CN203249033U - Led灯泡 - Google Patents
Led灯泡 Download PDFInfo
- Publication number
- CN203249033U CN203249033U CN 201320229074 CN201320229074U CN203249033U CN 203249033 U CN203249033 U CN 203249033U CN 201320229074 CN201320229074 CN 201320229074 CN 201320229074 U CN201320229074 U CN 201320229074U CN 203249033 U CN203249033 U CN 203249033U
- Authority
- CN
- China
- Prior art keywords
- light
- led
- bulb
- light source
- source board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound 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[P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Abstract
本实用新型揭示了一种LED灯泡，包括灯头体、灯泡壳及三个或三个以上的光源板，该灯泡壳的底部罩设在该灯头体的顶部上，每个光源板的正面分别设有LED光源，每个光源板的正面分别朝向该灯泡壳的底部设置，所述光源板呈环形排列设置在该灯头体的顶部，所述光源板的正面彼此相对设置，所述光源板的高度低于该灯泡壳底部的高度。该LED灯泡具有均匀发光的优点。
Description
LED灯泡
技术领域
[0001] 本实用新型涉及LED照明领域，特别涉及一种LED灯泡。
背景技术
[0002] LED光源作为第三代照明光源已经被广泛的运用于室内照明中。近年来，越来越多的人希望将LED光源做成类似白炽灯的样子，然而由于LED光源固有的发光特性，使得其无法实现白炽灯的发光角度，使得LED灯泡很难完全替代白炽灯，例如，公开日为2012.01.25的申请号为201110264489.X的中国发明专利申请揭示了一种LED灯，该LED灯包括一灯体、一散热器、一 LED灯板和一灯罩，该LED灯板包括LED光源和基板，这些LED光源平铺在该基板上，该基板设置在该灯体的顶部，并被该灯罩罩住。由于该LED灯的LED光源平铺在该LED灯板的基板上，而LED光源固有的发光特性使得其发光角度在120°区间内，这就使得罩设在该LED灯板上方的灯罩中，靠近该灯体的侧壁只有少部分光线照射到。从而在该灯罩的底部会产生暗区，从而使得该LED灯整体发光角度较小。
实用新型内容
[0003] 有鉴于此，有必要提供一种光分布均匀的LED灯泡。
[0004] 本实用新型采用的技术方案为:一种LED灯泡，包括灯头体、灯泡壳及三个或三个以上的光源板，该灯泡壳的底部罩设在该灯头体的顶部上，每个光源板的正面分别设有LED光源，每个光源板的正面分别朝向该灯泡壳的底部设置，所述光源板呈环形排列设置在该灯头体的顶部，所述光源板的正面彼此相对设置，所述光源板的高度低于该灯泡壳底部的高度。
`[0005] 与现有技术相比，该LED灯泡在其灯头体的顶部设置多个环形排列的光源板，使每个光源板的正面分别朝向该灯泡壳的底部设置且光源板的正面彼此相对设置，这样，这些光源板正面的LED光源发出的光就能直接照射到该灯泡壳的底部，而由于LED光源一般具有120°以上的发光角度，该灯泡壳的顶部也会被照亮。这就使得这些LED光源发出的光能更均匀地照射到该灯泡壳上，从而避免了现有技术中灯泡壳上出现的暗区，使得该LED灯泡具有均匀发光的优点。
附图说明
[0006] 图1是本实用新型第一实施例的LED灯泡的立体分解图。
[0007] 附图标记说明:
[0008] 100 LED灯泡 222 正面[0009] 10 灯头体 24 LED光源[0010] 20 光源板 30 灯泡壳[0011] 22 基板 40 反光板具体实施方式
[0012] 下面结合附图与具体实施方式对本实用新型作进一步详细描述。
[0013] 图1为本实用新型第一实施例LED灯泡100的立体分解图，该LED灯泡100包括灯头体10、三个光源板20、灯泡壳30、和反光板40。这些光源板20和该反光板40设置在该灯头体10的顶面，该灯泡壳30底部固定在该灯头体10的顶部，将这些光源板20和该反光板40收纳在里面。
[0014] 请参考图1，这些LED光源板20为陶瓷基板，每个光源板20均包括一个基板22和多个LED光源24。该基板22的正面222设有反射层(图未示)，该反射层用于反射这些LED光源24发出的部分光。每个光源板20上的LED光源24沿平行与该灯头体10顶部的方向排列。每个光源板20分别与该灯头体10的顶部热连接。这些光源板20均为长方形薄板结构且分别首尾相接设置在该灯头体10的顶部，形成一个闭合的环。这些光源板20的正面222彼此相对设置，且这些光源板20的正面222分别朝向该灯泡壳30的底部设置。该LED光源24为一突光粉层(图未不)封装多颗LED光源而形成的面光源。由于这些光源板20呈环形排列，所以正面222上的LED光源24将均匀照亮该灯泡壳30的所有底部。
[0015] 请参考图1，该灯泡壳30为过半球泡壳，该灯泡壳30的底部罩设在该灯头体10的顶部。该灯泡壳30上设有光透过散射性材料。该光透过散射性材料用于将这些LED光源24发出的光发散到外部空间。这些光源板24在该灯头体10上的高度低于该灯泡壳30底部的高度，以便光能照到该灯泡壳30的底部区域。由于这些光源板20的正面分别朝向该灯泡壳30的底部设置，其上的LED光源24发出光将直接照射在该灯泡壳30的底部，从而使得该灯泡壳30的底部较亮。由于该该灯泡壳30底部的尺寸大于该灯头体10，故其上的光透过散射材料将会把穿过该灯泡壳30底部的光沿朝向该灯头体10的方向发射。
[0016] 请参考图1，该灯头体10的顶面涂覆有反光层以形成该反光板40。该反光板40为薄板结构。优选的，该反光板40由散热材质制成，例如陶瓷等。该反光板40设置在该灯头体10的顶面中央。这些光源板20围绕该反光板40呈环形排列设置在该反光板40的周边。优选的，这些光源板20围绕该反光板40等角度间隔设置。该反光板40用于将这些光源板20正面的LED光源24发出的光向着该灯泡壳30的顶部方向反射。
[0017] 工作时，由于这些光源板20首尾相连形成一个闭合的环，且这些光源板20的正面设有反射层，所以，这些LED光源24发出的光一部分直接照射到该灯泡壳30的底部，另一部分经过该反光板40及反射层的反射，向着该灯泡壳30的顶部方向发射。这样，该灯泡壳30的顶部及底部均被光照亮，从而使得该LED灯泡100能实现大角度发光，发光角度可达240。至 300。。
[0018] 综上所述，该LED灯泡100在其灯头体10的顶部设置多个环形排列的光源板20，使每个光源板20的正面222分别朝向该灯泡壳30的底部设置且光源板20的正面222彼此相对设置，这样，这些光源板20正面222的LED光源24发出的光就能直接照射到该灯泡壳30的底部，而由于LED光源24具有120°以上的发光角度，该灯泡壳30的顶部也会同时被照亮。这就使得这些LED光源24发出的光能更均匀地照射到该灯泡壳30上，从而避免了现有技术中灯泡壳30上出现的暗区，使得该LED灯泡100具有均匀发光的优点。另外，通过设置该反光板40，可使这些光源板20的LED光源24发出的光能更多地被反射到该灯泡壳30的顶部，使得该LED灯泡100光分布更均匀。此外，由于这些光源板20的正面222设有反射层(图未示)，这些LED光源24发出的部分光通过该反射层反射到该灯泡壳30上发散到外部空间，从而减少了光损失，增强了整灯的光通量。此外，由于该LED灯泡100的LED光源板20为陶瓷基板，每个光源板20分别与该灯头体10的顶部热连接，每个光源板20上的LED光源24沿平行与该灯头体10顶部的方向排列，从而可将这些LED光源24在发光过程中产生的热量通过该光源板20和该灯头体10散发到空气中，缩短传热路径，提升传热效率。
[0019] 可以理解的，该光源板20的个数可以为多个。该光源板20还可以设置成环状结构，这样光源板仅需要设置一块。环状结构的光源板可以使得该灯泡壳周边的光分布更均匀，而不易产生暗区。
[0020] 以上这些仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本实用新型保护的范围之内。
Claims (10)
1.一种LED灯泡，包括灯头体、灯泡壳及三个或三个以上的光源板，该灯泡壳的底部罩设在该灯头体的顶部上，每个光源板的正面分别设有LED光源，其特征在于，每个光源板的正面分别朝向该灯泡壳的底部设置，所述光源板呈环形排列设置在该灯头体的顶部，所述光源板的正面彼此相对设置，所述光源板的高度低于该灯泡壳底部的高度。
2.根据权利要求1所述的LED灯泡，其特征在于:所述光源板均为长方形薄板结构，每个光源板上的LED光源沿平行与该灯头体顶部的方向排列。
3.根据权利要求1所述的LED灯泡，其特征在于:所述光源板的正面分别设有反射层。
4.根据权利要求1至3中任一项所述的LED灯泡，其特征在于:所述光源板分别首尾相接设置。
5.根据权利要求1所述的LED灯泡，其特征在于:所述LED光源均为面光源。
6.根据权利要求1所述的LED灯泡，其特征在于:所述LED光源板为陶瓷基板，所述光源板分别与该灯头体的顶部热连接。
7.根据权利要求1至3中任一项所述的LED灯泡，其特征在于:该灯泡壳上设有光透过散射性材料。
8.根据权利要求1所述的LED灯泡，其特征在于:该灯泡壳为过半球泡壳。
9.根据权利要求1所述的LED灯泡，其特征在于:还包括反光板，该反光板设置在该灯头体的顶部，该反光板用于将该光源板正面的LED光源发出的光向着灯泡壳顶部的方向反射。
10.根据权利要求9所述的LED灯泡，其特征在于:该灯头体的顶面涂覆有反光层以形成该反光板。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103234129A (zh) * | 2013-04-28 | 2013-08-07 | 立达信绿色照明股份有限公司 | Led灯泡 |
| CN106247190A (zh) * | 2015-11-13 | 2016-12-21 | 漳州立达信光电子科技有限公司 | Led灯泡 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103234129A (zh) * | 2013-04-28 | 2013-08-07 | 立达信绿色照明股份有限公司 | Led灯泡 |
| CN103234129B (zh) * | 2013-04-28 | 2016-04-20 | 立达信绿色照明股份有限公司 | Led灯泡 |
| CN106247190A (zh) * | 2015-11-13 | 2016-12-21 | 漳州立达信光电子科技有限公司 | Led灯泡 |
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