WO2008049324A1 - A high-power energy-saving led lamp - Google Patents

A high-power energy-saving led lamp Download PDF

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Publication number
WO2008049324A1
WO2008049324A1 PCT/CN2007/002989 CN2007002989W WO2008049324A1 WO 2008049324 A1 WO2008049324 A1 WO 2008049324A1 CN 2007002989 W CN2007002989 W CN 2007002989W WO 2008049324 A1 WO2008049324 A1 WO 2008049324A1
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WO
WIPO (PCT)
Prior art keywords
lamp
lampshade
lamp cap
power led
led
Prior art date
Application number
PCT/CN2007/002989
Other languages
French (fr)
Chinese (zh)
Inventor
Jianping Zhu
Original Assignee
Jianping Zhu
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 Jianping Zhu filed Critical Jianping Zhu
Publication of WO2008049324A1 publication Critical patent/WO2008049324A1/en

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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
    • F21V29/83—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
    • 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
    • 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
    • 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
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
    • F21V3/12—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings the coatings comprising photoluminescent substances
    • 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 invention relates to an energy-saving lighting fixture, in particular to a high-power LED energy-saving lamp. - Background technique
  • LEDs light-emitting diodes
  • the present invention provides a high power LED energy saving lamp comprising a lampshade, an LED light source and a lamp cap.
  • the lampshade can be made of PC material, acrylic material, or the like.
  • the LED light source uses high-power LED as the light source, which has the advantages of energy saving, long service life, low driving voltage, no radiation, good anti-vibration performance, etc., and can adjust the LED power size and quantity as needed.
  • the lamp cap is composed of the lamp body, the insulator and the solder. The lamp body is used for inlaying the LED.
  • the end is a round table surface with a recessed LED on the top and a reflective layer, which can increase the utilization of light.
  • a card slot corresponding to the card cover is formed below the surface of the circular table, and the card position forms an inverted connection structure for connecting the lamp cover and the lamp cap.
  • a circumferential heat dissipation hole is formed under the card slot, and a rib is arranged inside the main body to increase the heat dissipation area while fixing the insulator.
  • the insulator also has a circumferential heat dissipation hole, and the heat dissipation hole on the lamp body forms a circulating air. The channel is beneficial to better heat dissipation of the lamp cap.
  • the groove on the insulator corresponds to the rib on the lamp body, and the insulator is fixed by the joint, and the solder is fixed on the insulator to insulate the solder and the lamp body from each other.
  • the LED light source can be a variety of high power LEDs such as individual dies, chip scale packages, conventional packages, and surface mount devices (SMD).
  • the surface of the truncated cone may be one or a mixture of a truncated cone type, a conical type, a prismatic type or a cylindrical type.
  • the surface of the truncated cone of the lamp body is provided with a light reflecting layer.
  • the lamp cap can be made of various metals and alloys such as copper and aluminum alloy.
  • the shape of the lampshade can be various shapes such as a spherical shape, a hemispherical shape, a mushroom shape, and a bullet shape.
  • the inner layer of the lampshade is coated with a phosphor layer to increase the uniformity of the emitted light.
  • the lamp holder used in the invention is an integrated heat dissipation structure, and the heat generated by the LED light source can be effectively dissipated through the outer casing, the inner rib and the opening of the integrated lamp cap, thereby achieving good heat dissipation effect and slow light attenuation.
  • the life of the LED The lamp cover and the lamp cap are connected by a reverse button to make the process simpler, saving the manufacturing process and material cost, and making the product more economical.
  • Figure 1 is a schematic perspective view of the present invention
  • Figure 2 is a schematic cross-sectional view of the present invention
  • Figure 3 is an exploded perspective view of the present invention
  • Figure 4 is another exploded perspective view of the present invention.
  • Figure 5 is a schematic perspective view of the present invention (mushroom shaped lampshade);
  • Figure 6 is a perspective view of a three-dimensional structure (spherical lamp cover) of another possible embodiment of the present invention. detailed description
  • the present embodiment is composed of a lamp cover 1, an LED light source 2, and a lamp cap 3.
  • the lampshade 1 is an elliptical appearance structure, and the LED light source 2 is fixed on one end surface of the lamp cap 3.
  • the phosphor layer 11 is provided on the inner wall of the globe 1.
  • the base 3 is composed of a base body 30, an insulator 36 and a solder 39.
  • One end of the base body 30 for inlaying the LEDs 11 is a truncated-like surface 32 having a recess 31 in which the LEDs 11 are embedded.
  • Under the surface 32 of the truncated cone there is a corresponding
  • the groove 33 of the lampshade port is matched with the lampshade port to form a reverse-locking connection structure, and the lampshade 1 and the lamp cap 3 are connected and fixed.
  • a circumferential heat dissipation hole 34 is formed under the groove 33.
  • the lamp body 30 is internally provided with a rib 35 to increase the heat dissipation area while fixing the insulator 36.
  • the insulator 36 is also provided with a circumferential heat dissipation hole 38, and the lamp body 30.
  • the upper heat dissipation holes 34 constitute a channel for air circulation, which facilitates better heat dissipation of the LED 11 through the lamp cap 3.
  • the groove 37 on the insulator 36 corresponds to the rib 35 on the lamp body 30, and the insulator 36 is fixed by the connection, and the solder 39 Then, it is fixed to the insulator 36 to insulate the solder 39 and the base body 31 from each other.
  • the lampshades 1 are respectively mushroom-shaped and spherical, and various changes can be made to their appearance as needed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A high-power energy-saving LED lamp comprises a lampshade (1), a LED light source (2) and a lamp adapter (3). The LED light source (2) is a high-power LED, the lamp adapter (3) is composed of a main body (30), an isolator (36) and solder (39). The lamp adapter (3) is an unity with closed two ends and capable of dispersing heat generated by the LED light source (2) effectively via ribs (35), louvres (34) in the lamp adapter (3) and a housing of the main body (30). A interior surface of the lampshade (1) is covered with a luminescent coating. A port of the lampshade (1) and a groove (33) on the main body (30) form an inverted buckling connected structure so as to fix the lampshade (1) and the lamp adapter (3).

Description

大功率 LED节能灯 技术领域  High-power LED energy-saving lamps
本发明涉及一种节能照明灯具， 尤其是一种大功率 LED节能灯。- 背景技术  The invention relates to an energy-saving lighting fixture, in particular to a high-power LED energy-saving lamp. - Background technique
在目前全球能源日益紧张的情况下， 各国都在倡导节能、寻找节能的各种 途径， 其中 LED (发光二极管） 由于其节能、 寿命长、 光效高、 无辐射、 抗冲 击等优点， 而备受瞩目。  In the current global energy shortage, countries are advocating energy-saving and looking for ways to save energy. Among them, LEDs (light-emitting diodes) are prepared for their energy saving, long life, high luminous efficiency, no radiation, and impact resistance. By the attention.
在市场上， 也已经有了各种 LED的灯具， 质量参差不齐， 大部分存在着亮 度不够、 功率有限、 散热效果差、 光衰减快、 成本高等问题。  In the market, there are also various LED lamps, the quality is uneven, and most of them have problems such as insufficient brightness, limited power, poor heat dissipation, fast light attenuation, and high cost.
在专利公开号为 CN1407271A的 LED芯片荧光节能灯发明专利中， 将 LED 镶嵌在灯罩内的灯芯柱上， 通过灯座内的驱动电源驱动 LED发光。显然该专利 没有很好的考虑到 LED的散热问题，单靠灯座下的圆周散热孔仍无法满足大功 率 LED的散热， 因此 LED只能采用低功率型的， 无法采用大功率的 LED, 限制 了灯具的亮度以及使用范围。 发明内容  In the invention patent of the LED chip fluorescent energy-saving lamp disclosed in Patent Publication No. CN1407271A, the LED is embedded in the wick column in the lamp cover, and the LED is illuminated by the driving power source in the lamp holder. Obviously, the patent does not take into account the heat dissipation problem of the LED. The circumferential heat dissipation hole under the lamp holder cannot meet the heat dissipation of the high-power LED. Therefore, the LED can only adopt the low-power type, and the high-power LED cannot be used. The brightness of the luminaire and the range of use. Summary of the invention
针对上述现有技术存在的不足， 本发明提供一种大功率 LED节能灯， 其包 括灯罩、 LED光源和灯头。 灯罩可以采用 PC材料、 压克力材料等制作。 LED光 源采用大功率 LED作为光源，其具有节能、使用寿命长、驱动电压低、无辐射、 抗振性能好等优点， 并根据需要可以调节 LED功率大小和数量。灯头由灯头主 体、绝缘体和焊锡组成， 在灯头主体用于镶嵌 LED—端为类圆台表面， 其上面 有镶嵌 LED的凹槽， 并设置有反光层， 能够增加光线的利用率。在类圆台表面 下方处， 制作有对应灯罩卡位的卡槽， 和卡位形成倒扣式连接结构， 连接灯罩 和灯头。在卡槽下方则制作有一圆周的散热孔， 主体内部设有凸肋， 在固定绝 缘体的同时增大散热面积， 绝缘体上也设有一圆周的散热孔， 和灯头主体上的 散热孔组成一个流通空气渠道，有利于灯头更好的散热， 另外绝缘体上的凹槽 对应于灯头主体上的凸肋， 通过衔接固定绝缘体， 焊锡则固定在绝缘体上， 使 焊锡和灯头主体互相绝缘。 所述 LED光源可以为单独管芯、芯片级封装、传统封装和表面安装式装置 (SMD) 等各种大功率 LED。 In view of the deficiencies of the above prior art, the present invention provides a high power LED energy saving lamp comprising a lampshade, an LED light source and a lamp cap. The lampshade can be made of PC material, acrylic material, or the like. The LED light source uses high-power LED as the light source, which has the advantages of energy saving, long service life, low driving voltage, no radiation, good anti-vibration performance, etc., and can adjust the LED power size and quantity as needed. The lamp cap is composed of the lamp body, the insulator and the solder. The lamp body is used for inlaying the LED. The end is a round table surface with a recessed LED on the top and a reflective layer, which can increase the utilization of light. Below the surface of the circular table, a card slot corresponding to the card cover is formed, and the card position forms an inverted connection structure for connecting the lamp cover and the lamp cap. A circumferential heat dissipation hole is formed under the card slot, and a rib is arranged inside the main body to increase the heat dissipation area while fixing the insulator. The insulator also has a circumferential heat dissipation hole, and the heat dissipation hole on the lamp body forms a circulating air. The channel is beneficial to better heat dissipation of the lamp cap. In addition, the groove on the insulator corresponds to the rib on the lamp body, and the insulator is fixed by the joint, and the solder is fixed on the insulator to insulate the solder and the lamp body from each other. The LED light source can be a variety of high power LEDs such as individual dies, chip scale packages, conventional packages, and surface mount devices (SMD).
所述的类圆台表面可以为圆台型、 圆锥型、棱柱型或圆柱型中的一种或几 种混合体。  The surface of the truncated cone may be one or a mixture of a truncated cone type, a conical type, a prismatic type or a cylindrical type.
所述灯头主体的类圆台表面设有反光层。  The surface of the truncated cone of the lamp body is provided with a light reflecting layer.
所述的灯头可以采用铜、 铝合金等各种金属和合金。  The lamp cap can be made of various metals and alloys such as copper and aluminum alloy.
所述灯罩外形可以为球形， 半球形， 蘑菇形， 炮弹形等各种形状。  The shape of the lampshade can be various shapes such as a spherical shape, a hemispherical shape, a mushroom shape, and a bullet shape.
所述灯罩内层涂布有荧光粉层， 以增加出射光的均匀度。  The inner layer of the lampshade is coated with a phosphor layer to increase the uniformity of the emitted light.
本发明采用的灯座为一体式散热结构， 通过一体式灯头的外壳、 内部的凸 肋和开孔，能够有效的将 LED光源产生的热量散发出去，达到很好的散热效果、 光衰减慢提高了 LED的使用寿命。灯罩和灯头采用倒扣式连接使工艺更为简洁， 节省了制造工艺及物料成本， 使产品更经济化。 附图说明  The lamp holder used in the invention is an integrated heat dissipation structure, and the heat generated by the LED light source can be effectively dissipated through the outer casing, the inner rib and the opening of the integrated lamp cap, thereby achieving good heat dissipation effect and slow light attenuation. The life of the LED. The lamp cover and the lamp cap are connected by a reverse button to make the process simpler, saving the manufacturing process and material cost, and making the product more economical. DRAWINGS
下面结合附图和实施例对本发明进一步说明。  The invention will now be further described with reference to the drawings and embodiments.
图 1为本发明的的立体结构示意图；  Figure 1 is a schematic perspective view of the present invention;
图 2为本发明的的剖面示意图；  Figure 2 is a schematic cross-sectional view of the present invention;
图 3为本发明的的立体结构分解图；  Figure 3 is an exploded perspective view of the present invention;
图 4为本发明的的另一立体结构分解图；  Figure 4 is another exploded perspective view of the present invention;
图 5.为本发明的的立体结构示意图 （蘑菇形灯罩）；  Figure 5 is a schematic perspective view of the present invention (mushroom shaped lampshade);
图 6为本发明的另一可行实施例的立体结构示意图 （球形灯罩）。 具体实施方式  Figure 6 is a perspective view of a three-dimensional structure (spherical lamp cover) of another possible embodiment of the present invention. detailed description
下面结合附图和具体实施例对本发明作进一步说明，但不作为对本发明的 限定。  The invention is further described with reference to the accompanying drawings and specific embodiments, which are not to be construed as limiting.
如图 1、 2可知， 本实施例由灯罩 1、 LED光源 2和灯头 3组成。其中灯罩 1为一椭圆形外观结构， LED光源 2固定在灯头 3的一端表面。  As can be seen from Figures 1 and 2, the present embodiment is composed of a lamp cover 1, an LED light source 2, and a lamp cap 3. The lampshade 1 is an elliptical appearance structure, and the LED light source 2 is fixed on one end surface of the lamp cap 3.
如图 3、 4可知，灯罩 1的内壁设置有荧光粉层 11。灯头 3由灯头主体 30、 绝缘体 36和焊锡 39组成。 在灯头主体 30用于镶嵌 LED11的一端为类圆台表 面 32， 其上面有镶嵌 LED11的凹槽 31。在类圆台表面 32下方处， 制作有对应 与灯罩端口的凹槽 33，和灯罩端口紧配， 形成倒扣式连接结构，将灯罩 1和灯 头 3连接固定起来。在凹槽 33下方则制作有一圆周的散热孔 34， 灯头主体 30 内部设有凸肋 35，在固定绝缘体 36的同时增大散热面积，绝缘体 36上也设有 一圆周散热孔 38，和灯头主体 30上的散热孔 34组成一个空气流通的渠道，有 利于 LED11通过灯头 3更好的散热，另外绝缘体 36上的凹槽 37对应于灯头主 体 30上的凸肋 35， 通过衔接固定绝缘体 36， 焊锡 39则固定在绝缘体 36上， 使焊锡 39和灯头主体 31互相绝缘。 As can be seen from FIGS. 3 and 4, the phosphor layer 11 is provided on the inner wall of the globe 1. The base 3 is composed of a base body 30, an insulator 36 and a solder 39. One end of the base body 30 for inlaying the LEDs 11 is a truncated-like surface 32 having a recess 31 in which the LEDs 11 are embedded. Under the surface 32 of the truncated cone, there is a corresponding The groove 33 of the lampshade port is matched with the lampshade port to form a reverse-locking connection structure, and the lampshade 1 and the lamp cap 3 are connected and fixed. A circumferential heat dissipation hole 34 is formed under the groove 33. The lamp body 30 is internally provided with a rib 35 to increase the heat dissipation area while fixing the insulator 36. The insulator 36 is also provided with a circumferential heat dissipation hole 38, and the lamp body 30. The upper heat dissipation holes 34 constitute a channel for air circulation, which facilitates better heat dissipation of the LED 11 through the lamp cap 3. In addition, the groove 37 on the insulator 36 corresponds to the rib 35 on the lamp body 30, and the insulator 36 is fixed by the connection, and the solder 39 Then, it is fixed to the insulator 36 to insulate the solder 39 and the base body 31 from each other.
如图 5、 6所示， 其灯罩 1分别是蘑菇形和球形， 并且也可以根据需要对 它们的外观进行各种变化。  As shown in Figs. 5 and 6, the lampshades 1 are respectively mushroom-shaped and spherical, and various changes can be made to their appearance as needed.
以上所述的实施例， 只是本发明较优选的具体实施方式， 本领域的技术人 员在本发明技术方案范围内进行的通常变化和替换都应包含在本发明的保护 范围内。  The embodiments described above are only preferred embodiments of the present invention, and the usual changes and substitutions made by those skilled in the art within the scope of the present invention are included in the scope of the present invention.

Claims

权 利 要 求 书 Claim
1、 一种大功率 LED节能灯， 包括灯罩、 LED光源和灯头， 灯罩设置 于灯头上， 其特征在于， 大功率 LED光源镶嵌于灯头端部的类圆台表面上的凹 槽内。 1. A high-power LED energy-saving lamp comprising a lampshade, an LED light source and a lamp cap, wherein the lampshade is disposed on the lamp cap, wherein the high-power LED light source is embedded in a recess in the surface of the round table at the end of the lamp cap.
2、 根据权利要求 1所述的大功率 LED节能灯， 其特征在于， 所述的灯头 为两端封闭的一个整体， 由灯头主体、 绝缘体和焊锡组成， 在灯头主体和绝缘 体上设有开孔， 内部设有凸肋， 绝缘体上设有凹槽。 2. The high-power LED energy-saving lamp according to claim 1, wherein the lamp cap is an integral part closed at both ends, and is composed of a lamp cap body, an insulator and a solder, and an opening is provided in the lamp cap body and the insulator. The inside is provided with a rib, and the insulator is provided with a groove.
3、 根据权利要求 1所述的大功率 LED节能灯， 其特征在于， 所述的类圆 台表面可以为圆台型、半球型、 圆锥型、棱柱型或圆柱型中的一种或几种的组 合体。 3. The high-power LED energy-saving lamp according to claim 1, wherein the surface of the truncated cone is one of a trombone type, a hemispherical type, a conical type, a prismatic type, or a cylindrical type. body.
4、 根据权利要求 1所述的大功率 LED节能灯， 其特征在于， 所述的灯头 上设有卡槽， 和灯罩端口紧配， 为倒扣式连接结构。 4. The high-power LED energy-saving lamp according to claim 1, wherein the lamp cap is provided with a card slot and is closely matched with the lamp cover port, and is a reverse button connection structure.
5、 据权利要求 1或 3所述大功率 LED节能灯， 其特征在于， 所述灯头主 体的类圆台表面设有反光层。 The high-power LED energy-saving lamp according to claim 1 or 3, characterized in that the surface of the truncated cone of the main body of the lamp cap is provided with a light reflecting layer.
6、 据权利要求 1或 4所述大功率 LED节能灯， 其特征在于， 所述灯罩内 层涂布有荧光粉层。 ' 6. The high power LED energy saving lamp according to claim 1 or 4, wherein the inner layer of the lampshade is coated with a phosphor layer. '
PCT/CN2007/002989 2006-10-20 2007-10-18 A high-power energy-saving led lamp WO2008049324A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2006101372346A CN1995809B (en) 2006-10-20 2006-10-20 High-power energy-saving LED light
CN200610137234.6 2006-10-20

Publications (1)

Publication Number Publication Date
WO2008049324A1 true WO2008049324A1 (en) 2008-05-02

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WO (1) WO2008049324A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2287527A1 (en) * 2009-07-28 2011-02-23 Young Dong Tech Co., Ltd. Light emitting diode lighting device
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US8432088B2 (en) 2011-01-03 2013-04-30 Crs Electronics Permanent conversion adapter for lighting fixtures
US11555997B2 (en) 2015-04-27 2023-01-17 Endochoice, Inc. Endoscope with integrated measurement of distance to objects of interest

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