CN104505450A - 高光效的无极灯 - Google Patents
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Abstract
本发明公开一种高光效的无极灯,所述的高光效的无极灯包括最外层的氧化铝涂层、中间层的磁性材料层和最下层的荧光三基色粉层,所述氧化铝涂层、磁性材料层和荧光三基色粉层依次黏合在一起,所述氧化铝涂层的厚度为4mm。本发明提供一种高光效的无极灯,具有长寿命、高光效、高显色性的优点。
Description
技术领域
本发明涉及一种高光效的无极灯。
背景技术
LED(Light Emitting Diode),发光二极管,是一种能够将电能转化为可见光的固态的半导体器件,它可以直接把电转化为光。LED的心脏是一个半导体的晶片,晶片的一端附在一个支架上,一端是负极,另一端连接电源的正极,使整个晶片被环氧树脂封装起来。半导体晶片由两部分组成,一部分是P型半导体,在它里面空穴占主导地位,另一端是N型半导体,在这边主要是电子。但这两种半导体连接起来的时候,它们之间就形成一个P-N结。当电流通过导线作用于这个晶片的时候,电子就会被推向P区,在P区里电子跟空穴复合,然后就会以光子的形式发出能量,这就是LED灯发光的原理。而光的波长也就是光的颜色,是由形成P-N结的材料决定的。
最初LED用作仪器仪表的指示光源,后来各种光色的LED在交通信号灯和大面积显示屏中得到了广泛应用,产生了很好的经济效益和社会效益。以12英寸的红色交通信号灯为例,在美国本来是采用长寿命,低光视效能的140瓦白炽灯作为光源,它产生2000流明的白光。经红色滤光片后,光损失90%,只剩下200流明的红光。而在新设计的灯中,Lumileds公司采用了18个红色LED光源,包括电路损失在内,共耗电14瓦,即可产生同样的光效。汽车信号灯也是LED光源应用的重要领域。
对于一般照明而言,人们更需要白色的光源。1998年发白光的LED开发成功。这种LED是将GaN芯片和钇铝石榴石(YAG)封装在一起做成。GaN芯片发蓝光(λp=465nm,Wd=30nm),高温烧结制成的含Ce3+的YAG荧光粉受此蓝光激发后发出黄色光射,峰值550nLED灯m。蓝光LED基片安装在碗形反射腔中,覆盖以混有YAG的树脂薄层,约200-500nm。 LED基片发出的蓝光部分被荧光粉吸收,另一部分蓝光与荧光粉发出的黄光混合,可以得到得白光。对于InGaN/YAG白色LED,通过改变YAG荧光粉的化学组成和调节荧光粉层的厚度,可以获得色温3500-10000K的各色白光。这种通过蓝光LED得到白光的方法,构造简单、成本低廉、技术成熟度高,因此运用最多。
发明内容
本发明提供一种具有长寿命、高光效、高显色性优点的高光效的无极灯。
本发明的技术方案是:一种高光效的无极灯,所述的高光效的无极灯包括最外层的氧化铝涂层、中间层的磁性材料层和最下层的荧光三基色粉层,所述氧化铝涂层、磁性材料层和荧光三基色粉层依次黏合在一起,所述氧化铝涂层的厚度为4mm。
在本发明一个较佳实施例中,所述荧光三基色粉层的厚度为3mm。
在本发明一个较佳实施例中,所述氧化铝涂层、磁性材料层和荧光三基色粉层的厚度比例为2:1:2。
本发明的一种高光效的无极灯,具有长寿命、高光效、高显色性的优点。
附图说明
附图1为本发明高光效的无极灯一较佳实施例的立体结构示意图。
附图中各部件的标记如下:1、最上层,2、中间层,3、最下层。
具体实施方式
下面结合附图对发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
其中,所述的高光效的无极灯包括最外层1的氧化铝涂层、中间层2的磁性材料层和最下层3的荧光三基色粉层,所述氧化铝涂层、磁性材料层和荧光三基色粉层依次黏合在一起,所述氧化铝涂层的厚度为4mm,所述荧光三基色粉层的厚度为3mm,所述氧化铝涂层、磁性材料层和荧光三基色粉层的厚度比例为2:1:2。
进一步说明,在铝矿的主成份铁铝氧石中,氧化铝的含量最高。铝与空气中的氧气反应,生成一层致密的氧化铝薄膜覆盖在暴露于空气中铝表面。铝为电和热的良导体。氧化铝的晶体形态因为硬度高,适合用作研磨材料及切割工具。氧化铝粉末常用作色层分析的媒介物。抛光粉,高温烧结的氧化铝,称人造刚玉或人造宝石,可制机械轴承或钟表中的钻石。氧化铝也用作高温耐火材料,制耐火砖、坩埚、瓷器、人造宝石等,氧化铝也是炼铝的原料。煅烧氢氧化铝可制得具有强吸附力和催化活性,可做吸附剂和催化剂。刚玉桶状或锥状的三方晶体。有玻璃光泽或金刚光泽。密度为3.9~4.1g/cm3,硬度9,熔点2000±15℃。不溶于水,也不溶于酸和碱。耐高温。无色透明者称白玉,含微量三价铬的显红色称红宝石;含二价铁、三价铁或四价钛的显蓝色称蓝宝石;含少量四氧化三铁的显暗灰色、暗黑色称刚玉粉。可用做精密仪器的轴承,钟表的钻石、砂轮、抛光剂、耐火材料和电的绝缘体。色彩艳丽的可做装饰用宝石。人造红宝石单晶可制激光器的材料。除天然矿产外,可用氢氧焰熔化氢氧化铝制取。
在进一步说明,由于灯泡内部没有灯丝或电极,因此光源的寿命仅取决于灯的电子线路和灯泡的制造技术,一般寿命可达6万~10万小时。高效节能。免维护,长寿命,寿命≥60000小时。辐射同样的光通量,耗电量仅为白炽灯的1/6,光效能达到65Lm/W。无极灯没有灯丝和电极,按“木桶原理”寿命主要取决于电解电容的寿命和荧光粉的自然衰减,寿命可达60000小时以上,是白炽灯的60倍,卤素灯20倍。与普通白炽灯相比,节能80﹪以上。采用荧光三基色粉,电光转换效率高即光效高,显色指数大于80,光线柔和,光色度接近太阳光,低眩光,呈现被照物体的自然色泽。本发明提供一种高光效的无极灯,具有长寿命、高光效、高显色性的优点。
本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本领域的技术人员在本发明所揭露的技术范围内,可不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求书所限定的保护范围为准。
Claims (3)
1.一种高光效的无极灯,其特征在于:所述的高光效的无极灯包括最外层的氧化铝涂层、中间层的磁性材料层和最下层的荧光三基色粉层,所述氧化铝涂层、磁性材料层和荧光三基色粉层依次黏合在一起,所述氧化铝涂层的厚度为4mm。
2.根据权利要求1所述的高光效的无极灯,其特征在于:所述荧光三基色粉层的厚度为3mm。
3.根据权利要求1所述的高光效的无极灯,其特征在于:所述氧化铝涂层、磁性材料层和荧光三基色粉层的厚度比例为2:1:2。
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CN110114731A (zh) * | 2016-12-23 | 2019-08-09 | 柯马杜股份有限公司 | 降低了摩擦的轴支撑轴承 |
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EP1670035A1 (en) * | 2004-10-06 | 2006-06-14 | Osram Sylvania Inc. | Electrodeless lamp with incorporated reflector |
CN101872712A (zh) * | 2010-05-17 | 2010-10-27 | 张家港市恒天科技有限公司 | 泡型无极灯及其散热结构 |
CN204243082U (zh) * | 2014-12-22 | 2015-04-01 | 常熟史美特节能照明技术有限公司 | 高光效的无极灯 |
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EP1670035A1 (en) * | 2004-10-06 | 2006-06-14 | Osram Sylvania Inc. | Electrodeless lamp with incorporated reflector |
CN101872712A (zh) * | 2010-05-17 | 2010-10-27 | 张家港市恒天科技有限公司 | 泡型无极灯及其散热结构 |
CN204243082U (zh) * | 2014-12-22 | 2015-04-01 | 常熟史美特节能照明技术有限公司 | 高光效的无极灯 |
Cited By (2)
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CN110114731A (zh) * | 2016-12-23 | 2019-08-09 | 柯马杜股份有限公司 | 降低了摩擦的轴支撑轴承 |
CN110114731B (zh) * | 2016-12-23 | 2021-04-02 | 柯马杜股份有限公司 | 降低了摩擦的轴支撑轴承 |
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