WO2006102785A1 - Lampe led de grande puissance et efficace - Google Patents

Lampe led de grande puissance et efficace Download PDF

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Publication number
WO2006102785A1
WO2006102785A1 PCT/CN2005/000389 CN2005000389W WO2006102785A1 WO 2006102785 A1 WO2006102785 A1 WO 2006102785A1 CN 2005000389 W CN2005000389 W CN 2005000389W WO 2006102785 A1 WO2006102785 A1 WO 2006102785A1
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WO
WIPO (PCT)
Prior art keywords
diode
heat
module
bulb
light emitting
Prior art date
Application number
PCT/CN2005/000389
Other languages
English (en)
French (fr)
Inventor
Jen-Shyan Chen
Original Assignee
Neobulb Technologies, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Neobulb Technologies, Inc. filed Critical Neobulb Technologies, Inc.
Priority to PCT/CN2005/000389 priority Critical patent/WO2006102785A1/zh
Priority to KR1020077023375A priority patent/KR100999843B1/ko
Priority to EP05732572A priority patent/EP1873447A4/en
Priority to AU2005329901A priority patent/AU2005329901B2/en
Priority to US11/887,427 priority patent/US7891837B2/en
Priority to CN2005100624504A priority patent/CN1840958B/zh
Priority to JP2008503346A priority patent/JP4991696B2/ja
Publication of WO2006102785A1 publication Critical patent/WO2006102785A1/zh
Priority to US13/006,015 priority patent/US8029158B2/en
Priority to US13/224,624 priority patent/US20110317423A1/en

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Classifications

    • 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
    • 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
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • F21V29/51—Cooling arrangements using condensation or evaporation of a fluid, e.g. 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
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V29/89—Metals
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional 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]
    • 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
    • F21Y2115/30—Semiconductor lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
    • H01L33/64—Heat extraction or cooling elements
    • H01L33/648—Heat extraction or cooling elements the elements comprising fluids, e.g. heat-pipes

Definitions

  • the present invention relates to a high efficiency and high power diode bulb, and in particular, the diode bulb of the present invention is a system in package lighting device. Background technique
  • LEDs light emitting diodes
  • shock resistance shock resistance
  • fast response fast response
  • suitable for mass production lighting products using light-emitting diodes as a light source are increasingly widespread.
  • the existing high-power LEDs have a problem of excessive temperature after a period of continuous illumination, so that the luminous efficiency of the LED itself is lowered, and the brightness cannot be improved. Therefore, various products that use high-power LEDs require a good heat dissipation mechanism.
  • Figure 1 shows an existing illuminator incorporating a heat sink.
  • a plurality of light-emitting diodes 12 are disposed above the thermal conduction plate 10 in the figure.
  • a plurality of fins 14 are provided around the heat conducting plate 10. Since the distance between the respective light-emitting diodes 12 is too far, the illumination device cannot provide a light-emitting effect such as a point light source.
  • Fig. 2 is a view showing the illuminator disclosed in Japanese Patent No. 568,358.
  • the red LED 21, the green LED 22 and the blue LED 23 are disposed on a control circuit 24.
  • the control circuit 24 is configured to control the plurality of light emitting diodes.
  • the carrier 25 under the control circuit 24 is configured to help the plurality of light emitting diodes and the control circuit 24 to dissipate heat.
  • a disadvantage of the illuminator shown in Figure 2 is that the control circuit 24 is too close to the light emitting diode. When the LED generates thermal energy, it is extremely easy to affect or even destroy the operation of the control circuit 24. Accordingly, the present invention provides a high efficiency, high power diode bulb, and in particular, the diode bulb of the present invention is a system mounted illumination device. Summary of the invention
  • a first primary object of the present invention is to provide a system efficient high power diode bulb in a system in package.
  • the diode bulb according to the present invention can provide an illumination effect equivalent to a point source in addition to effectively solving the heat dissipation problem in the prior art.
  • a diode bulb includes a heat conducting and heat dissipating module, a diode lighting module, an optical module, and a control circuit module.
  • the heat and heat dissipation module includes a heat-conducting device and at least one heat-dissipating fin.
  • the diode lighting module is disposed on a flat portion of the heat conducting device and is smoothly and tightly engaged with the flat portion.
  • the optical module is used to focus the light emitted by the diode lighting module.
  • the control circuit module is used to control the diode lighting module.
  • the control circuit module selectively causes the diode light emitting module to emit light when the diode light bulb is connected to a power source, and the heat generated by the diode light emitting module when emitting light is guided by the heat conducting device from the flat portion to the at least one
  • the heat dissipation fins are further cooled by the at least one heat dissipation fin.
  • the diode bulb provided by the invention integrates the heat conduction and heat dissipation module and the diode light emitting module, the heat conduction and heat dissipation module can directly dissipate the heat energy generated by the diode light module to the surrounding air by the heat dissipation fins, thereby greatly increasing Cooling efficiency. Therefore, the diode bulb according to the present invention is more suitable for use in a lighting device requiring a high efficiency light emitting diode compared to the prior art.
  • a second main object of the present invention is to provide a diode bulb which is equivalent to the light-emitting effect of a point source.
  • the diode light emitting module according to the present invention packages a plurality of light emitting diodes or laser diodes together, the volume of the concave mirror in the optical module is relatively small, so that a light emitting effect equivalent to a point light source can be provided.
  • a third main object of the present invention is to provide a diode bulb that can be widely integrated into existing lighting devices.
  • the diode bulb of the above preferred embodiment may further comprise a housing.
  • the housing can be designed to match the size of an existing cylindrical or square battery. Therefore, it is quite easy to integrate the diode bulb according to the present invention with an existing power supply unit.
  • Figure 1 shows an existing illuminator incorporating a heat sink
  • FIG. 2 shows the illuminator disclosed in Taiwan Patent No. 568,358;
  • FIG. 3A is a side view of a diode bulb in accordance with a preferred embodiment of the present invention
  • FIG. 3B is a perspective view of a diode bulb in accordance with a preferred embodiment of the present invention
  • FIG. 4 shows heat conduction in a heat conducting and heat dissipating module. And heat dissipation mechanism;
  • FIGS 5 through 6 illustrate various implementations of LED chip 32
  • FIGS 7 through 10 illustrate various implementations of heat sink fins 312
  • Figure 11 shows another embodiment of a heat conducting device and an LED chip in the present invention
  • Figure 12 shows a diode bulb including a housing in accordance with the present invention
  • Figure 13 shows another diode bulb including a housing in accordance with the present invention
  • Figure 14 shows another diode bulb incorporating a housing in accordance with the present invention.
  • Heat sink fin 21 Red light emitting diode
  • Control circuit 25 Carrier
  • Control Circuit Module 34 Optical Module
  • Heat transfer device 312 Heat sink fin
  • the diode bulb 30 comprises a heat conducting and dissipating module 31, a diode lighting module 32, a control circuit module 33 and an optical module 34.
  • the heat conduction and heat dissipation module 31 includes a heat conduction device 311 and at least one heat dissipation fin 312.
  • the diode light emitting module 32 is disposed on a flat portion of the heat conducting device 311.
  • Optical module 34 is used to focus the light emitted by the diode lighting module 32.
  • the control circuit module 33 is used to control the diode lighting module 32.
  • the control circuit module 33 selectively causes the diode lighting module 32 to emit light, and the heat generated by the diode lighting module 32 when emitting light is guided from the flat portion to the heat sink fin by the heat conducting device 311.
  • the sheet 312 is further cooled by the heat sink fins 312.
  • control circuit 33 can be prevented from being directly affected by the thermal energy generated by the diode light-emitting module 32.
  • the power source connected to the diode bulb 30 can be a DC power source or an AC power source.
  • the control circuit module 33 further includes an AC-to-DC converter that converts the AC power into DC power and supplies it to the diode bulb 30.
  • the heat conducting device 311 may be a thermal conductive column or heat pipe made of copper. See Figure 4.
  • Figure 4 shows the thermal and thermal dissipation mechanisms in the thermal and thermal modules 31.
  • the thermal and thermal module 31 contains capillary structure 311A and working fluid 311B.
  • the working fluid 311B in the heat conducting and dissipating module 31 which is closer to the diode lighting module 32 is evaporated from the liquid into a gas.
  • the vaporized working fluid 311B transfers heat to the other end of the heat conducting and dissipating module 31, and the working fluid 311B cooled by the heat radiating fins 312 is again condensed into a liquid.
  • the capillary structure 311A is used to transfer the working fluid 311B that is recondensed into a liquid back to the end of the heat conducting and heat dissipating module 31 that is closer to the diode lighting module 32.
  • the heat transfer and heat dissipation effects can be achieved by the cycle shown in Figure 4.
  • the LED chip 32 may be as shown in FIG. A substrate (Substrate) 320 made of a silicon material or a metal material, a two electrode (Electrode) 322, and a light emitting module 324 are included.
  • the light emitting module 324 and the electrode 322 are respectively disposed on the substrate 320.
  • the light emitting module 324 is connected to the control circuit module 33 through the two electrodes 322, respectively.
  • the light-emitting module 324 and the two electrodes 322 of the LED chip 32 may also be disposed directly on the flat portion of the heat-conducting device 311 as shown in FIG. 6.
  • the two electrodes 322 and the heat-conducting device 311 respectively have an insulator.
  • the light emitting module 324 includes at least one light emitting diode or a laser diode.
  • the light emitting diode in the light emitting module 324 may be a white light diode or a white light diode composed of a blue light diode and a phosphor.
  • the light emitting module 324 may also include at least one red light diode, at least one blue light diode, and at least one green light diode; the control circuit module 33 may selectively cause the red light diode, the blue light diode, and the green light diode to emit light, so that the plurality Light-emitting diodes of different colors form light of various colors in different light-emitting ratios.
  • the light emitting module 324 is relatively small in volume relative to the concave surface of the light emitting module 324 or the entire diode bulb, so that a light emitting effect equivalent to a point light source can be provided.
  • the heat sink fins 312 in the present invention can be implemented in a variety of different styles.
  • a general heat dissipation fin 312 is disposed around the heat conduction device 311.
  • the heat radiating fins 312 may have an irregular shape as shown in FIG. 8 in addition to the disk shape as shown in FIG. 7, for example, a zigzag shape, a petal shape, or a hole as shown in FIG.
  • Each of the heat dissipation fins 312 in FIG. 9 has at least one hole 313 for air circulation to help accelerate heat dissipation.
  • FIG. 10 shows another embodiment of the heat dissipation fins 312, the plurality of heat dissipation fins 312 and the heat conduction device
  • the flat portion of 311 is vertical and surrounds the heat conducting device 311.
  • Fig. 11 shows another embodiment of the heat conducting device 311 and the light emitting diode chip 32 of the present invention. As shown in FIG. 11, one end of the heat conducting device 311 can be designed to be flat, and the LED chip 32 is disposed on the flat portion of the heat conducting device 311.
  • the diode bulb 30 can further include a housing 314.
  • Figure 12 shows an embodiment of a diode bulb 30 that includes a housing.
  • the outer casing 314 can accommodate the plurality of heat dissipation fins 312 without affecting the heat dissipation function of the heat dissipation fins 312.
  • the housing 314 can be designed to match the size of an existing cylindrical battery square battery. Therefore, it is quite easy to integrate the diode bulb according to the present invention with an existing power supply unit.
  • Figure 13 shows a diode bulb in accordance with another preferred embodiment of the present invention.
  • the heat conducting device 311 is a curved heat pipe
  • the light emitting diode chip 32 is disposed at a flat portion of one end of the heat conducting device 311.
  • the heat dissipation fins 312 are disposed around the side walls of the heat conduction device 311. The heat generated by the LED chip 32 is transmitted to the heat dissipation fins 312 through the heat transfer device 311, and then radiated to the surrounding air, thereby achieving the heat dissipation effect.
  • the non-enclosed housing 314 can accommodate the at least one heat sink fin without affecting the heat dissipation of the heat sink fins 312.
  • Figure 14 shows a diode bulb in accordance with another preferred embodiment of the present invention.
  • the heat conducting device 311 is a curved heat pipe
  • the LED chip 32 is disposed on a flat portion on the sidewall of the heat conducting device 311.
  • the heat dissipation fins 312 are disposed around both ends of the heat conduction device 311. The heat generated by the LED chip 32 is transmitted to the heat dissipation fins 312 through the heat transfer device 311, and then radiated to the surrounding air, thereby achieving the heat dissipation effect.
  • the heat conduction and heat dissipation module can be used to dissipate the heat generated by the LED chip to the surrounding air. Cooling efficiency.
  • the luminous efficiency of the diode bulb according to the present invention can also be improved by improving the heat dissipation efficiency of the diode bulb and solving the problem of the efficiency of the LED being lowered due to overheating. Therefore, the diode bulb incorporating the heat dissipating module according to the present invention is more suitable for use in a lighting device requiring a high power and high efficiency diode bulb as compared with the prior art.

Description

高功率高效率的二极管灯泡 技术领域
本发明涉及一种高效率高功率的二极管灯泡， 并且特别地， 本发明的 二极管灯泡为一种系统构装 (System in package)的照明装置。 背景技术
由于发光二极管（Light emitting diode, LED)具有如省电、 耐震、 反应快以及适合批量生产等许多优点， 因此目前以发光二极管为光源的照 明产品日益广泛。然而，现有的高功率发光二极管在持续发亮一段时间后， 会有温度过高的问题， 使得发光二极管本身的发光效率下降， 造成亮度无 法提升。 因此， 各种应用高功率的发光二极管的产品均需要良好的散热机 制。
请参阅图 1。 图 1显示了一现有的整合了散热装置的照明器。 为了增 加单一照明装置所能提供的光线强度， 图中的导热板 10之上设置有多个 发光二极管 12。 导热板 10的周围则设有多个散热鳍片 14。 由于各个发光 二极管 12之间的距离太远， 该照明装置无法提供如点光源的发光效果。
请参阅图 2。 图 2是显示了台湾第 568， 358号专利所揭示的照明器。 图中的红色发光二极管 21、 绿色发光二极管 22 以及蓝色发光二极管 23 设置于一控制电路 24之上。控制电路 24用以控制该多个发光二极管， 在 控制电路 24之下的载体 25则是用以帮助该多个发光二极管和控制电路 24 散热。如图 2所示的照明器的缺点是控制电路 24与发光二极管太过接近。 当发光二极管产生热能时， 极容易影响甚至破坏控制电路 24的运作。 因此， 本发明提供了一种高效率高功率的二极管灯泡， 并且特别地， 本发明的二极管灯泡为一种系统构装的照明装置。 发明内容
本发明的第一主要目的在于提供一种系统构装 (System in package) 的高效率高功率二极管灯泡。根据本发明的二极管灯泡除了可有效解决先 前技术中的散热问题外， 还可提供相当于点光源的发光效果。
根据本发明的较佳具体实施例的二极管灯泡包含一导热及散热模块、 一二极管发光模块、 一光学模块以及一控制电路模块。 该导热及散热模块 包含一导热装置 （Heat-conducting device) 与至少一散热鳍片 (Heat-dissipating fin)。 该二极管发光模块设置于该导热装置的一平坦 部上， 并与该平坦部平整且紧密地接合。 该光学模块用以将该二极管发光 模块所发出的光线聚焦。 该控制电路模块则用以控制该二极管发光模块。 当该二极管灯泡连接至一电源时， 该控制电路模块选择性地使该二极管发 光模块发光， 并且该二极管发光模块于发光时所产生的热由该导热装置自 该平坦部导引至该至少一散热鳍片， 进而由该至少一散热鳍片散热。
由于本发明所提供的二极管灯泡将导热及散热模块与二极管发光模 块整合在一起，该导热及散热模块可由各散热鳍片将该二极管发光模块所 产生的热能立即发散至周围的空气中， 大幅提升散热效率。 因此， 相较于 先前技术，根据本发明的二极管灯泡更适合应用于需要高效率的发光二极 管的照明装置中。 本发明的第二主要目的是提供一种相当于点光源的发光效果的二极 管灯泡。 由于根据本发明的二极管发光模块是将多颗发光二极管或激光二 极管封装在一起， 相对于光学模块内的凹面镜的体积相当小， 因此可提供 相当于点光源的发光效果。
本发明的第三主要目的是提供一种能广泛整合于现有的照明设备中 的二极管灯泡。 上述较佳具体实施例的二极管灯泡可进一步包含一外壳。 该外壳可被设计为与现有的圆柱型电池或方型电池尺寸相搭配。 因此， 若 要将根据本发明的二极管灯泡与现有的电源装置整合在一起相当容易。
关于本发明的优点与精神可以由以下的发明详述及附图得到进一步 的了解。 附图说明
图 1显示了一现有的整合了散热装置的照明器；
图 2显示了台湾第 568,358号专利所揭示的照明器；
图 3A是根据本发明的一较佳具体实施例的二极管灯泡的侧视图； 图 3B是根据本发明的一较佳具体实施例的二极管灯泡的立体图； 图 4显示了导热及散热模块中的导热及散热机制；
图 5至图 6显示了发光二极管芯片 32的多种实现方式；
图 7至图 10显示了散热鳍片 312的多种实现方式；
图 11显示了本发明中的导热装置与发光二极管芯片的另一实施方式； 图 12显示了根据本发明的一包含外壳的二极管灯泡；
图 13显示了根据本发明的另一包含外壳的二极管灯泡； 图 14显示了根据本发明的另一包含外壳的二极管灯泡。
其中附图标记如下：
10： 导热板 12： 发光二极管
14： 散热鳍片 21： 红色发光二极管
22： 绿色发光二极管 23： 蓝色发光二极管
24： 控制电路 25： 载体
30： 二极管灯泡
31： 导热及散热模块 32： 二极管发光模块
33： 控制电路模块 34： 光学模块
311： 导热装置 312： 散热鳍片
313： 孔洞 314： 外壳
320： 基材 322： 电极
324： 光源 具体实施方式
本发明的一个主要目的在于提供一种系统构装的高效率高功率二极 管灯泡。
请参阅图 3A及图 3B。 图 3A及图 3B分别为根据本发明的一较佳具 体实施例的二极管灯泡的侧视图及立体图。 根据本发明的二极管灯泡 30 包含一导热及散热模块 31、 一二极管发光模块 32、 一控制电路模块 33以 及一光学模块 34。 导热及散热模块 31包含一导热装置 311与至少一散热 鳍片 312。二极管发光模块 32设置于导热装置 311的一平坦部。光学模块 34用以将该二极管发光模块 32所发出的光线聚焦。控制电路模块 33则是 用以控制该二极管发光模块 32。 当二极管灯泡 30连接至一电源时， 控制 电路模块 33选择性地使二极管发光模块 32发光，并且二极管发光模块 32 在发光时所产生的热是由导热装置 311 自该平坦部导引至散热鳍片 312， 进而由散热鳍片 312散热。
如图 3A及图 3B所示， 由于根据本发明中的的控制电路模块 33与二 极管发光模块 32之间有一段距离，可避免控制电路 33直接受到二极管发 光模块 32所产生的热能影响。
根据本发明， 与二极管灯泡 30连接的电源可为直流电源， 也可为交 流电源。 当该电源为交流电源时， 控制电路模块 33还进一步包含一交流 至直流 (AC-to-DC)转换器， 将交流电转换为直流电后供给二极管灯泡 30 使用。
在实际应用中， 导热装置 311可能为一以铜制成的热导柱或热导管。 请参阅图 4。图 4显示了导热及散热模块 31中的导热及散热机制。导热及 散热模块 31 内部包含毛细组织 311A以及工作流体 311B。 当二极管发光 模块 32产生热时， 会使导热及散热模块 31 中较靠近二极管发光模块 32 的工作流体 311B由液体蒸发为气体。气化后的工作流体 311B可将热传至 导热及散热模块 31的另一端，经散热鳍片 312散热冷却后的工作流体 311B 会再度凝结为液体。 毛细组织 311A是用以将再度凝结为液体的工作流体 311B传送回导热及散热模块 31中较靠近二极管发光模块 32的一端。 由 如图 4所示的循环方式， 可达到导热及散热效果。
请参阅图 5。在实际应用中， 发光二极管芯片 32可能如图 5所示， 包 含一由硅材料或金属材料所制成的基材 (Substrate) 320、 两电极 (Electrode) 322以及一发光模块 324。 发光模块 324与电极 322分别设置于基材 320 之上。发光模块 324分别通过该两电极 322连接至控制电路模块 33。请参 阅图 6。发光二极管芯片 32中的发光模块 324与两电极 322也可能如图 6 所示， 直接被设置于导热装置 311的平坦部之上， 其中该两电极 322与导 热装置 311之间分别有一绝缘体。
在实际应用中， 发光模块 324 包含至少一发光二极管或激光二极管 (Laser diode；)。 发光模块 324中的发光二极管可能为一白光二极管， 或是 由一蓝光二极管与荧光粉所组成的白光二极管。发光模块 324也可能包含 至少一红光二极管、 至少一蓝光二极管以及至少一绿光二极管； 控制电路 模块 33可选择性地使该红光二极管、 该蓝光二极管以及该绿光二极管发 光，使得该多个不同颜色的发光二极管以不同的发光比例组成各种不同颜 色的光线。
由于根据本发明的二极管灯泡是将多颗发光二极管封装在一起，发光 模块 324相对于与发光模块 324配合的凹面境或整个二极管灯泡的体积相 当小， 因此可提供相当于点光源的发光效果。
请参阅图 7至图 10。本发明中的散热鳍片 312可以多种不同的样式实 现。 一般的散热鳍片 312环设于导热装置 311的周围。 散热鳍片 312除了 如图 7所示的圆盘状之外，也可为如图 8所示的不规则状，例如，锯齿状、 花瓣状， 或是如图 9所示具有孔洞。 图 9中的每一散热鳍片 312上均具有 至少一孔洞 313， 该多个孔洞 313 可供空气流通， 帮助加速散热。 图 10 显示了散热鳍片 312的另一种实施方式，该多个散热鳍片 312与导热装置 311的该平坦部垂直， 并环绕在导热装置 311的周围。
请参阅图 11。 图 11显示了本发明中的导热装置 311与发光二极管芯 片 32的另一实施方式。 如图 11所示， 导热装置 311的一端可被设计为扁 平状， 而发光二极管芯片 32设置于该导热装置 311的扁平部份之上。
在实际应用中， 二极管灯泡 30可进一步包含一外壳 314。 请参阅图 12。 图 12显示了一包含外壳的二极管灯泡 30的实施例。 外壳 314配合能 容纳该多个散热鳍片 312， 不会影响散热鳍片 312的散热功能。 外壳 314 可被设计为与现有的圆柱型电池方型电池尺寸相搭配。 因此， 若要将根据 本发明的二极管灯泡与现有的电源装置整合在一起相当容易。
请参阅图 13。 图 13显示了根据本发明的另一较佳具体实施例的二极 管灯泡。 在本实施例中， 导热装置 311为一弯曲的导热管， 发光二极管芯 片 32设置于导热装置 311的一端的平坦部。 散热鳍片 312设置于导热装 置 311的侧壁的周围。发光二极管芯片 32所产生的热能透过导热装置 311 传递至散热鳍片 312, 再发散至周围的空气中， 由此达成散热的效果。 非 封闭式的外壳 314 配合能容纳该至少一散热鳍片， 并不会影响散热鳍片 312的散热。
请参阅图 14。 图 14显示了根据本发明的另一较佳具体实施例的二极 管灯泡。 在本实施例中， 导热装置 311为一弯曲的导热管， 而发光二极管 芯片 32设置于导热装置 311侧壁上的一平坦部上。 散热鳍片 312设置于 导热装置 311 的两端的周围。 发光二极管芯片 32所产生的热能透过导热 装置 311传递至散热鳍片 312， 再发散至周围的空气中， 由此达成散热的 效果。 工业实用性
由于本发明所提供的二极管灯泡是将导热及散热模块与发光二极管 芯片整合在一起， 该导热及散热模块可由散热鳍片将该发光二极管芯片所 产生的热能立即发散至周围的空气中， 大幅提升散热效率。 通过改善二极 管灯泡的散热效率， 解决了因过热造成发光二极管效率下降的问题， 根据 本发明的二极管灯泡的发光效率也可以提升。 因此， 相较于先前技术， 根 据本发明的整合散热模块的二极管灯泡更适合应用于需要高功率高效率 的二极管灯泡的照明装置中。

Claims

权利要求
1. 一种系统构装的高效率高功率二极管灯泡， 其特征在于， 包含- 一导热及散热模块， 包含一导热装置和至少一散热鳍片， 该导热装置 具有一平坦部； 该至少一散热鳍片设置于该导热装置的周围； 一二极管发光模块， 该二极管发光模块设置于该导热装置的该平坦 部；
一光学模块， 该光学模块用以将该二极管发光模块所发出的光线聚 焦； 以及
一控制电路模块， 该控制电路模块用以控制该二极管发光模块； 其中当该二极管灯泡连接至一电源时，该控制电路模块选择性地使该 二极管发光模块发光， 并且该二极管发光模块在发光时所产生的热由该导 热装置自该平坦部导引至该至少一散热鳍片，进而由该至少一散热鳍片散 执、、。。
2. 如权利要求 1所述的二极管灯泡，其特征在于，该电源为交流电源， 并且该控制电路模块进一步包含一交流至直流转换器。
3. 如权利要求 1所述的二极管灯泡，其特征在于，该发光二极管芯片 装置包含一基材、 一发光模块以及两电极， 该发光模块以及该两电极分别 设置于该基材上。
4. 如权利要求 1所述的二极管灯泡，其特征在于，该二极管发光模块 包含至少一发光二极管或激光二极管。
5. 如权利要求 1所述的二极管灯泡，其特征在于，该发光模块包含一 白光二极管。
6. 如权利要求 5所述的二极管灯泡，其特征在于，该白光二极管包含 蓝光二极管与荧光粉。
7. 如权利要求 1所述的二极管灯泡，其特征在于，该发光模块包含至 少一红光二极管、 至少一蓝光二极管以及至少一绿光二极管。
8. 如权利要求 7所述的二极管灯泡，其特征在于，该控制电路模块选 择性地使该红光二极管、 该蓝光二极管以及该绿光二极管发光。
9. 如权利要求 1所述的二极管灯泡，其特征在于，该基材是由一硅材 料或一金属材料所制成。
10. 如权利要求 1所述的二极管灯泡， 其特征在于， 该发光装置包含 一发光模块以及两电极， 该发光模块以及该两电极分别安置于该导热装置 的该平坦部上。
11、 如权利要求 10所述的二极管灯泡， 其特征在于， 该两电极与该 导热装置之间分别有一绝缘体。
12、 如权利要求 1所述的二极管灯泡， 其特征在于， 该导热装置为一 热导柱或热导管。
13、 如权利要求 1所述的二极管灯泡， 其特征在于， 该导热装置以铜 材料制成。
14、 如权利要求 1项所述的二极管灯泡， 其特征在于， 该至少一散热 鳍片中的每一散热鳍片环设于该导热装置的周围。
15、 如权利要求 1所述的二极管灯泡， 其特征在于， 该至少一散热鳍 片中的每一散热鳍片为圆盘状。
16、 如权利要求 1所述的二极管灯泡， 其特征在于， 该至少一散热鳍 片中的每一散热鳍片为不规则状。
17、 如权利要求 1所述的二极管灯泡， 其特征在于， 该至少一散热鰭 片中的每一散热鳍片均具有至少一孔洞。
18、 如权利要求 1所述的二极管灯泡， 其特征在于， 该平坦部位于该 导热装置的一端。
19、 如权利要求 1所述的二极管灯泡， 其特征在于， 该平坦部位于该 导热装置的侧壁。
20、 如权利要求 1所述的二极管灯泡， 其特征在于， 该二极管灯泡进 一步包含一外壳， 该外壳配合并能容纳该至少一散热鳍片。
PCT/CN2005/000389 2005-03-28 2005-03-28 Lampe led de grande puissance et efficace WO2006102785A1 (fr)

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KR1020077023375A KR100999843B1 (ko) 2005-03-28 2005-03-28 효율적인 고출력 ｌｅｄ 램프
EP05732572A EP1873447A4 (en) 2005-03-28 2005-03-28 EFFICIENT HIGH PERFORMANCE LED LAMP
AU2005329901A AU2005329901B2 (en) 2005-03-28 2005-03-28 An efficient high-power LED lamp
US11/887,427 US7891837B2 (en) 2005-03-28 2005-03-28 System in package high power highly efficient diode lamp
CN2005100624504A CN1840958B (zh) 2005-03-28 2005-03-28 系统构装的高功率高效率二极管灯泡
JP2008503346A JP4991696B2 (ja) 2005-03-28 2005-03-28 高出力高効率パッケージ組込み型ダイオードランプ
US13/006,015 US8029158B2 (en) 2005-03-28 2011-01-13 System in package high power highly efficient diode lamp
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AU2005329901A1 (en) 2006-10-05
AU2005329901B2 (en) 2011-09-08
EP1873447A1 (en) 2008-01-02
CN1840958B (zh) 2012-07-04
US8029158B2 (en) 2011-10-04
EP1873447A4 (en) 2009-04-22
JP2008535227A (ja) 2008-08-28
US20110110088A1 (en) 2011-05-12
CN1840958A (zh) 2006-10-04
US20110317423A1 (en) 2011-12-29
US20090278460A1 (en) 2009-11-12
KR20080002823A (ko) 2008-01-04
KR100999843B1 (ko) 2010-12-13

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