EP2502271A1 - Substrat pour un module luminescent et module luminescent - Google Patents

Substrat pour un module luminescent et module luminescent

Info

Publication number
EP2502271A1
EP2502271A1 EP11701963A EP11701963A EP2502271A1 EP 2502271 A1 EP2502271 A1 EP 2502271A1 EP 11701963 A EP11701963 A EP 11701963A EP 11701963 A EP11701963 A EP 11701963A EP 2502271 A1 EP2502271 A1 EP 2502271A1
Authority
EP
European Patent Office
Prior art keywords
substrate
dln
light sources
light
led
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Withdrawn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
EP11701963A
Other languages
German (de)
English (en)
Inventor
Thomas Preuschl
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
Osram 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 Osram GmbH filed Critical Osram GmbH
Publication of EP2502271A1 publication Critical patent/EP2502271A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • H05K1/029—Programmable, customizable or modifiable circuits having a programmable lay-out, i.e. adapted for choosing between a few possibilities
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/111—Pads for surface mounting, e.g. lay-out
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]

Definitions

  • Substrate for a light-emitting module and lighting module The invention relates to a substrate for a light emitting module, the special ⁇ for an LED lighting module, and also relates to a light emitting module.
  • the object is achieved by a substrate for an Leuchtmo- dul, comprising a plurality of Lichtierinbe collaborate discipline and Minim ⁇ least a suitssbegnaplatz for a (bridge) resistor, wherein the at least one lovedsbe collaborateplatz is respectively connected in parallel to at least one of Lichtierinbe-elle.
  • the same substrate can be used for a different number and / or type of light sources. If the maximum possible number of light source placement sites is not to be equipped with a respective light source, at least one light source placement site can remain free. In order to guarantee a flow of current through the other light sources, for each free Lichtierinbe Anlagenplatz a to electrically parallel-connected bridging bay is equipped with a bridge resistor.
  • a to electrically parallel-connected bridging bay is equipped with a bridge resistor.
  • the same substrate can be used for different requirements of a luminous flux (lumen requirement) and only needs to be equipped differently.
  • a desired numerical ratio of differently colored light sources, in particular LEDs, in particular for generating a mixed light can be easily adjusted or approximated.
  • the bridge resistor may in particular be a zero-ohm resistor.
  • the at least one light source comprises min ⁇ least one light emitting diode (LED). If several LEDs are present, they can be lit in the same color or in different colors. A color can be monochrome (eg red, green, blue etc.) or multichrome (eg white).
  • the light emitted by the at least one light-emitting diode can also be an infrared light (IR LED) or an ultraviolet light (UV LED).
  • IR LED infrared light
  • UV LED ultraviolet light
  • Several light-emitting diodes can produce a mixed light; eg a white mixed light.
  • the at least one light-emitting diode may contain at least one wavelength-converting phosphor (conversion LED).
  • the least a light-emitting diode can be in the form of at least one individually ge ⁇ nude LED or in the form of at least one LED chip.
  • the at least one light emitting diode may be equipped with Minim ⁇ least a separate and / or shared optics for Strahlle- tion, including at least one Fresnel lens, collimator, and so on.
  • inorganic light-emitting diodes for example based on InGaN or Alln-GaP, it is generally also possible to use organic LEDs (OLEDs, eg polymer OLEDs).
  • the at least one light source may for example comprise at least one diode laser or a ande ⁇ re semiconductor light source.
  • the number of resistance placement sites may be generally smaller, equal to or greater than the number of light source placement sites. If the number of Lichtierinbe collaborate discipline equal to the number of kausbe with the number of lightssbeflopate, each of the Lichtquel ⁇ lenbe nineitate can be bridged and electrically parallel to one of the kausbe with the lowest point of the sbe. If the number of Kaysbe with discipline smaller than the number of Lichtierinbe withhold, egg ⁇ nige the Lichtierinbeginatier may for example be bridged individually and / or can be bridged more Lichtierinbe90ate common ⁇ sam.
  • the wireless controller stations can also be used for alternative bridging of the light source loading stations, eg instead of a plurality of other resistor loading stations.
  • the light source placement stations are arranged in a matrix pattern and light source placement sites, which are not assigned to any of the resistance placement sites, are arranged in a central block of the light source placement sites.
  • a Lichtierinbe- piece space has a contact surface for an anode of the light source, a contact surface for a cathode of the light source and a contact surface for a heat dissipation surface of the light source ('thermal Päd'), said contact surfaces are electrically separated from each other.
  • light sources in particular light-emitting diodes, which have a dedicated heat dissipation surface, can be thermally coupled to the substrate particularly efficiently.
  • a simple and space-saving possibility for carrying out an electrical line can be provided via the contact surface for the heat dissipation surface, so that the electric line then no longer needs to be guided around the placement space on the outside.
  • the Lichtierinbe- pieces are equipped with at least two groups of light sources je ⁇ Weils the same color.
  • the Lichtquel ⁇ lenbe published at least with a first group of Each light source of a first color and be equipped with a second group of light sources each having a second color, for example, red and mint green.
  • Each of the groups of light sources has at least one light source.
  • three groups of light sources of three colors, for example red, green and blue may be present, or else four groups, eg red, green, blue and amber ('amber').
  • at least two groups can also be of the same color, eg two individually controllable groups with light sources of green color.
  • the light sources of at least two different groups may have a different color, and the light sources ⁇ at least one group are connected in series.
  • a simple bridging and uniform energization of Lichtménbe published or be achieved light sources ⁇ attached thereto.
  • the light sources of at least two different groups have a different color and that for at least one of the groups, in particular all groups of light sources at least one Lichtierinbegoriplatz is not electrically connected in parallel with a kausbe sequentialplatz. In this way it can be ensured that at least one light source of one of the groups is present.
  • the light source placement sites are equipped with two groups of light sources of different color, that the light sources of the two groups are each electrically connected in series, and that the two groups of light sources are mutually activatable or switchable.
  • Such a configuration can be particularly easily implemented, for example, by an opposite or reciprocal control, especially via a un ⁇ ter Kunststoffliche polarity of the drive signal, in particular Operating current.
  • min ⁇ For driving a control line, for example, min ⁇ least be provided.
  • the groups are pulse width modulated activated or triggered, for example, alternately a first group of pulses positi ⁇ ver polarity and a second group with positive pulses Po ⁇ larity.
  • the groups can be controlled independently of each other and, for example, be electrically connected in parallel with each other.
  • the light sources are individually switchable or activatable, in particular switched on and off or can be controlled and non-controlled. This can be achieved, for example, by providing at least one control line.
  • already mounted light sources can be activated individually, e.g. for setting a temporally integral luminosity.
  • the object is also achieved by a lighting module with at least one such substrate.
  • Fig.l shows a detail of a plan view of a
  • Figure 3 shows a fragmentary plan view of the advantages the side of the substrate according to the first exporting ⁇ approximate shape, wherein another of the LED placement stations are now fitted with LEDs;
  • Figure 4 shows in section a plan view of the pre ⁇ the side of the substrate according to the first exemplary form, said other of the LED placement stations are now fitted with LEDs;
  • Figure 5 fragmentary shows a plan view of the pre ⁇ the side of a substrate according to a second ⁇ guide die, wherein the LED placement stations are now equipped with LEDs of different color;
  • Figure 6 shows in section a plan view of the pre ⁇ the side of the substrate, wherein the LED placement stations are now equipped with different LEDs of different color;
  • FIG. 7 shows a simplified circuit diagram of the sub ⁇ strats in the range of the LED placement stations and cons ⁇ standsbe published procedure for the configuration of Fig.5 or Fig .6;
  • Figure 8 shows a fragmentary plan view of the advantages the side of a substrate according to a third From ⁇ guide die, wherein the LED placement stations are now un ⁇ differently equipped with LEDs of different colors.
  • the LED placement sites DLn are arranged in a matrix-like manner on the substrate 1.
  • the LED placement places DL13 to DL21 form a central block of 3x3 elements, while the LED placement places DL01 to DL12 form a lateral outer row (without corner places).
  • the LED placement stations DLn each have three contact fields or contact surfaces ('pads'), namely outside a contact surface Kl for an anode of a LED to be loaded and a contact surface K2 for a cathode of the LED to be loaded and between a contact surface K3 for a townab ⁇ control surface of the LED to be equipped ('thermal Päd').
  • the contact surfaces Kl, K2, K3 are electrically isolated from each other.
  • the putssbe published place RLm are positioned outside of the LED placement DLn, so that the lovedsbe ⁇ piece places RLm practically not in a light emission cone to be mounted on the LED slots DLn LEDs and thus do not shade a light emission.
  • the LED slots DLn are connected in series and electrically connected between a supply end VCC and ground GND.
  • the twelve LED placement places DL01 to DL12 are electrically connected in parallel to each one of the twelve resistor loading locations RLO1 to RL12.
  • the LED placement sites DL01 to DL12 comprehensive section is electrically connected in parallel to a further resistance ⁇ loading place JL01.
  • the resistor slot JL01 is advantageously only populated, eg with a zero-ohm resistor, if only the LED slots DL13 to DL21 are to be equipped or equipped.
  • a arranged on the lovedsbe Published JL01 resistance bridged all LED placement stations DL01 to DL12, which reduces a pick and ⁇ effort and component costs.
  • FIG. 3 shows a detail of a plan view of the front ⁇ side of the substrate 1, which is now equipped so that the LED placement DL02, DL05, DL08 and DL11 are not equipped and the other LED placement DL01, DL03, DL04, DL06 , DL07, DL09, DL10 and DL12 as well as DL13 to DL21 are equipped with LEDs (hatched indicated).
  • this corresponds to equipping the resistor placement locations RL02, RL05, RL08 and RL11, which are hatched here and shown schematically in FIG. 2 in the upper dashed box.
  • the resistor slots RLO1, RL03, RL04, RL06, RL07, RL09, RL10 and RL12 shown in FIG. 2 in the lower dashed box are not populated and thus electrically interrupted.
  • the resistor slot JL01 is also missing.
  • a current from the supply end VCC by the (equipped with an LED) LED placement DL01, by the (equipped with a zero-ohm resistor) shallsbe ⁇ piece space RL02, by the LED slots DL03 and DL04, by the Resistor placement space RL05, through LED placement slots DL06 and DL07, through resistor slot RL08, through LED slots DL09 and DL10, through resistor slot RL11, through LED slot DL12 and further through LED slots DL13 to DL21 to ground GND flow.
  • Such a loaded substrate 1 has seventeen LEDs.
  • the substrate 1 may be part of an LED lighting module M.
  • the substrate 1 and / or the LED lighting module M may additionally comprise power connections, an electronic circuit (e.g., a driver or a portion thereof), at least one sensor (temperature sensor, photodetector, etc.) and other switching elements.
  • FIG. 4 shows the substrate 1 in a different configuration with respect to FIG. 3, the LED placement stations DL02, DL05, DL08 and DL11 as well as DL13 to DL21 are equipped with LEDs (indicated by hatching) and the LED placement stations DL01, DL03, DL04, DL06, DL07, DL09, DL10 and DL12 not equipped.
  • resistor slots RL02, RL05, RL08 and RL11 shown in the upper dashed box are not populated, while the resistor slots shown in the lower dashed box RL01, RL03, RL04, RL06, RL07, RL09, RL10 and RL12 in particular with zero ohms Resistors are fitted (hatched indicated).
  • a current may be supplied from the supply end VCC through the resistor RL01 (equipped with a zero-ohm resistor), through the LED slot DL02 (equipped with an LED), through the resistor slots RL03 and RL04, through the LED Stand DL05, through the Wi-Fi derstandsbe laminated RL06 and R L07, flow through the LED Be Map ⁇ DL08 space through which keepssbe laminated R L09 and RLIO, by the LED fitting station DL11, by the lovedsbe clusterplatz RL12 and further through the LED placement stations DL13 to DL21 to ground GND.
  • Such a loaded substrate 1 has thirteen LEDs.
  • the LEDs are of the same color LEDs, such as white LEDs, a light flux can be easily scaled by the number of LEDs fitted without a layout of the substrate 1 needs to be changed geän ⁇ .
  • the number of LEDs can be arbitrarily set between nine and twenty-one.
  • the substrate 1 may be one or more Be ⁇ cultivatedungs Suitee having as described and / or the lighting module M can have one or more substrates. 1
  • FIG. 5 shows a detail of a plan view of the front side of a substrate 11 according to a second embodiment, wherein the LED placement DLOl to DL21 are now equipped with einundzwan ⁇ zig LEDs partially different color, namely with thirteen mint-colored LEDs (LED placement DL14 , DL16, DL17, DL18, DL20, DLO1, DL03, DL04, DL06, DL07, DL09, DL10 and DL12, vertically shaded) and eight red LEDs (LED placement slots DL02, DL05, DL08, DL11, DL13, D15, DL19, DL21, diagonally hatched).
  • This configuration of the LED light module M is very bright.
  • An electrical junction between the red LEDs and the mint-colored LEDs is in the form of a line between the contact surfaces Kl, K2 of the placement stations DL20 and DL21 reali ⁇ Siert.
  • This transition can also be regarded as a transition between circuit-separated areas, which can be controlled separately.
  • this scarf ⁇ tung separate areas can each LEDs of the same color umfas ⁇ sen.
  • 6 shows a detail of a plan view of the front ⁇ side of the substrate 11, now only the nine inner LED placement stations DL13 to DL21 are equipped with LEDs of different colors, namely five mint-colored LEDs (LED placement vertically hatched) and four red LEDs (LED slots diagonally hatched).
  • This configuration of the LED lighting module M is less expensive than the configuration shown in FIG.
  • FIG. 7 shows a simplified circuit diagram of the substrate 11 in the region of the resistor slots R110 and Rill for the configuration from FIG. 5 and FIG.
  • the LED placement slots DL13, D15, DL19, DL21 (for the red LEDs) as well as DL14, DL16, DL17, DL18, DL20 (for the mint color ⁇ nen LEDs) can not be bridged.
  • the other LED placement stations DL02, DL05, DL08, and DL11 for the red LEDs are not indi ⁇ vidually can be bridged, but only together with a lovedsbe Glaplatz RL110.
  • the substrate 11 has a resistance loading space RL111 which can bridge the other LED placement places DL01, DL03, DL04, DL06, DL07, DL09, DL10 and DL12 for the mint-colored LEDs together.
  • the LED placement stations DL02, DL05, DL08 and DL11 or DL01, DL03, DL04, DL06, DL07, DL09, DL10 and DL12 can each be switched in groups.
  • Fig. 5 For unpopulated resistance ⁇ loading stations RL110 and RL111 and corresponding populated LED slots DL02, DL05, DL08 and DL11 and DL01, DL03, DL04, DL06, DL07, DL09, DL10 and DL12, the arrangement shown in Fig. 5 may result.
  • populated resistors PLllO and RL111 and corresponding unbe ⁇ piece LED placement DL02, DL05, DL08 and DL11 and DL01, DL03, DL04, DL06, DL07, DL09, DL10 and DL12 the arrangement shown in Fig.
  • the red LEDs of the LED slots DL02, DL05, DL08, DL11 DL13, D15, DL19, DL21 and the mint LEDs of the LED slots DL14, DL16, DL17, DL18, DL20, DL01, DL03, DL04, DL06, DL07, DL09, DL10 and DL12 can be controlled separately. This can be done for example via at least one control line, not shown, to the LEDs, which can give up a PWM signal on the same color LEDs, for example, to disable these LEDs for the duration of the PWM pulse together (turn off or turn dark) or activate.
  • the two groups of LEDs can be controlled via PWM pulses of different polarity, for example.
  • the LED placement DLn are in turn equipped with LEDs under ⁇ different color.
  • the nine interior placement stations DL13 to DL21 are now equipped with LEDs of the Common color, for example mint green (vertical hatching), while the outer LED placement stations with six LEDs of that color and six LEDs of a different color (oblique Schraffie ⁇ tion), eg red, are equipped.
  • the present invention is not limited to the embodiments shown.
  • colors other than red and mint green may be used, e.g. the three colors red, green and blue.
  • LEDs of the same color can be controlled separately from the LEDs of a different color.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Led Device Packages (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

L'invention concerne un substrat (1) pour un module luminescent (M), présentant plusieurs sites d'implantation de sources luminescentes (DLn), notamment des sites d'implantation de LED, et au moins un site d'implantation de résistance (RLm) pour une résistance de pont, le ou les sites d'implantation de résistance (RLm) étant montés respectivement parallèles à au moins un des sites d'implantation de sources luminescentes (DLn).
EP11701963A 2010-02-12 2011-01-24 Substrat pour un module luminescent et module luminescent Withdrawn EP2502271A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010001893A DE102010001893A1 (de) 2010-02-12 2010-02-12 Substrat für ein Leuchtmodul und Leuchtmodul
PCT/EP2011/050890 WO2011098342A1 (fr) 2010-02-12 2011-01-24 Substrat pour un module luminescent et module luminescent

Publications (1)

Publication Number Publication Date
EP2502271A1 true EP2502271A1 (fr) 2012-09-26

Family

ID=44202821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11701963A Withdrawn EP2502271A1 (fr) 2010-02-12 2011-01-24 Substrat pour un module luminescent et module luminescent

Country Status (5)

Country Link
US (1) US20120307488A1 (fr)
EP (1) EP2502271A1 (fr)
CN (1) CN102763218A (fr)
DE (1) DE102010001893A1 (fr)
WO (1) WO2011098342A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012100032B4 (en) * 2011-12-22 2012-03-08 Ozuno Holdings Limited LED lamp with current dependent colour temperature
CN102767772B (zh) * 2012-08-17 2017-02-22 哈尔滨固泰电子有限责任公司 Led汽车远光组合灯的光学及制作方法
KR102261956B1 (ko) * 2015-02-05 2021-06-24 엘지이노텍 주식회사 발광 모듈 및 이를 구비한 라이트 유닛
DE102016224341A1 (de) * 2016-12-07 2018-06-07 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Scheinwerfer und Basisscheinwerfermodul für einen Scheinwerfer

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Also Published As

Publication number Publication date
US20120307488A1 (en) 2012-12-06
DE102010001893A1 (de) 2011-08-18
WO2011098342A1 (fr) 2011-08-18
CN102763218A (zh) 2012-10-31

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