EP1834209A1 - Module lampe destine a des projecteurs - Google Patents

Module lampe destine a des projecteurs

Info

Publication number
EP1834209A1
EP1834209A1 EP05850189A EP05850189A EP1834209A1 EP 1834209 A1 EP1834209 A1 EP 1834209A1 EP 05850189 A EP05850189 A EP 05850189A EP 05850189 A EP05850189 A EP 05850189A EP 1834209 A1 EP1834209 A1 EP 1834209A1
Authority
EP
European Patent Office
Prior art keywords
lamp
reflector
lamp module
projectors according
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05850189A
Other languages
German (de)
English (en)
Inventor
Richard Lang
Gerhard Löffler
Thomas Mehr
Dirk Rosenthal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1834209A1 publication Critical patent/EP1834209A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2026—Gas discharge type light sources, e.g. arcs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
    • H01J5/60—Means for fastening the separate part to the vessel, e.g. by cement for fastening by mechanical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a lamp module for projectors according to the preamble of patent claim 1 and a method for positioning and electrical contacting of a lamp in such a lamp module according to the preamble of claim 25.
  • the lamp for example a xenon short-arc high-pressure discharge lamp
  • the lamp is inserted into the reflectors already installed in the projector and removed and replaced at the end of its service life as a single component from the projector. Due to the necessary adjustment of the lamp in the projector, technically trained personnel is required in such systems for installing the lamp, which must wear suitable protective clothing due to the risk of explosion of the lamp under high pressure. For this reason, pre-assembled lamp modules, with reflectors used in a housing, are used in video projection technology in which the lamp is accommodated in the housing. The position of the lamp is already adjusted via an adjusting device arranged on the housing by the manufacturer, ie an adjustment by the user is no longer necessary.
  • the preassembled lamp module is positioned over a rail arranged on the housing and with dowel pins on the projector and fixed via a flange.
  • the user is protected in the case of a "lamp burst" by the closed with a filter disc housing and the exact inclusion of the lamp module in the projector further adjustment and thus trained personnel unnecessary.
  • the invention has for its object to provide a lamp module, in particular for digital cinema and video projectors, as well as a method for positioning and electrical contacting of a lamp in such a lamp module, in which over conventional solutions improved handling with reduced manufacturing cost is possible.
  • the lamp module according to the invention has a reflector system with at least two reflectors, in which a lamp is accommodated.
  • the reflector system is electrically connected to the lamp and supports it, so that the reflector system and the lamp can be used as a preassembled unit in the projector.
  • the reflector system is preferably formed by two reflectors, wherein a first reflector with a light exit opening and a second reflector is formed with a reflector neck, wherein the lamp is mounted in the region of the reflector neck and the light exit opening.
  • the lamp in the interior of the reflector system can be on a housing, as required in the prior art solution for safety reasons, be dispensed with.
  • the reflector system as a mechanical and at the same time electrical connection element of the lamp to the projector, the production cost of the lamp module compared to the prior art substantially reduced.
  • the current transport takes place via the reflector system of the lamp, wherein it must be noted that the reflector system with the lamp must be isolated from the other components of the projector.
  • the reflector system has a spherical reflector as the first reflector and an elliptical reflector as the second reflector.
  • an annular groove may be provided on the plane surface or at the transition from the plane surface to the reflector curvature of a reflector into which a feather key engages the other reflector.
  • positioning elements for example positioning pins are provided on the flange, which allow mounting of the lamp module to the projector in a predetermined relative position. Due to the defined positioning, no further adjustment of the lamp module is necessary and thus the insertion of the lamp module into the projector is simplified and possible without specialist knowledge.
  • the spherical (first) reflector preferably has, on the light exit side, an approximately cone-shaped projection which merges into a fastening section for a filter holder which delimits the light exit opening and extends approximately in the manner of a cylinder jacket.
  • the lamps used in such a lamp module are high pressure discharge lamps. They are composed of a lamp bulb and two lamp shafts diametrically opposite the lamp bulb. In the lamp shafts, the electrodes are sealed with their electrode rods gas-tight and electrically connected to the contacts on the sockets, which are attached to the free ends of the lamp shafts.
  • a centering ring is inserted into the cylinder jacket-shaped mounting portion of the reflector.
  • the centering ring preferably has inwardly projecting struts, which are fastened to a centrally located in the centering metal sleeve.
  • the metal sleeve serves to receive a conductive contact pin at the free end of the base.
  • the structure of the lamp module is further simplified if the centering ring also carries a filter holder for a filter, in particular a UV / IR filter.
  • the cone-shaped projection of the first reflector preferably has a recess through which a flow of cooling air can enter or leave the reflector system.
  • the reflector neck of the elliptical (second) reflector has a receiving section on which spring tabs are formed, between which a cylindrical metal sleeve pushed onto the other lamp shaft can be received and secured.
  • the cylindrical metal sleeve is underlaid with a graphite tape and held by a clamping ring.
  • the spring tabs are preferably free-zest from the reflector neck and bent into the receiving portion inside.
  • the spring tabs can also be milled out or made by electroforming.
  • the lamp used is a xenon short-arc high-pressure discharge lamp, since such lamps have particularly good color rendering properties as well as high luminance and luminous flux, which enable good image reproduction in optical projection systems.
  • the electrical contacting of the base takes place at the end of the first lamp shaft by welding or soldering the electrical contact of the base with the receiving reflector part.
  • the electrical connection of the other electrode is made by means of a contact element at the free end of the leaking from the ceramic base strand, which in turn is connected to the electrode rod.
  • the reflector system of electrically conductive material, for example.
  • the inventive method for positioning and electrical contacting of a lamp in such a lamp module is carried out with the steps:
  • the lamp for electrical contacting and / or adjustment in the lamp module projects, at least in sections, out of the reflector system.
  • the lamp is easier to grasp by the adjusting device and can be contacted by the contact element in a simplified manner after the adjustment.
  • Figure 1 is a side view of a lamp module according to the invention.
  • Figure 2 is a three-dimensional view of the lamp module of Figure 1;
  • Figure 3 is a side view of a spherical reflector of the lamp module of Figure 1;
  • Figure 4 is a three-dimensional view of the spherical reflector of Figure 3;
  • Figure 5 is a detail view of a centering ring of Figure 2;
  • Figure 6 is a detail view of a filter holder of Figure 2
  • Figure 7 is a side view of an elliptical reflector of the lamp module of Figure 1;
  • Figure 8 is a plan view of the elliptical reflector of Figure 7 and
  • FIG. 9 shows a three-dimensional view of the elliptical reflector from FIG. 7.
  • the lamp module 1 has a reflector system 6 formed by a first, spherical reflector 2 and a second, elliptical reflector 4, in which a lamp 8 is accommodated.
  • the lamp 8 is carried by the reflector system 6 and forms with this a preassembled unit, which is electrically isolated on a wall 10 of a projector, such as a digital projector with LCD or DLP / DMD technology.
  • the spherical reflector 2 is formed with a light exit opening 12 and the elliptical reflector 4 with a reflector neck 14, wherein the lamp 8 is mounted according to the invention in the region of the reflector neck 14 and the light exit opening 12.
  • the lamp 8 Due to the heat development of the lamp 8 and the associated lifetime limitation effective cooling is needed. For this purpose, air is blown into the reflector system 6 via an unillustrated blower, as indicated by arrows. The cooling air flow surrounds the lamp 8 and effectively prevents the formation of a heat build-up in the reflector system 6.
  • the lamp 8 is designed as a xenon short-arc high-pressure discharge lamp in a conventional construction.
  • Such a short arc lamp consists essentially of an anode 16, a cathode 18, which are each mounted on an electrode rod 28 and a filled with high purity xenon lamp bulb 20.
  • This lamp bulb 20 passes along an optical axis 22 on both sides in each case an approximately cylindrical lamp shaft 24, 26, in which the electrode rods 28 of the anode 16 and cathode 18 melt gas-tight and are electrically connected to a base system 32, 34 at the free end of the lamp necks 24, 26.
  • the lamp shaft 26 on the cathode side out of the reflector system is the lamp shaft 26 on the cathode side out of the reflector system.
  • the lamp 8 is thereby better accessible by an adjusting device, not shown, and after the adjustment simplified via the base 34 and the Stromzu arrangementslitze 35 contacted.
  • the reflector system 6 is made of electrically conductive material and is provided with a reflective coating. Due to the use of the reflector system 6 as a mechanical and electrical connection element of the lamp 8 to the projector 10, the production costs compared to the prior art substantially reduced.
  • the spherical reflector 2 and the elliptical reflector 4 are connected to one another via radially projecting plane surfaces 36, 38 (see FIG. 4 and FIG. 9), which together form a flange 40 along which the lamp module 1 is fastened in isolation to the projector 10.
  • positioning pins 44 are provided in receiving bores 46 of opposite the remaining housing electrically isolated mounted projector wall 10 are used and allow a defined position of the lamp module 1 on the projector without adjustment by the user.
  • FIG. 2 shows a three-dimensional view of the lamp module 1 viewed from the light exit opening 12. Accordingly, a centering ring 48 with a sleeve 76 for receiving the contact 30 of the anode base 32 of the lamp 8 is inserted into the spherical reflector 2.
  • the centering ring 48 also carries a UV / IR filter 50, which is held by a filter holder 52 at the light exit opening 12.
  • the spherical reflector 2 has, on the light exit side, an approximately cone-shaped projection 54, which merges into an approximately cylinder jacket-shaped fastening section 56 delimiting the light exit opening 12.
  • the mounting portion 56 is provided with evenly distributed over the circumference of holes 58, in the fastening elements, not shown, for example. Screws or rivets, for fastening of centering ring 48 and filter holder 52 are used.
  • the cone-shaped projection 54 has a punched, approximately rectangular recess 60, through which the cooling air flow can leave the reflector system 6 in the direction indicated by arrows (see Figure 1).
  • Figure 4 shows a three-dimensional representation of the spherical reflector 2, wherein on the front side radially projecting plane surface 36, three symmetrically distributed knob-like Positionierhebened 62 are arranged, which can be brought into engagement with positioning recesses 64 of the planar surface 38 of the elliptical reflector (see Figure 9) and the position of the two reflectors 2, 4 to each other with respect to the optical axis 22 define. Furthermore, three through-holes 66 for receiving the positioning pins 44 and three through-holes 68 for fixing with the elliptical reflector 4 are formed on the plane surface 36. The fixation of two reflectors 2, 4, for example, by not shown, inserted into the holes 68 screws or rivets.
  • three inwardly projecting struts 70, 72, 74 are approximately star-shaped on the centering ring 48, which carry a sleeve 76 arranged centrally in the centering ring 48 for receiving the connection contact 30 (see FIG. 1) of the base 32 of the lamp 8 the centering ring 48 on one of the light exit side opposite inner edge has a chamfer, which is engaged behind by the struts 70, 72, 74 in order to prevent shading.
  • the sleeve 76 is offset along the optical axis 22 with respect to the light exit side to the rear, into the reflector.
  • the centering ring 48 is connected via evenly distributed around the circumference of holes 80 by means not shown fasteners with the mounting portion 56 of the spherical reflector 2 and has an end-side annular recess 82 for receiving the filter disk 50th
  • FIG. 6 shows a three-dimensional representation of the filter holder 52 which can be pushed onto the attachment section 56 of the spherical reflector 2 for receiving the UV / IR filter 50 (see FIG. 2).
  • the filter holder 52 has an approximately L-shaped cross-section, wherein the shorter leg 84 can be brought into contact with the filter 50 on the front side, surrounds it and thus secures it to the lamp module 1.
  • the filter holder 52 is connected via circumferentially arranged holes 86 via fastening elements, not shown, with the attachment portion 56 of the spherical reflector 2 connectable.
  • the elliptical reflector 4 has a shell-shaped surface 88, which merges into the reflector neck 14, which has an approximately cylindrical jacket-shaped receiving section 90 on which three spring clips 92, 94 , 96 are formed, between which the lamp neck 26 can be received with a metal sleeve 106 pushed over it and can be fixed (see Figure 10).
  • the spring tabs 92, 94, 96 are punched out of the reflector neck 14 and bent into the receiving portion 90 so that they rest at least partially resiliently when inserting the lamp 8 at a peripheral surface of the metal sleeve 106 to a secure hold of the lamp shaft 26 to reach and at the same time to allow adjustment of the lamp 8 in the reflector neck 14.
  • the spring tabs 92, 94, 96 are welded or soldered after the adjustment of the lamp 8 in the reflector system 6 with the pushed onto the lamp shaft 26 sleeve 106. Due to the difference in diameter between reflector neck 14 and lamp shaft 26, the cooling of the lamp can be further improved by the resulting annular space 100.
  • FIG. 9 shows a three-dimensional representation of the elliptical reflector 4, wherein three symmetrically distributed positioning recesses 64 are arranged on the end face radially projecting planar surface 64, which can be brought into engagement with the positioning elevations 62 of the planar surface 36 of the spherical reflector 2 (see FIG Location of the two reflectors 2, 4 with respect to the optical axis 22 define.
  • On the flat surface 38 further three through holes 102 for receiving the positioning pins 44 and three through holes 104 are formed for fixing with the spherical reflector 2.
  • the neck 14 of the elliptical reflector 4 is shown in section.
  • a cylindrical metal sleeve 106 is inserted, which is pushed over the lamp shaft 26, not shown here (see Figure 1).
  • the cylindrical metal sleeve 106 has at its end facing the cathode a plurality of extending in the axial direction of the lamp slots 108. These allow the attachment of the metal sleeve 106 on the lamp shaft 26 by means of a clamping ring 110, which is pushed over the electrode-side end of the metal sleeve 106.
  • a graphite tape not shown here highlighted.
  • the ceramic base 34 is held by the metal sleeve 106 freely stamped and bent-up tabs 114, which engage on the one hand in holes 112 in the ceramic base 34 and on the other hand support the electrode-side end of the ceramic base 34.
  • the ceramic base 34 further has a strain relief 33 in the form of a sleeve at the end facing away from the cathode. By this, the power supply wire 35 connected to the rod of the electrode (cathode) is pushed and crimped after assembly.
  • the positioning and electrical contacting of the lamp 8 in the lamp module 1 takes place substantially in six steps.
  • the lamp 8 is introduced into the reflector system 6 with metal sleeve 106 fastened on the second lamp shaft 26, the contact pin 30 of the first socket 32 being inserted into the metal sleeve 76 of the centering ring 48 on the first reflector 2.
  • the second lamp shaft 26 of the lamp 8 is gripped with an adjusting device, not shown, and the lamp 8 in the x-, y- and z-direction with respect to the optical axis 22 adjusted, the terminal contact 30 is movable in the sleeve 76 and the adjustment facilitated.
  • the metal sleeve 106 is welded or soldered to the spring tabs 94, 96, 98 on the second reflector 4 and the contact pin 30 of the first base 32 with the sleeve 76 on the centering ring 48 of the first reflector 2, so that the reflector system 6 electrically the lamp 8 is connected.
  • the ceramic socket 34 is pushed and secured with the strain relief 33 on the second lamp shaft 26 and the strain relief 33 with the Stromzu operationslitze 35 verkrimmt.
  • the final connection of the second electrode (cathode) to the network is made by connecting the free end of the power supply strand 35 to the power supply of the lamp 8 via a contact element, in particular a contact plug.
  • the object according to the invention is not limited to the xenon short-arc high-pressure discharge lamp described, but any projector lamp known from the prior art can be used.
  • a lamp module 1 for projectors 10 with a reflector system 6, which has at least two reflectors 2, 4, in which a lamp 8 is accommodated.
  • the reflector system 6 is electrically connected to the lamp 8 and carries it, so that the reflector system 6 and lamp 8 can be used as a preassembled unit in the projector 10 and simplifies the assembly considerably.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

L'invention concerne un module lampe destiné à des projecteurs, notamment des projecteurs vidéo ou de cinéma numériques. Ce module comprend un système réflecteur ayant au moins deux réflecteurs et abritant une lampe. Le système réflecteur est électriquement relié à la lampe et la porte de telle façon que le système réflecteur et la lampe puissent être utilisés dans le projecteur comme une unité prémontée, ce qui simplifie nettement le montage.
EP05850189A 2005-01-03 2005-12-20 Module lampe destine a des projecteurs Withdrawn EP1834209A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005000713A DE102005000713A1 (de) 2005-01-03 2005-01-03 Lampenmodul für Projektoren
PCT/DE2005/002298 WO2006072228A1 (fr) 2005-01-03 2005-12-20 Module lampe destine a des projecteurs

Publications (1)

Publication Number Publication Date
EP1834209A1 true EP1834209A1 (fr) 2007-09-19

Family

ID=36128255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05850189A Withdrawn EP1834209A1 (fr) 2005-01-03 2005-12-20 Module lampe destine a des projecteurs

Country Status (8)

Country Link
US (1) US20080137344A1 (fr)
EP (1) EP1834209A1 (fr)
JP (1) JP2008527616A (fr)
KR (1) KR20070112374A (fr)
CA (1) CA2592841A1 (fr)
DE (1) DE102005000713A1 (fr)
TW (1) TW200632516A (fr)
WO (1) WO2006072228A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005011364U1 (de) * 2005-07-19 2005-10-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Reflektorlampe
CN101971075A (zh) * 2007-12-18 2011-02-09 光处方革新有限公司 自由形态聚光光学装置
CN102047373A (zh) * 2008-05-29 2011-05-04 奥斯兰姆有限公司 用于装配用于放电灯的灯头的方法以及放电灯
CN103742864B (zh) * 2012-02-06 2016-03-23 马丁专业公司 具有逆反射器的灯反射器系统

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US4305099A (en) * 1980-02-01 1981-12-08 General Electric Company Light collection system
JP2000200511A (ja) * 1998-10-30 2000-07-18 Phoenix Denki Kk 放電灯
US6351058B1 (en) * 1999-07-12 2002-02-26 Eg&G Ilc Technology, Inc. Xenon ceramic lamp with integrated compound reflectors
JP2002025305A (ja) * 2000-07-11 2002-01-25 Sanei Denki Seisakusho:Kk 高圧放電ランプを用いた投光装置
US6796696B2 (en) * 2000-12-05 2004-09-28 Stanley Electric Co., Ltd. Vehicle light with movable reflector portion and shutter portion for selectively switching an illuminated area of light incident on a predetermined portion of the vehicle light during driving
US6531058B1 (en) * 2002-05-13 2003-03-11 Juan Carlos Josse Biological fluidized bed apparatus
US7044609B2 (en) * 2003-03-25 2006-05-16 Seiko Epson Corporation Light source device and projector
JP2005004131A (ja) * 2003-06-16 2005-01-06 Seiko Epson Corp 光源装置及びプロジェクタ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006072228A1 *

Also Published As

Publication number Publication date
DE102005000713A1 (de) 2006-07-13
US20080137344A1 (en) 2008-06-12
KR20070112374A (ko) 2007-11-23
JP2008527616A (ja) 2008-07-24
CA2592841A1 (fr) 2006-07-13
WO2006072228A1 (fr) 2006-07-13
TW200632516A (en) 2006-09-16

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