EP1341142B1 - Source lumineuse à diodes éléctroluminescentes - Google Patents

Source lumineuse à diodes éléctroluminescentes Download PDF

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Publication number
EP1341142B1
EP1341142B1 EP03003325A EP03003325A EP1341142B1 EP 1341142 B1 EP1341142 B1 EP 1341142B1 EP 03003325 A EP03003325 A EP 03003325A EP 03003325 A EP03003325 A EP 03003325A EP 1341142 B1 EP1341142 B1 EP 1341142B1
Authority
EP
European Patent Office
Prior art keywords
led
led illuminant
illuminant according
circuit board
sheathing
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.)
Expired - Lifetime
Application number
EP03003325A
Other languages
German (de)
English (en)
Other versions
EP1341142A2 (fr
EP1341142A3 (fr
Inventor
Hans-Thomas Hansen
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1341142A2 publication Critical patent/EP1341142A2/fr
Publication of EP1341142A3 publication Critical patent/EP1341142A3/fr
Application granted granted Critical
Publication of EP1341142B1 publication Critical patent/EP1341142B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports

Definitions

  • the invention relates to an LED lighting according to the preamble of the main claim, in particular an LED lighting with a number of boards provided with light emitting diodes and at least one, the boards to each other and the voltage source connecting cable.
  • the invention has set itself the task of creating an easy to install, universally applicable, rainproof, bright system that can be easily and quickly installed anywhere.
  • a substantially transparent sheath advantageously covers a plurality of light emitting diodes on each of these individual boards in a transparent and substantially watertight manner.
  • LEDs are combined in a tube. Any moisture that penetrates the ends can be evaporated again by the self-heating of the LEDs and escape.
  • insulation e.g. a shrink tube absolutely sufficient.
  • the overall depth of bodies to be illuminated e.g. Reduce letters of a neon sign because of the lower heat emission and the self-size of the lighting according to the invention; It can illuminate finer details and closer installation of multiple loops of the hose, the light intensity can easily and cheaply increase.
  • the lighting is easy to install and the license requirements for over 1000-volt systems that have to be complied with in the past with neon-crystallisation are completely eliminated.
  • the life is increased significantly, to 15-80,000 hours, which is not expected to complete failure but with slow decrease in brightness.
  • a coating hose the diameter of which is greater than the diameter of the board, advantageously a shrink tube, which engages by heating, tight the board and thus loses its original round shape and thus a flat mounting surface on the back of the PCBs, opposite the LED offers.
  • the individual boards are connected by a cable having an inner strand or a wire which is connected to the conductor paths on the boards.
  • the sheathing of the line can also be made in one piece with the substantially transparent sheath of the light emitting diodes, so that it does not require a shrink tube, which is otherwise pulled over the possibly provided sheath of the line and in particular the boards together.
  • a repair is possible by replacing individual diodes, including the subsequent coating of shrink tubing on the repair site.
  • LED lighting arises at least in the area of the boards, so that they can be fastened, for example via double-sided adhesive tape, the LED light is illuminated substantially perpendicular to the mounting surface.
  • a certain amount of light at an angle to the side is quite desirable in the illumination of letters by internal LED lighting.
  • This scattering effect can be due to embedded Diffused particles are reinforced in the transparent sheath or changed by colored particles or colorations in their color.
  • fluorescent components in the sheath have been found to be advantageous because they reduce the punctiform light character of the light-emitting diodes and produce a larger luminous area. At the same time, the color can be significantly influenced in this way.
  • the ballast should suitably have a power of 50W in the case of the rectified high voltage 990V and a constant diode current of, for example, 50mA. In the preferred embodiment for 220 V results in a correspondingly lower performance.
  • each LED is a Z-diode connected in parallel.
  • the ballast can be manually dimmed to zero using a potentiometer or control.
  • the tube can be separated between two diodes.
  • a connection cable which is connected via a terminal, a simple connection to both hose ends of the other LED lighting hose.
  • the in the Fig. 1 illustrated, preferred embodiment with a pulled over the board shrink tubing consists of about 4 cm spaced LED boards, which are provided substantially at right angles, but with omitted outer corners in a tube which is arranged by way of example in a letter 'a' .
  • the substantially upwardly emitting in a narrow beam LEDs are mounted on boards, which are surrounded by the transparent sheathing in the form of a sprayed cable jacket or in the form of a shrink tube or otherwise covered in a transparent manner.
  • optically active particles or substances can be introduced in order to widen or color the light cone.
  • the light cone of the LEDs will suffice, with an accurate upward orientation not necessary, because due to the small distance to the next LED, the interior of a lighting fixture is illuminated anyway by a plurality of LEDs.
  • a double-sided adhesive tape which can be mounted in particular on the back of the flat board sections of the hose, has proven itself.
  • commercially available cable holder or the like to make the LED lighting easier to replace.
  • the interconnects 14 branch off from the interconnects to the LED diode to a Zener diode, which is connected in parallel with the LED diode.
  • the Zener diode is arranged on one side of the LED diode on the board laterally next to the LED diode. On the opposite side, however, the board is sized just as large, in order not to obtain the straight arrangement disturbing the mounting, one-sided symmetry of the boards in the hose.
  • the boards are with a length of about 10 mm and a width of 5 mm from the z. B. 2 mm diameter cable with sheathing be much wider, so that the shrink tube, which engages tightly when heated, this leaves clearly visible as thickening in the diode tube. If necessary, an additional jacket can be sprayed onto the diode or heated into the hose, which may not yet be shrunk, before the heat-shrinkable tube has been heated.
  • the distances of the circuit board from each other are at the cables connecting to a voltage source (see FIG Fig. 2 ) chosen so that at an angle between 90 and 150 ° large (preferably 115 to 125 °) in already 6 cm deep Lighting fixtures a uniform illumination of a windshield is possible.
  • width of a lighting fixture is greater than 4 cm (width of a leg to be illuminated in Fig. 1 ), it is proposed to lay the substantially transparent, tubular sheath 20 of the LEDs 16 on the boards 10 double row.
  • a slight inclination to the windshield which illuminates the more inner wall of the luminous element, first equalizes the light distribution, only when parts of the windshield are no longer illuminated, should a rotation of the hose by attaching e.g. the hose fixing holders are reduced. Since a board 10 is provided for each light emitting diode 16, it is easy to ensure a flat alignment in the correct position.
  • the substantially watertight sheath 20 of the light-emitting diodes makes it possible to make the luminous element simpler, wherein the sheath 20 can cover more than one circuit board 10 and also the connecting paths between adjacent luminous bodies.
  • the sheath is a shrink tube, the sheet character of the boards is maintained and subsequent seals are no problem.
  • Suitable material of the sheath 20 or incorporated fluorescent substances may cause novel color effects instead of or in addition to colored interior spaces to be illuminated.
  • a DC voltage supplying ballast with mains voltage can be integrated into the body to be illuminated, leaving enough space in front of and in addition to such a so-called converter in order to bring about uniform illumination.
  • a substantially rectangular, with its longitudinal extent corresponding to the extension of the cable connected to this board is selected, the corners are removed to form an elongated octagonal board.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Led Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Claims (10)

  1. Eclairage à LED comportant une pluralité de platines (10) munies de diodes électroluminescentes (16) et de câbles (12) reliant les platines entre elles et à une source de tension,
    caractérisé par
    une gaine de recouvrement essentiellement transparente en tant qu'enveloppe (20) d'au moins les diodes électroluminescentes (16) sur les platines (10).
  2. Eclairage à LED selon la revendication 1, caractérisé en ce qu'il est prévu une platine (10) par diode électroluminescente (16).
  3. Eclairage à LED selon l'une des revendications précédentes, caractérisé en ce que l'enveloppe (20) des diodes électroluminescentes est étanche à l'eau.
  4. Eclairage à LED selon l'une des revendications précédentes, caractérisé en ce que l'enveloppe (20) recouvre plus d'une platine (10).
  5. Eclairage à LED selon la revendication 4, caractérisé en ce que l'enveloppe est une gaine thermorétractable.
  6. Eclairage à LED selon l'une des revendications précédentes, caractérisé en ce que le matériau de l'enveloppe (20) présente des substances fluorescentes.
  7. Eclairage à LED selon l'une des revendications précédentes, caractérisé par un ballast alimenté en tension secteur et délivrant une tension continue.
  8. Eclairage à LED selon l'une des revendications précédentes, caractérisé par une diode Z (18) qui est montée en antiparallèle sur chaque LED.
  9. Eclairage à LED selon l'une des revendications précédentes, caractérisé en ce que le câble (12) présente un fil ou toron (11) qui est soudé à une piste conductrice (14) de la platine.
  10. Eclairage à LED selon l'une des revendications précédentes, caractérisé en ce que la platine (10) est essentiellement rectangulaire, son extension longitudinale correspondant à l'extension du câble, et reliée à ce dernier, les angles du rectangle n'étant plus présents de manière à former une platine octogonale allongée.
EP03003325A 2002-03-01 2003-02-13 Source lumineuse à diodes éléctroluminescentes Expired - Lifetime EP1341142B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20203326U 2002-03-01
DE20203326U DE20203326U1 (de) 2002-03-01 2002-03-01 LED-Beleuchtung

Publications (3)

Publication Number Publication Date
EP1341142A2 EP1341142A2 (fr) 2003-09-03
EP1341142A3 EP1341142A3 (fr) 2006-01-25
EP1341142B1 true EP1341142B1 (fr) 2009-11-25

Family

ID=7968496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003325A Expired - Lifetime EP1341142B1 (fr) 2002-03-01 2003-02-13 Source lumineuse à diodes éléctroluminescentes

Country Status (4)

Country Link
EP (1) EP1341142B1 (fr)
AT (1) ATE450028T1 (fr)
DE (2) DE20203326U1 (fr)
DK (1) DK1341142T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003279157A1 (en) * 2002-10-03 2004-04-23 Color Kinetics Incorporated Methods and apparatus for illuminating environments
DE10358447B3 (de) * 2003-12-13 2005-05-25 Insta Elektro Gmbh Beleuchtungseinrichtung
DE102004004777B4 (de) * 2004-01-30 2013-08-29 Osram Opto Semiconductors Gmbh Verformbares Beleuchtungsmodul
DE102004064254B3 (de) 2004-01-30 2019-06-27 Osram Gmbh Verformbares Beleuchtungsmodul
CN101377272B (zh) * 2008-09-28 2014-05-07 北京中庆微数字设备开发有限公司 一种led装置
DE102009024828A1 (de) 2009-06-13 2010-12-23 Adolf Maier Feuchtigkeitsdichte Beleuchtungsanordnung und Verfahren zu dessen Herstellung
WO2012023856A1 (fr) * 2010-08-20 2012-02-23 Orga Holding B.V. Carte de circuits imprimés à plusieurs del et son utilisation dans un appareil antidéflagrant
DE202014005059U1 (de) 2014-06-17 2014-09-10 Petrus Pfundt Tubelight LED Lichtröhre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5496427A (en) * 1991-03-13 1996-03-05 The Standard Products Company Process for manufacturing an elongated electroluminescent light strip
US5927845A (en) * 1995-08-28 1999-07-27 Stantech Integrally formed linear light strip with light emitting diodes
CN1162054C (zh) * 1998-05-08 2004-08-11 文图尔研究及发展公司 圣诞灯串
DE19904915A1 (de) * 1999-02-06 2001-02-01 Alcatel Sa Feuchtigkeitsdichtes Lichtband
DE10083183D2 (de) * 1999-10-20 2002-02-28 Europ Sign Systems Ess Gmbh Beleuchtungsverfahren, Beleuchtungssystem und dessen Komponenten insbesondere zur Ausleuchtung von Hohlkörpern wie Schildern, Beschriftungen, Buchstaben, insbesondere Reliefbuchstaben u. dgl. Reliefbuchstabe mit einer Ausleuchtung
US6283612B1 (en) * 2000-03-13 2001-09-04 Mark A. Hunter Light emitting diode light strip
DE20008713U1 (de) * 2000-05-16 2000-09-14 Reklame Conrad Wilden Nachf Gm Leuchtmittel

Also Published As

Publication number Publication date
DE50312147D1 (de) 2010-01-07
ATE450028T1 (de) 2009-12-15
DK1341142T3 (da) 2010-04-12
EP1341142A2 (fr) 2003-09-03
EP1341142A3 (fr) 2006-01-25
DE20203326U1 (de) 2002-07-04

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