EP4361497A1 - Elément de connexion pour une bande de diodes électroluminescentes, bande de diodes électroluminescentes pourvue d'un élément de connexion et bande d'éclairage dotée d'une telle bande de diodes électroluminescentes - Google Patents

Elément de connexion pour une bande de diodes électroluminescentes, bande de diodes électroluminescentes pourvue d'un élément de connexion et bande d'éclairage dotée d'une telle bande de diodes électroluminescentes Download PDF

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Publication number
EP4361497A1
EP4361497A1 EP23202632.8A EP23202632A EP4361497A1 EP 4361497 A1 EP4361497 A1 EP 4361497A1 EP 23202632 A EP23202632 A EP 23202632A EP 4361497 A1 EP4361497 A1 EP 4361497A1
Authority
EP
European Patent Office
Prior art keywords
light
strip
emitting diode
connection element
diode strip
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.)
Pending
Application number
EP23202632.8A
Other languages
German (de)
English (en)
Inventor
Daniel Strubreiter
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.)
Aspock Systems GmbH
Original Assignee
Aspock Systems GmbH
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 Aspock Systems GmbH filed Critical Aspock Systems GmbH
Publication of EP4361497A1 publication Critical patent/EP4361497A1/fr
Pending legal-status Critical Current

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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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • 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
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F21S4/24—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
    • 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
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a connection element for arrangement on and electrical connection with a light-emitting diode strip according to the preamble of claim 1.
  • the present invention further relates to a light-emitting diode strip according to claim 5 or 6, which is terminated with at least one of the said connection elements.
  • the invention relates to a lighting strip with a connection element and a light-emitting diode strip according to claim 7.
  • the above-mentioned LED strip can be a flexible LED strip which is arranged in a lighting strip which is provided for lighting purposes in a building or on or in a vehicle, for example.
  • a lighting strip is formed by mounting the LED strip in a provided profile made of metal or possibly flexible plastic, for example by gluing.
  • a profile is also referred to as a base profile in the following text.
  • the lighting strip formed from the mentioned parts is, after the LED strip has been introduced into The housing is often encapsulated with transparent plastic to protect the LED strip inside from environmental influences such as moisture, humidity and corrosion. This plastic is also referred to as encapsulation in the following text.
  • a light-emitting diode strip is often designed as a circuit board made of flexible plastic.
  • This circuit board often has two or more copper tracks or copper layers extending along the length of the light-emitting diode strip, which are provided on a flexible circuit board.
  • the light-emitting diodes are mounted on the circuit board using chip-on-board (COB) technology or SMD technology, for example, and connected to the copper tracks.
  • COB chip-on-board
  • SMD SMD technology
  • These copper tracks must be electrically contacted at the ends of the light-emitting diode strip.
  • a cable with a connector is often soldered to a copper track on the circuit board at the end remote from the connector. After the soldering process and the insertion of the light-emitting diode strip into the base profile, it can then be encapsulated with transparent plastic.
  • the patent specification discloses EN 10 2008 013 454 B4 a lighting strip in which a circuit board covered by a potting compound is positioned. At the end of the lighting strip there is a termination element which is drilled through to allow the electrical supply lines to pass through.
  • the length of the connecting cable for the lighting strip determines the length of the connecting cable for the lighting strip.
  • one and the same type of lighting strip can be used in different places.
  • the manufacturer of the lighting strip the problem that he has to provide a large number of lighting strips with different cable lengths and/or connectors for the connecting cable. If the casting is done mechanically, cables and any connectors attached to them must also be transported through the casting machine. This is particularly problematic with long connecting cables.
  • the lengths of the connecting cables vary between a few centimeters and around 10 meters.
  • the electrical supply cables can only be connected after the casting.
  • this requires reliable containment, i.e. mechanical separation of the liquid or gel-like casting compound during the application process.
  • Reliable separation between the area to be cast and the area of the lighting strip intended for electrical contact is necessary because the area of the LED strip intended for electrical connection must be kept free of casting compound.
  • the disclosure document EN 10 2009 020 851 A1 describes a sealing cover for protecting the electrical contacts of a molded lighting strip to enable the installation of an electrical connection to the lighting strip.
  • the utility model CN 201155673 Y and the disclosure document CN101060733A show elongated cast lighting strips with connection elements at the ends, in which a light-emitting diode strip mounted therein is provided with a foil on the side facing away from the light-emitting diodes.
  • connection element mentioned at the beginning is intended to provide both a mechanical containment of the potting compound above the LED strip and a reliable and at the same time flexible possibility for electrically contacting the LED strip.
  • connection element which meets the above requirements.
  • a light-emitting diode strip intended for use with such connection elements is also to be provided.
  • a lighting strip with a light-emitting diode strip and connection elements to be created attached thereto is to be provided.
  • the invention has the features of claim 1 with regard to the connection element.
  • the invention has the features of claim 5 or 6.
  • the invention has the features of claim 7.
  • connection element for arrangement on and electrical connection with a light-emitting diode strip for accommodation in a base profile with a bottom wall and lateral side walls extending from the bottom wall and an inner recess formed by the bottom wall and the side walls, in particular an elongated inner recess for accommodation of the light-emitting diode strip
  • the connection element is designed to accommodate one end of the light-emitting diode strip and has a partition wall which is effective when the light-emitting diode strip accommodated in the base profile is cast with casting compound, wherein the partition wall is penetrated by an electrical contact device, wherein the electrical contact device on the side of the partition wall facing the light-emitting diode strip is set up for electrical contacting of a contacting device arranged on the light-emitting diode strip and wherein the electrical contact device on the side of the partition wall facing away from the light-emitting diode strip is set up for connection to a plug connector, and the connection element arranged on the light-
  • the LED strip has a flexible circuit board that has a very large longitudinal dimension compared to its width. On one side of this circuit board, LEDs are attached, while the other side of the board, facing away from the LEDs, is connected to the bottom wall of the base profile. The LED strip is thus located in the inner recess of the base profile. A LED strip in the sense of the invention is only electrically contacted at one or both ends.
  • the base profile can be a flexible plastic profile that is designed to accommodate the LED strip attached to a bottom wall of the plastic profile.
  • the plastic profile also has two side walls that extend from opposite sides of the bottom wall so far away from the bottom wall that the side walls protrude beyond a LED strip attached to the bottom wall.
  • the bottom wall and the two side walls thus form an elongated, channel-shaped profile. After a LED strip has been attached to this profile, this channel-shaped profile is filled with a casting compound that is transparent at least in the area of the LEDs.
  • connection element with the partition wall described above ensures that the encapsulated area is safely separated from the electrical contact of a lighting strip provided with the LED strip.
  • the contact on the side facing away from the LED strip is made here via a plug connector, which can be attached to the connection element either before encapsulation or after the complete lighting strip has been manufactured.
  • the contact between the plug connector and the LED strip attached inside the lighting strip is made using an electrical contact device described below, which is integrated into the connection element.
  • An electrical contact device is provided on the side of the partition facing the LED strip for connection to the LED strip Contact devices such as solder pads or insulation displacement terminals are installed.
  • the electrical contact device for connecting to the connector is installed on the side of the partition facing the connector. These can be metal pins, electrical wires or insulated electrical wires.
  • connection element according to the invention advantageously serves to prevent the casting compound from flowing over the ends of the LED strip into areas of the lighting strip that are used for electrical contact.
  • connection elements are also referred to as wedges.
  • Such a connection element can be attached to both ends - viewed in the longitudinal direction - of the LED strip before the LED strip is inserted into the base profile.
  • one advantage of this invention is the possibility of assembling the connection element directly during or immediately after assembling the respective circuit board in a "pick and place” process together with the other electronic components such as LEDs and control circuits.
  • a further advantage is that the connecting cable does not need to be transported through the potting machine and the device for functional testing of the lighting strip at the end of the production line.
  • connection element has a very high protection class against moisture ingress, for example the protection class IP9K required in vehicle construction.
  • IP9K protection class
  • Such a connection element can be mounted at the beginning and end of a circuit board of the LED strip. This makes it relatively easy to link several lighting strips, regardless of the length of the connection cable.
  • the finished lighting strip can be easily flush-mounted into a Use the appropriate mounting profile. This property is particularly desirable in vehicle construction, for example when installing the lighting strip in the interior of trucks.
  • a receiving device which can be designed as a groove, for example, serves on the one hand to further increase the separating effect of the partition wall.
  • this receiving device also enables secure positioning of the connection element on the LED strip.
  • the assembly of the connection element on the circuit board of the LED strip is made easier because the relative positioning of the connection element and the circuit board of the LED strip with the contacting devices attached thereto can be ensured via the receiving device.
  • the electrical contact device in the terminal connecting element is a pin-shaped contact element.
  • the electrical contact device in the terminal connecting element is an electrical line.
  • connection element A simple way of producing the connection element is to integrate a metal pin or a pin-shaped contact element adapted to the connector into the connection element for each required electrical connection through the partition wall during production of the connection element, for example by injection molding.
  • the plastic material of the connection element also ensures good electrical insulation between the individual electrical contact devices.
  • pin-shaped contact elements One advantage of pin-shaped contact elements is that the connection cables that were previously required no longer have to be pre-tinned. Pre-tinning is necessary so that the connection cables can be connected to the LED strip by means of a soldering process.
  • the electrical contact carriers are already integrated in the connection element. These can be soldered directly onto the circuit board without pre-tinning. This eliminates the need for the connection cables that would otherwise be used.
  • electrical lines in the form of, for example, cable lines or cable strands can also be used.
  • An electrical line here is also understood to mean, for example, a core of a multi-core cable.
  • the individual cores can still be provided with insulation at the end intended for contacting the LED strip.
  • This type of contact has the advantage that, on the one hand, the insulation already provided by the plastic material of the partition is improved and, on the other hand, the insulation can improve the sealing effect of the partition if an opening in the connection element is designed to match the diameter of an insulated line.
  • the ends of the cores intended for contacting the LED strip can be free of insulation, as is necessary, for example, to produce a soldered connection or to insert the ends of the cores into spring terminals that are attached to the LED strip for electrical connection.
  • two or more electrical contact devices can be arranged in a connection element. In vehicle construction, two electrical contact devices are often used for +24V and GND (earth), sometimes even three: +24V, GND, -24V. Instead of 24V, just 12V can be used to supply the LED strip. Control signals can also be applied to the LED strip via the electrical contact devices.
  • connection element has a support surface and/or a contact surface for the LED strip on the side of the partition facing the LED strip.
  • connection element With such support surfaces and/or contact surfaces, a secure positioning of the LED strip relative to the connection element can be achieved.
  • These embodiments, implemented individually or together, are particularly advantageous if they are implemented together with the above-mentioned embodiment of a receiving device on the connection element.
  • the invention further provides a light-emitting diode strip with a flexible circuit board, a plurality of light-emitting diodes arranged thereon and two ends opposite one another in a longitudinal direction, which is closed at at least one of its ends for connection to a connection element according to one of the preceding claims, wherein the light-emitting diode strip has, at the end designed for connection to a connection element, a number of solder pads corresponding to the number of electrical contact devices for electrical connection to a respective electrical contact device.
  • Another LED strip according to the invention has a flexible circuit board, a plurality of LEDs arranged thereon and two ends opposite one another in a longitudinal direction and is designed at at least one of its ends for connection to a connection element, wherein the LED strip has at the end designed for connection to the connection element a number of insulation displacement terminals corresponding to the number of insulated lines for receiving a respective electrical contact device.
  • the invention provides a lighting strip in which a light-emitting diode strip is arranged in a base profile and the base profile is filled with potting compound in an area carrying the light-emitting diode strip up to the partition wall of the connection element.
  • the LED strip is usually glued to the bottom wall of the base profile, for example with a double-sided adhesive tape or a liquid adhesive.
  • the potting compound serves to protect the LED strip, the electronic components attached to it and the circuit board from environmental influences such as moisture and corrosion.
  • Transparent plastic materials such as polyurethane are usually used, which are available in liquid or gel form, for example in two components. and after casting, they are cured using electromagnetic radiation such as UV or IR light.
  • the casting compound can also be made of silicone, acrylate or polyester, for example.
  • the lighting strip has two connection elements.
  • connection elements according to the invention are attached to both ends of the lighting strip, both ends of the lighting strip can be electrically connected using suitable connectors. In this way, several lighting strips can be linked together, i.e. connected electrically in series.
  • the base profile has on an outer side of a side wall at least one rib running in a longitudinal direction for stiffening and for receiving in a receiving profile.
  • Ribs that fit a mounting profile serve to stiffen the lighting strip on the one hand and to enable the lighting strip to be installed easily and securely in a mounting profile on the other.
  • a mounting profile is used, for example, in the bodies of trucks and trailers flush with side walls or a ceiling surface in order to install lighting strips for interior lighting in the mounting profile.
  • connection element the electrical connection between the connection element and the LED strip is provided, so that a ready-to-use system consisting of lighting strips and a connection cable suitable for both the lighting strip and the on-site connection option can be provided at the installation site using this simple procedure, which is also characterized by fail-safe assembly.
  • connection element 1 according to the present invention.
  • the partition wall 3 is easily recognizable with, in this example, two recesses 7, into which the connection element is usually 1 two rectangular contact pins are introduced. These recesses 7 extend through the partition wall 3 to the side of the connection element that serves for the connection to the plug connector. In the foreground you can see the support surface 4 for the LED strip 20 and the groove-shaped receiving devices 5.
  • Connection elements 1 can be made from an insulated plastic, similar to the base profiles described below.
  • Fig.2 The drawing shows the same connection element 1 as Fig.3 , wherein in the foreground a light-emitting diode strip 20, not yet connected to the connection element 1, with light-emitting diodes 21 arranged thereon can also be seen.
  • the light-emitting diodes 21 are arranged on a circuit board 24.
  • the solder pads 22 are each connected to a conductor track (not shown) on the circuit board 24.
  • connection element 1 which has the electrical contacting devices 8.
  • These contacting devices 8 are rectangular metal pins which extend through the partition wall 3 and, for example, with the Fig.2 shown solder pads 22 can be connected by a soldering process.
  • connection element 2 shows another embodiment of the connection element 2. This also has electrical contacting devices 10. However, these contacting devices 10 are electrical cable lines.
  • Fig.5 The drawing shows similar to the Fig.2 a connection element 2 in the embodiment of the Fig.4 and in the foreground a light-emitting diode strip 20 with light-emitting diodes 21 arranged on a circuit board 24.
  • insulation displacement terminals 23 are attached to the LED strip, which are designed to contact the round insulated cable lines 10.
  • the insulation displacement terminals 23 are each connected to a conductor track (not shown) on the circuit board 24.
  • These insulated lines 10 are in the connection element 2 of the Fig. 4
  • Other contacting options that are also suitable for non-insulated cables are spring terminals such as push-in terminals or tension spring terminals.
  • the drawing shows an elastically designed base profile 11, which has a bottom wall 12 and two side walls 13.
  • the channel-shaped inner recess 14 of the base profile 11 is formed between the bottom wall 12 and the side walls 13.
  • the base profile 11 for receiving the LED strip 20 has two side walls 13 in the embodiment shown, which are formed in one piece with a bottom wall 12 of the base profile 11.
  • the base profile 11 has in the longitudinal direction 15 according to the double arrow to Fig.6 its greatest extent.
  • the base profile has a plurality of longitudinal ribs 16, which increase the rigidity of the base profile 11 and facilitate the installation of the finished lighting strip in a corresponding receiving profile.
  • Such a receiving profile can be used, for example, in the interior fitting of the loading areas of trucks or the trailers of semi-trailers. In addition to easier installation, this also ensures secure positioning and mounting of the lighting strip in the receiving profile.
  • the base profile 11 can be an elastic profile with a trough-shaped or channel-shaped cross-section, which is made, for example, from a thermoplastic elastomer (TPE), in particular a urethane-based thermoplastic elastomer (TPU), or also from a polyvinyl chloride (PVC) material or also from an elastic thermosetting material.
  • TPE thermoplastic elastomer
  • TPU urethane-based thermoplastic elastomer
  • PVC polyvinyl chloride
  • FIG.7 The drawing shows how the LED strip 20 with LEDs 21 attached to it is arranged in the base profile 11.
  • the connection element 1 is located at the end of the base profile 11 and the circuit board 24 is arranged at one end.
  • the connection element 1 is located at the end of the base profile 11.
  • the rectangular metal pins 8 for contacting the circuit board 24 of the LED strip 20 were bent downwards in stages to facilitate electrical contact.
  • the LEDs 21 can be attached to the circuit board 24 using chip-on-board (COB) technology. This makes it possible to arrange the LEDs at such a small distance from each other that the LEDs produce a uniform light for the viewer, so the viewer does not perceive individual points of light, but a continuous, one-piece or one-piece LED strip with a homogeneous radiation of light.
  • COB chip-on-board
  • Fig.7 the connector 32 and the partition wall 3. It is easy to see that the connector 32 is integrated into the connection connecting element 1. In this embodiment, no exposed cable is required between a connector and connection connecting element 1, which could be subject to mechanical stresses such as pulling or bending and would have to be taken into account when transporting or packaging a lighting strip.
  • Fig.8 shows one end of the lighting strip 31 with the LED strip arranged thereon, on which LEDs 21 are arranged.
  • the electrical contacting devices 8 of the connection element 1 are connected to contacting devices (not shown) of the LED strip, such as soldering pads.
  • a potting compound 30 shown in hatched form, which completely covers the LEDs 21 on the LED strip 20.
  • the potting compound 30 can be made of a polyurethane material, for example, and can be transparent, translucent, or even multi-layered.
  • a partial layer directly enclosing the LEDs 21 can be transparent, and an area or partial layer arranged above it can be translucent, for example, so that the light emission of the LEDs is not hindered and the optical appearance on the top of the potting compound 30 appears uniform.
  • Fig.9 shows a lighting strip 31 which is arranged in a receiving profile 19.
  • the connecting element 1 is easily visible in the background. It is also shown that the part of the connecting element 1 which extends beyond the base profile 11 in the longitudinal direction 15 projects beyond the base profile 11 in order to ensure a safe containment of the casting compound 30. Since the receiving profile 19 most of the length of the lighting strip 31 is securely positioned by adapting the receiving profile 19 to the base profile 11, the part of the connecting element 1 extending in the longitudinal direction 15 beyond the base profile 11 can have a smaller external cross-section than the base profile 11.
  • the perspective view of the Fig.9 shows only a section of the illumination strip 31, with the cutting plane indicated by the hatching.
  • lighting strips with lengths of a few decimetres can be produced. But lighting strips with a length of 15 metres can also be produced without any problem.
  • the achievable length of the lighting strip is limited only by the specific resistance and the cross-section of the electrical conductors that are used on or in the circuit board 24 of the LED strip 20 to supply the individual LEDs.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)
EP23202632.8A 2022-10-26 2023-10-10 Elément de connexion pour une bande de diodes électroluminescentes, bande de diodes électroluminescentes pourvue d'un élément de connexion et bande d'éclairage dotée d'une telle bande de diodes électroluminescentes Pending EP4361497A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022128306.2A DE102022128306A1 (de) 2022-10-26 2022-10-26 Anschlussverbindungselement für ein Leuchtdiodenband, mit einem Anschlussverbindungselement versehenes Leuchtdiodenband und Beleuchtungsstreifen mit einem solchen Leuchtdiodenband

Publications (1)

Publication Number Publication Date
EP4361497A1 true EP4361497A1 (fr) 2024-05-01

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EP23202632.8A Pending EP4361497A1 (fr) 2022-10-26 2023-10-10 Elément de connexion pour une bande de diodes électroluminescentes, bande de diodes électroluminescentes pourvue d'un élément de connexion et bande d'éclairage dotée d'une telle bande de diodes électroluminescentes

Country Status (2)

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EP (1) EP4361497A1 (fr)
DE (1) DE102022128306A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101060733A (zh) 2007-04-30 2007-10-24 林万炯 柔性条形防水led灯成型工艺
CN201155673Y (zh) 2008-02-04 2008-11-26 林万炯 柔性防水led灯带
DE102009020851A1 (de) 2009-05-12 2010-11-25 Osram Gesellschaft mit beschränkter Haftung Leuchtband und Verfahren zum Herstellen eines Leuchtbands
DE102008013454B4 (de) 2008-03-10 2012-05-31 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg LED-Baueinheit für Beleuchtungszwecke
EP2562470A2 (fr) * 2011-08-24 2013-02-27 OSRAM GmbH Procédé de production d'un dispositif d'éclairage et dispositif d'éclairage correspondant
US20140334142A1 (en) * 2013-05-09 2014-11-13 Inspired LED, LLC Extended Length Flexible LED Light Strip System
WO2018069453A1 (fr) 2016-10-12 2018-04-19 Gerhard Kager Ruban de diodes électroluminescentes, procédé de fabrication d'une bande de diodes électroluminescentes et bande de diodes électroluminescentes
US10753596B1 (en) 2020-02-21 2020-08-25 Elemental LED, Inc. Apparatus and method for making encapsulated linear lighting of arbitrary length

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101060733A (zh) 2007-04-30 2007-10-24 林万炯 柔性条形防水led灯成型工艺
CN201155673Y (zh) 2008-02-04 2008-11-26 林万炯 柔性防水led灯带
DE102008013454B4 (de) 2008-03-10 2012-05-31 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg LED-Baueinheit für Beleuchtungszwecke
DE102009020851A1 (de) 2009-05-12 2010-11-25 Osram Gesellschaft mit beschränkter Haftung Leuchtband und Verfahren zum Herstellen eines Leuchtbands
EP2562470A2 (fr) * 2011-08-24 2013-02-27 OSRAM GmbH Procédé de production d'un dispositif d'éclairage et dispositif d'éclairage correspondant
US20140334142A1 (en) * 2013-05-09 2014-11-13 Inspired LED, LLC Extended Length Flexible LED Light Strip System
WO2018069453A1 (fr) 2016-10-12 2018-04-19 Gerhard Kager Ruban de diodes électroluminescentes, procédé de fabrication d'une bande de diodes électroluminescentes et bande de diodes électroluminescentes
US10753596B1 (en) 2020-02-21 2020-08-25 Elemental LED, Inc. Apparatus and method for making encapsulated linear lighting of arbitrary length

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