WO2016127673A1 - 立体发光式led点光源以及照明装置 - Google Patents

立体发光式led点光源以及照明装置 Download PDF

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WO2016127673A1
WO2016127673A1 PCT/CN2015/093851 CN2015093851W WO2016127673A1 WO 2016127673 A1 WO2016127673 A1 WO 2016127673A1 CN 2015093851 W CN2015093851 W CN 2015093851W WO 2016127673 A1 WO2016127673 A1 WO 2016127673A1
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light source
point light
led point
fluorescent ceramic
electrode
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PCT/CN2015/093851
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French (fr)
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高鞠
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苏州晶品新材料股份有限公司
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements

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  • the invention relates to the field of illumination technology, in particular to a stereo illumination type LED point light source and an illumination device using the same.
  • a Light-Emitting Diode is a semiconductor electronic component that emits light. This kind of electronic component appeared as early as 1962. In the early days, it only emitted low-light red light. Later, it developed other versions of monochromatic light. The light that has been emitted so far has spread all over visible light, infrared light and ultraviolet light, and the luminosity has increased to equivalent. The luminosity. The use is also used as an indicator light, display panel, etc.; with the continuous advancement of technology, light-emitting diodes have been widely used in displays, television lighting decoration and lighting.
  • An object of the present invention is to provide a stereoscopic LED point light source and an illumination device using the same.
  • the present invention provides a stereoscopic LED point light source comprising: a fluorescent ceramic, a light emitting chip, and an electrode;
  • the fluorescent ceramic has a front side and a back side, and the light emitting chips are respectively coupled to the front and back sides of the fluorescent ceramic; the light emitting chip on either side has a plurality of electrically connected LEDs, and the plurality of LEDs have a spacing, and a plurality of LEDs are densely arranged in an array on the fluorescent ceramic, the plurality of LEDs being combined by a silica gel and a phosphor or a resin and a phosphor and sealed on the fluorescent ceramic;
  • the electrodes are respectively disposed on the front and back sides of the fluorescent ceramic, and the electrodes are electrically connected to the LEDs of the light-emitting chips on the surface.
  • the fluorescent ceramic is a transparent ceramic substrate which is one of alumina, YAG, ZnO or AlON.
  • the fluorescent ceramic contains a trace rare earth luminescent material, and the molar ratio of the trace rare earth luminescent material is less than 1%.
  • the fluorescent ceramic has a thickness of 0.3 to 3 mm.
  • the spacing between the LEDs in any of the light-emitting chips is less than or equal to the length of the LED itself.
  • the LED in any of the light-emitting chips may be combined with the fluorescent ceramic by plastic sealing or filming.
  • the electrode is combined with the fluorescent ceramic by printing, or sintering, or electroplating, or vacuum coating, and the combination of the electrode and the fluorescent ceramic
  • the range of force is 5Mpa to 20Mpa.
  • the electrode is a metal electrode
  • the metal electrode is one of silver, copper, gold, nickel, and aluminum.
  • the present invention also provides a lighting device comprising: a stereoscopic LED point light source, a driving unit, and a light emitting cover according to the above;
  • the stereoscopic LED point light source is disposed at a focus position of the illuminating lamp cover, and the driving unit is combined with an electrode of the stereo illuminating LED point light source.
  • the drive unit is combined with the electrode by contact, or welding, or cementing.
  • the beneficial effect of the present invention is that the stereoscopic LED point light source of the present invention has the advantages of high illumination intensity, small illumination volume, and dense distribution of light-emitting points, and the three-dimensional illumination when illuminated A larger illumination angle facilitates direct replacement of the light source in a conventional body light source illumination system.
  • FIG. 1 is a schematic plan view showing a specific embodiment of a stereoscopic LED point light source according to the present invention
  • Figure 2 is a side view of the stereoscopic LED point light source of Figure 1;
  • FIG 3 is a schematic plan view of a specific embodiment of a lighting device of the present invention.
  • the stereoscopic LED point light source 100 of the present invention comprises: a fluorescent ceramic 10 and a light emitting chip. 20. And electrode 30.
  • the fluorescent ceramic 10 is a transparent ceramic substrate which may contain a trace amount of a rare earth luminescent material such as Ce or Eu. The proportion of the trace rare earth luminescent material is less than 1% (molar ratio).
  • the transparent ceramic substrate is one of alumina, YAG, ZnO or AlON.
  • the fluorescent ceramics may be surface-polished, arc-etched, and coated to enhance optical properties as needed.
  • the fluorescent ceramic has a thickness of 0.3 to 3 mm.
  • the fluorescent ceramic 10 has a front side and a back side, and the light emitting chips 20 are bonded to the front and back sides of the fluorescent ceramic 10, respectively.
  • the light-emitting chip 20 on either side has a plurality of electrically connected LEDs 22, in particular a plurality of LEDs 22 are connected by wires on a gold wire or a ceramic surface.
  • the plurality of LEDs 22 have a spacing therebetween, and the plurality of LEDs 22 are densely arranged in an array on the fluorescent ceramics 10.
  • the plurality of LEDs 22 pass through a mixture 21 of silica gel and phosphor or resin and phosphor.
  • the mixture 21 is bonded and sealed on the fluorescent ceramic 10.
  • the stereoscopic LED point light source of the present invention has a high illumination intensity.
  • the spacing between the LEDs 22 in any of the light-emitting chips 20 is less than or equal to the length of the LEDs 22 themselves.
  • the LED 22 in any of the light-emitting chips 20 may be combined with the fluorescent ceramic 10 by plastic sealing or filming.
  • the electrodes 30 are respectively disposed on the front and back surfaces of the fluorescent ceramics 10, and the electrodes 30 are electrically connected to the LEDs 22 of the light-emitting chip 20 on the surface. Electrical energy can be delivered to the LEDs 22 through the electrodes 30 to illuminate them.
  • the electrode 30 of either side includes a positive electrode and a negative electrode.
  • the electrode 30 may be a metal electrode, and the metal electrode is one of silver, copper, gold, nickel, and aluminum. And the electrode 30 can be combined with the fluorescent ceramic by printing, or sintering, or electroplating, or vacuum coating, wherein the bonding force between the electrode 30 and the fluorescent ceramic 10 ranges from 5 MPa to ⁇ 20Mpa.
  • the present invention further provides an illumination device based on the above-described stereoscopic LED point light source, which particularly includes: a stereoscopic LED point light source 100, a driving unit 200, and a illuminating lamp cover 300 according to the above. .
  • the stereoscopic LED point light source 100 is disposed at a focus position of the illuminating lamp cover 300 to assist in enhancing the illumination effect of the point source.
  • the driving unit 200 is combined with an electrode in the stereoscopic LED point light source 100 to provide electrical energy for illumination for the point source.
  • the driving unit 200 and the electrode may be combined by contact, or welding, or cementing.
  • the stereoscopic LED point light source of the present invention has the advantages of high illumination intensity, small illumination volume, and dense distribution of light-emitting points, and the three-dimensional illumination when illuminated, has a large illumination angle, and is advantageous for direct Replace the light source in a traditional body light source illumination system.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Led Device Packages (AREA)

Abstract

提供了一种立体发光式LED点光源以及照明装置，其中立体发光式LED点光源（100）包括：荧光陶瓷（10）、发光芯片（20）、电极（30）；荧光陶瓷（10）具有正面和背面，发光芯片（20）分别结合于荧光陶瓷（10）的正面和背面，任一面上发光芯片（20）具有多个电性连接的LED（22），多个LED（22）之间具有间距，多个LED（22）以阵列形式密集排布于荧光陶瓷（10）上，多个LED（22）通过硅胶和荧光粉（21）或者树脂和荧光粉（21）结合并密封在荧光陶瓷（10）上面；电极（30）分别设置于荧光陶瓷（10）的正面和背面，电极（30）与所在表面的发光芯片（20）的LED（22）进行电性连接。LED点光源具有照明强度高、发光体积小、发光点分布较密集的优点。

Description

立体发光式LED点光源以及照明装置 技术领域
本发明涉及照明技术领域，尤其是一种立体发光式LED点光源、以及使用该点光源的照明装置。
背景技术
发光二极管(Light-Emitting Diode，LED)是一种能发光的半导体电子元件。这种电子元件早在1962年出现，早期只能发出低光度的红光，之后发展出其他单色光的版本，时至今日能发出的光已遍及可见光、红外线及紫外线，光度也提高到相当的光度。而用途也由初时作为指示灯、显示板等；随着技术的不断进步，发光二极管已被广泛的应用于显示器、电视机采光装饰和照明。
然而，现有的使用发光二极管的光源往往存在光源密度小、发光角度小等问题。从而，无法充分满足某些照明场所的使用需求。
因此，为解决上述问题，有必要提出进一步的解决方案。
发明内容
本发明的目的在于提供一种立体发光式LED点光源、以及使用该点光源的照明装置。
为实现上述目的，本发明提供一种立体发光式LED点光源，其包括：荧光陶瓷、发光芯片、以及电极；
所述荧光陶瓷具有正面和背面，所述发光芯片分别结合于所述荧光陶瓷的正面和背面；所述任一面上的发光芯片具有多个电性连接的LED，所述多个LED之间具有间距，且多个LED以阵列形式密集排布于荧光陶瓷上，所述多个LED通过硅胶和荧光粉或者树脂和荧光粉结合并密封在荧光陶瓷上面；
所述电极分别设置于所述荧光陶瓷的正面和背面，且所述电极与所在表面的发光芯片的LED进行电性连接。
作为本发明的立体发光式LED点光源的改进，所述荧光陶瓷为透明陶瓷基底，所述透明陶瓷基底为：氧化铝，YAG，ZnO或AlON中的一种。
作为本发明的立体发光式LED点光源的改进，所述荧光陶瓷含有微量稀土发光材料，所述微量稀土发光材料的摩尔比小于1％。
作为本发明的立体发光式LED点光源的改进，所述荧光陶瓷的厚度为0.3～3mm。
作为本发明的立体发光式LED点光源的改进，所述任一发光芯片中LED之间的间距小于或等于所述LED自身的长度。
作为本发明的立体发光式LED点光源的改进，所述任一发光芯片中LED还可通过塑封、或贴膜的方式与所述荧光陶瓷相结合。
作为本发明的立体发光式LED点光源的改进，所述电极通过印刷、或烧结、或电镀、或真空镀膜的方式与所述荧光陶瓷进行结合，所述电极与所述荧光陶瓷之间的结合力的范围为5Mpa～20Mpa。
作为本发明的立体发光式LED点光源的改进，所述电极为金属电极，所述金属电极为银、铜、金、镍、铝中的一种。
为实现上述目的，本发明还提供一种照明装置，其包括：根据如上所述的立体发光式LED点光源、驱动单元、以及发光灯罩；
所述立体发光式LED点光源设置于所述发光灯罩的焦点位置，所述驱动单元与所述立体发光式LED点光源中的电极相结合。
作为本发明的照明装置的改进，所述驱动单元与所述电极通过接触、或焊接、或胶结的方式进行结合。
与现有技术相比，本发明的有益效果是：本发明的立体发光式LED点光源具有照明强度高、发光体积小、且发光点分布较为密集的优点，其发光时为立体式发光，具有较大的照明角度，有利于直接替换传统体光源照明***中的光源。
附图说明
图1为本发明的立体发光式LED点光源的一具体实施方式的平面示意图；
图2为图1中立体发光式LED点光源的侧视图；
图3为本发明的照明装置的一具体实施方式的平面示意图。
具体实施方式
现在结合附图对本发明作进一步详细的说明。这些附图均为简化的示意图，仅以示意方式说明本发明的基本结构，因此其仅显示与本发明有关的构成。
如图1～3所示的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。
如图1、2所示，本发明的立体发光式LED点光源100包括：荧光陶瓷10、发光芯片 20、以及电极30。
所述荧光陶瓷10为透明陶瓷基底，其可含有微量稀土发光材料，例如Ce或Eu等。该微量稀土发光材料的比例小于1％(摩尔比)。所述透明陶瓷基底为：氧化铝，YAG，ZnO或AlON中的一种。此外，根据需要，还可对荧光陶瓷进行表面抛光、磨弧度、镀膜以增强光学性能。优选地，所述荧光陶瓷的厚度为0.3～3mm。
所述荧光陶瓷10具有正面和背面，所述发光芯片20分别结合于所述荧光陶瓷10的正面和背面。所述任一面上的发光芯片20具有多个电性连接的LED22，具体地多个LED22通过金线或陶瓷面上布线连接。其中，所述多个LED22之间具有间距，且多个LED22以阵列形式密集排布于荧光陶瓷10上，具体地，所述多个LED22通过硅胶和荧光粉的混合物21或者树脂和荧光粉的混合物21结合并密封在荧光陶瓷10上面。如此，使得本发明的立体发光式LED点光源具有较高的照明强度。优选地，所述任一发光芯片20中LED22之间的间距小于或等于所述LED22自身的长度。
上述实施方式中，所述任一发光芯片20中LED22还可通过塑封、或贴膜的方式与所述荧光陶瓷10相结合。
所述电极30分别设置于所述荧光陶瓷10的正面和背面，且所述电极30与所在表面的发光芯片20的LED22进行电性连接。通过电极30可向LED22输送电能，使其发光照明。任一面的电极30包括正极和负极。
所述电极30可以为金属电极，所述金属电极为银、铜、金、镍、铝中的一种。且所述电极30可通过印刷、或烧结、或电镀、或真空镀膜的方式与所述荧光陶瓷进行结合，其中，所述电极30与所述荧光陶瓷10之间的结合力的范围为5Mpa～20Mpa。
如图3所示，基于上述的立体发光式LED点光源，本发明还提供一种照明装置，其特包括：根据如上所述的立体发光式LED点光源100、驱动单元200、以及发光灯罩300。
其中，所述立体发光式LED点光源100设置于所述发光灯罩300的焦点位置，以辅助增强点光源的照明效果。所述驱动单元200与所述立体发光式LED点光源100中的电极相结合，为所述点光源提供照明用的电能。具体地，所述驱动单元200与所述电极可通过接触、或焊接、或胶结的方式进行结合。
综上所示，本发明的立体发光式LED点光源具有照明强度高、发光体积小、且发光点分布较为密集的优点，其发光时为立体式发光，具有较大的照明角度，有利于直接替换传统体光源照明***中的光源。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背 离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (10)

  1. 一种立体发光式LED点光源，其特征在于，所述立体发光式LED点光源包括：荧光陶瓷、发光芯片、以及电极；
    所述荧光陶瓷具有正面和背面，所述发光芯片分别结合于所述荧光陶瓷的正面和背面；所述任一面上的发光芯片具有多个电性连接的LED，所述多个LED之间具有间距，且多个LED以阵列形式密集排布于荧光陶瓷上，所述多个LED通过硅胶和荧光粉或者树脂和荧光粉结合并密封在荧光陶瓷上面；
    所述电极分别设置于所述荧光陶瓷的正面和背面，且所述电极与所在表面的发光芯片的LED进行电性连接。
  2. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述荧光陶瓷为透明陶瓷基底，所述透明陶瓷基底为：氧化铝，YAG，ZnO或AlON中的一种。
  3. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述荧光陶瓷含有微量稀土发光材料，所述微量稀土发光材料的摩尔比小于1％。
  4. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述荧光陶瓷的厚度为0.3～3mm。
  5. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述任一发光芯片中LED之间的间距小于或等于所述LED自身的长度。
  6. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述任一发光芯片中LED还可通过塑封、或贴膜的方式与所述荧光陶瓷相结合。
  7. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述电极通过印刷、或烧结、或电镀、或真空镀膜的方式与所述荧光陶瓷进行结合，所述电极与所述荧光陶瓷之间的结合力的范围为5Mpa～20Mpa。
  8. 根据权利要求1所述的立体发光式LED点光源，其特征在于，所述电极为金属电极，所述金属电极为银、铜、金、镍、铝中的一种。
  9. 一种照明装置，其特征在于，所述照明装置包括：根据权利要求1-8任一项所述的立体发光式LED点光源、驱动单元、以及发光灯罩；
    所述立体发光式LED点光源设置于所述发光灯罩的焦点位置，所述驱动单元与所述立体发光式LED点光源中的电极相结合。
  10. 根据权利要求9所述的照明装置，其特征在于，所述驱动单元与所述电极通过接触、或焊接、或胶结的方式进行结合。
PCT/CN2015/093851 2015-02-12 2015-11-05 立体发光式led点光源以及照明装置 WO2016127673A1 (zh)

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CN201510075658.3 2015-02-12

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CN107540369B (zh) * 2017-02-28 2020-05-15 江苏罗化新材料有限公司 发光陶瓷、led封装结构及发光陶瓷的制备方法
CN108689712B (zh) * 2018-06-26 2020-10-09 镭米光学科技（宁波）有限公司 一体式复合陶瓷荧光体及其制备方法

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