WO2014086232A1 - 可实现大角度发光的led球泡灯 - Google Patents

可实现大角度发光的led球泡灯 Download PDF

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Publication number
WO2014086232A1
WO2014086232A1 PCT/CN2013/087475 CN2013087475W WO2014086232A1 WO 2014086232 A1 WO2014086232 A1 WO 2014086232A1 CN 2013087475 W CN2013087475 W CN 2013087475W WO 2014086232 A1 WO2014086232 A1 WO 2014086232A1
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WIPO (PCT)
Prior art keywords
lamp
led bulb
led
heat sink
angle
Prior art date
Application number
PCT/CN2013/087475
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English (en)
French (fr)
Inventor
王化锋
王鹏
许礼
陈敏
Original Assignee
上海三思电子工程有限公司
上海三思科技发展有限公司
嘉善三思光电技术有限公司
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Application filed by 上海三思电子工程有限公司, 上海三思科技发展有限公司, 嘉善三思光电技术有限公司 filed Critical 上海三思电子工程有限公司
Priority to CA2893461A priority Critical patent/CA2893461C/en
Priority to EP13861476.3A priority patent/EP2910845B1/en
Priority to US14/648,761 priority patent/US20150300579A1/en
Priority to ES13861476.3T priority patent/ES2640364T3/es
Publication of WO2014086232A1 publication Critical patent/WO2014086232A1/zh
Priority to CY20171100966T priority patent/CY1120071T1/el

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Classifications

    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
    • F21V29/717—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements using split or remote units thermally interconnected, e.g. by thermally conductive bars or heat pipes
    • 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
    • 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
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21K9/65—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
    • 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
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/108—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using hook and loop-type fasteners
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/86—Ceramics or 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
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • 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]

Definitions

  • the utility model relates to the field of LED illumination, and more particularly to an LED bulb which can realize large-angle illumination. Background technique
  • LEDs are increasingly used in the field of lighting, bulbs that use LEDs as a light source are gradually replacing traditional tungsten-light bulbs.
  • the illumination angle is limited to a certain range. Therefore, the application of the LED as the light source is greatly limited, and it must be re-dispensed with other optical components to meet the day.
  • the lighting needs of books often live.
  • the LED bulb the larger the range of angles that usually need to be illuminated, the better, and the uniformity of the illumination is as high as possible. Therefore, the LED bulb must be structurally or optically designed to expand the angle and range of illumination to meet the lighting needs.
  • ES Energy Star proposes a standard.
  • Class A bulbs ie, bulbs in the shape of standard incandescent lamps
  • the basic optoelectronic performance requirements such as luminous flux output and light efficiency
  • the following requirements are also applied to the luminescence characteristics.
  • the change in light intensity within Y 0-135 ° shall not exceed 20% of the average light intensity in this range, and the luminous flux in ⁇ 135-180° shall not be less than 5% of the total luminous flux.
  • Y 0-135 ° shall not exceed 20% of the average light intensity in this range
  • the luminous flux in ⁇ 135-180° shall not be less than 5% of the total luminous flux.
  • Only a very small number of Class A LED bulb products on the market can pass the ES standard.
  • the main reason is that the illuminating characteristics of the above illuminating angle cannot be satisfied.
  • Utility model content ie, bulbs in the shape of standard incandescent lamps
  • the utility model provides an LED bulb which can realize large-angle illumination, and can expand the light of a small angle illumination range to most areas of the bulb to achieve a full light distribution type. The effect is balanced with the requirements of illuminating characteristics and heat dissipation efficiency.
  • An LED bulb capable of realizing large-angle illumination comprising an LED, a radiator and a lampshade
  • the radiator is divided into two parts, the lower part is connected with the lamp head of the lamp, and the upper part is a multi-faceted prism with a small upper and a large
  • the angle between each of the prism faces of the ribs and the vertical center line of the luminaire is 10° ⁇ 25°
  • the upper and lower parts of the heat sink communicate with each other
  • at least one LED is mounted on each of the rib faces, the upper surface of the heat sink Partial cover Inside the lampshade.
  • the prismatic shape is a six-sided prismatic shape.
  • the LED is mounted on the face of the prism near the lower portion of the heat sink.
  • the angle between the prismatic facet and the vertical center line of the lamp is about 20 degrees.
  • the top of the lampshade is opened, and the top of the lampshade is connected to the prismatic top surface through a vertically transparent connecting member, and the hood, the upper portion of the heat sink and the hollow portion of the lower portion of the heat sink form a plurality of convection Cooling channel.
  • the connecting member is a push-type circular ring having a barb structure. After the connecting member is installed in position, the barb structure is ejected and hooked to the top of the upper portion of the heat sink to fix the lamp cover.
  • the lamp cover is coated with a diffusion material, and the diffusion material has a haze of 95% to 99% and a transmittance of 50% or more.
  • the upper and lower parts of the heat sink are integrated, and the lower part is a hollow structure.
  • the technical scheme adopted by the utility model sets the mounting surface of the LED light source to be multi-faceted prismatic shape, and according to the required illumination angle of the lamp, the number of prism faces of the prism body for mounting the LED and the inclination angle of the facet are designed. the size of. In order to meet the requirements of full light distribution, the angle between each prism face of the prism and the vertical center line of the lamp is designed to be within 10 ° ⁇ 25 °. At the same time, considering the heat dissipation problem, the whole LED bulb is made into a top-and-bottom type structure, which is cooled by air convection, which improves the heat dissipation efficiency, and the LED is mounted on the prism surface as close as possible to the lower end of the prism.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention
  • Figure 2 is a cross-sectional view of Figure 1.
  • an LED bulb of an embodiment of the present invention includes an LED 1, a heat sink and a lampshade 3,
  • the heat sink is made of ceramic and is divided into two parts of a one-piece structure, and the lower part 21 is In the hollow body, the upper portion 22 has a multi-faceted prismatic shape which is small and large, and the upper and lower portions 21 and 22 of the radiator 2 communicate with each other.
  • Four LEDs 1 are mounted on each of the facets, and the lamp cover 2 is placed over the upper portion 22 of the heat sink.
  • a six-sided prismatic shape is selected, and the angle between each of the prism faces of the prism and the vertical center line of the lamp is 10° ⁇ 25. In a preferred embodiment of the present invention, The angle of inclination of the six-sided prismatic facet to the vertical centerline of the luminaire is 20 degrees.
  • the lamp cover 3 is provided with a top opening structure, and the top of the lamp cover 3 and the multi-faceted prism-like top surface of the upper portion 22 of the radiator are connected by a vertically transparent connecting member 4.
  • the connecting member 4 is a push-type circular ring having a barb structure. When the connecting member is installed in position, the barb structure pops up and hooks the top portion of the upper portion of the heat sink to fix the lamp cover.
  • the power supply 5 is installed in the power supply mounting chamber 7 provided in the lamp cap 6 of the lamp.
  • the diffuser is coated with a diffusing material.
  • the performance of the diffusing material is required, and the haze is required to be 95% to 99%, and the transmittance is 50% or more.
  • the diffusion material is coated, one or more layers may be applied according to actual requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

一种可实现大角度发光的LED球泡灯，包括LED（1）、散热器（2）、以及灯罩（3），散热器（2）分为两个部分，下部分（21）与灯具的灯头（6）连接，上部分（22）呈上小下大的多面棱台状，棱台的各个棱面与灯具的垂直中心线的夹角为10°≤θ≤25°，散热器（2）上下两部分之间连通，各个棱面上安装至少一个LED（1），散热器（2）的上部分（22）罩设在灯罩（3）内。该球泡灯能够将小角度照射范围的光线扩大到球泡的大部分区域，达到全配光型的效果，且兼顾发光特性以及散热效率的要求。

Description

可实现大角度发光的 LED球泡灯
技术领域
本实用新型涉及 LED照明领域， 更具体的说， 涉及一种可实现大角度发光 的 LED球泡灯。 背景技术
随着 LED越来越多的应用于说照明领域， 以 LED作为光源的球泡灯也在逐步 的取代传统的钨丝照明灯泡。 但由于 LED的特性， 其发光角度是局限在一定的 范围内的， 因此， 以 LED作为光源的灯具其应用受到了很大的限制， 必须配合 其他的光学元器件进行重新配光， 才能满足日书常生活的照明需要。 作为 LED球 泡灯， 通常需要照射的角度范围越大越好， 同时， 照射的光线均匀性也高越好。 因此， 必须对 LED球泡灯进行结构或者光学方面的设计， 扩大其照射的角度和 范围， 以满足人们对照明的需要。
美国能源之星（Energy Star, 简称 ES) 提出一种标准， 对于 A类灯泡（ 即 标准白炽灯形状的灯泡）， 除了光通量输出、 光效等基本光电性能要求外， 还对 发光特性有如下要求： Y 0-135 ° 内的光强变化不能超过该范围内平均光强的 20 % , γ 135-180° 内的光通量不能低于总光通量的 5 %。 目前市场上的 A类 LED 灯泡产品只有极少数能通过 ES 的标准， 最主要的原因就是无法满足上述发光角 的发光特性。 实用新型内容
本实用新型针对上述现有技术中存在的技术问题，提供一种可实现大角度发 光的 LED球泡灯， 能够将小角度照射范围的光线扩大到球泡的大部分区域， 达 到全配光型的效果， 且兼顾了发光特性以及散热效率的要求。
为达到上述目的， 本实用新型采用的技术方案如下：
一种可实现大角度发光的 LED球泡灯， 包括 LED、 散热器以及灯罩， 所述 散热器分为两个部分， 下部分与灯具的灯头连接，上部分呈上小下大的多面棱台 状， 棱台的各个棱面与灯具的垂直中心线的夹角为 10° θ 25°， 散热器上下两 部分之间连通， 所述各个棱面上安装至少一个 LED, 所述散热器的上部分罩设 在灯罩内。
所述棱台状为六面棱台状。
所述 LED安装在棱面上靠近散热器下部分的位置。
所述各个棱面上安装四个 LED。
所述棱台状棱面与灯具的垂直中心线的夹角为 20度左右。
所述灯罩的顶部开孔，所述灯罩顶部与所述棱台状顶面通过一上下通透的连 接件连接，所述灯罩、散热器上部分以及散热器下部分的镂空部位形成多个对流 散热通道。
所述连接件为一种具有倒钩结构的按压式圆环形，连接件安装到位后倒钩结 构弹出并勾住散热器上部分的顶部， 起到固定灯罩的作用。
所述灯罩上涂覆扩散材料， 所述扩散材料雾度 95%~99%， 透过率 50%以上。 所述散热器的上下两部分为一体式， 下部分为镂空结构。
本实用新型所采用的技术方案， 将安装 LED光源的安装面设置为多面棱台 状， 根据所需要的灯具发光角度的要求， 设计用于安装 LED的棱台体棱面数量 以及棱面倾斜角的大小。为了达到全配光的要求，将棱台的各个棱面与灯具的垂 直中心线的夹角设计为 10° θ 25° 范围内。 同时， 考虑到散热问题， 将整个 LED 灯泡做成一上下通透型的结构， 通过空气对流散热， 提高散热效率， 并且 使 LED在棱面上的安装位置尽量靠近棱台状下端。 考虑到功率和光通量问题， 设置所使用的 LED的数量， 同时， 采用在灯罩上涂覆扩散剂以使出射的光线均 匀柔和， 且扩散材料雾度 95%~99%， 透过率 50%以上。 附图说明
图 1是本实用新型一实施例的结构示意图；
图 2是图 1的剖面示图。
具体实施方式
下面结合附图和具体实施例对本实用新型的技术方案做进一步详细的说明： 图 1、 图 2所示， 本实用新型一实施例的 LED球泡灯， 包括 LED 1、 散热器 以及灯罩 3， 散热器为陶瓷材质， 且分为一体式结构的两个部分， 下部分 21呈 镂空体， 上部分 22呈上小下大的多面棱台状， 散热器 2上下两部分 21、 22之间 连通。 各个棱面上安装有四个 LED 1， 灯罩 2罩设在散热器的上部分 22上。 棱 台状棱面数量越多，对全配光的要求越容易达到，但灯具所需要的用来安装 LED 的铝基板的数量越多，使得生产工艺越复杂。本实施例在综合考虑上述因素的情 况下， 选用六面棱台状， 且棱台的各个棱面与灯具的垂直中心线的夹角为 10° θ^25 本实用新型的优选实施例中， 六面棱台状的棱面与灯具的垂直中心线的 倾斜角 Θ为 20度。
经实验测试， 棱台状每个棱面上的多个 LED 1的安装位置对配光的影响不 大， 但出于散热方面的考虑， LED 1尽量靠近棱台状下端安装， 以使 LED产生 的热量能很快通过散热体下部分 21的镂空结构很快发散。
为了通过空气对流散热，灯罩 3设置为顶部开孔的结构，灯罩 3顶部与散热 器上部分 22的多面棱台状顶面之间通过一上下通透的连接件 4连接起来。这样， 灯罩 3、散热器上部分 22以及散热器下部分 21的镂空部位形成多个灯具的对流 散热通道。连接件 4为一种具有倒钩结构的按压式圆环形，当连接件安装到位后， 倒钩结构弹出并勾住散热器上部分的顶部， 起到固定灯罩的作用。
供电电源 5安装在灯具灯头 6内设置的电源安装腔 7内。
灯罩 3上涂覆扩散材料， 为了不影响光效以及配光， 对扩散材料的性能有所 要求， 要求雾度 95%〜99%， 透过率 50%以上。 在涂覆扩散材料时， 可根据实际要 求涂覆一层或多层。
上述实施例应理解为仅用于说明本实用新型而不用于限制本实用新型的保 护范围。在阅读了本实用新型记载的内容之后， 本领域技术人员可以对本实用新 型作各种改动或修改，这些等效变化和修饰同样落入本实用新型权利要求所限定 的范围。

Claims

权 利 要 求 书 、 一种可实现大角度发光的 LED球泡灯， 包括 LED、 散热器以及灯罩， 其特 征在于， 所述散热器分为两个部分， 下部分与灯具的灯头连接， 上部分呈上 小下大的多面棱台状， 棱台的各个棱面与灯具的垂直中心线的夹角为 10° θ 25°， 散热器上下两部分之间连通， 所述各个棱面上安装至少一个 LED, 所 述散热器的上部分罩设在灯罩内。
、 根据权利要求 1所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 棱台状为六面棱台状。
、 根据权利要求 1所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 LED安装在棱面上靠近散热器下部分的位置。
、 根据权利要求 3所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 各个棱面上安装四个 LED。
、 根据权利要求 1所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 棱台状棱面与灯具的垂直中心线的夹角为 20度左右。
、 根据权利要求 1所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 灯罩的顶部开孔， 所述灯罩顶部与所述棱台状顶面通过一上下通透的连接件 连接， 所述灯罩、 散热器上部分以及散热器下部分的镂空部位形成多个对流 散热通道。
、 根据权利要求 6所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 连接件为一种具有倒钩结构的按压式圆环形， 连接件安装到位后倒钩结构弹 出并勾住散热器上部分的顶部， 起到固定灯罩的作用。
、 根据权利要求 1所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 灯罩上涂覆扩散材料， 所述扩散材料雾度 95%〜99%， 透过率 50%以上。
、 根据权利要求 1所述的可实现大角度发光的 LED球泡灯， 其特征在于， 所述 散热器的上下两部分为一体式， 下部分为镂空结构。
PCT/CN2013/087475 2012-12-04 2013-11-20 可实现大角度发光的led球泡灯 WO2014086232A1 (zh)

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CA2893461A CA2893461C (en) 2012-12-04 2013-11-20 Led bulb lamp capable of realizing wide-angle luminescence
EP13861476.3A EP2910845B1 (en) 2012-12-04 2013-11-20 Led bulb lamp capable of wide angle light emission
US14/648,761 US20150300579A1 (en) 2012-12-04 2013-11-20 LED Bulb Lamp Capable of Realizing Wide-Angle Luminescence
ES13861476.3T ES2640364T3 (es) 2012-12-04 2013-11-20 Lámpara de bombilla LED apta para una emisión de luz de gran ángulo
CY20171100966T CY1120071T1 (el) 2012-12-04 2017-09-13 Λυχνια led ικανη για την εκπομπη φωτος ευρειας γωνιας

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EP2910845A4 (en) 2015-12-02
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