Vehicle Discharge Lamp, Vehicle Discharge Lamp Device, Lighting Circuit Combined Type Vehicle Discharge Lamp Device, and Lighting Circuit

Provided is a mercury-free vehicle discharge lamp that is stably lighted with a power of 18 to 30 W in a steady time. The lamp is defined in a light-emitting portion ( 11 ). A discharge medium including a metal halogen compound and a rare gas are sealed into the lamp. The lamp also has a discharge space in which electrodes ( 32 ) are disposed and satisfies the following equation. −40≦(a−35)×5.5+(x−13.5)×10+(1.85−t)×100+(2.5−d)×100≦40 where, a power [W] supplied in a stable lighting time and having a value of 18 or more 30 or less x: pressure [atm] of the rare gas sealed into the discharge space t: thickness [mm] of the region where the radical thickness of the light-emitting portion becomes maximum d: inner diameter [mm] of the region where the radical thickness of the light-emitting portion becomes maximum

Xenon short arc lamp

A xenon short-arc lamp includes an arc tube containing a first electrode and a second electrode, sealing tubes on both edges of the arc tube and supporting tubes that are supported in the sealing tubes. Core rods of the first electrode and the second electrode are inserted through and supported by the supporting tubes. A high alternating voltage is applied at the start of the lighting. A trigger wire that is electrically connected to the first electrode is wound around an outer surface of the second electrode side sealing tube at an arc tube side position other than a location of the sealing tube that faces the metal foil. The trigger wire may be wound around an rising part of the arc tube.

Compact hid lamp with multiple protective envelopes

A High Intensity Discharge (HID) lamp ( 100 ) comprised of a discharge chamber ( 130 ) disposed within an anti-oxidation envelope ( 120 ) and protected by a shroud ( 110 ). The shroud encloses the anti-oxidation envelope and thereby the discharge chamber to prevent the emission of fragments in the event that the discharge chamber fails. The shroud is positioned around the anti-oxidation envelope by means of a compressed spring ( 170 ) at one end of the envelope tensioned against a collar ( 160 ) attaching the other end of the envelope to a base of the lamp.

Discharge lamp bulb

A discharge lamp bulb includes an arc tube having: a pair of electrodes that are opposed to each other inside a luminous tube; an outer tube having the luminous tube therein; a pair of lead wires connected to the electrodes; and a metal band mounted on an outer periphery of the outer tube, a support plug having: a plug body having a hollow, inner cylindrical section therein that opens at a front end; an arc-tube support portion mounted on a front-end edge of the inner cylindrical section; and a flange, and a lead support wire extending outside the outer tube in the longitudinal direction and connecting one of the lead wires with the support plug, wherein a front-end face of the inner cylindrical section is substantially flush with a front-end face of the flange or positioned on a back-end side with respect to the front-end face of the flange.

Discharge lamp, light source apparatus, exposure apparatus, and exposure apparatus manufacturing method

A light source apparatus is equipped with a discharge lamp, which has a glass tube that forms a light emitting part and a base member that is coupled thereto, and a mounting apparatus that holds the discharge lamp via the base member. Therein, the base member has a flange part that contacts positioning plate of the mounting apparatus, and a fixed part that is urged with a pressing force that presses the flange part to the positioning plate. Furthermore, the mounting apparatus has a fixing arm that urges the fixed part by a compression coil spring.

Compact fluorescent tube for cold spaces

The present invention relates to a compact fluorescent tube ( 1 ) designed for cold spaces, which compact fluorescent tube ( 1 ) comprises at least one fluorescent tube body ( 13 ) formed into a U-shape and comprising two fluorescent tube body legs ( 17 ), which latter have an interspace ( 19 ) between them and each comprise a base part ( 9 ), enclosing a cathode chamber ( 11 ), and a top part ( 15 ) facing away from the said base parts ( 9 ), which base parts are fixed to a socket part ( 3 ), comprising current feeder members ( 5 ) for electrical contact with the cathode chambers ( 11 ). An insulating member ( 21, 47, 55 ) is arranged on the top part ( 15 ) of the compact fluorescent tube and is configured with at least one insulating cavity ( 23, 49 ), which, during operation of the compact fluorescent tube ( 1 ), is heated by the self-produced heat of the compact fluorescent tube ( 1 ).

Self-cooling screw bulb-type electromagnetic induction lamp

A self-cooling screw bulb-type electromagnetic induction lamp comprises a bulb body, an inner tube, amalgam and a coupler, wherein the inner tube is arranged inside the bulb body, and the coupler is arranged inside the inner tube; besides, the lamp further comprises a screw-type lamp cap and a radiating piece, wherein the bulb body is connected on the screw-type lamp cap through the radiating piece, and the coupler is connected with the radiating piece. The disclosure effectively solves the problem that the installation of the electromagnetic induction lamp is incompatible with the conventional lighting fitting, while effectively improving the heat-radiating efficiency and the performances, thereby facilitating the promotion, popularization, application and development of the electromagnetic induction lamp.

Multi-emitter lighting apparatus

A lighting apparatus includes a housing, a light emitter located in an interior region of the housing, a driver for the emitter, and a heat sink coupled to the driver. The heat sink includes a plurality of fins for cooling the driver. The apparatus further includes a driver mounting portion having a mounting surface and a side wall. The side wall is coupled to one of the heat sink and the driver so that the plurality of fins of the heat sink are exposed. The mounting surface of the driver mounting portion is coupled to the housing.

HIGH-PRESSURE DISCHARGE LAMP WITH IGNITION AID

A high-pressure discharge lamp having an ignition aid is provided. The discharge lamp may include: a discharge vessel consisting of ceramic or quartz glass which is sealed at two ends and which is accommodated in an outer bulb which is likewise sealed at two ends, the discharge vessel having two ends in which electrodes are fastened, two power supply lines holding the discharge vessel in the outer bulb, a UV enhancer with a single electrode as ignition aid being accommodated in the outer bulb, wherein the UV enhancer is positioned in the vicinity of a second end of the discharge vessel, while a feed line is routed from the first power supply line along the discharge vessel and is connected to the UV enhancer, the feed line being capacitively coupled to the first power supply line, the UV enhancer being installed between the feed line and the second power supply line. 1. A high-pressure discharge lamp comprising an ignition aid , comprising:a discharge vessel consisting of ceramic or quartz glass which is sealed at two ends and which is accommodated in an outer bulb which is likewise sealed at two ends,the discharge vessel having two ends in which electrodes are fastened, two power supply lines holding the discharge vessel in the outer bulb, a UV enhancer with a single electrode as ignition aid being accommodated in the outer bulb,wherein the UV enhancer is positioned in the vicinity of a second end of the discharge vessel, while a feed line is routed from the first power supply line along the discharge vessel and is connected to the UV enhancer, the feed line being capacitively coupled to the first power supply line, the UV enhancer being installed between the feed line and the second power supply line.2. The high-pressure discharge lamp as claimed in claim 1 , wherein the single electrode of the UV enhancer is also capacitively coupled to the second power supply line.3. The high-pressure discharge lamp as claimed in claim 1 , wherein the capacitive coupling between ...

Electrodeless plasma lighting device, in particular microwave lamp

The invention relates to an electrodeless plasma lighting or illuminating device (microwave lighting device), comprising an illuminant member ( 2 ), which is excited by an rf-radiation for illumination and held by a shaft ( 3 ), and a supporting member ( 30 ) for supporting the shaft ( 3 ) together with the illuminant member, wherein the supporting member ( 30 ) is coupled with a rotary drive ( 20 ) for rotating the supporting member ( 30 ) together with the shaft ( 3 ) around a longitudinal axis thereof. According to the invention a plurality of supporting spots ( 37 ) or point-like supporting members ( 37 ) protrude from a surface, preferably an inner surface, of the supporting member ( 30 ) for supporting the shaft ( 3 ) in a punctual manner. Accordingly the surface contact between the hot shaft ( 3 ) and the supporting member is effectively reduced to thereby reduce the efforts required for cooling said shaft, in particular in the region of the supporting member.

High-Pressure Discharge Lamp

A high-pressure discharge lamp comprising a translucent discharge vessel which encloses a discharge space and has two sealed ends. Two electrodes extend from the sealed ends into the discharge space, and a fill is arranged in the discharge space for generating a gas discharge. Electrical feeds lead out of the sealed ends for supplying energy to the electrodes, with an electrically conductive layer acting as an ignition aid being arranged on the surface of the discharge vessel. The electrically conductive layer comprises at least a first layer section and a second layer section, the first layer section being arranged on a first sealed end of the discharge vessel and extends onto the surface of that region of the discharge vessel which encloses the discharge space. The second layer section is arranged on the second sealed end of the discharge vessel and extends onto the surface of that region of the discharge vessel which encloses the discharge space. The parts of the first and second layer sections which are arranged on the surface of that region of the discharge vessel which encloses the discharge space are arranged at a distance from one another, and the layer sections are DC-isolated. 1. A high-pressure discharge lamp comprising a translucent discharge vessel which encloses a discharge space and has two sealed ends , and comprising two electrodes extending from the sealed ends into the discharge space and a fill arranged in the discharge space for generating a gas discharge , also comprising electrical feeds led out of the sealed ends for supplying energy to the electrodes , an electrically conductive layer acting as an ignition aid being arranged on the surface of the discharge vessel ,wherein the electrically conductive layer comprises at least a first layer section and a second layer section, the first layer section being arranged on a first sealed end of the discharge vessel and extending onto the surface of that region of the discharge vessel which encloses ...

LIGHTING APPARATUS

A lighting apparatus includes an emitter having a plasma bulb and a driver which provides an RF signal to the emitter to drive the plasma bulb. The lighting apparatus may be used for various applications including illuminating plants and organisms in an aquatic environment, growing plants, facility lighting, and other applications. 1. A lighting apparatus comprising: a first housing having an interior region and a top surface formed to include an opening therein, and', 'an emitter including a body portion, a plasma bulb and an emitter heat sink on the body portion, the body portion of the emitter being coupled to the top surface of the first housing with the plasma bulb positioned adjacent the opening in communication with the interior region of the first housing and the emitter heat sink located outside of the interior region of the first housing;, 'an emitter unit including a second housing having an interior region,', 'a driver located in the interior region of the second housing, the driver generating a radio frequency (RF) signal, and', 'a driver heat sink located on the second housing outside of the interior region of the second housing;, 'a driver unit includinga coupler connecting the first housing to the second housing, the coupler securing the emitter unit in a fixed position spaced apart from the driver unit; anda cable coupled between the driver and the emitter so that the emitter generates light energy with the plasma bulb from the received RF signal from the driver.2. The lighting apparatus of claim 1 , wherein the first housing has a rectangular shape.3. The lighting apparatus of claim 1 , wherein the first housing provides a reflector for the plasma bulb of the emitter.4. The lighting apparatus of claim 3 , wherein the reflector has a rectangular shape.5. The lighting apparatus of claim 1 , further comprising a window coupled to the first housing and positioned below the plasma bulb claim 1 , wherein light produced by the plasma bulb passes through ...

LIGHT SOURCE LAMP LIGHTING DEVICE AND METHOD

A light source lamp lighting device includes a light source lamp, cooling means for cooling the light source lamp, an extinguishing time measurer that calculates extinguishing time information indicating an extinguishing period when the light source lamp was last switched off to a present time, a storage that stores lighting performance, which is a history of successes and failures of lighting the light source lamp, a plurality of cooling times corresponding to an extinguishing period when the light source lamp is switched off indicated by the extinguishing time information as a cooling time for causing the cooling means to operate, and a first threshold set with respect to the lighting performance, and a controller that reads out, in lighting the light source lamp, the lighting performance, the cooling time stored in the storage based on the extinguishing period when the light source lamp is switched off calculated by the extinguishing time measurer, and the first threshold and, when a number of successes of lighting indicated by the lighting performance exceeds the first threshold, subtracts a predetennined time from the read-out cooling time to calculate a cooling time value for causing the cooling means to operate. 17-. (canceled)8. A light source lamp lighting device comprising:a light source lamp;cooling means for cooling said light source lamp;an extinguishing time measurer that calculates extinguishing time information indicating an extinguishing period when said light source lamp was last switched off to a present time;a storage that stores lighting performance, which is a history of past successes and failures of lighting said light source lamp, a plurality of cooling times corresponding to an extinguishing period when the light source lamp is switched off indicated by the extinguishing time information as a cooling time for causing said cooling means to operate, and a first threshold set with respect to the lighting performance; anda controller that reads ...

HIGH-PRESSURE DISCHARGE LAMP HAVING A CAPACITIVE IGNITION AID

A high-pressure discharge lamp having an ignition aid may be provided, having a discharge vessel that is surrounded by gas, wherein the discharge vessel includes two ends having fusings in which electrodes are secured, wherein an ignition aid is fastened on at least one fusing, wherein the ignition aid has a local field amplifier in the form of a tip or a curved part, wherein the ignition aid is configured to cause a corona discharge in the surrounding gas which emits UV radiation into the discharge vessel. 1. A high-pressure discharge lamp having an ignition aid , having a discharge vessel that is surrounded by gas , wherein the discharge vessel comprises two ends having fusings in which electrodes are secured , wherein an ignition aid is fastened on at least one fusing , wherein the ignition aid has a local field amplifier in the form of a tip or a curved part , wherein the ignition aid is configured to cause a corona discharge in the surrounding gas which emits UV radiation into the discharge vessel.2. The high-pressure discharge lamp as claimed in claim 1 , wherein the gas is selected from the group of noble gases claim 1 , air claim 1 , nitrogen or mixtures thereof.3. The high-pressure discharge lamp as claimed in claim 1 , wherein the ignition aid is a clip which has a frame part with four sides and which is positioned on the fusing and surrounds this at least partially claim 1 , wherein at least one tip extends inwardly from the frame part and in the mounted state points in the direction of the discharge volume.4. The high-pressure discharge lamp as claimed in claim 3 , wherein at least one side of the frame part has a plurality of tips similar to the teeth of a comb.5. The high-pressure discharge lamp as claimed in claim 1 , wherein the ignition aid is a wire with a free tip claim 1 , wherein the free tip ends at the fusing outside at the height where the electrode enters the discharge volume.6. The high-pressure discharge lamp as claimed in claim 1 , ...

Method of cooling a lamp

The invention describes a method of cooling a lamp ( 1 ) in a projector ( 2, 2 ′) independently of an orientation (P desk , P ceiling ) of the projector ( 2, 2 ′), which method comprises directing a cooling airflow ( 4 ) symmetrically at a burner ( 10 ) of the lamp ( 1 ) during operation of the lamp ( 1 ); and controlling the cooling airflow ( 4 ) alternately between at least a first cooling level (C-I) and a second cooling level (C-II) such that, during cooling at the first cooling level (C-I), the temperature (T base ) in a base region of the burner ( 10 ) drops below a predefined minimum operating temperature (T min ) to allow a blackening of an inside wall ( 100 ) of the burner ( 10 ), and during cooling at the second cooling level (C-II), the temperature (T top ) in an upper region of the burner ( 10 ) increases above a predefined maximum operating temperature (T max ) and the temperature (T base ) in the base region of the burner ( 10 ) increases above the predefined minimum operating temperature (T min ) to facilitate a cleaning of the burner wall ( 100 ). The invention further describes a cooling module controller ( 31 ) for use in an orientation-independent cooling arrangement ( 30 ) of a projector ( 2, 2 ′); an orientation-independent cooling arrangement ( 30 ) for cooling a lamp ( 1 ) in a projector ( 2, 2 ′) independently of an orientation (P desk , P ceiling ) of the projector ( 2, 2 ′); and a projector ( 2, 2 ′).

FLUORESCENT LAMP ASSEMBLY WITH IMPROVED RUN-UP

A discharge lamp having an improved run-up time is disclosed. In an embodiment, the discharge lamp includes a light-transmissive discharge tube extending from a first end to a second end and having an inner surface and an outer surface, a phosphor coating layered onto the inner surface of the discharge tube, and a fill gas composition capable of sustaining a discharge sealed within the discharge tube. Also included is a resistive heating wire positioned about the outer surface of the discharge tube. In some embodiments, a lamp driver circuit is included that operates when the lamp is turned ON to provide power to electrodes in the discharge tube and to provide power to the resistive heating wire, and operates to disconnect power from the resistive heating wire when the discharge lamp achieves a predetermined percentage of its stabilized lumen output. 1. A discharge lamp comprising:a light-transmissive discharge tube extending from a first end to a second end and having an inner surface and an outer surface;a coating comprising at least a phosphor layered onto the inner surface of the discharge tube;a fill gas composition capable of sustaining a discharge sealed within the discharge tube; anda resistive heating wire positioned about the outer surface of the discharge tube.2. The discharge lamp of claim 1 , further comprising a lamp driver circuit operatively connected to first and second electrodes disposed within the discharge tube claim 1 , and operatively connected to the external resistive heating wire.3. The discharge lamp of claim 2 , wherein the lamp driver circuit comprises:a discharge driver connected to the first and second electrodes; anda heating element driver operatively connected to the external resistive heating wire.4. The discharge lamp of claim 3 , wherein the heating element driver includes a controller.5. The discharge lamp of claim 1 , wherein the external resistive heating wire comprises a pre-coiled wire arranged about the outside wall of the ...

LIGHT SOURCE DEVICE AND PROJECTOR

In one embodiment, a light source device comprises a container with a duct unit disposed above an arc tube and extends along the center axis of light reflected by a reflection surface such that cooling air can flow in a direction opposite to the traveling direction of light reflected by the reflection surface. The duct unit includes a first opening disposed at a position shifted toward the traveling direction side from an opening end of the first reflection mirror, a wall portion which forms the edge of the first opening on the side opposite to the traveling direction side as a final end of the duct unit, and an inclined portion disposed in the vicinity of the edge of the first opening on the traveling direction side to bend the flowing direction of the cooling air toward an upper surface opposite to the surface having the first opening. 1. A light source device comprising:an arc tube having a light emission portion and a first sealing portion extending from one end of the light emission portion;a first reflection mirror attached to the first sealing portion and having a substantially concave surface for reflecting a light emitted from the light emission portion; anda container which accommodates the arc tube and the first reflection mirror, the container has a duct unit disposed above the arc tube and extending along a center axis of light reflected by a reflection surface such that a cooling air can flow in a direction opposite to a traveling direction of the light reflected by the reflection surface, and', a first opening open to the arc tube and disposed at a position shifted toward a traveling direction side from an opening end of the first reflection mirror,', 'a wall portion which forms an edge of the first opening on a side opposite to the traveling direction side as a final end of the duct unit, and', 'an inclined portion disposed in the vicinity of the edge of the first opening on the traveling direction side to bend a flowing direction of the cooling air ...

LIGHT SOURCE DEVICE

[Object] To provide a light source device which allows the lighting starting properties of a high-pressure discharge lamp to be reliably improved without increasing the entire length of the light source device and exposing an auxiliary lamp to the outside. 1. A light-emitting device , comprising:a high-pressure discharge lamp having: a light-emitting portion having therein a pair of main electrodes opposed to each other; and sealing portions extending outward from the light-emitting portion;a bowl-shaped reflector having: an insertion hole which is formed in a bottom portion and in which one of the sealing portions and a current-carrying wire for an auxiliary lamp can be inserted; an inner space in which the high-pressure discharge lamp is accommodated with the one sealing portion inserted in the insertion hole; and a reflection surface which is formed on an inner surface of the reflector and which reflects light from the high-pressure discharge lamp;an auxiliary lamp having an ultraviolet ray emitting space in which ultraviolet rays are generated;{'b': '44', 'a current-carrying wire which is connected to an external lead rod protruding from the other sealing portion opposite to the sealing portion inserted in the insertion hole, which is inserted in the insertion hole , and which is wound around an outer surface of a discharge container of the auxiliary lamp to form an external electrode; and'}a base attached over an outer surface of the bottom portion of the reflector and having formed therein an accommodation space in which the auxiliary lamp is accommodated between the bottom portion and the base, whereina thickness of the bottom portion of the reflector in which the insertion hole is formed is set to be small such that an outer end portion of the sealing portion inserted in the insertion hole projects through the insertion hole into the accommodation space of the base, and such that the entire ultraviolet ray emitting space of the auxiliary lamp located along a ...

DISCHARGE LAMP WITH AN OUTER BULB SURROUNDED BY A WIRE MESH AS EXPLOSION PROTECTION

A bushing for a high-pressure discharge lamp, which is suitable for connecting an electrode in the interior of a ceramic discharge vessel to a supply lead in a gastight manner on the exterior of the discharge vessel, wherein the bushing is an electrically conductive ceramic composite consisting of a mixture of LaBand at least one second material from the group AlO, DyAlO, AlN, AlON and DyOis disclosed. 1. A high pressure discharge lamp comprising a discharge vessel sealed in vacuum-tight fashion , said discharge vessel defining a longitudinal axis , containing an ionizable filling and two electrodes and being enclosed by an outer bulb , wherein the outer bulb has a cylindrical central part , wherein at least the cylindrical central part is closely surrounded by a wire gauze as explosion protection , wherein the wire gauze is characterized by the wire diameter and the mesh length of the gauze , and wherein the ratio of mesh length to wire diameter is in the range of 25 to 60 , boundary values inclusive.2. The lamp as claimed in claim 1 , wherein in the region of the central part the ratio between the regular gauze area and the lamp power is between 10 and 35 watts claim 1 , boundary values inclusive.3. The lamp as claimed in claim 1 , wherein the ratio between the length of the cylindrical central part and the value is in the range of 3 to 12 claim 1 , boundary values inclusive.4. The lamp as claimed in claim 1 , wherein the ratio between the circumference of the cylindrical central part and the mesh width of the gauze is between 5 and 20 claim 1 , boundary values inclusive.5. The lamp as claimed in claim 1 , wherein the discharge vessel contains metal halides.6. The lamp as claimed in claim 1 , wherein the wire gauze has at least one end region in which the length of the meshes is reduced relative to the main region by at least 30%.7. The lamp as claimed in claim 1 , wherein the outer bulb is produced from quartz glass.8. The lamp as claimed in claim 1 , wherein the ...

CERAMIC DISCHARGE METAL HALIDE (CDM) LAMP AND METHOD OFMANUFACTURE THEREOF

A high-power ceramic discharge metal halide (CDM) lamp with a shroud-type containment assembly is disclosed. The lamp includes: a first shroud () with a first wall which forms a cylinder and which defines a first cavity; a second shroud () situated within the first cavity and which includes a second wall which forms a cylinder and which defines a second cavity situated within the first cavity of the first shroud; a first coil portion () is situated about at least the one or the first and second shrouds (respectively); a ceramic arc tube () is situated in the second cavity and includes first and second openings, first and second leads () with electrodes, and a lamp cavity () for containing a fill. 1. A ceramic discharge metal halide (CDM) lamp , comprising:a first shroud comprising a first wall forming a cylinder defining a first cavity;a second shroud situated within the first cavity and comprising a second wall forming a cylinder defining a second cavity situated within the first cavity of the first shroud;a first coil situated about at least one of the first and second shrouds; anda ceramic arc tube situated in the second cavity and having first and second openings, first and second leads, and defining a lamp cavity for containing a fill.2. The lamp of claim 1 , further comprising a second coil situated between the first and second shrouds claim 1 , wherein the first coil is situated about the first shroud.3. The lamp of claim 1 , further comprising a frame having first and second side members which extend on opposite sides of the first and second shrouds.4. The lamp of claim 4 , further comprising first and second shroud caps coupled to the side members of the frame and which locate the first and second shrouds relative to each other.5. The lamp of claim 1 , wherein the fill comprises a Penning mixture or a gas mixture of 99.5% Neon (Ne) and 0.5% Argon (Ar).6. The lamp of claim 5 , wherein the fill has a pressure less than or equal to 100 torr.7. The lamp of ...

LIGHT SOURCE DEVICE AND PROJECTOR

In one embodiment, a light source device comprises an arc tube having a first sealing portion extending from a light emission portion. A reflection mirror is attached to neighbor the first sealing portion and has a concave reflection surface. A container accommodates the arc tube and the reflection mirror. A branch portion has a first opening which branches a part of a cooling air flowing within the container to guide the cooling air to the arc tube. First and second duct portions are each connected to the branch portion. The first and second duct portions extend along a center axis of a light reflected by the reflection mirror such that the air flows in a direction opposite to a traveling direction of the light reflected by the reflection surface. A guiding member directs the air toward the first or second duct portion by moving by its own weight. 1. A light source device comprising:an arc tube having a light emission portion and a first sealing portion extending from an end of the light emission portion;a reflection mirror attached to neighbor the first sealing portion and having a substantially concave reflection surface for reflecting a light emitted from the light emission portion;a container which accommodates the arc tube and the reflection mirror;a branch portion having a first opening which branches a part of a cooling air flowing within the container to guide the part of the cooling air to the arc tube;a first duct portion and a second duct portion each connected to the branch portion, wherein the first duct portion and the second duct portion extend along a center axis of a light reflected by the reflection mirror such that the cooling air can flow in a direction opposite to a traveling direction of the light reflected by the reflection surface; anda guiding member which directs the cooling air toward the first duct portion or the second duct portion positioned above the arc tube by moving by its own weight.2. The light source device according to claim 1 ...

Igniter-less power supply for xenon lamps in an accelerated weathering test apparatus

A power supply for use in an accelerated weathering test apparatus can ignite the lamp without using a separate igniter and control both the xenon lamp radiated spectrum and its intensity in order to fully simulate the sun's daily cycle, improve the ultraviolet output, reduce the infrared radiation, and compensate for the xenon lamp aging.

Damping ring

A UV radiator unit includes an elongated gas discharge lamp with an essentially cylindrical UV transparent lamp body with sealed ends, which encloses a gas volume. The lamp body defines a longitudinal axis and has an outer diameter. A UV transparent sleeve tube with an inner diameter, which surrounds the lamp body and wherein the inner diameter is larger than the outer diameter of the lamp body. At least one damping ring is interposed between the lamp body and the sleeve tube. The damping ring includes a first side element, a second side element and at least one connecting portion. An axial distance is provided between the first side element and the second side element. The at least one connecting portion physically connects the first side element and the second side element.

HIGH-PRESSURE DISCHARGE LAMP HAVING AN IGNITION AID

A high-pressure discharge lamp having an ignition aid, may include a discharge vessel which is fitted in an outer bulb, wherein a UV enhancer is fitted as an ignition aid in the outer bulb, wherein the UV enhancer comprises a UV-transparent can-like container having an inner wall and end side and longitudinal axis, the container enclosing with its inner wall a cavity which is filled with a gas that can emit UV radiation, an inner vent electrode, which has at least one bend or kink, being fitted in the cavity in such a way that a bend or kink lie as close as possible to the inner wall of the container, and wherein an external electrode is applied externally in the vicinity of the container. 1. A high-pressure discharge lamp having an ignition aid , comprising a discharge vessel which is fitted in an outer bulb , wherein a UV enhancer is fitted as an ignition aid in the outer bulb , wherein the UV enhancer comprises a UV-transparent can-like container having an inner wall and end side and longitudinal axis , the container enclosing with its inner wall a cavity which is filled with a gas that can emit UV radiation , an inner vent electrode , which has at least one bend or kink , being fitted in the cavity in such a way that a bend or kink lie as close as possible to the inner wall of the container , and wherein an external electrode is applied externally in the vicinity of the container.2. The high-pressure discharge lamp as claimed in claim 1 , wherein the inner electrode is a foil-like electrode having a spring effect or a spirally wound wire.3. The high-pressure discharge lamp as claimed in claim 2 , wherein the foil-like electrode extends essentially parallel to the longitudinal axis in the cavity while having at least one lateral bend or kink towards the inner wall facing transversely with respect to the longitudinal axis.4. The high-pressure discharge lamp as claimed in claim 3 , wherein the length of the foil-like electrode exceeds the length of the cavity claim ...

APPARATUS AND METHODS FOR GENERATING ELECTROMAGNETIC RADIATION

An apparatus for generating electromagnetic radiation includes an envelope, a vortex generator configured to generate a vortexing flow of liquid along an inside surface of the envelope, first and second electrodes within the envelope configured to generate a plasma arc therebetween, and an insulative housing associated surrounding at least a portion of an electrical connection to one of the electrodes. The apparatus further includes a shielding system configured to block electromagnetic radiation emitted by the arc to prevent the electromagnetic radiation from striking all inner surfaces of the insulative housing. The apparatus further includes a cooling system configured to cool the shielding system. 1. An apparatus for generating electromagnetic radiation , the apparatus comprising:a) an envelope;b) a vortex generator configured to generate a vortexing flow of liquid along an inside surface of the envelope;c) first and second electrodes within the envelope configured to generate a plasma arc therebetween;d) an insulative housing surrounding at least a portion of an electrical connection to one of the electrodes;e) a shielding system configured to block electromagnetic radiation emitted by the arc to prevent the electromagnetic radiation from striking all inner surfaces of the insulative housing; andf) a cooling system configured to cool the shielding system.2. The apparatus of wherein the shielding system comprises an insulative shielding component having an opaque surface configured to block the electromagnetic radiation.3. The apparatus of wherein the insulative shielding component comprises a ceramic shielding component.4. The apparatus of wherein the cooling system comprises the vortex generator and wherein the vortex generator is configured to expose the opaque surface of the insulative shielding component to the vortexing flow of liquid.5. The apparatus of wherein the shielding system comprises an opaque portion of the envelope configured to block the ...

FLASH LIGHT SOURCE DEVICE

A flash light source device includes a flash lamp, a wring board, and a power feeding unit. The flash lamp includes a sealed container provided with a light transmission window on one end face and having a discharge gas enclosed therein, a cathode and an anode to induce arc discharge in the sealed container, and lead pins projecting from the other end face of the sealed container. The wiring board has a principal surface and a back surface. The lead pins of the flash lamp arranged opposite to the principal surface are bonded so as to be fixed in an electrically conductive manner to the wiring board. The power feeding unit implements charge and discharge of an electric current to be supplied to the flash lamp. The power feeding unit has chip capacitors surface-mounted on the wiring board. 1. A flash light source device comprising:a flash lamp including a sealed container having a substantially tubular shape with a central axis direction along a predetermined direction and having a discharge gas enclosed therein, a cathode and an anode arranged in juxtaposition in the sealed container to induce arc discharge, and first and second lead pins projecting from one end face of the sealed container in the predetermined direction and electrically connected to the cathode and to the anode, respectively;a wiring board having a principal surface and a back surface intersecting with the predetermined direction, and to which the first and second lead pins of the flash lamp arranged opposite to the principal surface are fixed in an electrically conductive manner; anda power feeding unit for charge and discharge of an electric current to be supplied to the flash lamp, whereinthe power feeding unit includes one or a plurality of chip capacitors surface-mounted on the wiring board.2. The flash light source device according to claim 1 , further comprising a heat radiator plate of metal thermally coupled to the sealed container claim 1 , whereinthe heat radiator plate is arranged ...

MERCURY DISCHARGE LAMP

A mercury discharge lamp includes: a discharge tube having encapsulated therein mercury in the form of an amalgam; and a temperature control member that controls an ambient temperature of the amalgam in such a manner as to compensate for a change in the ambient temperature of the amalgam. The temperature control member may include a bimetal supporting the amalgam at a predetermined position, and the support member is formed or constituted by a bimetal. By the bimetal deforming in response to a change in the ambient temperature of the amalgam, the temperature control member changes a spaced-apart distance of the amalgam to a filament within the discharge tube and thereby changes an influence of heat generation by the filament on the amalgam. The temperature control member may include, near the amalgam, a resistance element whose resistance value changes in response to a temperature to control heat generation thereby. 1. A mercury discharge lamp comprising:a discharge tube having encapsulated therein mercury in an amalgam form; anda temperature control member that controls an ambient temperature of the amalgam in such a manner as to compensate for a change in the ambient temperature of the amalgam.2. The mercury discharge lamp according to claim 1 , wherein the temperature control member includes a support member supporting the amalgam at a predetermined position claim 1 , the support member being constituted by a bimetal claim 1 , andwherein by the support member deforming in response to a change in the ambient temperature of the amalgam, the temperature control member changes a spaced-apart distance of the amalgam, supported by the support member, to a filament of the discharge tube and thereby changes an influence of heat generation by the filament on the amalgam.3. The mercury discharge lamp according to claim 2 , the support member is fixed at one end to a mounting base of the filament within the discharge tube and the amalgam is disposed on a free end portion of ...

Double-Ended High Intensity Discharge Lamp and Manufacturing Method Thereof

A double-ended high intensity discharge lamp includes a luminous tube and reflective layer covering at a reflective portion provided on at least a portion of the luminous tube for reflecting light emitted from an illuminator supported in the luminous tube towards the reflective portion to project towards another opposing side of the luminous tube. 1. A double-ended high intensity discharge lamp , comprising:a luminous tube;at least one illuminator supported inside said luminous tube;a plurality of electrical members securely fastened in said luminous tube, wherein said electrical members are connected to said at least one illuminator to supply power to operate said at least one illuminator, wherein said electrical member further comprises at least two terminals permanently fixed in two sealing ends of said luminous tube respectively, anda reflecting layer provided on at least a portion of said luminous tube for reflecting light emitted from said at least one illuminator towards said reflective layer to project the light in a predetermined angle.2. The double-ended high intensity discharge lamp claim 1 , as recited in claim 1 , further comprising at least two retainers disposed against an inner surface of said luminous to hold said illuminator in a center of said luminous tube.3. The double-ended high intensity discharge lamp claim 1 , as recited in claim 1 , wherein said reflecting layer covers one side of said luminous tube such that the light emitted from said illuminator towards said side is reflected by said reflecting layer to combine with the light emitted towards another opposing side of said luminous tube so as to project towards said another opposing side.4. The double-ended high intensity discharge lamp claim 2 , as recited in claim 2 , wherein said reflecting layer covers one side of said luminous tube such that the light emitted from said illuminator towards said side is reflected by said reflecting layer to combine with the light emitted towards another ...

GERMICIDAL AMALGAM LAMP WITH TEMPERATURE SENSOR FOR OPTIMIZED OPERATION

A germicidal UV amalgam lamp with an elongated tubular lamp body and at least two filaments located on opposite ends of the lamp body. The lamp body is hermetically sealed with a pinch-sealed portion at both opposite ends, confining a gas volume in which a gas discharge can be produced along a discharge path between the filaments. Each filament has two electrical connectors, each including an internal portion connected to the filament and pinch-sealed into the lamp body. Each connector also includes an external portion located outside the lamp body for electrical connection of the lamp to a controlled power supply. The pinch-sealed portion bears a socket with an electrical temperature sensor and at least two electrical connections mounted to the socket. The at least two electrical connections of the temperature sensor are connected in parallel to the electrical connectors of the filament. 117-. (canceled)18. A germicidal UV amalgam lamp comprising:an elongated tubular lamp body hermetically sealed at opposite ends with pinch-sealed portions, the body confining a gas volume, each pinch-sealed portion bearing a socket;at least two filaments located on the opposite ends of the lamp body within the gas volume and configured to produce a gas discharge along a discharge path between the filaments, each filament comprising two electrical connectors, each electrical connector including an internal portion connected to the filament and pinch-sealed into the lamp body, and an external portion located outside the lamp body and configured for electrical connection of the lamp to a controlled power supply; andan electrical temperature sensor mounted to each socket and having at least two electrical connections connected in parallel to the two electrical connectors of one or the filaments.19. The germicidal UV amalgam lamp of claim 18 , wherein the socket comprises a void and the temperature sensor is located inside the void.20. The germicidal UV amalgam lamp of claim 19 , ...

CAPACITOR

A device including a first electrical conductor, a second electrical conductor, dielectric material connecting the first and second conductors to each other, and an output or ground terminal section. The first electrical conductor has a first terminal section and a first plate section. The second electrical conductor includes a second terminal section and a second plate section. The second terminal section is connected to a first end of the second plate section. The second plate section includes a coil shaped section. The output terminal section is connected to an opposite second end of the second plate section. The dielectric material connects the first and second plate sections to each other. 1. An apparatus comprising:an electrical component having a plurality of electrical conductors; anda flash connected to the conductors, wherein the flash comprises a flash lamp and an electrical device, wherein the electrical device comprises a capacitor and an inductor with a common electrical conductor which forms a plate of the capacitor and a inductor conductor of the inductor.2. An apparatus as in wherein the common electrical conductor has a winding roll shaped section which forms the plate of the capacitor as a winding plate shape and forms the inductor conductor of the inductor as a coil shaped conductor.3. An apparatus as in wherein the capacitor comprises a ceramic capacitor.4. An apparatus as in wherein the electrical component comprises a flex cable claim 1 , and wherein the apparatus forms a flash subassembly configured to be assembled into another apparatus.5. An apparatus as in wherein the apparatus comprises a camera connected to the electrical component.6. An apparatus as in wherein the apparatus comprises a mobile telephone handset.7. An apparatus comprising:a switch mode power supply; andan electrical device connected to an input or an output of the switch mode power supply, wherein the electrical device comprises a capacitor and an inductor with a common ...

Processor-based induction rf fluorescent lamp

A processor controlled induction RF fluorescent lamp that is able to replace an ordinary incandescent lamp, both in its ability to screw into a standard incandescent light lamp socket and to have the general look and size of the ordinary incandescent light lamp, but with all of the advantages of an induction lamp, as described herein. The present disclosure describes the utilization of a control processor to facilitate an electronics packing density that enables the electronic ballast to be packed within the dimensions of an ordinary incandescent light lamp.

Dimmable high frequency induction rf fluorescent lamp

A dimmable high frequency induction RF fluorescent lamp, comprising a bulbous vitreous portion filled with a working gas mixture, a power coupler comprising at least one winding of an electrical conductor for receiving an alternating voltage, and an electronic ballast providing appropriate voltage and current to the power coupler and operating at a frequency greater than 5 MHz, wherein the electronic ballast comprises a dimming facility for dimming the lamp from an external dimming device.

High-intensity Discharge Lamp Assembly and Method

A lamp assembly including a housing defining an internal volume and a lamp positioned in the internal volume, the lamp including a first electrode and a second electrode, wherein the first electrode is both thermally and electrically coupled to the housing, and wherein the second electrode is thermally coupled to the housing by way of a thermally conductive, electrically insulative material and a heat transfer element. 1. A lamp assembly comprising:a housing defining an internal volume; anda lamp positioned in the internal volume, the lamp comprising a first electrode and a second electrode,wherein the first electrode is both thermally and electrically coupled to the housing, andwherein the second electrode is thermally coupled to the housing by way of a thermally conductive, electrically insulative material and a heat transfer element.2. The lamp assembly of wherein the housing is electrically grounded.3. The lamp assembly of wherein the housing is formed from a metallic material that is both thermally and electrically conductive.4. The lamp assembly of wherein the metallic material is one of aluminum claim 3 , aluminum alloy claim 3 , steel claim 3 , copper and copper alloy.5. The lamp assembly of wherein the lamp comprises one of a gas discharge lamp and a xenon arc lamp.6. The lamp assembly of further comprising a mounting structure connecting the lamp to the housing claim 1 , wherein the mounting structure thermally and electrically couples the first electrode to the housing.7. The lamp assembly of wherein the first electrode is a cathode and the second electrode is an anode.8. The lamp assembly of wherein the thermally conductive claim 1 , electrically insulative material comprises at least one of an epoxy claim 1 , an adhesive claim 1 , a curable paste claim 1 , a non-curable paste claim 1 , a curable resin claim 1 , a non-curable resin claim 1 , a gel claim 1 , an oil and a non-electrically conductive composite.918. The lamp assembly of wherein the thermally ...

Preheating circuit for electronic ballast

A filament preheat module for preheating a filament of a lamp powered by a power circuit including an inverter, the inverter comprising an inductively coupled conductor, an inductively coupled conductor of the filament preheat module magnetically coupled to the inductively coupled conductor of the inverter to power the filament during preheating, and a switching circuit configured to electrically connect the power from the inductively coupled conductor of the filament preheat module to the filament. The switching module is configured to cutoff the power to the filament from the filament preheat module after a predetermined time period during preheating.

Lamp device, exposure apparatus, and method of manufacturing article

The present invention provides a lamp device comprising: a glass tube configured to cover a discharge space in which a pair of electrodes are arranged so as to face each other; and a bayonet cap portion provided in an end portion of the glass tube and electrically connected to one electrode of the pair of electrodes, wherein the bayonet cap portion is formed to have a shape including a bottom surface and a peripheral surface, and includes, in the bottom surface, a first opening configured to supply a gas to an inside of the bayonet cap portion and a second opening configured to exhaust the gas from the inside of the bayonet cap portion.

LIGHT SOURCE, LIGHTING DEVICE AND METHOD OF LIGHTING THE SAME

A light source is composed of a discharge lamp, a resistor and a reflector container. The discharge lamp is provided as a source of light. The resistor increases a resistance in elevation of a temperature thereof, and reduces the resistance in lowering of the temperature thereof. The reflector container is a constituent element to which the discharge lamp and the resistor are attached. Additionally, the resistor is caused to heat an outer surface of the reflector container in accordance with elevation of a temperature of the discharge lamp in activation of lighting of the discharge lamp. 1. A light source comprising:a discharge lamp provided as a source of light;a resistor increasing a resistance in elevation of a temperature thereof, the resistor reducing the resistance in lowering of the temperature thereof; anda reflector container to which the discharge lamp and the resistor are attached, whereinthe resistor heats an outer surface of the reflector container in accordance with elevation of a temperature of the discharge lamp in activation of lighting of the discharge lamp.2. A light source comprising:a discharge lamp provided as a source of light;a resistor increasing a resistance in elevation of a temperature thereof, the resistor reducing the resistance in lowering of the temperature thereof; anda reflector container to which the discharge lamp and the resistor are attached, whereinthe resistor heats an outer surface of the reflector container in accordance with lowering of a temperature of the discharge lamp in deactivation of lighting of the discharge lamp.3. The light source according to claim 1 , wherein the discharge lamp mainly irradiates an ultraviolet light claim 1 , and the reflector container includes a reflective surface by which the ultraviolet light irradiated from the discharge lamp is reflected.4. The light source according to claim 1 , wherein the resistor is accommodated in the reflector container.5. A lighting device comprising:{'claim-ref': ...

HIGH-PRESSURE GAS DISCHARGE LAMP

A high-pressure gas discharge lamp unit 10 is described including a burner 14 with a discharge vessel 18. The burner 14 comprises electrical contact leads 22,24 and protrudes from and is fixed to a lamp cap housing 12, so that at least a first of the contact leads 22, 24 extends into the housing 12. A lamp operating circuit 50 is arranged within the housing 12, electrically connected to the electrical contact leads 22, 24. In order to allow a particularly compact lamp unit, the housing comprises a bottom plate 44 made out of a metal material to dissipate heat, which comprises an opening 68 into which a cap element 60 made out of an electrically insulating material is inserted to enclose a first electrical contact lead 22. 1. A high-pressure gas discharge lamp unit includinga burner with a discharge vessel, said burner comprising electrical contact leads,a lamp cap housing, where said burner protrudes from said housing and is fixed thereto, such that at least a first of said contact leads extends into said housing,where a lamp operating circuit is arranged within said housing electrically connected to said electrical contact leads,where said housing comprises a bottom plate made out of a metal material to dissipate heat,and where said bottom plate comprises an opening into which a cap element made out of an electrically insulating material is inserted to enclose said first contact lead.2. The lamp unit according to claim 1 , wheresaid cap element comprises a bottom and at least a first enclosing wall structure.3. the lamp unit according to one of the above claims claim 1 , wheresaid cap element comprises a first enclosing wall structure and a second enclosing wall structure arranged around said first enclosing wall structure.4. the lamp unit according to claim 3 , wheresaid second enclosing wall structure has a greater axial length than said first en-closing wall structure.5. The lamp unit according to claim 1 , wheresaid burner comprises an axially arranged burner ...

HIGH-PRESSURE DISCHARGE LAMP HAVING A STARTING AID

A high-pressure discharge lamp having a starting aid and having a discharge vessel is disclosed, wherein the discharge vessel has two ends with seals, in which electrodes and possibly power supply lines are fastened, wherein the starting aid includes a wire system consisting of a core wire and a wrapping wire applied thereto, wherein the wrapping wire is a flat-pressed or flattened wire. 1. A high-pressure discharge lamp having a starting aid and having a discharge vessel , wherein the discharge vessel has two ends with seals , in which electrodes and possibly power supply lines are fastened , wherein the starting aid comprises a wire system consisting of a core wire and a wrapping wire applied thereto , wherein the wrapping wire is a flat-pressed or flattened wire.2. The high-pressure discharge lamp as claimed in claim 1 , wherein the wire system of the starting aid is wound with one or more turns claim 1 , wherein at least one turn is wound onto at least one end of a discharge vessel.3. The high-pressure discharge lamp as claimed in claim 1 , wherein the discharge vessel is surrounded by an outer bulb claim 1 , wherein the starting aid is accommodated in the outer bulb claim 1 , and wherein the starting aid comprises an electrode and a power supply line.4. The high-pressure discharge lamp as claimed in claim 3 , wherein the outer bulb is filled with ionizable gas.5. The high-pressure discharge lamp as claimed in claim 1 , wherein the wire system of the starting aid is wound with at least one turn claim 1 , wherein at least one turn is wound onto at least one end of the discharge vessel claim 1 , wherein the discharge vessel is the only bulb of the lamp.6. The high-pressure discharge lamp as claimed in claim 1 , wherein the core wire is cylindrical with a given diameter.7. The high-pressure discharge lamp as claimed in claim 1 , wherein the wrapping wire is wound with a pitch s onto the core wire.8. The high-pressure discharge lamp as claimed in claim 7 , wherein ...

DOUBLE-CAPPED SHORT ARC FLASH LAMP

A double-capped short arc flash lamp includes an arc tube, a pair of main electrodes disposed in the arc tube, and a pair of auxiliary electrodes disposed in the arc tube. The flash lamp also includes inner leads and outer leads associated with the two auxiliary electrodes, respectively. The flash lamp also includes a first sealing tube and a second sealing tube provided at opposite ends of the arc tube. A sealing glass tube is partly received in the second sealing tube. Grooves are formed in the outer surface of the sealing glass tube in a region where the sealing glass tube overlaps the second sealing tube. The grooves extend in the axial direction of the sealing glass tube, and are configured to receive the inner leads and the outer leads. Metallic foils electrically connect the inner leads with the outer leads, respectively. 1. A double-capped short arc flash lamp comprising:an arc tube made of glass, and having a first end and a second end opposite the first end;a pair of first and second main electrodes disposed in the arc tube;a pair of first and second auxiliary electrodes disposed in the arc tube, the pair of auxiliary electrodes being used to trigger discharge;a first inner lead and a first outer lead associated with the first auxiliary electrode;a second inner lead and a second outer lead associated with the second auxiliary electrode;a first sealing tube provided at the first end of the arc tube;a second sealing tube provided at the second end of the arc tube;a first core wire extending from the first main electrode in the first sealing tube, and protruding out of the first sealing tube, the first core wire being sealed to the first sealing tube;a sealing glass tube partly received in the second sealing tube, the sealing glass tube being fused and joined to the second sealing tube, the sealing glass tube having an outer surface and an axial direction;a second core wire extending from the second main electrode in the sealing glass tube, and protruding out ...

METHOD AND CIRCUIT FOR LIGHTING HIGH-PRESSURE DISCHARGE LAMP

A method of lighting a high-pressure discharge lamp is configured to change a power to be supplied to the high-pressure discharge lamp in accordance with a luminance parameter of an image content. The method includes switching between a low temperature operation and a high temperature operation so as to maintain a condition that mercury encapsulated into an arc tube part of the high-pressure discharge lamp constantly partially deposits without evaporating. The low temperature operation is performed where the temperature in the arc tube part is less than or equal to the deposition temperature of the mercury, whereas the high temperature operation is performed where the temperature in the arc tube part is greater than the deposition temperature of the mercury. 1. A method of lighting a high-pressure discharge lamp being configured to change a power to be supplied to the high-pressure discharge lamp in accordance with a luminance parameter of an image content , comprising:switching between a low temperature operation and a high temperature operation on an as-needed basis regardless of the luminance parameter so as to maintain a condition that mercury encapsulated into an arc tube part of the high-pressure discharge lamp constantly partially deposits without evaporating, the low temperature operation being performed where a temperature in the arc tube part is less than or equal to a deposition temperature of the mercury, the high temperature operation being performed where the temperature in the arc tube part is higher than the deposition temperature of the mercury.2. The method according to claim 1 , wherein the switching between the low temperature operation and the high temperature operation is configured to be performed by switching the low temperature operation into the high temperature operation regardless of the luminance parameter when a ratio of an integral value of a product of a power value and an operating time in the high temperature operation to an ...

SYSTEMS AND METHODS FOR DETERMINING THE SUITABILITY OF RF SOURCES IN ULTRAVIOLET SYSTEMS

A UV system for irradiating a substrate includes a RF source capable of generating RF energy, a UV lamp capable of emitting UV energy when excited by the RF energy generated by the RF source, and a monitor coupled to the RF source. The monitor includes data relating to the RF source. The UV system further includes a controller capable of communication with the monitor, and the controller determines if the RF source is suitable for operation with the UV system based on the data of the monitor and/or the end of its useful life. 1. A UV system for irradiating a substrate , the system comprising:a RF source configured to generate RF energy;a UV lamp configured to emit UV energy when excited by the RF energy generated by said RF source;a monitor coupled to said RF source, said monitor configured to generate data relating to said RF source; anda controller configured to receive said data from said monitor, and determine whether said RF source is suitable for operation with said UV system based on said data.2. The system of claim 1 , wherein said data includes an identification code specific to said RF source claim 1 , and said controller is configured to determine whether said RF source is suitable for operation with said UV system by determining if said RF source is compatible with said UV system based on said identification code included in said data.3. The system of claim 2 , further comprising a connector coupling said monitor to said RF source such that said connector is not removable without damaging said connector and/or said monitor.4. The system of claim 3 , wherein said RF source is a magnetron which includes a cooling fin claim 3 , and said monitor is coupled to said fin by said connector.5. The system of claim 3 , wherein said RF source includes a frame claim 3 , and said monitor is coupled to said frame of said RF source by said connector.6. A UV system for irradiating a substrate claim 3 , the system comprising:a RF source configured to generate RF energy;a ...

LASER DEVICE

Disclosed is a lamp block comprising a lamp which is a glass tube having an internal final end and an external final end, wherein said internal final end ends with an electrode that fits directly into a connector placed on the machine into which said lamp is mounted and said external final end ends with an electrode to which a cable is connected, at least one portion of said cable being inserted in a key which is a hollow cylinder. Also disclosed is a laser apparatus suitable to house said lamp block and a method for extracting and housing said lamp block in said laser apparatus. In a preferred embodiment, said apparatus further comprise a system for electronic recognition. 1. A lamp block comprising a lamp which is a glass tube comprising an internal final end and an external final end , wherein said internal final end ends with an electrode that fits directly into a connector placed on a machine into which said lamp block is mounted and said external final end ends with an electrode to which a cable is connected , at least one portion of said cable being inserted in a key which is a hollow cylinder.2. The lamp block according to claim 1 , wherein said key comprises a proximal portion and a distal portion and comprises an external thread on said proximal portion and an external slotted surface on said distal portion.3. The lamp block according to claim 1 , further comprising a system of electronic recognition selected in the group comprising a memory chip claim 1 , a transponder RFID or a Bluetooth.4. The lamp block according to claim 3 , wherein said system of electronic recognition is a memory chip comprising a printed circuit board wherein on said distal portion of said key is positioned said printed circuit.5. A machine being a laser apparatus comprising a resonator claim 3 , an active material rod and at least one lamp claim 3 , said at least one lamp being a glass tube having an internal final end and an external final end claim 3 , said internal final end ...

LAMP WITH ELECTRICAL COMPONENTS EMBEDDED IN AN INSULATION COMPOUND

A lamp () is described comprising a burner () fixed to a lamp base (). The lamp base () includes a top wall oriented towards the burner (). Within the top wall, an opening () is provided. The lamp base () further comprises an insulation chamber () where an electrical component, e. g. a transformer (), is embedded within an insulation compound (). In order to prevent possibly spilled insulation compound from leaking through the opening (), a raised retention wall () is provided around the opening. 1. Lamp comprisinga burner fixed to a lamp base,where the lamp base comprises a housing element including a top wall element oriented towards said burner, where said top wall element comprises at least one opening,where said lamp base further comprises an insulation chamber, where an electrical component is embedded within an insulation compound,and where a raised retention wall is provided around said opening which raised retention wall extends from the top wall element into the housing element.2. Lamp according to claim 1 , wheresaid top wall comprises a plurality of openings,where each of said openings is provided with a surrounding retention wall.3. Lamp according to claim 1 , wheresaid housing comprises a holder element comprising side walls of said insulation chamber.4. Lamp according to claim 3 , wheresaid holder element further comprises said raised retention wall provided around said opening.5. Lamp according to claim 1 , wheresaid housing comprises a holder element made out of an electrically insulating material arranged within an outer metal housing.6. Lamp according claim 1 , wheresaid insulation compound is a silicone containing insulation compound.7. Lamp according claim 1 , wheresaid lamp base comprises an electronic operating circuit to supply electrical power to said burner.8. Lamp according to claim 7 , wherea metal shield element is provided within said lamp base to shield electrical components or contacts of said electronic operating circuit.9. Lamp ...

OPERATING A BALLAST FOR A GAS DISCHARGE LAMP

A gas discharge lamp includes at least two electrodes arranged in a manner spaced apart with a spacing in a discharge vessel filled with gas. A method of operating a ballast includes applying electrical energy to the electrodes. The ballast provides an electrical electrode current including a ripple current being dependent on an operating frequency of converter. Operating frequency is dependent on a charging time period and a discharging time period for an electrical energy store of the converter. The operating frequency is chosen such that the ripple current in the region of an arc discharge brings about a resonant excitation of the gas, and providing a pause time period between the discharging time periods and the respectively succeeding charging time period, the time duration of which pause time period is chosen such that a sum formed from the time periods attains the period duration corresponding to the operating frequency. 1. A method for operating a ballast for a gas discharge lamp ,the gas discharge lamp comprising:at least two electrodes arranged in a manner spaced apart with a predefined spacing in a transparent discharge vessel filled with a gas;the method comprising:applying electrical energy to the electrodes by means of the ballast in such a way that an arc discharge occurs between the electrodes, for which purpose the ballast provides a suitable electrical electrode current by a step-down converter of the ballast, said electrode current comprising a ripple current, wherein a ripple current frequency is dependent on an operating frequency of the step-down converter, wherein the operating frequency is dependent on a charging time period and a discharging time period for an electrical energy store of the step-down converter, wherein the operating frequency is chosen in such a way that the ripple current in a region of the arc discharge brings about a resonant excitation of the gas enclosed in the discharge vessel; andproviding an additional pause time ...

IMPROVED LAMP COLOR TEMPERATURE STABILITY IN AN AUTOMATED LUMINAIRE

Described is dynamic control of the temperature of the envelope of an HID lamp in order to stabilize the output color temperature of the lamp. As the lamp power is changed, or environmental factors alter the lamp envelope temperature, the system senses these changes and adjusts the lamp cooling systems so as to move the lamp envelope temperature back to the desired point. 1. An automated luminaire comprising:a light source that generates different color temperature light based on variance in its operating conditions;an enclosure for the light source with fan(s) which gate the flow of air into and out of the enclosure;temperature sensor(s) which monitor temperatures that effect the temperature inside the enclosure;controller that monitors power to the lamp as a function of time historically and prospectively based on a preprogrammed light show and operating temperature and controls airflow to maintain operating temperature given power applied to the lamp to optimize a constant lamp output color temperature as a function of time.2. An automated luminaire comprising:a light source that generates different color temperature light based on variance in its operating conditions;an enclosure for the light source with fan(s) which gate the flow of air into and out of the enclosure;temperature sensor(s) which monitor temperatures that effect the temperature inside the enclosure;controller that monitors power to the lamp and operating temperature and controls airflow to maintain operating temperature given power applied to the lamp so that the lamp output color temperature is maintained as constant.3. The luminaire of where the temperature in the enclosure is maintained as constant independent of power applied.4. The luminaire of where the target temperature in the enclosure depends on the driving power applied to the lamp.5. The luminaire of where the temperatures monitored includes the temperature in the enclosure claim 2 , and the input air temperature6. The luminaire of ...

LAMPS AND LIGHT SOURCES INCLUDING RFID TAGS, AND METHODS OF ASSEMBLING AND OPERATING THE SAME

A lamp is provided. The lamp includes a transparent envelope for emitting light, and an RFID tag coupled to a portion of the transparent envelope. 1. A lamp comprising:a transparent envelope for emitting light; andan RFID tag secured to a portion of the transparent envelope.2. The lamp of wherein the RFID tag is secured to an exterior portion of a nubbin of the lamp.3. The lamp of wherein the RFID tag is secured to the transparent envelope using an RFID tag housing coupled to a nubbin of the transparent envelope.4. The lamp of wherein the RFID tag is included within a nubbin of the transparent envelope.5. The lamp of wherein the RFID tag is secured to a nubbin of the transparent envelope using a sleeve engaged with the nubbin.6. The lamp of wherein the sleeve is a quartz sleeve.7. The lamp of wherein the sleeve is secured to the nubbin using an adhesive.8. The lamp of wherein the RFID tag is secured to a substantially planar portion of the sleeve.9. The lamp of wherein the RFID tag is secured to a nubbin of the transparent envelope claim 1 , and another RFID tag is secured to another nubbin of the transparent envelope.10. A light source comprising:(a) a lamp including (i) a transparent envelope for emitting light, and (ii) an RFID tag secured to a portion of the transparent envelope;(b) a radio frequency energy source for providing radio frequency energy to the lamp; and(c) an optical reflector for directing light from the lamp.11. The light source of wherein the RFID tag is secured to an exterior portion of a nubbin of the transparent envelope.12. The light source of wherein the RFID tag is secured to the transparent envelope using an RFID tag housing coupled to a nubbin of the transparent envelope.13. The light source of wherein the RFID tag is included within a nubbin of the transparent envelope.14. The light source of wherein the RFID tag is secured to a nubbin of the transparent envelope using a sleeve engaged with the nubbin.15. The light source of wherein the ...

METHOD OF CALIBRATING A SYSTEM COMPRISING A GAS-DISCHARGE LAMP AND A COOLING ARRANGEMENT

The invention describes a method of generating calibration data (ΔU, CP) for a system () comprising a gas-discharge lamp () and a cooling arrangement () for cooling the lamp (), which method comprises the steps of establishing a correlation (R) between a lamp operating parameter delta (ΔU) and a lamp cooling status parameter delta (ΔP, ΔB); and associating a cooling arrangement control parameter (CP, CP) with a lamp operating parameter delta (ΔU) on the basis of the established correlation (R). The invention also describes a method of calibrating a cooling arrangement () of a system () comprising a gas-discharge lamp () and a cooling arrangement () for cooling the lamp (). The invention also describes a method of controlling a cooling arrangement () in a system () comprising a high-pressure gas discharge lamp (). The invention further describes a system () comprising a high-pressure gas discharge lamp (); a cooling arrangement () for cooling the lamp (), which cooling arrangement () is calibrated using the calibration method according to the invention; and a cooling arrangement controller () for controlling the cooling arrangement () using the control method according to the invention. 1. A method of generating calibration data (ΔU , CP) for a system comprising a high-pressure gas-discharge lamp and a cooling arrangement for cooling the lamp , which method comprises the steps of{'sub': 'P-U', 'establishing a correlation (R) between a lamp operating parameter delta (ΔU) and a lamp cooling status parameter delta (ΔP, ΔB); and'}{'sub': X', 'P-U, 'associating a cooling arrangement control parameter (CP, CP) with a lamp operating parameter delta (ΔU) on the basis of the established correlation (R).'}2. A method according to claim 1 , comprising the step of establishing a relationship (R) between a lamp cooling status parameter (ΔP claim 1 , ΔB) and the lamp cooling status claim 1 , and wherein the step of associating a cooling arrangement control parameter (CP claim 1 , ...

SYSTEMS AND METHODS FOR EXTENDING A LIFESPAN OF AN EXCIMER LAMP

System and/or method generally relate to extending a lifespan of an excimer lamp. The system includes a ultra-violet (UV) light having a pair of dielectrics configured to separate electrodes. One of the electrodes includes a metal mesh. The system includes a power supply electrically coupled to the UV light and configured to deliver electrical power to the UV light. The system includes a temperature sensor operably coupled to the UV light. The temperature sensor is configured to generate a temperature signal indicative of a temperature of the UV light. The system includes at least one processor. The at least one processor is configured to determine a temperature of the UV light based on the temperature signal, and adjust the electrical power delivered to the UV light based on the temperature signal. 1. An excimer lamp system , comprising:a temperature sensor configured to generate a temperature signal indicative of a temperature of an ultra-violet (UV) light; andat least one processor configured to determine a temperature of the UV light based on the temperature signal, and adjust the electrical signal delivered to the UV light based on the temperature signal, which reduces electrical power received by the UV light.2. The system of claim 1 , wherein the at least one processor is configured to reduce the electrical power when the temperature signal is above 100 degrees Celsius.3. The system of claim 1 , further comprising a permanent magnet or an electromagnet having a magnetic field that is configured to be overlaid on the UV light.4. The system of claim 1 , wherein the at least one processor is configured to identify movement of a filament.5. The system of claim 1 , further comprising an electromagnet configured to generate a magnetic field claim 1 , wherein the at least one processor is further configured to activate the electromagnet based on the change of the temperature signal.6. The system of claim 1 , wherein the at least one processor is further configured ...

HIGH-PRESSURE DISCHARGE LAMP HAVING AN IGNITION AID

The invention relates to a high-pressure discharge lamp having an ignition aid and comprising a discharge vessel, which is accommodated in an outer bulb. The ignition aid is a UV enhancer having a can-like container (), which has an inner electrode (). At least part of the end-face edge of the inner electrode at least comes close to the end face () of the container (). An external electrode is attached to the outside of the container. 1. A high-pressure discharge lamp having an ignition aid , comprising a discharge vessel which is fitted in an outer bulb , wherein a UV enhancer is fitted as an ignition aid in the outer bulb , wherein the UV enhancer comprises a UV-transparent can-like container having an inner wall and end side and longitudinal axis , the container enclosing with its inner wall a cavity which is filled with a gas that can emit UV radiation , wherein an inner foil-like electrode , which has an end-side edge , is fitted in the cavity in such a way that at least part of the end-side edge at least lies close to the end side of the container , and wherein an external electrode is applied externally in the vicinity of the container.2. The high-pressure discharge lamp as claimed in claim 1 , wherein the foil-like electrode extends essentially parallel to the longitudinal axis in the cavity.3. The high-pressure discharge lamp as claimed in claim 1 , wherein the length of the electrode in the cavity relative to the axial length of the inner volume of the container is at least 0.9.4. The high-pressure discharge lamp as claimed in claim 1 , wherein the length of the foil exceeds the length of the cavity.5. The high-pressure discharge lamp as claimed in claim 4 , wherein the end side of the foil at least locally touches the end side of the container or is fixed at least locally in the end side of the container claim 4 , wherein the end side of the container is flattened or is concavely or convexly curved in the form of a dome.6. The high-pressure discharge lamp ...

Double-Ended Ceramic Metal Halide Lamp

A double-ended ceramic metal halide lamp includes a luminous tube; at least two illuminators serially connected with each other deposed inside the luminous tube; and at least one ring-shaped retainers arranged between two illuminators to support the illuminators located along a central line of the luminous tube. A manufacturing method for a ceramic metal halide lamp includes following steps: (1) Arrange at least two serially connected illuminators inside an interior of a luminous tube; (2) Seal two ends of the luminous tube by a press sealing technique; and (3) Extract out the gas inside the luminous tube to form an eyelet at a central portion of the luminous tube. 1. A double-ended ceramic metal halide lamp , comprising:a luminous tube having two sealed ends, wherein at least one of said sealed ends of said luminous tube is formed as a square tab for engaging with a socket of a lamp holder of an external fixture;at least two illuminators serially connected with each other deposed inside said luminous tube; andat least one retainer located between said two illuminators to support said illuminators along a central line of said luminous tube.2. The double-ended ceramic metal halide lamp claim 1 , as recited in claim 1 , further comprising a plurality of U-shaped connectors located at two opposed ends of said illuminators to provide electrical connections between each of the illuminators.3. The double-ended ceramic metal halide lamp claim 2 , as recited in claim 2 , wherein each of said illuminator is an arc-tube having a wall made by ceramic.4. The double-ended ceramic metal halide lamp claim 2 , as recited in claim 2 , wherein each of said illuminators has two opposed ends for receiving a current from said U-shaped conductors.5. The double-ended ceramic metal halide lamp claim 1 , as recited in claim 1 , wherein each of said illuminators is a 315 W ceramic metal halide lamp.6. The double-ended ceramic metal halide lamp claim 5 , as recited in claim 5 , wherein three ...

Double-Ended High Intensity Discharge Lamp and Manufacturing Method Thereof

A double-ended high intensity discharge lamp includes a luminous tube and reflective layer covering at a reflective portion provided on at least a portion of aid luminous tube for reflecting light emitted from an illuminator supported in the luminous tube towards the reflective portion to project towards another opposing side of the luminous tube. 1. A double-ended high intensity discharge lamp , comprising:a luminous tube;at least one illuminator supported inside said luminous tube;a plurality of electrical members securely fastened in said luminous tube, wherein said electrical members are connected to said illuminator to supply power to operate said illuminator, wherein said electrical member further comprises at least two terminals permanently fixed in two sealing ends of said luminous tube respectively; anda reflecting layer provided on at least a portion of said luminous tube for reflecting light emitted from said illuminator towards said reflective layer to project the light in a predetermined angle.2. The double-ended high intensity discharge lamp claim 1 , as recited in claim 1 , wherein said reflecting layer covers one side of said luminous tube such that the light emitted from said illuminator towards said side is reflected by said reflecting layer to combine with the light emitted towards another opposing side of said luminous tube so as to project towards said another opposing side.3. The double-ended high intensity discharge lamp claim 2 , as recited in claim 2 , wherein said luminous tube has a reflective portion on said side claim 2 , which has an arc-shape and a curvature provided with respect to said reflecting layer claim 2 , wherein said reflecting layer is attached on said inner surface of said reflective portion of said luminous tube.4. The double-ended high intensity discharge lamp claim 2 , as recited in claim 2 , wherein said luminous tube has a reflective portion on said side claim 2 , which has an arc-shape and a curvature provided with ...

Double-Ended High Intensity Discharge Lamp and Manufacturing Method Thereof

A double-ended high intensity discharge lamp includes a luminous tube which comprises an inner tube and an outer tube. At least one electrical member is securely fastened inside the luminous tube and at least one illuminator supported inside the luminous tube with a distributor connected with the electrical member to receive power and supply the illuminator. The outer tube is another protective shield to stop spreading in explosion of the illuminator. 1. A double-ended high intensity discharge lamp , comprising:a luminous tube which comprises an inner tube and an outer tube formed coaxially around and extended along a length of said inner tube;at least one illuminator supported inside said luminous tube, wherein said luminous tube forms a ventilated channel between said inner tube and said outer tube as a protective shielding adapted to stop spreading in explosion of said illuminator; anda plurality of electrical members securely fastened in said luminous tube, wherein said electrical members are connected to said illuminator to supply power to operate said illuminator, wherein each of said electrical members further comprises at least two terminals which are permanently fixed in two sealing ends of said luminous tube respectively.2. The double-ended high intensity discharge lamp claim 1 , as recited in claim 1 , wherein said outer tube covers said inner tube in an end-to-end manner and said ventilated channel is formed to communicate between said inner tube and said outer tube.3. The double-ended high intensity discharge lamp claim 1 , as recited in claim 1 , wherein said inner tube has an inner opening and said outer tube has an outer opening claim 1 , wherein said outer opening of said outer tube communicates with said inner opening of said outer tube through said ventilated channel.4. The double-ended high intensity discharge lamp claim 2 , as recited in claim 2 , wherein said inner tube has an inner opening and said outer tube has an outer opening claim 2 , ...

Laser Sustained Plasma Light Source with Graded Absorption Features

A laser-sustained plasma lamp includes a gas containment structure configured to contain a volume of gas. The gas containment structure is configured to receive pump illumination from a pump laser for generating a plasma within the volume of gas. The gas containment structure includes one or more transmissive structures being at least partially transparent to the pump illumination from the pump laser and at least a portion of the broadband radiation emitted by the plasma. The one or more transmissive structures have a graded absorption profile so as to control heating of the one or more transmissive structures caused by the broadband radiation emitted by the plasma. 1. A laser-sustained plasma lamp comprising:a gas containment structure configured to contain a volume of gas, the gas containment structure configured to receive pump illumination from a pump laser for generating a plasma within the volume of gas, wherein the plasma emits broadband radiation, the gas containment structure including one or more transmissive structures being at least partially transparent to at least a portion of the pump illumination from the pump laser and at least a portion of the broadband radiation emitted by the plasma, wherein the one or more transmissive structures have a graded absorption profile so as to control heating of the one or more transmissive structures caused by the broadband radiation emitted by the plasma.2. The plasma lamp of claim 1 , wherein the graded absorption profile corresponds to the intensity profile of the broadband radiation impinging on the one or more transmissive structures.3. The plasma lamp of claim 1 , wherein the graded absorption profile includes minimum absorptivity of at least a portion of the broadband radiation at a portion of the one or more transmissive structures receiving a maximum intensity of the broadband radiation.4. The plasma lamp of claim 1 , wherein the graded absorption profile includes maximum absorptivity of at least a portion ...

Restrike ignitor

An instant restrike igniter for use with a high-intensity discharge (HID) lamp and having a bleeder circuit including a resistor in parallel with a capacitor. The bleeder circuit in electrical communication with a voltage source. A transformer is in electrical communication with the bleeder circuit. The transformer includes a first winding that is in communication with and powers a lamp and a second winding. A triggering circuit is in electrical communication with the second winding of the transformer and the bleeder circuit. The triggering circuit has a minimum holding current of 50 mA and is configured to discharge the capacitor to generate high voltage pulses that are sent, via the transformer, to the lamp to reignite the lamp after a power interruption that extinguishes the lamp.

ELECTRIC LAMP AND MANUFACTURE METHOD THEREFOR

A high pressure gas discharge lamp () which comprises a ceramic discharge vessel () having a container wall () enclosing a discharge space () having a filling (). A first () and a second electrode () are mutually oppositely arranged in the discharge space and are mounted on a first () and a second feed-through () respectively, which extend in a gas-tightly sealed manner through the container wall (). A UV-enhancer () comprises a wall portion () and a chamber (), said chamber being enclosed by the wall portion () of the UV-enhancer () and an end part () of the container wall (). 1. A high pressure gas discharge lamp comprising:a ceramic discharge vessel having a container wall enclosing a discharge space having a filling;a first and a second electrode, mutually oppositely arranged in the discharge space and defining a longitudinal axis of the discharge vessel;a first and a second feedthrough, both extending in a gas-tightly sealed manner through the container wall and on which feedthroughs a respective electrode is mounted;a UV-enhancer comprising a wall portion and a chamber, said chamber being enclosed by the wall portion of the UV-enhancer and an end part of the container wall, whereinthe wall portion of the UV enhancer is shrink sintered onto the end part of the container wall.2. High pressure gas discharge lamp as claimed in claim 1 , wherein one of the feedthroughs forms an internal electrode of the UV-enhancer claim 1 , said internal electrode extending through the chamber and extending in a gas-tightly sealed manner through said wall portion.3. High pressure gas discharge lamp as claimed in claim 1 , wherein the UV-enhancer is tubular and concentric with the longitudinal axis extending through the UV-enhancer.4. High pressure gas discharge lamp as claimed in claim 1 , wherein at least one of the first and the second feedthrough comprises a first part sealed in the end part and a second part sealed in the wall portion claim 1 , the first part having an ...

ELECTRIC FENCE MONITOR INCLUDING A GAS DISCHARGE LAMP

An electric fence monitor is operable to provide an audible and/or visual indicator of an operating condition (i.e., falter no-fault) of an electric fence and electric fence box. The electric fence monitor is operable to remain continuously connected between the electric fence and earth ground during normal operation of the fence. The electric fence monitor includes a gas discharge lamp light source for providing the visual indicator of the operating condition of the electric fence and electric fence box. 1. An electric fence monitor operable to provide a visual indicator of an operating condition of an electric fence , wherein the electric fence is periodically energized by an electric fence charger , said electric fence monitor comprising:a light source configured to provide light in response to receiving power, wherein the light source comprises a gas discharge lamp comprising:a substantially transparent tube having a first end and a second end opposite the first end;a first electrode at the first end of the tube; anda second electrode at the second end of the tube, wherein the second electrode is configured to connect to an earth ground; anda wire coil wound about the tube of the gas discharge lamp from the first electrode toward the second electrode, wherein:the wire coil has a first end and a second end;the first end of the wire coil is configured to connect to the electric fence; anda length of the electric fence separates the fence charger from the first end of the wire coil.2. The electric fence monitor of claim 1 , wherein the second end of the wire coil is connected to the first electrode of the gas discharge lamp to receive power from the electric fence such that the electric fence monitor emits a flash of light when the electric fence charger energizes the electric fence and there is not a fault in the length of fence between the electric fence charger and the first end of the wire coil.3. The electric fence monitor of claim 1 , further comprising a ...

Transformer and Strobe Device

To prevent a transformer such as a trigger transformer from becoming unable to perform transformation as designed due to short circuits caused by leakage of an insulating wax or the like even when the temperature of the transformer becomes high, a sealed chamber is formed in an outer bobbin which accommodates a secondary winding by a sealing member and the sealed chamber is filled with an insulating wax. 1. A transformer comprising:a first bobbin which has an electrical insulation property and which has a tube shape having at least one open end;a primary winding provided around an outer circumference of the first bobbin;a core member and a secondary winding located in the first bobbin;a sealing member which closes the open end of the first bobbin such that a sealed chamber is formed in the first bobbin in which the core member and the secondary winding are located; andan electrical insulating material filled in the sealed chamber.2. The transformer according to claim 1 , wherein a conductive rod member serving as an electrode is fixed at an end of the core member claim 1 , wherein an end of the secondary winding is conductively connected with the rod member claim 1 , and wherein the rod member passes through the sealing member so as to be externally exposed.3. The transformer according to claim 1 , wherein a second bobbin is provided in the first bobbin claim 1 , wherein the second bobbin has an electrical insulation property and has a tube shape claim 1 , wherein the secondary winding is provided around an outer circumference of the second bobbin claim 1 , and wherein the core member is provided in the second bobbin.4. A strobe device in which the transformer according to any one of is used as a trigger transformer in as trigger circuit. The present invention relates a transformer and a strobe device, and more specifically to a trigger transformer to be used in a trigger circuit of a strobe device.A trigger transformer (transformer) to he used in a trigger circuit ...

Electrical gas-discharge lamp with discharge-coupled active antenna

The present invention relates to an electrical gas-discharge lamp comprising an inner bulb ( 1 ) arranged within an outer bulb ( 2 ), said inner bulb ( 1 ) being filled with a discharge gas and comprising a first electrode ( 3 ) and an opposing second electrode ( 4 ) having a distance from the first electrode ( 3 ) which allows ignition of a gas-discharge by applying an ignition voltage between the electrodes ( 3, 4 ). At least one through hole ( 11 ) is formed in the feedthrough to the electrically conductive lead ( 5 ) to the first electrode ( 3 ). An electrically conductive member ( 10 ) extents within a space formed between the inner ( 1 ) and the outer bulb ( 2 ) from a position close to the through hole ( 11 ) to a distance from the second electrode ( 4 ) which is smaller than the distance between the two electrodes ( 3,4 ). When applying the ignition voltage between the electrodes ( 3,4 ) an electrically conducting path ( 12 ) forms through the through hole ( 11 ) between the electrically conductive member ( 10 ) and the electrically conductive lead ( 5 ) by ionization of the gas in the outer bulb ( 2 ). With this transient conductive path the coating ( 10 ) forms an active antenna effectively lowering the ignition voltage. The fabrication of the proposed lamp with reduced ignition voltage requires only few additional fabrication steps compared to a lamp without such an ignition aid.

METHOD FOR OPERATING A XENON EXCIMER LAMP AND LAMP SYSTEM COMPRISING AN EXCIMER LAMP

Methods for operating a xenon excimer lamp, including an exit window made of quartz glass, are provided. The methods include the steps of: (a) operating the xenon excimer lamp at an irradiation intensity of more than 80 mW/cm; and (b) temperature-controlling the xenon excimer lamp to an operating temperature. According to aspects of the invention, methods for operating a xenon excimer lamp at an irradiation intensity of more than 80 mW/cmare provided that enable a long service life of the xenon excimer lamp. According to aspects of the invention, the temperature of the xenon excimer lamp is controlled to an operating temperature in the range of 181° C. to 199° C. 1. A method for operating a xenon excimer lamp , the xenon excimer lamp including an exit window made of quartz glass , the method comprising the steps of:{'sup': '2', '(a) operating the xenon excimer lamp at an irradiation intensity of more than 80 mW/cm; and'}(b) temperature-controlling the xenon excimer lamp to an operating temperature in the range of 181° C. to 199° C.2. The method of claim 1 , wherein the xenon excimer lamp is temperature-controlled to the operating temperature in a range of 195° C. to 199° C.3. The method of claim 1 , wherein the xenon excimer lamp is operated at an irradiation intensity in a range of 85 mW/cmto 125 mW/cm.4. The method of wherein claim 1 , for temperature-control of the xenon excimer lamp claim 1 , a temperature control unit is provided that determines an actual value of the operating temperature claim 1 , compares the actual value of the operating temperature to a nominal value of the operating temperature claim 1 , and issues a control signal to the temperature control unit in order to adjust a cooling/heating power of the temperature control unit.5. The method of wherein the temperature controlling of step (b) takes place by means of a fan.6. The method of wherein the xenon excimer lamp includes a lamp tube claim 1 , wherein the exit window limits a discharge space ...

METHOD AND APPARATUS FOR THE THERMAL TREATMENT OF A SUBSTRATE

In an apparatus for thermal treatment of substrates, a gas discharge lamp runs in a simmer mode in standby operation. A constant power supply may be connected to the gas discharge lamp via a first switch. At least one charged capacitor may be connected to the gas discharge lamp via a second switch. A thermal treatment of the end side of a substrate with a duration of between 20 milliseconds and 500 milliseconds is provided in a manner governed by light absorption. This time window is advantageous for thermal treatment of coatings having a thickness of 2 to 200 micrometers, wherein the temperature of the rear side of the substrate can remain below that of the end side. The temperature on the end side can be significantly increased by the gas discharge lamp being connected to the capacitor via the second switch at the end of the time window. 1. A method for thermal treatment of a substrate using at least one gas discharge lamp , wherein the at least one gas discharge lamp is operated for a first period of time having a duration of 20 ms to 5 seconds at a constant electrical power , and at the end of the first period of time the average electrical power of the gas discharge lamp is increased by at least one order of magnitude for a second period of time having a duration of 50 μs to 20 ms.2. The method as claimed in claim 1 , wherein the thermal treatment of the substrate in the first period of time remains restricted from 20 ms to 5 seconds.3. The method as claimed in claim 1 , wherein the substrate has a coating having a thickness of 2 to 200 μm.4. The method as claimed in claim 3 , wherein the coating comprises at least one sol-gel film claim 3 , a lacquer claim 3 , or of nanoparticles.5290. An apparatus for thermal treatment of a substrate using at least one gas discharge lamp claim 3 , which has a simmer operation in a standby mode claim 3 , wherein the gas discharge lamp is connected via a first electronic switch () to a first power supply of constant power for a ...

High-pressure gas discharge lamp

A high pressure gas discharge lamp comprising a discharge vessel, an outer envelope enclosing said discharge vessel with an interspace between the outer envelope and the discharge vessel. A UV-enhancer having a wall enclosing an electrode space with a filling gas and an internal electrode extending from the electrode space through the wall to the interspace. Said UV-enhancer is arranged in said interspace between the outer envelope and the discharge vessel, said wall of the UV-enhancer being made of ceramic material and contains said filling gas. The electrode is directly sealed into the wall.

DISCHARGE LAMP AND LIGHT SOURCE DEVICE

A discharge lamp includes a housing including a dielectric portion having a light transmission area formed of a dielectric material and transmitting light, and a main body portion forming a discharge-gas-filled space together with the dielectric portion, the discharge-gas-filled space being filled with a discharge gas; an electron emission source disposed in the discharge-gas-filled space to face the light transmission area; a discharge path limiting member separating the electron emission source and the light transmission area, in the discharge-gas-filled space, and including an electron passage hole that transmits electrons emitted from the electron emission source; and an external electrode disposed at an outer side of the housing to face the electron emission source across the dielectric portion, and including an opening that passes the light transmitted through the light transmission area. 1. A discharge lamp comprising:a housing including a dielectric portion having a light transmission area formed of a dielectric material and transmitting light, and a main body portion forming a discharge-gas-filled space together with the dielectric portion, the discharge-gas-filled space being filled with a discharge gas;an electron emission source disposed in the discharge-gas-filled space to face the light transmission area;a discharge path limiting member separating the electron emission source and the light transmission area, in the discharge-gas-filled space, and including an electron passage hole that transmits electrons emitted from the electron emission source; andan external electrode disposed at an outer side of the housing to face the electron emission source across the dielectric portion, and including an opening that passes the light transmitted through the light transmission area.2. The discharge lamp according to claim 1 ,wherein the external electrode is in contact with the dielectric portion.3. The discharge lamp according to claim 1 ,wherein the electron ...

ULTRAVIOLET STERILIZER

The present invention has as its object the provision of an ultraviolet sterilizer that can reduce ultraviolet light in a wavelength region of 230 to 300 nm, which is harmful to the human body, and can output effective light in a wavelength region of 200 to 230 nm with high emission intensity. 1. An ultraviolet sterilizer comprising:an ultraviolet light source;a lamp storage chamber for storing the ultraviolet light source; anda light guiding part for guiding light from the ultraviolet light source, whereina band pass filter for reducing ultraviolet light in a wavelength region harmful to a human body is provided at least one of a position between the light guiding part and the lamp storage chamber and a position of a light outputting leading end of the light guiding part, andan inner surface of the light guiding part is formed from an ultraviolet absorbing member that absorbs the ultraviolet light in the wavelength region harmful to the human body.2. The ultraviolet sterilizer according to claim 1 , wherein {'br': None, 'light intensity ratio [%]={(intensity in an ultraviolet range having a wavelength region of 230 to 300 nm harmful to the human body)/(intensity in an effective light range having a wavelength region of 200 to 230 nm)}×100.\u2003\u2003Formula (1), 'the band pass filter is a band pass filter that makes a light intensity ratio represented by the following Formula (1) not higher than 10%,'}3. The ultraviolet sterilizer according to claim 1 , whereineffective light in a wavelength region of 200 to 230 nm that has passed through the band pass filter is reflected by the ultraviolet absorbing member.4. The ultraviolet sterilizer according to claim 1 , whereinthe ultraviolet absorbing member is composed of glass.5. The ultraviolet sterilizer according to claim 1 , whereinthe ultraviolet light source is an excimer lamp having a center wavelength within a wavelength range of 190 to 260 nm.6. The ultraviolet sterilizer according to claim 1 , whereinthe light ...

DISCHARGE LAMP

A discharge lamp includes a discharge tube, a stabilizer housing provided in the inner space that is defined by the discharge tube, the stabilizer housing containing a stabilizer therein, a cover surrounding the discharge tube; a base connected to the stabilizer housing, and a heat insulating means. The heat insulating means prevents the heat of the discharge tube from being transferred to the stabilizer. 1. A discharge lamp comprising:a discharge tube;a stabilizer housing provided in an inner space that is defined by the discharge tube, the stabilizer housing containing a stabilizer therein;a cover surrounding the discharge tube;a base connected to the stabilizer housing; anda heat insulating means, wherein the heat insulating means prevents heat of the discharge tube from being transferred to the stabilizer.2. The discharge lamp of claim 1 , wherein the heat insulating means comprises a heat insulating housing claim 1 , wherein the heat insulating housing surrounds at least a part of the stabilizer housing claim 1 , such that at least one air gap is formed between the discharge tube and the stabilizer housing.3. The discharge lamp of claim 2 , wherein at least a part of the heat insulating housing and at least a part of the stabilizer housing are formed integrally.4. The discharge lamp of claim 3 , wherein the heat insulating housing comprises:a first heat insulating housing formed integrally with the stabilizer housing; anda second heat insulating housing connected to the first heat insulating housing.53. The discharge lamp of claim of claim 3 , wherein the stabilizer housing comprises:a first stabilizer housing connected to the base; anda second stabilizer housing connected to the first stabilizer housing.65. The discharge lamp of claim of claim 3 , wherein the heat insulating housing comprises:a first heat insulating housing formed integrally with the first stabilizer housing; anda second heat insulating housing connected to the first heat insulating housing.7. ...

Compact discharge lamp

Disclosed is a compact discharge lamp capable of preventing the heat from a discharge tube from damaging circuit elements of a stabilizer. The compact discharge lamp includes: the discharge tube having a structure that provides a stabilizer-accommodating space at the center thereof and including an electrode; a bulb base coupled to an end portion of the stabilizer housing; a stabilizer printed circuit board that is accommodated in the stabilizer housing and is provided with stabilizer circuit elements configured to initiate a discharge by being supplied with electric power from the bulb base and by supplying the electric power to the electrode; and a connection space-forming unit that provides a separate connection space near a circumferential surface of the stabilizer housing in order to electrically connect a stabilizer electric power line extending from the stabilizer printed circuit board with the electrode.

HIGH-WATTAGE CERAMIC METAL HALIDE LAMP

Aspects of the disclosure include a ceramic metal halide lamp in which two arc tubes are arranged electrically in series inside the same outer globe. By arranging the two arc tubes in such a way that light-emitting parts thereof do not overlap, decline in lifespan due to the heat of one arc tube causing the temperature of the other arc tube to increase and lighting failure due to an increase in lamp voltage do not occur. And by setting the distance from an electrode tip at a base side of the first arc tube to an electrode tip at a lamp-top side of the second arc tube to be equal to or less than 3.5 times the average inter-electrode distance of both arc tubes, a preferable distribution of light is implemented. 1. A ceramic metal halide lamp comprising:two arc tubes provided in a single outer globe, each of the arc tubes having a pair of electrodes therein, the two arc tubes being electrically connected in series and lighted simultaneously,wherein when the arc tubes disposed on a base side and a lamp top side are denoted by a first arc tube and a second arc tube, respectively, an end on the lamp top side of a light-emitting part of the first arc tube is disposed closer to a base along a lamp tube axis than an end on the base side of a light-emitting part of the second arc tube, anda distance along the lamp tube axis between an end of the electrode on the base side of the first arc tube and an end of the electrode on the lamp top side of the second arc tube is equal to or less than 3.5 times an average distance between electrodes of the first and second arc tubes.2. The ceramic metal halide lamp according to claim 1 , wherein the two arc tubes are arranged substantially parallel to the tube axis.3. The ceramic metal halide lamp according to claim 2 , wherein the first arc tube is disposed in a center of lamp light.4. The ceramic metal halide lamp according to claim 1 , wherein the first arc tube is disposed substantially parallel to the tube axis claim 1 , and the ...

LIGHTING DEVICE AND ILLUMINATING DEVICE

The lighting device of one aspect according to the present disclosure calculates, based on a voltage value of an AC voltage applied to a discharge lamp and a current value of AC current flowing through the discharge lamp, a first power value defined as a value of power supplied to the discharge lamp in a first half period of the AC voltage and a second power value defined as a value of power supplied to the discharge lamp in a second half period of the AC voltage. The lighting device determines that a ground fault has occurred, when an imbalance state in which a difference between the first power value and the second power value is equal to or greater than a threshold value continues for a predetermined time period. 1. A lighting device , comprising:a lighting circuit configured to apply an AC voltage to a discharge lamp;a voltage detector configured to measure a voltage value of the AC voltage;a current detector configured to measure a current value of AC current flowing through the discharge lamp; anda controller configured to control the lighting circuit,the controller being configured to calculate a first power value defined as a value of power supplied to the discharge lamp in a first half period of the AC voltage and a second power value defined as a value of power supplied to the discharge lamp in a second half period of the AC voltage, based on the voltage value measured by the voltage detector and the current value measured by the current detector, andthe controller being configured to, when an imbalance state in which a difference between the first power value and the second power value is equal to or greater than a threshold value continues for a predetermined time period, determine that a ground fault has occurred.2. The lighting device according to claim 1 , wherein a DC power supply configured to output a DC voltage; and', 'an inverter configured to convert the DC voltage into the AC voltage and apply the AC voltage to the discharge lamp., 'the ...

GAS DISCHARGE TUBE INCLUDING A STARTING AID

In various embodiments, a gas discharge tube having a starting aid may include a discharge vessel with at least one open end, in which end a stopper with a continuous stopper bore is inserted; and an electrical leadthrough, which is inserted into the respective stopper bore and is fuse-sealed into the stopper bore. The starting aid extends as far as into the stopper bore. 1. A gas discharge tube comprising a starting aid , comprising:a discharge vessel with at least one open end, in which end a stopper with a continuous stopper bore is inserted; andan electrical leadthrough, which is inserted into the respective stopper bore and is fuse-sealed into the stopper bore;wherein the starting aid extends as far as into the stopper bore.2. The gas discharge tube of claim 1 ,wherein the starting aid has at least one starting strip applied to the outside of the discharge vessel and, on one side, a connecting part of the starting aid is formed from the starting strip as far as into the stopper bore.3. The gas discharge tube of claim 1 ,wherein the starting aid has a first region, which runs in the form of a ring sector around the stopper bore on an outer end face of the stopper, which first region is adjoined by at least one second region located in the stopper bore.4. The gas discharge tube of claim 3 ,wherein the first region covers the full area of the outer end face of the stopper.5. The gas discharge tube of claim 1 ,wherein the starting aid extends in the form of a tube into the stopper bore.6. The gas discharge tube of claim 1 ,wherein the starting aid extends over the entire length of the stopper bore.7. The gas discharge tube of claim 1 ,wherein the starting aid extends over no more than 50% of a length of the stopper bore.8. The gas discharge tube of claim 7 ,wherein the starting aid extends over no more than 25% of a length of the stopper bore.9. The gas discharge tube of claim 8 ,wherein the starting aid extends over no more than 10% of a length of the stopper bore ...

LAMP SYSTEM HAVING A GAS-DISCHARGE LAMP AND OPERATING METHOD ADAPTED THEREFOR

A lamp system, and a method of operating the lamp system, are provided. The lamp system includes a gas discharge lamp, an electronic ballast and a control unit. A performance influencing control variable of the lamp system is used. The method allows operation with a high emission performance independent of the design thereof and of any potential changes caused by lamp aging and without any knowledge of the optimal operating temperature. According to the invention a light intensity control is provided, in which an actual value of a light intensity emitted by the gas discharge lamp is measured using a light sensor and the emitted light intensity is used as an actuating variable. 1. A method for operating a lamp system including a gas discharge lamp , an electronic ballast and a control unit for controlling a performance influencing control variable of the lamp system , the method comprising the step of: providing a light intensity control in which an actual value of a light intensity emitted by the gas discharge lamp is measured using a light sensor and the emitted light intensity is used as a control variable.2. The method of wherein the gas discharge lamp emits UV radiation.3. The method of wherein a target value for an actuating variable is determined using an extremum control claim 1 , at which target value the light intensity adopts a maximum (UV) or a predefined threshold value (UV).4. The method of wherein the extremum control is realized as a two-point control in which claim 3 , during a start phase claim 3 , the actuating variable is set to at least two initial values claim 3 , one of which causes a temperature increase claim 3 , and the other of which causes a temperature reduction of the gas discharge lamp claim 3 , wherein a maximum of the light intensity is reached and overstepped both as a result of the temperature increase and as a result of the temperature reduction claim 3 , and in that a value between the one and the other initial value is set as the ...

Semi-active antenna starting aid for hid arc tubes

A starting aid for discharge lamp arc tubes is characterized by an arc tube having a tubular body wall that longitudinally extends between first and second ends and surrounding an internal arc cavity with first and second electrodes that have conductive feedthroughs to electrically connect to corresponding first and second external arctube leads; an antenna conductor extending longitudinally on an outside surface of the arc tube wall between first and second antenna ends that are located radially outward of corresponding first and second electrodes; and an antenna coupling member comprising a conductive coupling connector that is electrically connected to the first arctube lead, and extends to a coupling end located on the body wall near to the first antenna end and separated from it by a coupling gap of predetermined, non-zero gap dimension.

Light Source Device and Projector

Alight source device including an arc tube having a light emission portion containing electrodes, a cooling channel having a downstream part branched into first and second channels to guide air toward the light emission portion via one of the channels, a rotational member disposed within the cooling channel and rotatable around a rotation shaft by gravity, and configured to switch cooling to the first or second channel depending on a position of the light source device, and a duct that forms apart of the cooling channel. The width of the rotational member decreases from a remote end toward the rotation shaft. The rotation shaft is disposed on one end of the rotational member corresponding to a side opposite a light emission side of the duct. The duct is shaped such that the cooling channel width decreases toward the side opposite the light emission side. 1. A light source device comprising:an arc tube that has a light emission portion containing a pair of electrodes;a cooling channel that has a downstream part branched into a first channel and a second channel, and configured to guide air toward the light emission portion via the first channel or the second channel;a rotational member disposed within the cooling channel in such a manner as to be rotatable around a rotation shaft by gravity, and configured to switch the cooling channel to the first channel when the light source device is set in a first position, and to switch the cooling channel to the second channel when the light source device is set in a second position different from the first position; anda duct that forms a part of the cooling channel; whereinthe rotational member is shaped such that the width of the rotational member in the direction parallel to the rotation shaft decreases in a direction from an end disposed away from the rotation shaft toward the rotation shaft,the rotation shaft is disposed on one end of the rotational member corresponding to a side opposite a light emission side of the ...

PLASMA ILLUMINATION DEVICE WITH MICROWAVE PUMP

The present disclosure describes a plasma illumination device with microwave pumping, comprising:

EXPOSURE APPARATUS AND ARTICLE MANUFACTURING METHOD

An exposure apparatus comprising a holding part for holding an electric discharge lamp, the electric discharge lamp includes an electric discharge tube which covers an electric discharge space in which a pair of electrodes are disposed to face each other, a socket provided on one end of the electric discharge tube, a metal member which guides one of the pair of electrodes into the socket, wherein an opening for ventilation is provided in a bottom of the socket, the holding part includes a ventilation pipe to form a path for ventilation through the opening in the bottom of the socket, and a cooling part for cooling the metal member by supplying a cooling medium to the metal member through the ventilation pipe. 1. An exposure apparatus comprising a holding part configured to hold an electric discharge lamp ,wherein the electric discharge lamp includes an electric discharge tube which covers an electric discharge space in which a pair of electrodes are disposed to face each other, a socket provided on at least one end portion side of the electric discharge tube, a metal member which guides at least one of the pair of electrodes into the socket, wherein an opening for ventilation is provided in a bottom surface of the socket on an end portion side,wherein the holding part includes a ventilation pipe having a protrusion-shape, and the ventilation pipe is configured to form a path for ventilation through the opening in the bottom surface of the socket and to be inserted into the socket in a state in which the holding part holds the electric discharge lamp, andwherein the exposure apparatus includesa cooling part which cools the metal member by supplying a cooling medium to the metal member in the socket through the ventilation pipe.2. The exposure apparatus according to claim 1 , wherein the ventilation pipe includes at least one of an air supply ventilation pipe and an air exhaust ventilation pipe.3. The exposure apparatus according to claim 1 , wherein the ventilation ...

Radiation Source, Metrology Apparatus, Lithographic System and Device Manufacturing Method

A radiation source apparatus comprising: a container comprising walls for defining a space for containing a gaseous medium in which plasma which emits plasma emitted radiation is generated following excitation of the gaseous medium by a driving radiation; and a thermal load applicator adapted to apply a thermal load to at least part of the walls of the container to reduce stresses in the walls. 1. A radiation source apparatus comprising:a container comprising walls configured to define a space that is configured to contain a gaseous medium in which plasma which emits plasma emitted radiation is generated following excitation of the gaseous medium by a driving radiation; anda thermal load applicator adapted to apply a thermal load to at least part of the walls of the container to reduce stresses in the walls.2. The radiation source apparatus of claim 1 , wherein the thermal load applicator is adapted to heat at least part of the walls of the container.3. The radiation source apparatus of claim 1 , wherein the thermal load applicator is a passive component.4. The radiation source apparatus of claim 1 , wherein the thermal load applicator comprises a reflector for reflecting part of the radiation emitted from the container back to the at least part of the walls of the container.5. The radiation source apparatus of claim 4 , wherein the reflector has a focus point nearer a lower wall of the container than an upper wall of the container.6. The radiation source apparatus of claim 4 , wherein the reflector is convex.7. The radiation source apparatus of claim 1 , wherein the thermal load applicator comprises a coating on the at least part of the walls of the container which absorbs plasma emitted radiation thereby to heat up the at least part of the walls.8. The radiation source apparatus of claim 1 , wherein the load applicator is an active component.9. The radiation source apparatus of claim 1 , wherein the thermal load applicator is a heater.10. The radiation source ...

Lighting Device

A lighting device includes: a casing having an inlet that introduces external air at one side and an outlet that discharges the introduced air through the inlet at the other side; a fan located within the casing to flow external air from an inlet direction to an outlet direction; an inlet cover that blocks at least an upper area of the inlet to prevent external air from being directly introduced into the inlet; and an air flow channel that communicates the inlet and the outside, wherein the air flow channel includes: two contracting flow channels having a reducing sectional area advancing in an advancing direction of air; and two expanding flow channels that communicate with the contracting flow channels and that have an increasing sectional area advancing in an advancing direction of air, wherein in a connection portion of the contracting flow channel and the expanding flow channel, the advancing direction of air is changed. 1. A lighting device , comprising:a casing having an inlet at one side for introduction of external air and an outlet at another side for discharge of the external air introduced through the inlet;a fan located within the casing to flow external air from the inlet to the outlet;an inlet cover that partially blocks an area of the inlet; andan air flow channel that communicates the inlet and the outside, first and second contracting flow channels having a reducing sectional area advancing in an advancing direction of air; and', 'first and second expanding flow channels that communicate with the contracting flow channels and that have an increasing sectional area advancing in an advancing direction of air,, 'wherein the air flow channel compriseswherein in a connection portion between the first contracting flow channel and the first expanding flow channel, the advancing direction of air is changed.2. The lighting device of claim 1 , wherein the inlet cover blocks a peripheral area of the casing that forms the inlet and a periphery of the inlet ...

LIGHT IRRADIATION DEVICE AND FLASH LAMP

To provide a light irradiation device using a plurality of flash lamps in which a structure that can emit high intensity light as a whole and enables a flash lamp to be used for a practical lifetime without increasing an input current to each lamp is adopted. 1. A light irradiation device comprising a plurality of flash lamps , each including a long light-emitting tube enclosed with light-emitting gas , a first electrode introducing part provided on one end side of the light-emitting tube , a second electrode introducing part provided on the other end side , and a first electrode and a second electrode provided in each electrode introducing part;wherein a light emission surface is provided at a distal end on the second electrode introducing part side of the light-emitting tube of the flash lamp, and the large number of flash lamps are adjacently provided in a standing manner on a top plate of the processing chamber so that the light emission surface faces an inside of the processing chamber.2. The light irradiation device according to claim 1 , whereinat least the second electrode introducing part of the flash lamp is disposed so as to intersect a longitudinal axis of the light-emitting tube; andthe light-emitting tubes of the adjacent flash lamps are arranged such that the longitudinal axes are inclined with respect to each other so that the interval on the first electrode introducing part side becomes wider than the interval on the light emission surface side.3. The light irradiation device according to claim 1 , wherein the flash lamp is arranged to irradiate a processing object in the processing chamber with light without any gap.4. The light irradiation device according to claim 2 , wherein the top plate of the processing chamber has a dome shape.5. The light irradiation device according to claim 2 , wherein the second electrode introducing part is disposed to be located between the light-emitting tubes of the adjacent flash lamps.6. The light irradiation ...

Lighting device and lighting device manufacturing method

A lighting device 1 has phosphors, a porous material ( 5 ), and emitters 4 . The emitters are interposed between the phosphors and surfaces ( 2 a ) to be irradiated with light of the lighting device. The porous material has heat conductivity and is impregnated with the phosphors.

COAXIAL CABLE-TYPE PLASMA LAMP DEVICE

The present invention relates to a coaxial cable-type plasma lamp device, which has, in a coaxial cable form, a conductor formed in a concentric line inside a discharge tube, has a transparent conductor formed outside the discharge tube, and enables light to be generated through a plasma discharge by emitting an electromagnetic wave into gas filling in the discharge tube. The coaxial cable-type plasma lamp device according to the present invention comprises: a discharge tube filled with discharge gas and in which a plasma discharge occurs through the discharge gas; an inner conductor formed by penetrating the discharge tube; an outer conductor formed by surrounding the discharge tube; a terminator for connecting, at a one-sided terminal of the discharge tube, the inner conductor and the outer conductor through a resistor; and an adaptor for fixing and supporting the inner conductor, the discharge tube, and the outer conductor on the other side of the discharge tube, and for separably connecting the inner conductor to an external coaxial cable. 1. A coaxial cable type plasma lamp device comprising:a bulb filled with a dischargeable gas to generate plasma discharge using the dischargeable gas;an inner conductor penetrating through the bulb;an outer conductor surrounding the bulb;a terminator for interconnecting the inner and outer conductors through a resistor at a side end of the bulb; andan adapter for fixing and supporting the inner conductor, the bulb, and the outer conductor, and detachably connecting the inner and outer conductors to an external coaxial cable, at another side end of the bulb.2. The coaxial cable type plasma lamp device according to claim 1 , wherein the inner conductor comprises a protective film for surrounding the inner conductor to protect the inner conductor from ion impact due to plasma discharge.3. The coaxial cable type plasma lamp device according to claim 1 , wherein the bulb is made of a transparent material claim 1 , a transparent ...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVING METHOD

A discharge lamp driving device according to one aspect of the invention includes a discharge lamp driving section configured to supply a driving current to a discharge lamp including electrodes and a control section configured to control the discharge lamp driving section. The control section controls the discharge lamp driving section such that a mixed period is provided in which a first period in which an alternating current having a first frequency is supplied to the discharge lamp and a second period in which a direct current is supplied to the discharge lamp are alternately repeated. The first frequency includes a plurality of frequencies different from one another. The control section temporally changes the length of the first period. 1. A discharge lamp driving device comprising:a discharge lamp driving section configured to supply a driving current to a discharge lamp including electrodes; anda control section configured to control the discharge lamp driving section, whereinthe control section controls the discharge lamp driving section such that a mixed period is provided in which a first period in which an alternating current having a first frequency is supplied to the discharge lamp and a second period in which a direct current is supplied to the discharge lamp are alternately repeated,the first frequency includes a plurality of frequencies different from one another, andthe control section temporally changes length of the first period.2. The discharge lamp driving device according to claim 1 , wherein the control section changes the length of the first period to repeat an increase and a decrease.3. The discharge lamp driving device according to claim 1 , whereinthe first period includes a plurality of AC periods in which frequencies of an alternating current supplied to the discharge lamp are different from one another, andthe control section changes each of lengths of the AC periods.4. The discharge lamp driving device according to claim 1 , further ...

Thermally Isolated High Intensity Light Source

Provided herein is a high intensity discharge light source having a thermally insulative and optically transparent sleeve for maintaining or enhancing a spectral performance parameter. The configuration of the sleeve provides an insulative volume that allows an elevated steady state operating temperature to be reached, even when the light source is cooled. The sleeve is also configured to withstand a bulb failure event, thereby protecting the surrounding environment from falling debris. Also provided herein are methods for dissipating heat from the light source without adversely affecting the bulb operating temperature or the enhanced spectral performance parameter. 1. A high intensity discharge light source comprising: a first end;', 'a second end;', 'a central region extending between said first end and said second end in a longitudinal direction; and', 'an outer surface extending between said first end and said second end;', 'a thermally insulative and optically transparent sleeve having an inner surface, said sleeve longitudinally aligned with and separated from said bulb outer surface by an insulating distance;', 'a first spacer positioned adjacent to said bulb first end and between said bulb outer surface and said sleeve inner surface;', said first spacer and said second spacer provides said insulating distance between said bulb outer surface and said sleeve inner surface, thereby forming an insulative volume around said bulb; and', 'during use said bulb and surrounding insulative volume reach an elevated steady state operating temperature to maintain or enhance a spectral performance parameter., 'a second spacer positioned adjacent to said bulb second end and between said bulb outer surface and said sleeve inner surface; wherein], 'a bulb having2. The high intensity discharge light source of claim 1 , wherein said spectral performance parameter is one or more of: an increase in photosynthetic photon flux density (PPFD); or a spectral shift.3. The high ...

METHOD, APPARATUS AND SYSTEM FOR PROVIDING VOLTAGE SUPPLY FOR PHOTOIONIZATION DETECTOR LAMP

Methods, apparatuses, and systems for providing an alternating current (AC) voltage supply for a photoionization detector lamp from a direct current (DC) voltage source are provided. An example apparatus may include a DC voltage to DC voltage (DC/DC) converter circuitry, and a feedback circuitry that is electronically coupled to the DC/DC converter circuitry and converts a reference AC voltage to a feedback DC voltage for the DC/DC converter circuitry. In some examples, the feedback circuitry may be electronically coupled to a DC voltage to AC voltage (DC/AC) converting circuitry to obtain the reference AC voltage. 1. An apparatus for providing a voltage supply for a photoionization detector lamp , the apparatus comprising:a DC voltage to DC voltage (DC/DC) converter circuitry comprising a DC/DC converter, wherein the DC/DC converter is electronically coupled to a direct current (DC) voltage source and converts an input DC voltage from the DC voltage source to a compensated DC voltage based at least in part on a feedback DC voltage; anda feedback circuitry electronically coupled to the DC/DC converter circuitry and a DC voltage to AC voltage (DC/AC) converting circuitry, wherein the feedback circuitry obtains a reference alternating current (AC) voltage associated with the DC/AC converting circuitry and converts the reference AC voltage to the feedback DC voltage for the DC/DC converter.2. The apparatus of claim 1 , wherein the DC/AC converting circuitry comprises an oscillating circuit and a transformer circuit electronically coupled to each other claim 1 , wherein the oscillating circuit is electronically coupled to the DC/DC converter claim 1 , wherein the transformer circuit is electronically coupled to the photoionization detector lamp.3. The apparatus of claim 2 , wherein the feedback circuitry comprises a reference voltage converting circuit and a reference voltage dividing circuit electronically coupled to each other claim 2 , wherein the reference voltage ...

高圧放電灯

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Verfahren zum betreiben einer amalgamlampe

Bei einem bekannten Verfahren zum Betreiben einer Amalgamlampe mit einer Nominal-Leistung P optimum ist vorgesehen, dass zwischen Elektroden eine auf ein Maximum an UVC-Emission ausgelegte Lampenspannung U optimum anliegt oder ein auf ein Maximum an UVC-Emission ausgelegter Lampenstrom l optimum fließt, wobei der Entladungsraum für ein Amalgamdepot zugänglich ist, welches mittels eines Heizelements beheizbar ist, indem durch das Heizelement ein Heizstrom W geleitet wird. Um hiervon ausgehend, eine Betriebsweise anzugeben, die einen stabilen Betrieb im Bereich des Leistungsoptimums gewährleistet, wird erfindungsgemäß vorgeschlagen, dass ein Sollwert des Lampenstroms 1 soll eingestellt wird, der niedriger ist als l optimum und dass der Heizstrom Ι Ηeiz bei Unterschreiten eines unteren Grenzwertes I1 für den Lampenstrom eingeschaltet oder erhöht und bei Überschreiten eines oberen Grenzwertes I2 für den Lampenstrom abgeschaltet oder verringert wird.

LIGHT IRRADIATION DEVICE

A light irradiation device according to an embodiment includes an excimer lamp including a light emitting tube emitting light, a first electrode disposed at an outer side of the light emitting tube, a second electrode disposed at an outer side of the light emitting tube in correspondence to the first electrode, and an auxiliary light emitting body disposed between the first electrode and the second electrode to emit light toward the light emitting tube when a voltage is applied to the first and second electrodes, and a case in which the excimer is provided and which has a contact point adjustment part configured to accommodate a portion of the auxiliary light emitting body.

METHOD OF FABRICATING A HIGH-PRESSURE LASER-SUSTAINED-PLASMA LAMP

A method of forming a high-pressure plasma lamp includes providing a lamp bulb. The lamp bulb includes a top channel and a bottom channel. The method includes inserting a top electrode element into the top channel of the lamp bulb. The method includes providing a glass tubular structure attached to a bottom electrode element. The method includes filling the lamp bulb with a liquified gas through the bottom channel of the lamp bulb. The method includes inserting the bottom electrode element and the glass tubular structure into the bottom channel. 1. A method of forming a high-pressure plasma lamp comprising:providing a lamp bulb, the lamp bulb including a top channel and a bottom channel;inserting a top electrode element into the top channel of the lamp bulb;providing a glass tubular structure attached to a bottom electrode element;filling the lamp bulb with a liquified gas through the bottom channel of the lamp bulb; andinserting the bottom electrode element and the glass tubular structure into the bottom channel.2. The method of claim 1 , further comprising:heating the bottom channel to form a seal between an inner wall of the bottom channel and the outer wall of the glass tubular structure.3. The method of claim 1 , wherein the glass tubular structure is formed from the same material as the lamp bulb.4. The method of claim 3 , wherein the glass tubular structure and the lamp bulb are formed from a fused silica glass material.5. The method of claim 1 , wherein the liquified gas comprises at least one Xe claim 1 , Ar claim 1 , Ne claim 1 , Kr claim 1 , He N claim 1 , HO claim 1 , O claim 1 , H claim 1 , D claim 1 , F claim 1 , SF claim 1 , or a mixture of two or more Xe claim 1 , Ar claim 1 , Ne claim 1 , Kr claim 1 , He claim 1 , N claim 1 , HO claim 1 , O claim 1 , H claim 1 , D claim 1 , F claim 1 , or SF.6. The method of claim 1 , wherein the top electrode element comprises an anode and the bottom electrode element comprises a cathode.7. The method of claim 6 , ...

二重管形ランプ

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

放电灯、连接用线缆、光源装置及曝光装置

本发明提供一种对放电灯的灯头构件的冷却作用大的光源装置。将电源(32)及送风装置(34)侧的连接器(41)与放电灯(1)的灯头侧连接器(52)利用在电力线缆(33A)内收纳送风用配管(35A)的连结线缆(57)连结。将来自电源(32)的电力经由连结线缆(57)的电力线缆(33A)、灯头侧连接器(52)以及流路折曲构件(51)向灯头部(28)供应，将来自送风装置(28)的冷风经由连结线缆(57)的送风用配管(35A)、灯头侧连接器(52)及流路折曲构件(51)内的送风路向灯头部(28)的槽部(28b)供应。

始動装置内蔵高圧放電灯

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Compacts single-ended fluorescent lamp with full vapor pressure control

내용 없음. No content.

Dielectric barrier discharge lamp with starting aid

유전체 배리어 방전 램프의 점등을 개선시키기 위해, 램프의 배기 튜브(5) 내부의 보조 방전을 점화시키는 수단을 제공하는 것이 제안된다. In order to improve the lighting of the dielectric barrier discharge lamp, it is proposed to provide a means for igniting an auxiliary discharge inside the exhaust tube 5 of the lamp.

Discharge lamp, cable for connection, light source device, and exposure device

방전램프의 페럴(ferrule)부재에 대한 냉각작용이 큰 광원장치이다. 방전용 전극을 수납한 유리관(25)과, 유리관(25)에 연결된 페럴부(28)를 가지는 방전램프와, 연결케이블(72)을 구비하여 연결케이블(72)의 링모양부재(74A)가 방전램프의 페럴부(28)에 부착됨과 동시에, 링모양부재(74A)에 냉풍용 송풍로(74Ac)가 형성되어 연결케이블(72)의 전력케이블(33D) 및 링모양부재(74A)를 통하여 전원(32)으로부터 페럴부(28)로 전력을 공급하며, 연결케이블(72)의 송풍용 배관(35D) 및 링모양부재(74A)를 통하여 송풍장치(34)로부터 페럴부(28)에 냉풍을 공급한다. It is a light source device with a large cooling action on the ferrule member of the discharge lamp. A discharge lamp having a glass tube 25 housing an electrode for discharge, a discharge lamp having a ferrule portion 28 connected to the glass tube 25, and a connecting cable 72, the ring-shaped member 74A of the connecting cable 72 is At the same time as being attached to the ferrule part 28 of the discharge lamp, a blower path 74Ac for cold air is formed in the ring-shaped member 74A through the power cable 33D and the ring-shaped member 74A of the connecting cable 72. Power is supplied from the power source 32 to the ferrule unit 28, and cold air is supplied from the blower 34 to the ferrule unit 28 through the blowing pipe 35D and the ring-shaped member 74A of the connection cable 72. to supply

Low wattage high pressure metal vapour discharge lamp

Discharge bulb for automotive headlamps

始動装置内蔵形高圧放電ランプ

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Patent JPS6367315B2

Fluorescent lamp device

내용 없음

誘電体バリア放電ランプ

誘電体バリア放電（ＤＢＤ）ランプ１は、第１及び第２の壁４，５により区切られる放電ボリューム２を有し、双方の壁４，５は、放電ボリューム２内のガス放電を励起するための電源１１により異なる電位にさらされる。放電ボリューム２内において延在し、第１及び第２の壁４，５に互いに接触する少なくとも１つの導電性の点火補助部又は点火部を設けることにより、特にランプ１の動作の長い中断後に、ランプ１の初期点火電圧の大幅な削減が得られる。

Gas-discharge reflecting lamp

Изобретение относится к электротехнической промышленности, в частности, усовершенствует конструкцию газоразрядных зеркальных ламп высокого давления для целей общего и специального освещения. Технический результат - повышение светоотдачи и срока службы газоразрядных зеркальных ламп. В газоразрядной зеркальной лампе, содержащей смонтированную на токовводах горелку в колбе, ось горелки находится на продольной плоскости симметрии колбы и смещена от ее оси к зеркальному покрытию, нанесенному на часть внутренней поверхности колбы так, что плоскость, проходящая через его продольные края, параллельна продольной оси горелки. Колба выполнена цилиндрической диаметром D, лежащим в пределах 9,2÷10,2 диаметра горелки d, а в зоне зеркальной поверхности колбы выполнено углубление V-образного поперечного профиля с выпуклыми наружу гранями 9, 10 исходящими из ребра 8, находящегося на продольной плоскости симметрии лампы на глубине, составляющую величину Н в пределах 0,04÷0,07 диаметра колбы D, причем края углубления находятся на касательных плоскостях К, К1 к горелке и проходящих через ось колбы, а выпуклые наружные грани выполнены радиусами R, R1, лежащими в пределах 0,30÷0,34 диаметра колбы D. Применение изобретения в производстве газоразрядных зеркальных натриевых ламп позволит увеличить световую отдачу ламп за счет предотвращения падения части излучения обратно на горелку и повысить срок службы. При использовании данных ламп в тепличном освещении позволит повысить освещенность от зеркальных ламп в среднем на 8% и увеличить продуктивность растений более чем на 8%. 3 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 737 278 C1 (51) МПК H01J 61/34 (2006.01) H01J 61/00 (2006.01) F21V 7/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H01J 61/34 (2020.08) (21)(22) Заявка: 2020114490, 13.04.2020 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Ермошин Вячеслав Анатольевич (RU) Дата регистрации: 26.11. ...

High pressure electric-discharge lamp fitted with starter

Compact fluorescent lamp

This device has a chassis member comprising a cylindrical part and a holder member, a screw base screwed to the cylindrical part, a base member attached to cylindrical part, a winding envelope formed by bending a straight tube twice into U-shapes, a ballast mounted to the holder member of the chassis member, and a globe member attached to the base member. A pair of fixed wall parts hold the ballast to the holder and provide resistance to the radiant effect of the ballast.