CN201014273Y - 一种集成封装的led日光灯 - Google Patents
一种集成封装的led日光灯 Download PDFInfo
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- CN201014273Y CN201014273Y CNU2007201238898U CN200720123889U CN201014273Y CN 201014273 Y CN201014273 Y CN 201014273Y CN U2007201238898 U CNU2007201238898 U CN U2007201238898U CN 200720123889 U CN200720123889 U CN 200720123889U CN 201014273 Y CN201014273 Y CN 201014273Y
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
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- 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]
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- Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
本实用新型提出一种集成封装的LED日光灯，它具有玻璃灯管、灯头和引脚共同组成的日光灯管和集成封装的LED发光元件。集成封装的LED元件由印刷线路板、LED芯片和具有反射腔的塑料反射盖构成。印刷线路板与引脚采用导线进行电连接，LED芯片直接焊接在印刷线路板上，带反射腔的塑料反射盖盖在印刷电路板上，各LED芯片一一落入对应的反射腔内，在每个LED芯片上覆盖有荧光粉配料层和圆球状光学环氧树脂层。本LED日光灯不仅可以与现有荧光灯管在外形结构上有完全的可互换性，实现长寿命、低功耗、高光效以及在生产和使用中绿色环保的目标，而且可以在单位面积内布置更多的LED发光芯片并最大限度降低LED白光元件的封装成本，使其更加接近市场需求。
Description
技术领域
本实用新型属于LED光源照明技术领域。
背景技术
目前的荧光灯管照明普遍采用的玻璃灯管内壁涂敷荧光材料并且在灯管内灌充汞蒸汽的方式。这种方式较原有的钨丝固体发光方式在光电转换效率上有很大的提高，已经在全世界广泛采用，但是汞金属对环境的污染众所周知，符合社会经济的环保发展要求。
LED作为一种新型发光材料已经广泛应用于彩灯照明、信号显示等各个领域，是一种新型高效、绿色环保的发光材料，但如何结合传统的照明方式，更加广泛地应用于普通照明领域还有许多的技术问题。
发明内容
本实用新型目的是提供一种与现有荧光灯管结构与外形尺寸都完全一致的LED日光灯，并且采用一种集成封装的白光LED元件，不仅可以与现有荧光灯管在外形结构上有完全的可互换性，实现长寿命、低功耗、高光效以及在生产和使用中都完全绿色环保的目标。而且可以在单位面积内布置更多的LED发光芯片并且最大限度降低LED白光元件的封装成本，从而使这种LED日光灯产品更加接近市场需求。
本实用新型的技术方案如下：
一种LED日光灯，它具有玻璃灯管、两端的灯头和引脚共同组成的日光灯管，在玻璃灯管内置集成封装的LED发光元件。
集成封装的LED元件由带电子电路的印刷线路板、LED芯片和具有反射腔的塑料反射盖构成；印刷线路板与引脚采用导线进行电连接，LED芯片直接焊接在印刷线路板上，带反射腔的塑料反射盖盖在单面印刷电路板上，各LED芯片一一落入对应的反射腔内，在每个LED芯片上覆盖有一荧光粉配料层，荧光粉配料层之上有圆球状光学环氧树脂层。
所述印刷线路板为长条状，两侧与玻璃灯管内壁接触部位有橡胶接触垫，以固定线路板在玻璃管中的位置，并且避免印刷线路板与灯管内壁刚性接触而导致损坏玻璃灯管。
本实用新型的优点：
1、利用半导体照明材料LED发光二极管作为日光灯的光源，可以实现真正长寿命、低功耗、高光效、免维护。
2、采用玻璃灯管，比各种有机光学材料都有更好的光学性能，并且制造成本更低。
3、日光灯管可以完全采用原有荧光灯管的玻璃灯管材料和尺寸，玻璃灯管内无须涂敷任何材料，灯管两边仍然采用原有尺寸的灯头，以导线实现印刷线路板与灯头之间的有效连接，制成与现有荧光灯管外形尺寸完全一致的LED灯管，与使用者传统的使用习惯和审美习惯一致，更容易被市场接受。
4、在制造与使用过程中都具有完全绿色环保的特色。
5、采用集成封装的LED元件可以在单位面积内布置更多的LED发光芯片并且最大限度降低LED白光元件的封装成本，从而使这种LED日光灯产品更加接近市场需求。
6、取消了原日光灯管必须高压击发，在不同电压状态下必须采用整流器，启辉器，逆变器等复杂的驱动电路，通过采用不同电压驱动的电子电路，内置于印刷线路板上，适用于普通220V，110V或者36V、24V、12V等交、直流供电。
附图说明
图1：为本LED日光灯管的外形图；
图2：为本LED日光灯管的剖面图；
图3：为本LED日光灯管的截面图；
图4：为集成封装的白光LED元件平面图；
图5：为集成封装的白光LED元件截面图。
具体实施方式
现结合附图进一步说明本实用新型的结构：
参见图1，本LED日光灯管采用玻璃材料制作灯管1，采用与传统荧光灯管外形一致的灯头2和引脚3。参见图2，在灯管1内置带电子电路6的印刷线路板4，印刷线路板4上集成封装白光LED芯片形成集成封装的LED元件。将印刷线路板4与灯头2上的连接件7固定在一起，印刷线路板4与灯头2上的引脚3采用导线连接，完成电路连接。印刷线路板4为长条状，结合截面图3可见，印刷线路板4两侧与玻璃灯管内壁接触部位固定橡胶接触垫8，使印刷线路板不与灯管内壁发生刚性接触可防止线路板损坏灯管，同时也可防止线路板在灯管内的灯头远端移位。
参见图4，集成封装白光LED元件由印刷线路板4、LED芯片11和带圆孔反射腔10的塑料反射盖9构成，印刷线路板4为单面印刷电路板。参见图5，先将带圆孔反射腔的塑料反射盖9盖在印刷电路板4上，LED芯片直接焊接线路板上，对应落入各圆孔反射腔10内，然后在圆孔反射腔10内、LED芯片11外围点注荧光粉配料层12，在荧光粉配料层12固化后再点入球状光学环氧树脂层13密封固化。
Claims (4)
1.一种集成封装的LED日光灯，它具有玻璃灯管、两端的灯头和引脚共同组成的日光灯管，其特征在于：在玻璃灯管内置有集成封装的LED发光元件。
2.根据权利要求1所述的集成封装的LED日光灯，其特征在于：集成封装的LED元件由带电子电路的印刷线路板、LED芯片和具有反射腔的塑料反射盖构成；印刷线路板与引脚采用导线进行电连接，LED芯片直接均匀焊接线路板上，带反射腔的塑料反射盖盖在单面印刷电路板上，各LED芯片一一落入对应的反射腔内，在每个LED芯片覆盖有一荧光粉配料层，荧光粉配料层之上有圆球状光学环氧树脂层。
3.根据权利要求2所述的集成封装的LED日光灯，其特征在于：线路板采用单面印刷电路板。
4.根据权利要求2或3所述的集成封装的LED日光灯，其特征在于：所述印刷线路板为长条状，两侧与玻璃灯管内壁接触部位有橡胶接触垫。
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| CNU2007201238898U CN201014273Y (zh) | 2007-03-28 | 2007-03-28 | 一种集成封装的led日光灯 |
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| CNU2007201238898U CN201014273Y (zh) | 2007-03-28 | 2007-03-28 | 一种集成封装的led日光灯 |
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| WO2009009932A1 (en) * | 2007-07-17 | 2009-01-22 | Shaofan Chen | An light emitting diode integrating lamp tube |
| WO2010078805A1 (zh) * | 2008-12-29 | 2010-07-15 | 宁波福泰电器有限公司 | 一种led灯 |
| EP2216859A1 (en) | 2009-02-06 | 2010-08-11 | Tyco Electronics Corporation | End cap assembly for a light tube |
| EP2525131A1 (en) * | 2011-05-16 | 2012-11-21 | Chiu-Min Lin | LED lamp and LED holder cap thereof |
| WO2013106997A1 (zh) * | 2012-01-17 | 2013-07-25 | 无锡市爱尔电子有限公司 | Led日光灯 |
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