Abstract: The invention relates to a lighting device (10) adapted to fit into a corresponding socket (1). The lighting device (10) has a base or housing (12) that at least partially embeds an OLED (11) and an electronic circuit (13a, 13b) which affects the flow of electrical power from an external terminal (15a, 15b) to the OLED. The electronic circuit may comprise a memory module, a communication module, a sensor etc. for allowing an intelligent control of the OLED and for making the lighting device (10) adaptable to possible changes in driving standards.

Abstract: A novel aesthetic device is disclosed for providing of electrical power to external electronic devices. The aesthetic device is formed from an elongated band having a first end and a second end at opposites ends thereof and an engagement mechanism disposed proximate the second end of the elongated band for engaging of the elongated band proximate the first end. A plurality of rechargeable battery cells embedded within the elongated band for at least one of providing of electrical energy therefrom and for storing of electrical energy therein. A control circuit coupled with the plurality of rechargeable battery cells and a device connector coupled with the control circuit and the plurality of rechargeable battery cells for at least one of providing of electrical energy to an external electronic device for powering thereof and for receiving of electrical from an external electronic device for recharging of the plurality of rechargeable battery cells.

Abstract: Disclosed is a light bulb which utilizes LEDs which replaces an incandescent light bulb in a fixture for incandescent light bulbs. The LED light bulb includes a multi-faceted head on which multiple LEDs are placed, with the multi-faceted head being in contact with heat dissipation structures. The heat dissipation structures include a heat transfer column which extends from the LEDs to the base of the bulb. A removable cover is enclosed which has openings for air circulation within the globe of the light bulb.

Abstract: The present invention is directed generally to lighting devices, and more particularly to white light LED-based lighting devices configured such that key subassemblies may be replaced, thereby enabling the modification, upgrade and/or repair of said device.

Abstract: A luminaire includes an Edison type electrical base, an optic, and a heat sink disposed between the base and the optic. An LED driver circuit is disposed at least partially within the heat sink, and is disposed in electrical communication with the base. An LED assembly is disposed in thermal communication with a surface of the heat sink, and in electrical communication with the driver circuit, the LED assembly includes an LED. The driver circuit includes circuitry that converts an AC signal at the base to a DC signal and provides the DC signal to the LED assembly, the circuitry includes holding current circuitry that produces a holding current for an electrical dimmer disposed upstream of the base in response to a current to the LED assembly being reduced for light dimming purposes.

Abstract: The invention relates to a printed circuit board (60) having an insulating support layer (61) and a layer (62) of conductive material applied thereto. In order to increase the flexibility of the printed circuit board (60), it is proposed that material from the support layer (61) have been removed at least one point on the printed circuit board (60) on a side of the support layer (61) which is opposite the layer (62) of conductive material in order to form a straight groove (63) which extends from one side of the printed circuit board (60) to another side of the printed circuit board (60), so that the printed circuit board (60) can be bent along the groove (63), wherein the material of the support layer (61) which has remained in the region of the groove (63) and/or the layer (62) of conductive material in the region of the groove (63) form(s) a bending edge (64).

Abstract: A LED head sink module includes a LED module, which comprises a circuit substrate, a LED chip installed in the circuit substrate, a packing cup molded on the circuit substrate around the LED chip and a lens molded on the packing cup over the LED chip, a heat sink, which has a base and a flat mounting block located on the bottom side of the base for stopping against the circuit substrate of the LED module for absorbing waste heat, a bracket, which has a center opening that receives the circuit substrate of the LED module, first retaining members for fastening to a retaining portion at the periphery of the packing cup and second retaining members for fastening to the flat mounting block of the heat sink, and a water seal sandwiched between the LED module and the bracket to seal off outside moisture and dust.

Abstract: Provided is a lighting unit and a discharge lamp each of which is capable of causing a capacitor to break down by heat generated in a heat generating component, so that circuit operation is safely terminated without any additional cost. A compact self-ballasted fluorescent lamp is provided with a lighting unit (50) housed in a case. The lighting unit (50) causes an arc tube to emit light and is composed of a plurality of electronic components, including a rectifier/smoothing circuit portion, an inverter circuit portion having transistors (Q1 and Q2), a resonant circuit portion, and a preheating circuit portion having a positive temperature coefficient element. Among the plurality of electronic components, the transistors (Q1 and Q2) and the positive temperature coefficient element generate excessive heat when, for example, the lamp is operated at the end of electrode's life.

Abstract: A lamp device having first and second ends comprising a glass lens positioned on the first end of the lamp and a socket positioned on the second end of the lamp. The lamp is configured with a parabolic reflecting surface lining the interior side walls of a top portion of the lamp and an array of LEDs or other light emitting device positioned within that the top portion of the lamp. The array of LEDs or other light emitting device are operatively connected to the socket in order to receive power. The lamp may also be configured to facilitate movement of the glass lens closer to and further away from the array of LEDs or other light emitting device in order to shorten or lengthen the focal point of the light beam created by the array of LEDs or other light emitting device.

Abstract: An LED bulb uses an LED strip suspended between two lead frames of a stem as a light source to provide uniform illumination with wider angles. The lead frames of the stem provide an improved structural stability to the LED strip while maintaining a reliable electrical connection between the components of the stem and the LED strip. The utilization of both top-emitting and side-emitting LEDs on the LED strip further allows lights emitted in directions substantially parallel and perpendicular to the LED strip to cover a wide angle of illumination from the LED bulb.

Abstract: An organic EL device includes: a base body; pixels that are arranged in the base body and emit light beams having either of at least two different colors from among red, green and blue; an reflection layer that has optical reflectivity and arranged on the base body; an anti-reflection layer that is arranged on the reflection layer and has optical reflectivity lower than that of the reflection layer; an insulation layer that is arranged on the anti-reflection layer and has optical transmittance; a first electrode that is arranged in each pixel on the insulation layer and has optical transmittance; an organic functional layer that is arranged on the first electrode and includes at least a luminescent layer; a second electrode that is arranged on the organic functional layer and has optical reflectivity and optical transmittance; and an optical resonator that is formed between the reflection layer and the second electrode to resonate the light from the organic functional layer, wherein the optical resonator has

Abstract: Modular lamp system comprises a base unit comprising a power supply, and at least one pair of external electrical contacts arranged on said base unit and electrically connected with said power supply; and at least one light unit comprising at least one first pair of external electrical contacts, arranged on said light unit and arranged to mate with the at least one pair of electrical contacts of the base unit or another substantially identical unit, at least one second pair of external electrical contacts, arranged on said light unit and arranged to mate with the at least one first pair of electrical contacts of another substantially identical unit, and at least one LED lamp arranged on said light unit, said at least one first pair of external electrical contacts and said at least one second pair of external electrical contacts, and said lamp being electrically connected with each other.

Abstract: A LED package includes a LED die, and a memory device. The memory device is arranged for holding LED data information for driving the LED die. A LED driver arrangement includes a LED package as described above, a LED driver device and a microcontroller. The microcontroller is connected to the memory device for accessing the LED data information for driving the LED die and to the LED driver for sending an output flux settings signal. The LED driver device is connected to the LED die for providing a driving signal to the LED die, the driving signal being based on the output flux in package settings signal from the microcontroller.

Abstract: A lamp includes an outer shell having heat conductivity, a base provided in the outer shell, and a cover provided in the outer shell. The outer shell has a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support is formed integral with the heat radiating surface. A light source is supported on the light source support. The light source is heated during lighting, and thermally connected to the light source support. The light source is covered with the cover.

Abstract: It is an object of the present invention to provide a material having a high Tg and a wide energy gap. The present invention provides a spirofluorene derivative represented by General Formula 1. (In the formula, R1 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or a group represented by General Formula 2. Each of R2 and R3 is either hydrogen or an alkyl group having 1 to 4 carbon atoms and may be identical or different. R4 is an aryl group having 6 to 15 carbon atoms. Each of R5 and R6 is any one of hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 15 carbon atoms and may be identical or different.

Abstract: A lamp includes an outer shell having heat conductivity, a base provided in the outer shell, and a cover provided in the outer shell. The outer shell has a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support is formed integral with the heat radiating surface. A light source is supported on the light source support. The light source is heated during lighting, and thermally connected to the light source support. The light source is covered with the cover.

Abstract: A method of lighting a light source apparatus that has a discharge lamp, a reflection mirror for reflecting light emitted from the discharge lamp, a light emission optical system for irradiating a work piece with light, one or more laser oscillator for emitting a laser beam to the discharge lamp, and a discharge starting unit for starting discharge. The method includes removing deposits adhering to an inner face of the discharge lamp by irradiating a discharge vessel with the laser beam from the first laser oscillator, starting discharge in the discharge vessel by the discharge starting unit, and condensing the laser beam from a second laser oscillator, into the discharge vessel.

Abstract: An area lighting system is composed of a plurality of lighting elements that are responsive to the movement and progression of a user through the area. Each lighting element comprises at least one light, means for powering the lighting element, a processor, communication means and is associated with a motion sensor. Detection of a user is communicated to other lighting elements that provide an appropriate level of illumination depending on the distance from the user. The lighting elements are substantially self-configurable and may be set for either a radial proximity lighting protocol or a path network lighting protocol.

Abstract: An emissive device includes a substrate; a switching element disposed on a surface of the substrate; an insulating layer covering the switching element; a contact hole disposed in the insulating layer; a first electrode disposed on a surface of the insulating layer and electrically connected to the switching element via the contact hole in the insulating layer; a second electrode disposed at a side opposite the substrate with respect to the first electrode; a luminescent layer disposed between the first electrode and the second electrode; and a light shield disposed at a side from which light from the luminescent layer emerges and having a portion covering the contact hole when viewed in a direction perpendicular to the substrate.

Abstract: The invention provides a light-emitting diode illuminating equipment. The light-emitting diode illuminating equipment of the invention includes a heat-dissipating plate device, a plurality of heat-dissipating fins, a diode light-emitting apparatus, a plurality of heat-conducting devices, and a shield device. The heat-dissipating fins extend from a surface of the heat-dissipating plate device. By tightly mounting the heat-conducting devices on the surface of the heat-dissipating plate device and disposing between the heat-dissipating fins, heat generated during the operation of the diode light-emitting apparatus is distributed uniformly on the heat-dissipating plate device and the heat-dissipating fins due to the high efficiency heat-conducting of the heat-conducting devices, and then is dissipated. Besides, the shield device has a waterproof passage for a power cord passing through to power a control circuit, such that the light-emitting diode illuminating equipment is adapted to be installed outdoors.

Abstract: An illumination device (4) includes a light-emitting diode (light-emitting element) (9) and an LED substrate (light source substrate) (8) including a mounting surface (8a) on which the light-emitting diode (9) is mounted. A plurality of the light-emitting diodes (9) are mounted on the mounting surface (8a) of the LED substrate (8) and an LED driver (driving circuit element) (11) for driving the light-emitting diodes (9) is provided on the backside (8b) of the mounting surface (8a).

Abstract: An identification system for a light radiation source (103) having a control circuit (107) for communicating with an identification circuit (108) associated with the light radiation source, wherein the identification circuit is arranged for storing data relating to the light radiation source. During operation, the control circuit communicates with the identification circuit via a signal path comprising at least a portion of a first electric wire (112) provided for energizing the light radiation source such that it is used as a first transmitting antenna for communicating with the identification circuit. The operation of the light radiation source is controlled in dependence on the data retrieved from the identification circuit. Depending on the result of the identification, operation of the light radiation source can be authorized or prevented, thus blocking the use of an incorrect radiation source for a given application.

Abstract: A self-light emitting device and an electrical appliance including the same are provided, in which extracting efficiency of light from a light emitting element, especially in an EL element, can be improved. A light scattering body formed by etching a transparent film is provided on an insulator so that the extracting efficiency of light can be improved, and the self-light emitting device with high efficiency of light emission can be provided.

Abstract: The present invention relates to glow-switch starters 1, lighting devices therewith and use thereof. The glow-switch starter 1 is suitable for use with three phase supply voltages substantially higher than the common 230V supply voltage 26. This allows more efficient gas discharges in e.g. fluorescent lamps 20, and/or more lamp power, and/or less energy losses in ballasts 22 and lamp electrodes. To make the glow-switch starter suited for such use, according to the invention, the gas filling 5 of the starter 1 is adapted. An important criterion is that the glow current in the steady state operation of the fluorescent lamp that is started by the starter is small enough to prevent closing of the (bimetallic) switch.

Abstract: A lamp with a base (1) and at least one light emitting semiconductor component (2) is disclosed. The base has at least two external electrical connections (11, 12) and at least two electrical connection parts (13, 14). The electrical connection parts are provided for electrically connecting the light emitting semiconductor component and are respectively connected to one of the external electrical connections in an electrically conducting manner. The light emitting semiconductor component is mounted on a carrier (3) and is electrically connected to at least two electrical contacting elements (31, 32), which are arranged and/or fixed on the carrier. Each of the electrical contacting elements is directly adjacent to one of the electrical connection parts and connected to it in an electrically conducting manner.

Abstract: The invention provides a light-emitting diode illumination apparatus. The light-emitting diode illumination apparatus includes a tube, a chamber, a porous capillary diversion layer, at least one heat-dissipating fin, and a diode light-emitting module. The tube has a first opening. The chamber has a second opening and a flat end. The second opening is engaged to the first opening. The porous capillary diversion layer is formed in the tube and the chamber. The tube and the chamber form a sealed space. The sealed space accommodates a working fluid. A section area of the chamber is larger than a section area of the tube. The at least one heat-dissipating fin is disposed on a circumference of the tube. The diode light-emitting module is disposed on the flat end.

Abstract: A light emitting apparatus includes a plurality of light emitting devices including luminous bodies, and a plurality of resistors made of the same material having negative resistance-temperature characteristics, the plurality of resistors being connected respectively in series to the plurality of light emitting devices. When the plurality of resisters are at the same temperature, one or ones among the plurality of resistors, which exhibit higher temperatures during driving, have larger resistance values than other among the plurality of resistors, which exhibit lower temperatures during the driving.

Abstract: A vehicular lamp includes a lamp body; a plurality of LED light sources disposed inside a lamp chamber formed by a front cover positioned in front of the lamp body; and a lighting circuit portion positioned behind the LED light sources. The LED light source is electrically connected to a conductive bus bar, and forms a light-emitting surface at a position opposite the front cover. The lighting circuit portion is formed on the back side of the light-emitting surface of the LED light source with respect to the front cover, and a circuit element thereof is electrically connected to the conductive bus bar. The conductive bus bar to which the LED light source is connected and the conductive bus bar to which the circuit element is connected are conductively connected.

Abstract: A lamp device includes: a substrate; a light emitting element mounted on the substrate; a heat transfer body having a peripheral wall portion having one end expanding toward another one end, the substrate being attached to an inner surface of the one end of the heat transfer body; a plurality of heat radiation fins disposed at the another one end of the peripheral wall portion of the heat transfer body; a cover attached to the one end of the heat transfer body; a base mounted to one end of the cover; and a lighting circuit disposed inside the cover and adapted to trigger light emission of the light emitting element. A lighting apparatus is composed of a lighting apparatus housing, a socket disposed in the lighting apparatus housing, and a lamp device of the structure mentioned above.

Abstract: A circuit structure for a lamp set which includes a socket, a lamp assembly mounted onto the socket and an electrode portion. The lamp assembly surrounds a housing space inside to hold a power distribution dock connecting to the socket. The power distribution dock has a holding space to hold a power conversion element which is electrically connected to the electrode portion to receive external electric power and transform to starting power to drive the lamp assembly to generate light. The power distribution dock and the power conversion element are located in the housing space. Thus the total height of the socket is reduced and the lamp set can be shrunk to a smaller size.

Abstract: A flat panel display device that can achieve uniformity between pixel circuits and improved image quality includes: a first pixel including a first light emitting device and not including a pixel circuit; and a second pixel spaced apart from the first pixel and including a first circuit that is electrically connected to the first light emitting device. Active layers of thin film transistors in the pixel circuits are formed of polycrystalline silicon crystallized from an amorphous silicon and patterned from an area of the polycrystalline silicon in which lasers of an excimer laser annealing process did not overlap.

Abstract: A substrate is attached to one edge side of a radiator and a globe is attached covering the substrate. Heat-radiating fins are provided on the other edge side of the radiator and an air-cooling unit is rotatably provided inside the heat-radiating fins which enables to freely rotate. A case storing a circuit part is attached to the other edge side of the radiator and a cap is provided to the case. By the wind blast from the air-cooling unit, the heat-radiating fins are caused to be a part of the ventilation path to allow for ventilation of the inside of the radiator.

Abstract: An exemplary electron emission device includes an electron emitter, an anode opposite to and spaced apart from the electron emitter, a first power supply circuit, and a second power supply circuit. The first power supply circuit is configured for electrically connecting the electron emitter and the anode with a power supply to generate an electric field between the electron emitter and the anode. The second power supply circuit is configured for electrically connecting the electron emitter with a power supply to supply a heating current for heating the electron emitter whereby electrons emit therefrom. Methods for generating an emission current with a relatively higher stability also are provided.

Abstract: A backlight assembly includes a main circuit board having a light-generating part, a control circuit board which provides a control signal for controlling the light-generating part, and a sub-circuit board which is electrically connected to the control circuit board and receives the control signal, the sub-circuit board including a buffer which generates an amplified control signal in response to the control signal, and where the sub-circuit board is electrically connected to the main circuit board and provides the amplified control signal. The control circuit board and the main circuit board are electrically connected by the sub-circuit board, and the sub-circuit board amplifies the control signal received from the control circuit board and provides the control signal to the main circuit board.

Abstract: A drop-in light emitting diode (LED) module that can be used to increase the light output of a conventional flashlight includes a heat sink, a high power LED mounted on the heat sink, and an LED driver circuit. The driver circuit is designed to supply the LED with its maximum rated current so that its light output is brighter than the light output of conventional flashlights. The heat sink channels heat generated by the LED when receiving its maximum rated current into the body of the flashlight so the LED does not overheat and fail. The module is designed to be easily inserted into a conventional flashlight to increase its light output and removed when desired. The module can be used to create a modified flashlight by using the module with a conventional reflector that has been modified for use with the module.

Abstract: An illumination device comprising a housing fixture, a light source, and an active heat transfer device is provided. The housing fixture includes a base adapted to be receivable in a light fixture receptacle configured to receive a gas-discharge lamp. The light source emits light with a color rendering index higher than a respective color rendering index of at least a type of gas-discharge lamp. The active heat transfer device is physically coupled to the light source and mounted to the housing fixture. The active heat transfer device receives power from a power supply to remove thermal energy from the light source.

Abstract: A poly night light is made of an un-saturated polyester resin (UPR) compound to provide the night light with a certain degree of softness and cushioning to meet quality tests. The poly night light has a molded-in clip that allows the display unit to fit into a lamp holder's connector for solid installation. The lamp holder can be for an incandescent bulb, neon bulb, LED(s), organic electro-luminescent element(s), or other conventional lighting elements. The poly display unit may have a three-dimensional design, shape, curvature, and/or configuration for an eye-catching, valuable appearance and further may be painted by hand or spray paint to make it more elegant than any other currently-marketed night light.

Abstract: A display apparatus includes a display that displays individual images in a plurality of viewing directions on a common screen, a main body having a different chassis from that of the display, a display fan that cools down inside of the display, and a main body fan that cools down the inside of the main body.

Abstract: A display heat distribution system provides a display assembly. LEDs are mounted in the display assembly and illuminate the display assembly. Heat generation structures are mounted into the display assembly. In addition, heat distribution structures are mounted into the display assembly in a predetermined physically distributed heat management configuration. The heat generation structures and the heat distribution structures are physically located to maintain the LED temperatures at substantially uniform temperatures.

Abstract: A protective device for a vehicle electronic apparatus, which includes an inverter for converting a direct-current voltage into an alternating-current voltage for the vehicle electronic apparatus, detects a temperature of the inverter. Also, the protective device controls a power supply of the direct-current voltage to the inverter. The protective device stops the power supply to the inverter when the temperature of the inverter reaches a predetermined temperature.

Abstract: The present invention provides an LED lighting module with radiating and automatic power-off functions. The module includes a power supply element, an LED element and radiating member as well as a circuit linking them. The circuit linking the power supply element, LED element and radiating member is a serial loop, so that the power supply element, LED element and radiating member are combined into a single loop circuit. The LED elements will be automatically turned off if the radiating member is burnt to prevent the overheating problem of LED elements and to prolong the service life with improved applicability.

Abstract: A high-power LED lamp comprises a cuplike lamp housing, an LED device, an adapter and a circuit board. The inner surface of the cuplike lamp housing is a reflective curved surface for reflecting the light from the LED device disposed at the bottom the cuplike lamp housing, so as to improve the lighting efficiency. The position of the LED device has the relation: 0.05<HL/HT<0.35, where HT is the total depth of the cuplike lamp housing, HL is the distance between a surface of the LED device and the bottom of the cuplike lamp housing. The adapter is configured to secure the LED device, and the circuit board is configured to provide power source to the LED device. The LED device is a stack structure comprising an LED package device, a ring member, an electrode plate and an insulation glue layer.

Abstract: The present invention provides a light-emitting element light source comprising a system for sensing, and optionally managing, an operating temperature of the light source. In general, the light source comprises one or more light-emitting elements, which may be arranged in one or more groups, one or more arrays or one or more clusters thereof, operatively mounted to respective and/or common substrates. The one or more substrates each generally comprise circuitry operatively coupling the light-emitting element(s) mounted thereto to a light source driving mechanism configured to impart a drive current to the light-emitting element(s).

Abstract: The enclosed electronic ballast housing provides improved convection heat transfer for lowering the ambient housing temperature for keeping the junction temperature of power semiconductors inside the enclosed electronic ballast housing within certain specified temperature ranges for long-term reliable operation. The enclosed electronic ballast housing includes at least one folded fin on at least one of the enclosed electronic ballast housing surfaces, the folded fin may be manufactured from the same piece of material as the ballast housing for improved heat transfer. The folded fins are substantially parallel to their respective adjacent surfaces. Additionally, the enclosed electronic ballast housing includes separating portions of heat dissipating sections of ballast circuitry outside of the housing ballast.

Abstract: An assembly for heating a fluorescent lamp (such as the lamp used in a flat panel display) includes a circuit card having a plurality of transistors each configured to produce heat disposed thereon. A thermally-conductive layer is disposed proximate to the plurality of transistors, and the fluorescent lamp is disposed proximate the thermally-conductive layer such that the heat from the transistors is transmitted to the fluorescent lamp via the thermally-conductive layer. By controlling the heat applied to the fluorescent lamp, microclimates in the lamp can be reduced or eliminated, thereby improving the performance of the lamp.

Abstract: An LED light may comprise a light emitting diode selectively energizable for producing light; an electronic circuit for selectively energizing the light emitting diode; and a heat sink of a thermally conductive material, wherein the light emitting diode is thermally bonded to the heat sink; and wherein the electronic circuit is attached to the heat sink. The light may have a pair of contact springs extending from the heat sink and the electronic circuit may include thermal conductivity enhancing features.

Abstract: A composite ignition device includes a positive electrode having a tip formed thereon that is bonded to a first insulator to form a firing cone assembly. A second insulator having a negative capacitive element embedded therein is attached to the firing cone assembly. A positive capacitive element is disposed in the second insulator and is separated from the negative capacitive element by the second insulator. The positive capacitive element is coupled to the positive electrode. The positive and negative capacitive elements form a capacitor. A resistor is coupled to the positive capacitive element. An electrical connector is coupled to the resistor and attached to the second insulator. A shell includign a negative electrode having a tip is attached to the second insulator and the firing core assembly and coupled to the negative capacitive element. The negative electrode tip is spaced apart from the positive electrode tip.

Abstract: A lighting device for illuminating ice has a sheet of light-transmitting film located below an ice layer and coupled to a light source. The index of refraction of the light-transmitting film is greater than that of the adjoining ice or air so that the light within the film experiences substantial internal reflection. Light is emitted from the film (and the ice surface) at emission regions that disrupt internal reflection.

Abstract: A new heat sink apparatus and method that simplify the assembly of the heat sink and thermal stud. The new heat sink assembly uses a spring retainer that, in most cases, can use existing socket mounting screws. A spring clip (202) presses a thermal stud (204) against the back of an electrical device package (206). The present invention is especially useful for attaching a spatial light modulator to a printed circuit board (106) since it provides a simple, reliable heat sink without blocking the light path to and from the device. The preceding abstract is submitted with the understanding that it only will be used to assist in determining, from a cursory inspection, the nature and gist of the technical disclosure as described in 37 C.F.R. § 1.72(b). In no case should this abstract be used for interpreting the scope of any patent claims.

Abstract: A cooling device includes a printed circuit board having a hole, a light valve disposed on the front surface of the printed circuit board, and a thermal diffuser disposed on the back surface of the printed circuit board. Therefore, the thermal diffuser can contact the light valve through the whole, and directly receives heat from the light valve. Guided by partition wall and channels, a fan of the thermal diffuser sucks airflows into stream channels to fully exchange heat with diffuser fins for cooling the light valve, so that the cooling efficiency of the light valve can be increased. Then, the airflows blow and cool the printed circuit board to form an integrated cooling system.