EP1366545A1 - Projecteur plat comportant un systeme de contact - Google Patents

Projecteur plat comportant un systeme de contact

Info

Publication number
EP1366545A1
EP1366545A1 EP02712774A EP02712774A EP1366545A1 EP 1366545 A1 EP1366545 A1 EP 1366545A1 EP 02712774 A EP02712774 A EP 02712774A EP 02712774 A EP02712774 A EP 02712774A EP 1366545 A1 EP1366545 A1 EP 1366545A1
Authority
EP
European Patent Office
Prior art keywords
contact
insulating body
contact part
contact system
receptacle
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Withdrawn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
EP02712774A
Other languages
German (de)
English (en)
Inventor
Friedrich Lauter
Matthias Schweizer
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 EP1366545A1 publication Critical patent/EP1366545A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01J5/52—Means forming part of the tube or lamps for the purpose of providing electrical connection to it directly applied to or forming part of the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the present invention relates to a flat radiator.
  • flat radiators here means radiators based on electrical gas discharges, in particular on the basis of dielectrically impeded gas discharges, with a flat geometry that sees electromagnetic radiation both in the invisible range, for example ultraviolet (UV) or infrared (IR) Radiation, as well as in the visible range, ie Light, emit. In the latter case, the term “flat lamp” is also used.
  • the light can also be generated by converting UV radiation using phosphors.
  • the usually strip-shaped electrodes are either separated from the gas filling serving as the discharge medium (one-sided or bilaterally dielectric discharge). Such electrodes are also referred to in the following as "dielectric electrodes".
  • a flat radiator for the backlighting of liquid crystal displays so-called LCDs (Liquid Crystal Displays), is already known from WO 98/43277.
  • This flat radiator has a base plate, a cover plate and a frame, which are connected to one another in a gas-tight manner by means of solder to form a discharge vessel. Structures similar to conductor tracks function as electrodes in the interior of the discharge vessel, as bushings in the lead-through area and as external current leads in the outer area.
  • the flat radiator is connected to a pulse voltage source that functions as an electrical supply device via the power supply lines.
  • a disadvantage is the direct connection between flat radiator and supply device, which is less well suited for flexible and automated production of the system.
  • the electrical contact system according to the invention comprises a contact part with a U-shaped section, an insulating body on which the U-shaped section of the contact part is mounted and a receptacle for the insulating body with the mounted contact part.
  • the U-shaped section of the contact part has two side walls and a connecting wall connecting these two side walls, the outside of the connecting wall forming a contact surface.
  • the U-shaped section of the contact part partially encompasses at least a portion of the insulating body.
  • the contact part also includes a connection part for an electrical connection line.
  • the receptacle in turn comprises two plates or at least a partial area of two plates which are suitable for this purpose and which are arranged at least in sections at a distance from one another in parallel, and an electrical connection surface which is arranged on one of the two mutually facing surfaces of the two plates.
  • the insulating body is arranged with the mounted contact part between the two plates in such a way that the contact surface of the contact part is in electrically conductive contact with the connection surface of the receptacle.
  • a spring element is preferably arranged between the insulating body and the rear side of the U-shaped section of the contact part with respect to the contact surface. So that the contact part and the insulating body can press against the two plates (partial areas) of the receptacle by means of the force of this spring element, it is expedient, at least during assembly, to place the contact part only relatively loosely on the insulating body. Before installation in the receptacle, the insulating body and the contact part mounted on it are pressed together against the spring force of the spring element until both components can be inserted into the receptacle.
  • the compressed spring element can relax and the pre- build up the specified contact pressure.
  • the spring element can be formed separately from the contact part, for example in the form of a helical spring, and can also be integrated in the contact part, for example in the form of a spring tongue, optionally also in one piece.
  • the relevant area of the insulating body with at least one locking lug, preferably with one or two locking lugs on each side wall of this area.
  • one or possibly both side walls of the U-shaped section of the contact part are provided with corresponding openings for engaging the associated latching lugs of the insulating body.
  • Another advantage of using one or more spring elements in the manner described above is that tolerances in the distance between the plate sub-regions forming the receptacle can thereby be compensated for. In the course of the spring travel of the spring element, a pressing and consequently a contact between the contact surface of the contact part and the connection surface of the receptacle is ensured.
  • the contact surface of the contact part can be soldered to the connection surface of the receptacle, for example by means of HF soldering. To support the soldering process, it can be helpful if the contact surface has at least one hole in or in which solder is deposited.
  • the contact system is preferably equipped with more than one contact part, namely according to the number of corresponding connection surfaces of the receptacle or of the electrical connection lines provided. For example, two contact parts for two connecting lines are mounted on an insulating body in the aforementioned manner.
  • One or more of the contact systems according to the invention explained above are integrated in a narrow side of a flat radiator of the type mentioned at the beginning.
  • the electrical supply of large emitters can be realized in a modular manner by ensuring the total electrical power consumption with the aid of several ballasts of lower power, each individual ballast feeding a group of electrodes provided for this purpose.
  • this has the advantage that the electrical ballasts of smaller flat radiators can be used for large flat radiators.
  • flat radiators with electrode groups reference is also made to EP-A 0926 705.
  • one or each contact system is integrated in a flat radiator in such a way that a receptacle for the respective contact system is formed by an associated part of the base plate and front plate that projects above the frame of the discharge vessel.
  • each electrode or bus electrodes connecting multiple electrodes are routed from the inside of the discharge vessel to the outside of the electrode system or possibly each electrode group.
  • the end piece of each electrode or bus conductor track serves as a connection surface of the receptacle and is preferably adapted to the shape of the contact surface of the contact part.
  • the insulating body mounted with the contact part or the contact parts is inserted in the portion serving as a receptacle between the base plate and the front plate in such a way that the or each contact surface is arranged in an electrically connecting manner over the corresponding end piece serving as a connection surface.
  • the components of the contact system are preferably designed and dimensioned such that the entire contact system can be accommodated in the narrow side of the flat radiator within the receptacles provided for this purpose. This has the advantage that this narrow side of the flat radiator can be covered with a screen as protection against contact or for aesthetic reasons.
  • the complete lighting system additionally has at least one electrical supply device that is or are connected to the corresponding connection parts of the (respective) contact system by means of electrical connecting lines.
  • Figure la is a schematic plan view of a flat radiator
  • FIG. 1b shows a schematic side view of the flat radiator from FIG. 1 a with a contact system built into the narrow side of the flat radiator
  • FIG. 2a shows an enlarged view of the narrow side of the flat radiator, which shows a partial area of the contact system
  • FIG. 2b shows a sectional illustration along the line AB of a part of the flat radiator from FIG. 2a,
  • FIG. 3a shows a side view of an insulating body of the contact system
  • FIG. 3b shows a top view of the insulating body from FIG. 3a
  • FIG. 3c shows an enlarged section of the side view from FIG. 3a, which represents the area of the insulating body provided for the assembly of the contact part,
  • FIG. 3c shows an enlarged detail of the top view from FIG. 3b, which represents the area of the insulating body provided for the assembly of the contact part,
  • FIG. 4 shows the contact part of the contact system
  • FIG. 5 shows a further embodiment of the contact part of the contact system
  • Figure 6 shows a further embodiment of the contact part of the contact system.
  • FIGS. la, lb show a schematic plan view or side view of a flat radiator 1 based on a dielectric barrier discharge with a contact system 2 according to the invention.
  • the inside of the discharge vessel of this flat radiator is coated with a phosphor layer and is particularly suitable for the backlighting of Liquid crystal screens (LCD). Since the details of the structure of the flat radiator are only of secondary importance for understanding the invention, reference is made to the already cited document WO 98/43277, in particular to FIGS. 3a, 3b with the associated description of the figures.
  • the contact system 2 is integrated in a narrow side of the flat radiator 1, specifically outside the actual discharge vessel, which is defined by the base plate 3, front plate 4 and a frame 5 connecting the two plates, but between the part area which is extended beyond the frame 5 and serves as a receptacle the base plate 3 and the front plate 4.
  • FIGS. 2a, 2b show an enlarged representation of the partial region of the narrow side of the flat radiator with the contact system (partially) or a sectional representation along the line AB.
  • the contact system comprises an elongated insulating body 6 and a total of four contact parts 7 made of sheet metal (material: CuSn 6; surface: NiZnPbAg coated).
  • Each contact part 7 has a U-shaped section 8 on, which merges into an elongated connector 9.
  • FIGS. 3a to 3d show different views of the insulating body 6 and FIG. 4, which shows a representation of the contact part 7.
  • the insulating body 6 made of polycarbonate with 20% glass fiber content has a total of four areas 10 with an essentially rectangular circumference.
  • Each area 10 is provided for receiving the U-shaped section 8 in each case one of the four contact parts 7.
  • each area 10 has two latching lugs 11 on its two mutually opposite sides, which snap into the associated rectangular openings 12 in the side walls of the U-shaped section 8 of the respective contact part 7 during assembly.
  • each of the named areas 10 of the insulating body 6 is adjoined by an elongated cutout 13, into which the connection associated with the U-shaped section 8 is in each case in the assembled state. part 9 extends.
  • each area 10 of the insulating body 6 is provided with a bore 14, in each of which a spring 15 is arranged in the assembled state.
  • each spring 15 presses the insulating body 6 and the associated plugged-on contact part 7 apart and against the corresponding inside of the respective plate 3, 4
  • a total of four connection surfaces 17 are to be regarded as components of the receptacle.
  • connection surfaces 17 is developed from an end piece of an electrical bus conductor track applied to the inner wall of the base or front plate, which is in each case led outwards from the inside of the discharge vessel (not shown). Within the discharge vessel, each bus conductor track connects several strip-like electrodes, which are also applied to the inner wall of the base or front plate.
  • each connection surface 17 is largely adapted to the shape of the contact surface 16 of the corresponding contact part 7.
  • each connection area 17 is connected to the associated contact area 16 with the aid of an electrically conductive solder, for example by HF soldering.
  • an electrically conductive solder for example by HF soldering.
  • four bores 18 in the connecting wall of the U-shaped section 8 of the contact part 7, which comprises the contact surface 16 serve to deposit additional soldering tin.
  • Each connecting part 9 has two areas 9a, 9b which, in the assembled state, clamp the strand or the insulation jacket of a connecting line 19. enclose mend.
  • the other end of each connecting line 19 is connected to an output pole of an electrical pulse source which is suitable for a pulsed active power coupling known from EP-A 0 733 266 as particularly efficient.
  • Such electrical pulse sources are known, for example, from WO 99/05892.
  • the two separate electrode groups (not shown) of the flat radiator 1 can be controlled separately via two connecting lines each.
  • FIG. 5 shows a representation of a further embodiment of the contact part of the contact system, the same features being provided with the same reference symbols.
  • the contact part 20 has a leaf spring 21 which acts as a spring element.
  • the leaf spring 21 is inserted in a rectangular recess in the connecting wall 23 of the U-shaped section 24 of the contact part 20 connecting the two side walls 22a, 22b.
  • the leaf spring 21 is curved in the direction facing away from the contact surface 25 of the contact part 20.
  • the coil spring 15 mentioned in the description of FIGS. 2a, 2b and 3a to 3d can be dispensed with, at least in the case of small tolerances in the distance between base plate 3 and front plate 4 (see also FIG. 2b).
  • FIG. 6 shows a representation of a further embodiment of the contact part of the contact system, the same features again being provided with the same reference symbols.
  • the connecting wall (and consequently also the contact surface which is not visible in FIG. 6) of the contact part 25 is divided into two parts 27a, 27b by means of an expansion joint 26. Only one of the two partial surfaces 27a, 27b is soldered to the connection surface 17 mentioned above. In absolute terms, this means that the elongation is less than in the case of a one-piece connecting wall, since a percentage elongation corresponding to a specific temperature change only affects the shorter length of the Partial area 27a or 27b relates.
  • the expansion joint 26 has essentially the shape of an "H", although the transverse joint connecting the two longitudinal joints of this "H" has a stepped shape. This special shape of the transverse joint effectively prevents the helical spring 15 mentioned above from becoming jammed in the expansion joint 26 during assembly.

Abstract

L'invention concerne un projecteur plat (1) comportant un contenant de décharge composé d'une plaque de base (3), d'une plaque frontale (4), et d'un cadre (5). Le côté fin dudit projecteur comporte un système de contact (2) destiné au raccordement d'un appareil d'alimentation électrique au moyen de lignes de raccordement. Un corps isolant pourvu d'éléments de contact en forme de U est logé entre une partie de la plaque de base (3) servant de logement et faisant saillie par rapport au cadre (5) du contenant de décharge, et la plaque frontale (4). Les surfaces de contact des éléments de contact sont reliées aux électrodes du projecteur plat (1) par l'intermédiaire des surfaces de raccordement du logement.
EP02712774A 2001-03-08 2002-02-13 Projecteur plat comportant un systeme de contact Withdrawn EP1366545A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10111191A DE10111191A1 (de) 2001-03-08 2001-03-08 Verfahren mit Kontaktsystem
DE10111191 2001-03-08
PCT/DE2002/000512 WO2002078132A1 (fr) 2001-03-08 2002-02-13 Projecteur plat comportant un systeme de contact

Publications (1)

Publication Number Publication Date
EP1366545A1 true EP1366545A1 (fr) 2003-12-03

Family

ID=7676745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02712774A Withdrawn EP1366545A1 (fr) 2001-03-08 2002-02-13 Projecteur plat comportant un systeme de contact

Country Status (7)

Country Link
US (1) US6743036B2 (fr)
EP (1) EP1366545A1 (fr)
JP (1) JP2004519086A (fr)
CA (1) CA2408194A1 (fr)
DE (1) DE10111191A1 (fr)
TW (1) TW521457B (fr)
WO (1) WO2002078132A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8193650B2 (en) 2007-02-19 2012-06-05 Thorley Industries Llc Power generation system for a stroller

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1912094A1 (fr) * 2006-10-09 2008-04-16 Samsung Electronics Co., Ltd. Ensemble de rétroéclairage et affichage doté de celui-ci
CN102412488A (zh) * 2011-12-19 2012-04-11 邱发标 具有螺套式内螺纹的陶瓷灯座或灯头
DE102016201103B4 (de) * 2016-01-26 2023-10-05 Lisa Dräxlmaier GmbH Kontaktteil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922051A (en) * 1973-12-20 1975-11-25 Amp Inc Connector for alphanumeric display panels
JPH031898Y2 (fr) * 1985-07-08 1991-01-21
DE4311197A1 (de) 1993-04-05 1994-10-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Betreiben einer inkohärent strahlenden Lichtquelle
JP3494839B2 (ja) * 1997-03-07 2004-02-09 矢崎総業株式会社 圧接コネクタの端子係止構造
DE59810890D1 (de) * 1997-03-21 2004-04-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Flachleuchtstofflampe für die hintergrundbeleuchtung und flüssigkristallanzeige-vorrichtung mit dieser flachleuchtstofflampe
DE59801941D1 (de) 1997-07-22 2001-12-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Beleuchtungssystem mit einer dielektrisch behinderten entladungslampe und einer schaltungsanordnung zum erzeugen von impulsspannungsfolgen.
EP0926705A1 (fr) 1997-12-23 1999-06-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Radiateur plat à densité lumineuse de surface modulée localement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02078132A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8193650B2 (en) 2007-02-19 2012-06-05 Thorley Industries Llc Power generation system for a stroller
US8215808B2 (en) 2007-02-19 2012-07-10 Thorley Industries Llc Lighting system for a stroller
US8499898B2 (en) 2007-02-19 2013-08-06 Thorley Industries Llc Braking system for a stroller
US8500152B2 (en) 2007-02-19 2013-08-06 Thorley Industries Llc Collapsible stroller
US8733785B2 (en) 2008-09-05 2014-05-27 Thorley Industries Llc Collapsible stroller

Also Published As

Publication number Publication date
US6743036B2 (en) 2004-06-01
US20030153206A1 (en) 2003-08-14
CA2408194A1 (fr) 2002-11-12
JP2004519086A (ja) 2004-06-24
DE10111191A1 (de) 2002-09-19
TW521457B (en) 2003-02-21
WO2002078132A1 (fr) 2002-10-03

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