CN1216742A - 有发光二极管的电路及有这种电路的机动车辆指示灯 - Google Patents

有发光二极管的电路及有这种电路的机动车辆指示灯 Download PDF

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CN1216742A
CN1216742A CN98120701A CN98120701A CN1216742A CN 1216742 A CN1216742 A CN 1216742A CN 98120701 A CN98120701 A CN 98120701A CN 98120701 A CN98120701 A CN 98120701A CN 1216742 A CN1216742 A CN 1216742A
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circuit
light
emitting diode
network
resistor wire
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CN1258453C (zh
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帕斯卡尔·波伊洛特
阿泽戴恩·哈姆兹奥尤
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Valeo Electronique SA
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Valeo Electronique SA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2696—Mounting of devices using LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Led Devices (AREA)

Abstract

用于机动车辆指示灯的发光二极管的电路包含有一个如同印刷电路板(13)的支持体,其上装有一个发光二极管的网络(12)和两根连接到所说的网络的两根供电线(14、15),其特征在于,电线(14、15)中至少有一根是一种电阻率超过1欧姆/米的电阻线,该(各)电阻线的长度使得所说的该(各)电线能保证对发光二极管的供电电流进行调节。

Description

有发光二极管的电路及有这种电路的机动车辆指示灯
本发明涉及用于机动车辆指示灯的电致发光二极管电路。
它同样涉及包含有这种电路的机动车辆的指示灯。
通常，在机动车辆的发光二极管指示灯中，这些二极管被安装在一个底板例如印刷电路板上，并且提供了一种调节电路。这种调节电路通常原则上由一个大功率电阻构成并远离发光二极管。
例如在专利US5,325,271中便描述了这种指示灯。
最近提出了发光二极管指示灯的一种结构，它可以取消这个偏离的调节电路。提出的解决办法是将横向电阻装入发光二极管网络，每个电阻和一个二极管相联并与其串联安装。
一个这种类型的电路被表示在图1上。其中电阻被标记为1，而二极管被标为2。
这样的结构具有的优点是能去除将装有发光二极管的基底和由大功率电阻构成的调节电路用电线联结相关的问题。
不过，这种解决办法还不是完全令人满意的。
特别是，电阻和发光二极管的靠近导致后者过热。这会使它们的性能大大下降(发射下降约40％)。
本发明的一个目的是提出和图1上表示的解决办法的那种结构相比在价格和品质上具有相同优点而不具有其缺点的一种可供选择的解决办法。
为此本发明提出一种用于机动车辆指示灯的具有发光二极管的电路。该电路包含有一个印刷电路板，或任何其他能保证在二极管之间进行相互连接的支持体，其上安装有一个发光二极管网络和两根连接到所说的网络的电源线，其特征在于，这两根线中至少一根是线性电阻率超过1欧姆/米的电阻线，该(各)电阻线的长度使得所说的该(各)电线能保证对发光二极管的供电电流进行调节。
另外，本发明也涉及一种具有发光二极管的机动车辆指示灯，其特征在于它包含有一种上述类型的电路。
通过后面的说明还会看到本发明的其他特征和优点。这一说明纯粹是例证性的，而不是限制性的。对其应该参看附图进行阅读。附图中：
-图1，已进行过分析，说明已往技术已知的一种具有发光二极管的电路；
-图2说明根据本发明的一种可能的实现方式的具有发光二极管的电路。
图2上表示的电路包括有安装在一个印刷电路板13上的一个发光二极管的网络12和两根连接线14、15，此二连线的用途是可以将所说的二极管网络12和电源连接起来。
这两根线14、15中至少有一根是线性电阻率大于1欧姆/米的电阻线。
这样，二极管12中的电流调节便由供电线14、15中的一根或两根构成的远离的电阻所实现。
当然，可以是供电线14、15中只有一根是电阻线而另一根是标准导体，或者还可能在另外的情况下两根电线14、15都是电阻线。
作为电阻线，最好可以地使用一种镍/铬成分的芯线。这样的电阻线可以是例如AX0N′CABLE S.A.公司的名为NIKROTHAL80,70的一种商品线。其直径为0.1mm而20℃时的电阻率为139欧姆/米。
该(各)电阻线的长度或(决定电阻率的)直径随希望的调节电阻值而定。
线的直径限制了连接器连接器截面上的镶嵌应力。
另外，这样的电阻线要用绝缘材料套上。这可以是例如一种氟乙烯丙烯(FEP)，一种能承受205℃的温度而处于稳定不变状况的材料。
按照所加的限制，尤其是对于加有外套的电阻线的易燃性或耐温性能来说，当然可考虑其他材料。
在图1和图2上表示出了发光二极管的网络。其中所说的二极管按照3×5的矩阵分布。当然，二极管的这个数目和这种分布只是作为说明的数据。
可能已很清楚，该电路最好不包含任何电阻元件。电阻的功能原则上由该(各)供电线得到保障。

Claims (5)

1．用于机动车辆指示灯的发光二极管的电路，它包含有一个支持体如印刷电路板(13)，其上安装有一个发光二极管的网络(12)和两根被连接到所说的网络的供电线(14、15)，其特征在于，这两根线(14、15)中至少有一根是线性电阻率超过1欧姆/米的电阻线，该(各)电阻线的长度使得所说的该(各)电线能保证对发光二极管的供电电流进行调节。
2．按照权利要求1的电路，其特征在于，电阻线是具有一种镍/铬成分的芯线。
3．按照前面所述的权利要求中的任一项权利要求的电路，其特征在于，电阻线是一种外面套有绝缘材料的电线。
4．按照前面所述的权利要求中的任一项权利要求的电路，其特征在于，它不包含任何的电阻元件。
5．具有发光二极管的机动车辆指示灯，其特征在于，它包含有一种以权利要求1至4中的任何一项权利要求为依据的电路。
CNB981207014A 1997-09-24 1998-09-23 有发光二极管的电路及有这种电路的机动车辆指示灯 Expired - Fee Related CN1258453C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711877A FR2768895B1 (fr) 1997-09-24 1997-09-24 Circuit a diodes electroluminescentes pour feu de vehicule automobile et feu de vehicule automobile comportant un tel circuit
FR9711877 1997-09-24

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CN1216742A true CN1216742A (zh) 1999-05-19
CN1258453C CN1258453C (zh) 2006-06-07

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US (1) US6293687B1 (zh)
EP (1) EP0906001B1 (zh)
JP (1) JPH11154403A (zh)
CN (1) CN1258453C (zh)
BR (1) BR9803494A (zh)
DE (1) DE69809368T2 (zh)
FR (1) FR2768895B1 (zh)

Cited By (1)

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CN101329043B (zh) * 2007-06-18 2010-09-01 南茂科技股份有限公司 光源组件及用于此光源组件的调整亮度的方法

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DE10131845B4 (de) * 2001-06-30 2005-08-25 Hella Kgaa Hueck & Co. Schaltungseinrichtung für die Spannungsversorgung von Leuchtdioden in einem Kraftfahrzeug
JP2004090858A (ja) * 2002-09-03 2004-03-25 Toyoda Gosei Co Ltd ストップランプ
FR2924298B1 (fr) * 2007-07-16 2013-03-29 Pierre Alain Dumas Reglage des leds blanches
EP2197245A1 (en) * 2008-12-02 2010-06-16 AGC Flat Glass Europe SA Panel of glass including light emitting diodes and voltage regulation means
US9649975B2 (en) * 2009-06-05 2017-05-16 Wabash National, L.P. Visual indicator adaptor and assembly for a tractor trailer
US8653957B2 (en) * 2009-06-05 2014-02-18 Wabash National, L.P. Visual indicator adaptor and assembly for a tractor trailer
US20120306392A1 (en) * 2011-06-02 2012-12-06 Taiwan Semiconductor Manufacturing Company, Ltd. Light-emitting diode network

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN101329043B (zh) * 2007-06-18 2010-09-01 南茂科技股份有限公司 光源组件及用于此光源组件的调整亮度的方法

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EP0906001B1 (fr) 2002-11-13
FR2768895B1 (fr) 1999-12-10
BR9803494A (pt) 1999-11-23
EP0906001A1 (fr) 1999-03-31
DE69809368D1 (de) 2002-12-19
DE69809368T2 (de) 2003-10-09
JPH11154403A (ja) 1999-06-08
FR2768895A1 (fr) 1999-03-26
US6293687B1 (en) 2001-09-25
CN1258453C (zh) 2006-06-07

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