 5% of a first forward voltage temperature dependence. In addition, a lighting device comprising one or more illumination solid state light emitters, a reference solid state light emitter and a sensor which comprises at least two areas of individual sensors. Also, methods of lighting.

Abstract: A white light source includes a light-emitting diode configured to emit light of a characteristic wavelength. The white light source also includes at least one phosphor. The phosphor is configured to emit light in response to the light emitted by the light-emitting diode so that the white light source emits white light. The white light source further includes a thermally conductive base in thermal contact with the light-emitting diode and a thermo-electric cooler in thermal contact with the thermally conductive base.

Abstract: A light-emitting diode (LED) illumination apparatus including a housing, an LED light source, and a power supply unit is provided. The housing has a light source accommodating space, a power supply accommodating space and a thermal isolation channel linked to the atmosphere, wherein the thermal isolation channel is located between the light source accommodating space and the power supply accommodating space. The LED light source is disposed in the light source accommodating space and the power supply unit is disposed in the power supply accommodating space. The thermal isolation channel is capable of preventing thermal interference between the LED light source and the power supply unit.

Abstract: The present invention is a LED lamp, which comprises an insulation body having a first end electrically installed onto a lamp holder and a second end electrically connected to the first end, a heat dissipation element sleeved on the insulation body, and a light source module electrically and movably connected to the second end, wherein the light source module includes at least one LED, each of the LED is electrically mounted on a lower surface of a printed circuit board, and a lower surface and a upper surface of a heat dissipation plate are connected to an upper surface of the printed circuit board and a lower surface of the heat dissipation element respectively.

Abstract: A lighting system is described. The lighting system includes a lamp and a first container including a first phase change material thermally connected to the lamp. Heat generated by the lamp during operation is conducted to the first phase change material. The system also includes a second container including a second phase change material thermally connected to the lamp. Heat generated by the lamp during operation is also conducted to the second phase change material, and the second phase change material has a transition point temperature lower than the transition point temperature of the first phase change material of the first container to account for a temperature drop between the second container and the first container. The lighting system also includes a temperature sensor for reducing lamp power if the lamp becomes too hot, and a mounting bracket which may also conduct heat away from the lamp.

Abstract: A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output.

Abstract: An exemplary backlight control circuit includes an inverter, a pulse width modulation (PWM) circuit, and a frequency setting circuit. The inverter is configured to provide an alternating current voltage to a lamp. The PWM circuit is configured to provide a pulse control signal to the inverter. The frequency setting circuit is configured to regulate a frequency of the pulse control signal provided by the PWM circuit according to a temperature of the lamp.

Abstract: An LED variable light source of this invention includes a super luminescent LED for generating a continuous light signal having a logarithmically controllable light intensity maintainable over a broad spectral range. The LED variable light source also includes a light lens for receiving and focusing the generated continuous light signal and a controller for controlling the light signal's intensity and frequency range via a driver interface, constructed and arranged to allow a user to input LED variable light source control inputs.

Abstract: A lamp comprising a solid state light emitter, the lamp being an A lamp and providing a wall plug efficiency of at least 90 lumens per watt. Also, a lamp comprising a solid state light emitter and a power supply, the emitter being mounted on a heat dissipation element, the dissipation element being spaced from the power supply. Also, a lamp, comprising a solid state light emitter and a heat dissipation element that has a heat dissipation chamber, whereby an ambient medium can enter the chamber, pass through the chamber, and exit. Also, a lamp, comprising a light emissive housing at least one solid state lighting emitter and a first heat dissipation element. Also, a lamp comprising a heat sink comprising a heat dissipation chamber. Also, a lamp comprising first and second heat dissipation elements. Also, a lamp comprising means for creating flow of ambient fluid.

Abstract: A hybrid chip-on-heatsink device comprises at least one LED die, at least one printed circuit board (PCB), and a thermally conductive substrate or heatsink. The LED die is physically and thermally coupled to the thermally conductive substrate. The PCB is physically coupled to the thermally conductive substrate. The LED die is electrically coupled to the PCB. The thermally conductive substrate acts as a spreader and as a heatsink, whereby heat is efficiently dissipated away from the LED die. The PCB may optionally contain other electrical components, and circuitry to create a “smart” LED package or light engine.

Abstract: A light emitting apparatus comprising an at least substantially omnidirectional light assembly including an LED-based light source within a light-transmissive envelope. Electronics configured to drive the LED-based light source, the electronics being disposed within a base having a blocking angle no larger than 45°. A plurality of heat dissipation elements (such as fins) in thermal communication with the base and extending adjacent the envelope.

Abstract: A sound adapting luminaire produces an amount of cooling output that depends on the ambient sound. When the ambient sound is high, the lamp is cooled more aggressively, since more fan noise is acceptable.

Abstract: The present invention relates to an LED illumination apparatus. The apparatus includes a body having a lower portion adapted for coupling to a power socket and an upper portion provided with a power source module accommodating chamber. A heat-dissipating module includes a funnel-shaped hollow case disposed at a top end of the upper portion and filled with a coolant fluid, wherein the hollow case has a small diameter open end adjacent to the body and a large diameter open end remote from the body. A light source module includes amounting substrate disposed at the small diameter open end, an LED mounted on the mounting substrate, and a power source module disposed within the power source module accommodating chamber in a manner electrically connected to and supplying working power to the LED.

Abstract: An LED lamp includes an optical part, a heat dissipation part and an electric part. The optical part includes main and auxiliary LED light sources thermally attached to the heat dissipation part. The electric part includes a rechargeable battery and a circuitry for converting an external AC power source into first and second DC power sources. The auxiliary LED light source is connected to the first DC power source for providing an auxiliary illumination when the external AC power source is normally supplied or to the rechargeable battery for providing an emergency illumination when the external AC power source is interrupted. The main LED light source is connected to the second DC power source for providing normal illumination when the external AC power source is supplied normally. Photoelectric switches are also provided for controlling the action of the auxiliary LED light source.

Abstract: An LED lamp includes a columnar heat-dissipating member having at least one air passage axially running through its inside; a cooling fan mounted to the heat-dissipating member and to a top end of the air passage; at least one LED disposed on a surface of the heat-dissipating member; and a controller electrically connected with the cooling fan and the LED for enabling the cooling fan to drive the airflow to flow upward and for driving the LED to light up.

Abstract: An exemplary backlight control circuit includes an inverter, a pulse width modulation (PWM) circuit, and a frequency setting circuit. The inverter is configured to provide an alternating current voltage to a lamp. The PWM circuit is configured to provide a pulse control signal to the inverter. The frequency setting circuit configured to regulate a frequency of the pulse control signal provided by the PWM circuit according to an environment temperature.

Abstract: The present invention provides a luminaire system and method for creating white light having a desired color temperature. The system comprises one or more white light light-emitting elements for generating white light having a particular color temperature. The system further comprises one or more first color light-emitting elements and one or more second color light-emitting elements. The luminaire system mixes the colored light generated by the first and second color light-emitting elements with the white light of a particular color temperature, in order to create white light having a desired correlated color temperature.

Abstract: An electrode-less plasma lamps comprises generally of a bulb containing a gas-fill that is excited to produce light using radio-frequency (RF) energy. In specific embodiments, the use of grounded coupling-elements with integrated bulb assemblies simplifies manufacturability, improves resonant frequency control, and enables the use of solid, partially filled, and hollow lamp bodies. In some embodiments, a method of operating an electrodeless plasma lamp device includes transferring RF energy from the RF source to an input coupling-element and illuminating electromagnetic energy substantially from the length of a gas-filled vessel from discharge of the gas-filled vessel.

Abstract: A lamp includes a lighting module providing illumination, a control unit, and a detecting unit. The control unit is connected or not connected to the lighting module. The detecting unit is coupled to the control unit. The detecting unit detects operational statuses of the lighting module and sends a detection result to the control unit. The control unit controls the lighting module or an alarm unit to enter an alarm mode based on the detection result. A user can immediately know the operational statuses by the alarm unit and take necessary actions to assure normal operation of the lamp.

Abstract: The present invention discloses an integrated electronic light source module that has a base plate to support an electronic light source; a power supply to drive this light source; and a heat sink to dissipate the heat generated by this invention. The cooling fins of the heat sink are in perpendicular relation to the axis along which the natural flow of heat is oriented. Such a setup provides for effective heat dissipation and a more rapid cooling then disclosed in the prior art. Although, the present invention can be completely autonomous, an optional coupling unit can be included that is adapted to connect to an external power source, such as a socket of a light fixture. The electronic light source embodies the use of an LED element, or of a more traditional fluorescent lighting. The present invention increases modularity of the device by integrating all components needed for an effective prolonged illumination into a single swapable module.

Abstract: An illumination device and a control method thereof are provided. The illumination device includes a fan and a light emitting diode module capable of emitting a light beam. The control method includes: detecting a fan signal of the fan; determining whether an operation of the fan is abnormal according to the fan signal, wherein a driving current of the LED module is reduced when the operation of the fan is determined to be abnormal; and a driving current of the LED module is reduced to a predetermined rang of the normal rated driving current when the fan is determined to be stop according to the fan signal.

Abstract: This invention is concerned with the control and design of a LED lighting system that does not need electrolytic capacitors in the entire system and can generate light output with reduced luminous flux fluctuation. The proposal is particularly suitable, but not restricted to, off-line applications in which the lighting system is powered by the ac mains. By eliminating electrolytic capacitors which have a limited lifetime of typically 15000 hours, the proposed system can be developed with passive and robust electrical components such as inductor and diode circuits, and it features long lifetime, low maintenance cost, robustness against extreme temperature variations and good power factor. No extra electronic control board is needed for the proposed passive circuits, which can become dimmable systems if the ac input voltage can be adjusted by external means. Optionally, the power sensitivity of the load against AC voltage fluctuation may be controlled.

Abstract: A cooling liquid can be circulated in a liquid cooling system, so that a light source unit and a control unit can be forcedly cooled by the cooling liquid. Thus, a temperature increase in these components can be suppressed, thereby achieving an increase in the output power of a liquid-cooled LED lighting device. The liquid-cooled LED lighting device can include a housing, a light source unit having LEDs as light sources, a liquid cooling system, and a control unit to control the light source unit to be turned on. The liquid cooling system can include a heat receiving jacket, a radiator, a circulation pump and a fan. The light source unit and the control unit can be disposed with the heat receiving jacket of the liquid cooling system interposed therebetween. Further, one surface of the control unit can be brought in close contact with the heat receiving jacket while a heat radiation portion (e.g., fins or pins) can be provided at an other surface of the control unit.

Abstract: Light device comprising a substrate, at least one photo-organic layer, at least two electrode layers electrically separated by said at least one photo-organic layer, and at least one encapsulation layer, wherein said at least one photo-organic layer is positioned between said substrate and said at least one encapsulating layer, and wherein multiple openings are provided that extend through the light device to allow fluids and or heat to pass through, said openings being spaced apart from said at least one photo-organic layer.

Abstract: A light fixture includes a plurality of fluorescent bulbs wherein a light intensity of each of the plurality of fluorescent bulbs is related to the operating temperature of the fluorescent bulbs, a sensor for sensing a physical parameter related to the light intensity, and a circuit adapted for monitoring the sensor and controlling the operating temperature of the fluorescent bulbs to maintain the operating temperature of the fluorescent bulbs within a range having a lower temperature and an upper temperature. A method of maintaining light intensity of fluorescent bulbs in an environmental chamber includes monitoring a physical parameter associated with the light intensity of the fluorescent bulbs in an environmental chamber and adjusting temperature of the fluorescent bulbs in the environmental chamber to maintain an optimum light intensity of the fluorescent bulbs in the environmental chamber.

Abstract: A method and system are provided for lamp temperature control for optical metrology. Precise control of the lamp temperature provides the improved signal-to-noise ratios required for accurately determining the profile of nanometer sized structures using optical metrology.

Abstract: A light source apparatus that comprises a blue light emitting diode and a fluorescent material film capable of converting the blue light emitted from the blue light emitting diode into white light, wherein the fluorescent material film is formed by coating, on a glass substrate, a dispersion prepared by dispersing a composition containing metallic oxide fine particles and a yellow fluorescent material capable of absorbing part of the blue light, thereby emitting yellow light, in a metallic alkoxide and/or metallic alkoxide oligomer, followed by firing.

Abstract: An article of manufacture, comprising: an LED or other light source in thermal communication with a thermoelectric module; and a feedback circuit that directs current generated by the thermoelectric module to at least one device. This invention improves on prior art by recycling heat produced by the LED or other light source into electricity produced via the thermoelectric module to be used by the light source, a cooling device, battery charger for battery backup system, control or monitoring system, etc.

Abstract: The invention relates to a portable ultraviolet/visible light (UVA/IS) lamp having a UVA/IS-light emitting diode (UVA/IS-LED) unit comprising a plurality of UVA/IS-LEDs as UVA/IS radiation source, a UVA/IS-LED electric power supply, and a cooling medium feed line connectable to a cooling medium reservoir for providing a flow of cooling medium to the UVA/IS-LEDs.

Abstract: An illuminating device includes: an LED device configured to irradiate light; a temperature detecting unit configured to detect a change in temperature of the LED device; and a unit configured to linearly change a drive current supplied to the LED device according to the change in temperature of the LED device.

Abstract: Driving a lighting device by a driving circuit for providing driving power for driving a lighting device, and by a decoupling unit for electrically decoupling the driving circuit from a lighting circuit. The driving power is transferred at least partially from the driving circuit to the lighting circuit, and the lighting device is arranged within the lighting circuit such that its anode is at ground potential of the driving circuit.

Abstract: An electrodeless plasma lamp comprising a lamp housing and a lamp body releasably received with the lamp housing. The lamp housing includes a first electrical connector operatively coupled a power source to provide radio frequency (RF) power. The lamp body includes a second electrical connector to releasably engage with the first electrical connector of the lamp housing. The lamp body includes a dielectric material having a relative permittivity greater than 2. RF power is coupled by the lamp body to a bulb containing a fill that forms a light emitting plasma. In an example embodiment, the plasma lamp includes a retaining arrangement releasably to retain the lamp body at least partially within the lamp housing.

Abstract: A light source device having a large cooling action on the base member of a discharge lamp. A connector on the sides of the power supply and the air blower and the base-side connector of a discharge lamp are connected to each other through a connection cable having a power cable in which an air blow pipe is contained. An electric power is supplied from the power supply to a base part through the power cable of the connection cable, the base-side connector and a flow passage bending member. The cool air from the air blower is supplied to the groove part of the base part through the air blow pipe of the connection cable, the base-side connector and an air blow passage in the flow passage-bending member.

Abstract: A light source device includes a light source that includes a plurality of light emitting units, a drive circuit that drives the light source, and a circuit board on which the light source is mounted in a first area and the drive circuit is mounted in a second area and which includes a radiation mechanism between the first area and the second area for heat from the drive circuit.

Abstract: The lighting device includes: a heat radiating part provided with a cavity that accommodates a part of a plurality of drive circuit components driving a light source module; and a base part provided with a cavity that accommodates another part (e.g., a transistor) of the drive circuit components. Then, the drive circuit components are accommodated in the cavity of the heat radiating part and the cavity of the base part.

Abstract: A method for lighting a flat fluorescent lamp for a large-sized backlight unit is disclosed, to prevent a discharge interference (scattering in fluorescent discharge) when lighting a plurality of groups of cylindrical electrodes being adjacent, in which an A.C. voltage is applied to one or two groups of cylindrical electrodes through introduction wires for lighting lamp in state of being not applied to adjacent one or two groups of cylindrical electrodes, so the plurality of groups of cylindrical electrodes are sequentially switched on and off in a time-division method at a speed not to generate the flicker of lamp.

Abstract: A load control device for controlling the amount of power delivered to an electrical load from a source of AC power comprises a controllably conductive device and a variable gate drive circuit. The controllably conductive device is coupled in series electrical connection between the source and the electrical load to control the amount of power delivered to the load. The variable drive circuit is thermally coupled to the controllably conductive device and provides a continuously variable impedance in series with the control input of the controllably conductive device. The impedance of the variable drive circuit is operable to decrease as a temperature of the controllably conductive device increases and vice versa. Preferably, the variable drive circuit comprises an NTC thermistor. Accordingly, the switching times of the controllably conductive device, i.e.

Abstract: An adaptive front lighting system (AFLS) having a high heat-dissipation efficiency increases heat-dissipation efficiency of a light emitting diode (LED) to improve durability in headlamps which use LEDs as a light source and have a variable illumination angle according to conditions. The AFLS includes a lamp housing, a reflector installed in the lamp housing and rotatable around a rotational axle formed at the lamp housing, a light source installed in the reflector to emit light, an external heat sink installed at an external surface of the lamp housing so as to dissipate heat towards outside of the lamp housing, and/or a heat conduction member connecting the light source and the external heat sink so as to transfer the heat of the light source to the external heat sink. The heat conduction member is flexibly transformed in response to a movement of the reflector and the light source.

Abstract: A system in package, high power, and highly efficient diode lamp is provided. The diode lamp includes a heat-conducting/heat-dissipating module, a LED light module, an optical module, and a control circuit module. The heat-conducting/heat-dissipating module includes a heat-conducting device and at least one heat-dissipating fin. The LED light module is disposed on a flat portion of the heat-conducting device. The optical module focuses the light emitted by the LED light module. The control circuit module is used to control the LED light module. When the diode lamp is electrically connected to a power supply, the control circuit module selectively controls the LED light module to emit the light. The heat generated during the operation of the LED light module is conducted from the flat portion of the heat-conducting device to the at least one heat-dissipating fin, and then it is dissipated by the at least one heat-dissipating fin.

Abstract: A standard illuminant apparatus suitable for providing a standard optical property of LED for measurement is provided. The standard illuminant apparatus comprises an illuminant module and light shape control module, wherein the illuminant module is capable of providing light, and the light shape control module is capable of receiving the light and transforming the light shape of the light to a predetermined light shape as a LED light shape.

Abstract: A multiparameter light typically includes a lamp and shutter in combination with one or more optical components, various electrical and mechanical components for operating the optical components, suitable electronics for controlling the parameters of the multiparameter light, and suitable power supplies for the lamp, motors, and electronics. Typically, the lamp is enclosed by the lamp housing, which also contains the other optical components and many of the electrical and mechanical components which operate them. As the lamp and the various components within the lamp housing generate a great deal of heat and as components within the multiparameter light can overheat as a result of various orientations and light makeup parameters, the temperature of components within the lamp housing is managed by controlling the amount of power furnished to the lamp or the amount of light transmitted through the shutter in accordance with the orientation of the multiparameter light and/or the light makeup parameter in use.