CN103378077A - Led发光装置 - Google Patents

Led发光装置 Download PDF

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Publication number
CN103378077A
CN103378077A CN201210107937XA CN201210107937A CN103378077A CN 103378077 A CN103378077 A CN 103378077A CN 201210107937X A CN201210107937X A CN 201210107937XA CN 201210107937 A CN201210107937 A CN 201210107937A CN 103378077 A CN103378077 A CN 103378077A
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light
emitting diode
emitting device
optical window
exiting surface
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CN103378077B (zh
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张忠民
张简千琳
胡雪凤
蔡钰玮
孙正文
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Rongchuang Energy Technology Co ltd
Zhanjing Technology Shenzhen Co Ltd
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Rongchuang Energy Technology Co ltd
Zhanjing Technology Shenzhen Co Ltd
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Priority to TW101113891A priority patent/TW201342675A/zh
Priority to US13/859,752 priority patent/US8926125B2/en
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    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V7/00—Reflectors for light sources
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/05—Optical design plane
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/061—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being glass
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Traffic Control Systems (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

一种LED发光装置，其包括发光二极管、外壳以及光调节器，该发光二极管具有主出光面以及与该主出光面相对的散热面，该外壳包括出光窗，该出光窗具有出光面，该发光二极管的散热面固定于该出光窗上，而其主出光面朝向该光调节器，工作时，该发光二极管发出的热量传递至出光窗的出光面，而其发出的光线射向该光调节器，并经过光调节器的调节后改变方向从出光窗的出光面出射。该发光二极管工作时的热量可以传输到该出光面。由于该出光面具有相比于外界空气较高的温度，则即使在天气寒冷地带，该出光面可即时融化飘洒在其表面的积雪或者冰霜，不会被积雪或者冰霜掩盖。

Description

LED发光装置
技术领域
本发明设计一种发光装置，尤其是一种LED发光装置。 
背景技术
LED（Light-Emitting Diode, 发光二极管）发展至今，由于其具有节能、省电、高效率、反应时间快、寿命周期时间长、且不含汞、具有环保效益等优点，被认为是新世代绿色节能照明的最佳光源。目前LED逐渐进入交通灯、指示灯等指示领域。然而，现有的LED交通灯在应用于寒带地区时，由于天气寒冷，容易被雪或者冰霜所覆盖其发光面，造成交无法出光，指示功能失效，进而导致交通混乱。 
发明内容
有鉴于此，有必要提供一种有融雪及除霜功能的LED发光装置。 
一种LED发光装置，其包括发光二极管、外壳以及光调节器，该发光二极管具有主出光面以及与该主出光面相对的散热面，该外壳包括出光窗，该出光窗具有出光面，该发光二极管的散热面固定于该出光窗上，而其主出光面朝向该光调节器，工作时，该发光二极管发出的热量传递至出光窗的出光面，而其发出的光线射向该光调节器，并经过光调节器的调节后改变方向从出光窗的出光面出射。 
该发光二极管工作时的热量可以传输到该出光面。由于该出光面具有相比于外界空气较高的温度，则即使在天气寒冷地带，该出光面可即时融化飘洒在其表面的积雪或者冰霜，不会被积雪或者冰霜掩盖。 
附图说明
图1是本发明第一实施例的LED发光装置的切面示意图。 
图2是图1所示LED发光装置中的发光二极管的另一视角的示意图。 
图3是图1所示的LED发光装置的左视示意图。 
图4是本发明第二实施例的LED发光装置的切面示意图。 
图5是图4所示的LED发光装置的左视示意图。 
主要元件符号说明 
10 发光二极管
20 基板
21 散热面
30 LED芯片
31 主出光面
40 外壳
41 出光窗
410 出光面
42 壳体
43 支架
44 透光部
50、50a 反射器
51、51a 反射面
60、60a LED发光装置
如下具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
下面结合附图对本发明作进一步的详细说明。 
请参阅图1与图2，示出了本发明第一实施例的LED发光装置60，在本实施例中，该LED发光装置60为一交通灯。该LED发光装置60包括一外壳40、搭载在该外壳40上的多个发光二极管10以及一光调节器。 
该发光二极管10包含基板20以及LED芯片30，该基板20作为该发光二极管10的导电、支承及散热部件，其可为印刷电路板、陶瓷基板、金属基板以及柔性电路板等。其中，该LED芯片30搭载于该基板20的表面。该基板20远离该LED芯片30的表面形成一散热面21。该LED芯片30远离该基板20的表面即与该散热面21相对的表面形成一主出光面31，LED芯片30发光时，大部分光线从该主出光面31出射，该主出光面31朝向该光调节器设置。在以下叙述中，定义从该主出光面31远离该基板20的方向即朝向该光调节器的方向为方向a，从该散热面21远离该基板20的方向即远离该光调节器的方向为方向b，a、b两方向相反。 
在本实施方式中，该光调节器为一反射器50。当然，该光调节器也可通过折射等调节方式改变光的出射方向。该外壳40为一圆形盖体，其直径大小符合日常使用的LED交通灯的直径大小，或者直接采用日常使用的LED交通灯的外壳。 
该外壳40由一坚硬的材料(如金属)制成，其具有良好的导热性能。该外壳40包含出光窗41以及壳体42。请同时参阅图3，该出光窗41包括承载发光二极管10的支架43及形成于支架上的透光部44，光线通过该透光部44出射至LED发光装置60的外部。该支架43呈十字交叉状，该多个发光二极管10分布于该出光窗41的支架43的各支及中部位置处。在本实施方式中，该多个发光二极管10也呈十字分布。该多个发光二极管10通过其基板20与出光窗41的支架43连接。与支架43连接后的多个发光二极管10的主出光面31朝向该反射器50，散热面21朝向该外壳40背离该反射器50的表面。也即是，方向a为从发光二极管10指向反射器50的方向。该外壳40的透光部44远离该反射器50的表面形成一出光面410。该透光部44由透明的材料所制成，以使光线能够透射出外壳40。也即是该散热面21与该出光面410朝向同一方向b。发光二极管10的散热面21通过导热胶或其他固定方式安装于支架43上，以将工作时产生的热量传递到支架43上，进而传递到透光部44上。该反射器50呈一半球面。如图1所示的切面示意图，该反射器50的切面呈一弧形，其沿着a方向凸起。该反射器50包覆该多个发光二极管10所分布的区域。该反射器50的内表面，也即是朝向该发光二极管10的表面为一反射面51，其具有高反射率。 
当LED照明装置60与外界电源通电后，该多个或者其中一个发光二极管10发光，其出射光线沿a方向照射至反射器50的反射面51。该反射面51将光线反射后改变方向使其从该出光面410出射，进而起到指示作用。该主出光面31设置在LED发光装置60内部的中间位置处。同时，该发光二极管10工作时的热量可以直接通过散热面21及支架传输到该出光面410。由于该出光面410具有相比于外界空气较高的温度，则即时在天气寒冷地带，该出光面410可即时融化飘洒在其表面的积雪或者冰霜，不会被积雪或者冰霜掩盖。 
请再参阅图4-5，示出了本发明第二实施例的LED发光装置60a。其与第一实施例不同之处在于本实施例中的LED发光装置60a为一户外广告灯，该发光二极管10的分布根据广告效果分布。该LED发光装置60a的多个发光二极管10直接贴设于该出光窗41的透光部44的边缘位置，并利用该出光窗41的外框架与LED发光装置60a的导电部分进行电性连接。并且本实施例中的LED发光装置60a所包括的反射器50a为一方形板体状，其反射面51a为一平面。由于LED发光装置60a可以即时融化其出光面410积雪，则在寒冷气候也能正常运作，满足客户一年四季的广告需求。 

Claims (10)

1.一种LED发光装置，其包括发光二极管、外壳以及光调节器，该发光二极管具有主出光面以及与该主出光面相对的散热面，其特征在于：该外壳包括出光窗，该出光窗具有出光面，该发光二极管的散热面固定于该出光窗上，而其主出光面朝向该光调节器，工作时，该发光二极管发出的热量传递至出光窗的出光面，而其发出的光线射向该光调节器，并经过光调节器的调节后改变方向从出光窗的出光面出射。
2.如权利要求1所述的LED发光装置，其特征在于：该发光二极管包含基板及设于该基板上的LED芯片，该基板远离该LED芯片的表面形成该散热面，该LED芯片远离该基板的方向形成该主出光面。
3.如权利要求1所述的LED发光装置，其特征在于：该出光窗包括透光部，光线通过该透光部从出光窗的出光面出射。
4.如权利要求3所述的LED发光装置，其特征在于：该出光窗还包括支架，该发光二极管固定在该支架上。
5.如权利要求4所述的LED发光装置，其特征在于：发光二极管为多个，该支架呈十字交叉状，这些发光二极管固定于支架的各支及中部位置。
6.如权利要求3所述的LED发光装置，其特征在于：发光二极管为多个，多个发光二极管贴着在该透光部上。
7.如权利要求1所述的LED发光装置，其特征在于：该光调节器为一反射器，其朝向该发光二极管的主出光面形成一反射面，该反射面反射由该主出光面出射的光线至出光窗，并从出光窗的出光面出射。
8.如权利要求7所述的LED发光装置，其特征在于：该反射器呈一半球面，其沿着远离该光调节器的方向凸起。
9.如权利要求7所述的LED发光装置，其特征在于：该反射器为一平面。
10.如权利要求1述的LED发光装置，其特征在于：发光二极管为多个，多个发光二极管贴着在该出光窗的边缘位置。
CN201210107937.XA 2012-04-13 2012-04-13 Led发光装置 Expired - Fee Related CN103378077B (zh)

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CN201210107937.XA CN103378077B (zh) 2012-04-13 2012-04-13 Led发光装置
TW101113891A TW201342675A (zh) 2012-04-13 2012-04-19 Led發光裝置
US13/859,752 US8926125B2 (en) 2012-04-13 2013-04-10 LED lighting apparatus having snow melting function

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CN105090899A (zh) * 2014-05-19 2015-11-25 江苏豪迈照明科技有限公司 管型基元led及其封装方法

Citations (2)

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Publication number Priority date Publication date Assignee Title
CN201373271Y (zh) * 2009-02-05 2009-12-30 史杰 高效散热的大功率led办公照明灯具
US20110141731A1 (en) * 2009-12-11 2011-06-16 POWER LIGHT Tech. Co., Ltd. Reflection-type light-emitting assembly

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Publication number Priority date Publication date Assignee Title
US6840655B2 (en) * 2003-06-06 2005-01-11 Ya-Kuang Shen LED light set
US20100181591A1 (en) * 2007-06-29 2010-07-22 Abel Systems Incorporation Led illumination device using diffraction member
US8159131B2 (en) 2008-06-30 2012-04-17 Bridgelux, Inc. Light emitting device having a transparent thermally conductive layer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201373271Y (zh) * 2009-02-05 2009-12-30 史杰 高效散热的大功率led办公照明灯具
US20110141731A1 (en) * 2009-12-11 2011-06-16 POWER LIGHT Tech. Co., Ltd. Reflection-type light-emitting assembly

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US20130271984A1 (en) 2013-10-17

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