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1. 发明申请

WO2011109100A3 LED LAMP OR BULB WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION WITH ENHANCED SCATTERING PROPERTIES 审中-公开
标题翻译：带有远程磷光体的LED灯或灯泡和具有增强散射特性的差分配置
公开(公告)号：WO2011109100A3
公开(公告)日：2012-01-05
申请号：PCT/US2011000407
申请日：2011-03-02
申请人： CREE INC , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
发明人： TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
IPC分类号： F21V15/06 , F21K99/00 , F21V9/16 , F21Y101/02
CPC分类号： F21V9/16 , F21K9/232 , F21K9/64 , F21V3/00 , F21V3/02 , F21V3/0481 , F21V29/006 , F21V29/505 , F21V29/51 , F21V29/767 , F21V29/773 , F21V29/85 , F21Y2115/10
摘要： A solid lamp (50), comprising: an light emitting diode (LED) based light source (58); a remote wavelength conversion material (66) spaced from said LED light source; a diffuser (76) remote to said remote wavelength conversion material wherein said diffuser comprises a geometry and light scattering properties to disperse the light from said LED light source and wavelength conversion material to a substantially omni-direction emission pattern.
摘要翻译：一种固体灯（50），包括：基于发光二极管（LED）的光源（58）; 与所述LED光源间隔开的远程波长转换材料（66）; 远离所述远程波长转换材料的漫射器（76），其中所述扩散器包括将来自所述LED光源和波长转换材料的光分散到基本上全向发射图案的几何形状和光散射性质。

2. 发明申请

WO2011109098A2 SOLID STATE LAMP AND BULB 审中-公开
标题翻译：固态灯和灯泡
公开(公告)号：WO2011109098A2
公开(公告)日：2011-09-09
申请号：PCT/US2011000405
申请日：2011-03-02
申请人： CREE INC , LE LONG LARRY , PICKARD PAUL , LAY JAMES MICHAEL , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
发明人： LE LONG LARRY , PICKARD PAUL , LAY JAMES MICHAEL , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
IPC分类号： F21K99/00 , F21Y101/02
CPC分类号： F21V29/767 , F21K9/232 , F21K9/64 , F21V3/00 , F21V3/02 , F21V3/0481 , F21V29/745 , F21V29/773 , F21V29/85 , F21Y2115/10 , H01L2224/48091 , H01L2224/48247 , H01L2224/73265 , H01L2924/181 , H01L2924/00012 , H01L2924/00014
摘要： Solid state lamps and bulbs comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffuser. These are arranged on a heat sink in a manner that allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Various embodiments of the invention may be used to address many of the difficulties associated with utilizing efficient solid state light sources such as LEDs in the fabrication of lamps or bulbs suitable for direct replacement of traditional incandescent bulbs. Embodiments of the invention can be arranged to fit recognized standard size profiles such as those ascribed to commonly used lamps such as incandescent light bulbs, while still providing emission patterns that comply with ENERGY STAR® standards.
摘要翻译：固态灯和灯泡包括不同的组合和布置的光源，一个或多个波长转换材料，相对于光源单独地或远程定位的区域或层，以及单独的扩散器。这些以允许制造有效，可靠和成本有效的灯泡的方式布置在散热器上，并且可以提供基本上全方位的发射图案，即使由包括共面布置的光源的LED。此外，当灯不被照亮时，这种布置允许对转换区域或层的外观的美观掩蔽或隐藏。可以使用本发明的各种实施例来解决在制造适于直接替代传统白炽灯泡的灯泡或灯泡中利用有效的固态光源（例如LED）所涉及的许多困难。本发明的实施例可以被布置成适合公认的标准尺寸轮廓，例如归因于常用灯（例如白炽灯泡）的标准尺寸轮廓，同时仍然提供符合ENERGYSTAR®标准的排放模式。

3. 发明申请

WO2011109087A3 NON-UNIFORM DIFFUSER TO SCATTER LIGHT INTO UNIFORM EMISSION PATTERN 审中-公开
标题翻译：散射光散射到均匀发射图案中的非均匀差分
公开(公告)号：WO2011109087A3
公开(公告)日：2013-06-13
申请号：PCT/US2011000390
申请日：2011-03-02
申请人： CREE INC , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD , GUSCHL PETER , YUAN ZONGJIE
发明人： TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD , GUSCHL PETER , YUAN ZONGJIE
IPC分类号： F21K99/00 , F21V5/00
CPC分类号： F21K9/135 , F21K9/232 , F21K9/60 , F21K9/64 , F21K9/65 , F21V3/0481 , F21V5/002 , F21V29/505 , F21Y2115/10 , H01L2224/48091 , H01L2224/48247 , H01L2224/73265 , H01L2924/181 , H01L2924/00012 , H01L2924/00014
摘要： A lighting device comprising a light source and a diffuser spaced from the light source. The lighting device further comprises a wavelength conversion material disposed between the light source and the diffuser and spaced from the light source and the diffuser, wherein the diffuser is shaped such that there are different distances between the diffuser and said conversion material at different emission angles. In other embodiments the diffuser includes areas with different diffusing characteristics. Some lamps are arranged to meet A19 and Energy Star lighting standards.
摘要翻译：一种照明装置，包括光源和与光源间隔开的扩散器。照明装置还包括设置在光源和扩散器之间并与光源和漫射器隔开的波长转换材料，其中扩散器被成形为使得扩散器和所述转换材料之间在不同的发射角度处具有不同的距离。在其它实施例中，扩散器包括具有不同扩散特性的区域。一些灯具被安排满足A19和能源之星照明标准。

4. 发明申请

WO2011109098A9 SOLID STATE LAMP AND BULB 审中-公开
标题翻译：固态灯和灯泡
公开(公告)号：WO2011109098A9
公开(公告)日：2011-12-01
申请号：PCT/US2011000405
申请日：2011-03-02
申请人： CREE INC , LE LONG LARRY , PICKARD PAUL , LAY JAMES MICHAEL , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
发明人： LE LONG LARRY , PICKARD PAUL , LAY JAMES MICHAEL , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
IPC分类号： F21K99/00 , F21Y101/02
CPC分类号： F21V29/767 , F21K9/232 , F21K9/64 , F21V3/00 , F21V3/02 , F21V3/0481 , F21V29/745 , F21V29/773 , F21V29/85 , F21Y2115/10 , H01L2224/48091 , H01L2224/48247 , H01L2224/73265 , H01L2924/181 , H01L2924/00012 , H01L2924/00014
摘要： Solid state lamps and bulbs comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffuser. These are arranged on a heat sink in a manner that allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Various embodiments of the invention may be used to address many of the difficulties associated with utilizing efficient solid state light sources such as LEDs in the fabrication of lamps or bulbs suitable for direct replacement of traditional incandescent bulbs. Embodiments of the invention can be arranged to fit recognized standard size profiles such as those ascribed to commonly used lamps such as incandescent light bulbs, while still providing emission patterns that comply with ENERGY STAR® standards.
摘要翻译：固态灯和灯泡包括光源，一个或多个波长转换材料，相对于光源分开或远离定位的一个或多个波长转换材料，区域或层以及单独的漫射器的不同组合和布置。它们以允许制造高效，可靠且具有成本效益的灯和灯泡的方式布置在散热器上，并且即使在由共面布置构成的光源的情况下也可以提供基本上全向的发射模式的LED。另外，当灯未被照亮时，这种布置允许审美遮蔽或隐藏转换区域或层的外观。本发明的各种实施例可以用于解决与在制造适合于直接替换传统白炽灯泡的灯或灯泡中使用诸如LED的高效固态光源相关的许多困难。本发明的实施例可以被布置成适合公认的标准尺寸轮廓，例如归属于常用灯（例如白炽灯泡）的标准尺寸轮廓，同时仍然提供符合ENERGYSTAR®标准的发射模式。

5. 发明申请

WO2011109100A2 LED LAMP OR BULB WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION WITH ENHANCED SCATTERING PROPERTIES 审中-公开
标题翻译：具有增强散射特性的远红外荧光粉和扩散板配置的LED灯泡
公开(公告)号：WO2011109100A2
公开(公告)日：2011-09-09
申请号：PCT/US2011000407
申请日：2011-03-02
申请人： CREE INC , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
发明人： TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W JR , VAN DE VEN ANTONY , NEGLEY GERALD
IPC分类号： F21V15/06 , F21K99/00 , F21V9/16 , F21Y101/02
CPC分类号： F21V9/16 , F21K9/232 , F21K9/64 , F21V3/00 , F21V3/02 , F21V3/0481 , F21V29/006 , F21V29/505 , F21V29/51 , F21V29/767 , F21V29/773 , F21V29/85 , F21Y2115/10
摘要： An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and an optical cavity. The optical cavity comprises a phosphor carrier having a conversions material and arranged over an opening to the cavity. The phosphor carrier comprises a thermally conductive transparent material and is thermally coupled to the heat sink structure. An LED based light source is mounted in the optical cavity remote to the phosphor carrier with light from the light source passing through the phosphor carrier. A diffuser dome is included that is mounted over the optical cavity, with light from the optical cavity passing through the diffuser dome. The properties of the diffuser, such as geometry, scattering properties of the scattering layer, surface roughness or smoothness, and spatial distribution of the scattering layer properties may be used to control various lamp properties such as color uniformity and light intensity distribution as a function of viewing angle.
摘要翻译：公开了一种LED灯或灯泡，其包括光源，散热器结构和光学腔。光学腔包括具有转换材料并布置在腔的开口上的磷光体载体。磷光体载体包括导热透明材料并且热耦合到散热器结构。基于LED的光源安装在远离荧光体载体的光学腔中，其中来自光源的光穿过荧光体载体。包括安装在光腔上的扩散罩，来自光腔的光穿过扩散罩。散射体的性质，诸如几何形状，散射层的散射性质，表面粗糙度或平滑度以及散射层性质的空间分布可用于控制各种灯性质，例如色彩均匀性和光强度分布，作为可视角度。

6. 发明申请

WO2011109092A3 LED LAMP WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION 审中-公开
标题翻译：带有远端磷光体和发光二极管配置的LED灯
公开(公告)号：WO2011109092A3
公开(公告)日：2011-11-24
申请号：PCT/US2011000398
申请日：2011-03-02
申请人： CREE INC , TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W , VAN DE VEN ANTONY , NEGLEY GERALD
发明人： TONG TAO , LETOQUIN RONAN , KELLER BERND , TARSA ERIC , YOUMANS MARK , LOWES THEODORE , MEDENDORP NICHOLAS W , VAN DE VEN ANTONY , NEGLEY GERALD
IPC分类号： F21K99/00 , F21V3/00 , F21V29/00 , F21Y101/02
CPC分类号： F21V3/00 , F21K9/00 , F21K9/232 , F21K9/64 , F21V29/505 , F21V29/677 , F21V29/745 , F21V29/767 , F21V29/773 , F21V29/85 , F21Y2115/10
摘要： An LED lamp (320) or bulb is disclosed that comprises a light source (324), a heat sink structure (325) and an optical cavity (322). The optical cavity comprises a phosphor carrier (328) having a conversions material and arranged over an opening to the cavity. The phosphor carrier comprises a thermally conductive transparent material and is thermally coupled to the heat sink structure. An LED based light source is mounted in the optical cavity remote to the phosphor carrier with light from the light source passing through the phosphor carrier. A diffuser dome (330) is included that is mounted over the optical cavity, with light from the optical cavity passing through the diffuser dome. The diffuser dome can disperse the light passing through it into the desired emission pattern, such as omnidirection. In one embodiment, the light source can be blue emitting LED and the phosphor carrier can include a yellow phosphor, with the LED lamp or bulb emitting a white light combination of LED and phosphor light.
摘要翻译：公开了一种包括光源（324），散热结构（325）和光学腔（322）的LED灯（320）或灯泡。光腔包括具有转换材料并布置在空腔的开口上方的荧光体载体（328）。荧光体载体包括导热透明材料并且热耦合到散热器结构。基于LED的光源通过来自光源的光穿过荧光体载体而安装在远离荧光体载体的光学腔中。包括安装在光学腔上的扩散器圆顶（330），来自光学腔的光通过扩散器圆顶。扩散器圆顶可以将通过它的光分散成所需的发射图案，例如全方向。在一个实施例中，光源可以是蓝色LED，并且荧光体载体可以包括黄色磷光体，LED灯或灯泡发出LED和磷光体的白光组合。

7. 发明申请

WO2011109099A3 LED LAMP WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION UTILIZING RED EMITTERS 审中-公开
标题翻译：带有远程荧光灯的LED灯泡和利用红色发射体的发光二极管配置
公开(公告)号：WO2011109099A3
公开(公告)日：2011-11-03
申请号：PCT/US2011000406
申请日：2011-03-02
申请人： CREE INC , YUAN ZONGJIE , TARSA ERIC , TONG TAO , LETOQUIN RONAN , KELLER BERND , LE LONG LARRY , LAY JAMES MICHAEL , DEMUYNCK RANDOLPH CARY , NEGLEY GERALD , VAN DE VEN ANTONY P
发明人： YUAN ZONGJIE , TARSA ERIC , TONG TAO , LETOQUIN RONAN , KELLER BERND , LE LONG LARRY , LAY JAMES MICHAEL , DEMUYNCK RANDOLPH CARY , NEGLEY GERALD , VAN DE VEN ANTONY P
IPC分类号： F21K99/00 , F21V9/16 , F21Y101/02
CPC分类号： F21K9/135 , F21K9/232 , F21K9/64 , F21V3/02 , F21V3/0481 , F21V9/16 , F21V29/505 , F21V29/507 , F21V29/677 , F21V29/745 , F21V29/75 , F21V29/773 , F21Y2105/10 , F21Y2113/13 , F21Y2115/10
摘要： Lamps and bulbs are disclosed generally comprising different combinations and arrangement of a light source (58), one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffusing layer. This arrangement allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni - directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Some embodiments of the present invention utilize LED chips (202) to provide one or more lighting components instead of providing the components through phosphor conversion. This can provide for lamps that can be operated with lower power and can be manufactured at lower cost. In one embodiment, a red lighting component can be provided by red emitting LEDs as opposed to a red conversion material.
摘要翻译：公开的灯和灯泡通常包括光源（58），一个或多个波长转换材料，相对于光源分开或远程定位的区域或层的不同组合和布置，以及单独的漫射层。这种布置允许制造高效，可靠和成本有效的灯和灯泡，并且可以提供基本上全方位的发射图案，即使由包括LED的共面布置的光源也是如此。此外，当灯不被照亮时，这种布置允许对转换区域或层的外观的美观掩蔽或隐藏。本发明的一些实施例利用LED芯片（202）提供一个或多个照明组件，而不是通过磷光体转换提供组件。这可以提供可以以较低功率操作并且可以以较低成本制造的灯。在一个实施例中，与红色转换材料相反，红色发光部件可以由红色发光LED提供。

8. 发明申请

WO2011109086A3 SOLID STATE LAMP WITH THERMAL SPREADING ELEMENTS AND LIGHT DIRECTING OPTICS 审中-公开
标题翻译：具有热膨胀元件和光导光学的固态灯
公开(公告)号：WO2011109086A3
公开(公告)日：2013-06-13
申请号：PCT/US2011000389
申请日：2011-03-02
申请人： CREE INC , TARSA ERIC , LETOQUIN RONAN , TONG TAO , KELLER BERND
发明人： TARSA ERIC , LETOQUIN RONAN , TONG TAO , KELLER BERND
IPC分类号： F21K99/00 , F21V3/02 , F21V29/00
CPC分类号： F21V29/00 , F21K9/232 , F21K9/60 , F21K9/62 , F21K9/64 , F21V3/02 , F21V3/0481 , F21V29/505 , F21V29/773 , F21Y2115/10 , H01L2224/48091 , H01L2924/00014
摘要： Lamps and bulbs are disclosed generally comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffusing layer. This arrangement allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. The lamps according to the present invention can also comprise thermal management features that provide for efficient dissipation of heat from the LEDs, which in turn allows the LEDs to operate at lower temperatures. The lamps can also comprise optical elements to help change the emission pattern from the generally directional (e.g. Lambertian) pattern of the LEDs to a more omni-directional pattern.
摘要翻译：公开了通常包括光源，一个或多个波长转换材料，相对于光源单独或远程定位的区域或多个层的不同组合和布置的灯泡和单独的扩散层。这种布置允许制造高效，可靠和成本有效的灯和灯泡，并且可以提供基本上全方位的发射图案，即使由包括LED的共面布置的光源也是如此。根据本发明的灯还可以包括热管理特征，其提供来自LED的热量的有效耗散，这又允许LED在较低温度下操作。灯还可以包括光学元件，以帮助将发射图案从LED的大致定向（例如朗伯式）图案改变为更全面的图案。

9. 发明申请

WO2011109088A2 LED LAMP WITH ACTIVE COOLING ELEMENT 审中-公开
标题翻译： LED活动冷却元件
公开(公告)号：WO2011109088A2
公开(公告)日：2011-09-09
申请号：PCT/US2011000391
申请日：2011-03-02
申请人： CREE INC , TONG TAO , YOUMANS MARK , HE YEJIN
发明人： TONG TAO , YOUMANS MARK , HE YEJIN
IPC分类号： F21V29/02
CPC分类号： F21K9/64 , F21K9/135 , F21K9/232 , F21V3/02 , F21V29/02 , F21V29/505 , F21V29/506 , F21V29/67 , F21V29/773 , F21Y2101/00 , F21Y2107/40 , F21Y2115/10
摘要： Solid state lamp or bulb structures are disclosed that can provide an essentially omnidirectional emission pattern from directional emitting light sources, such as forward emitting light sources. The present invention is also directed to lamp structures using active elements to assist in thermal management of the lamp structures and in some embodiments to reduce the convective thermal resistance around certain of the lamp elements to increase the natural heat convection away from the lamp. Some embodiments include integral fans or other active elements that move air over the surfaces of a heat sink, while other embodiments comprise internal fans or other active elements that can draw air internal to the lamp. The fan's movement of the air over these surfaces can agitate otherwise stagnant air to decrease the convective thermal resistance and increasing the ability of the lamp to dissipate heat generated during operation.
摘要翻译：公开了固态灯或灯泡结构，其可以提供来自定向发射光源（例如正向发射光源）的基本上全向的发射图案。本发明还涉及使用有源元件来辅助灯结构的热管理的灯结构，并且在一些实施例中，减少围绕某些灯元件的对流热阻，以增加远离灯的自然热对流。一些实施例包括将空气移动到散热器的表面上的整体式风扇或其它有源元件，而其它实施例包括能够吸入灯内部的空气的内部风扇或其它有源元件。风扇在这些表面上的运动可能会搅动停滞的空气，以降低对流热阻，并增加灯泡散失在运行过程中产生的热量的能力。

10. 发明申请

WO2011109095A2 LED LAMP WITH ACTIVE COOLING ELEMENT 审中-公开
标题翻译：带主动冷却元件的LED灯
公开(公告)号：WO2011109095A2
公开(公告)日：2011-09-09
申请号：PCT/US2011000402
申请日：2011-03-02
申请人： CREE INC , TONG TAO , YOUMANS MARK , HE YEJIN
发明人： TONG TAO , YOUMANS MARK , HE YEJIN
IPC分类号： F21V29/02
CPC分类号： F21V3/02 , F21K9/232 , F21K9/62 , F21K9/64 , F21V3/0481 , F21V29/02 , F21V29/63 , F21V29/67 , F21V29/673 , F21V29/677 , F21V29/773 , F21Y2115/10
摘要： Solid state lamp or bulb structures are disclosed that can provide an essentially omnidirectional emission pattern from directional emitting light sources, such as forward emitting light sources. The present invention is also directed to lamp structures using active elements to assist in thermal management of the lamp structures and in some embodiments to reduce the convective thermal resistance around certain of the lamp elements to increase the natural heat convection away from the lamp. Some embodiments include integral fans or other active elements such as diaphragm-pump type active cooling elements, that move air over the surfaces of a heat sink, while other embodiments comprise internal fans or other active elements that can draw air internal to the lamp. The movement of the air over these surfaces can agitate otherwise stagnant air to decrease the convective thermal resistance and increasing the ability of the lamp to dissipate heat generated during operation.
摘要翻译：公开了固态灯或灯泡结构，其可以提供来自定向发射光源（例如前向发射光源）的基本全向发射图案。本发明还涉及使用有源元件来辅助灯结构的热管理的灯结构，并且在一些实施例中，以降低某些灯元件周围的对流热阻以增加远离灯的自然热对流。一些实施例包括整体式风扇或其他有源元件，例如隔膜泵式主动冷却元件，其将空气移动到散热器的表面上，而其他实施例包括内部风扇或其他可将空气吸入灯内的有源元件。空气在这些表面上的移动可以搅动否则停滞的空气以降低对流热阻并增加灯散热运行期间产生的热量的能力。

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