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    • 5. 发明申请
    • Method and Apparatus for Providing a Passive Color Control Scheme Using Blue and Red Emitters
    • 用于提供使用蓝色和红色发射器的被动色彩控制方案的方法和装置
    • US20140159612A1
    • 2014-06-12
    • US13708916
    • 2012-12-07
    • TAO TONG
    • TAO TONG
    • H05B33/08H01L27/15H01L33/50
    • H05B33/0854F21K9/64H01L25/0753H01L33/50H01L33/62H01L2924/0002H05B33/0857Y02B20/341H01L2924/00
    • A lighting device capable of generating warm or neutral white light using blue light-emitting diodes (“LEDs”), red LEDs, and/or luminescent material that responds to blue LED emission is disclosed. The lighting device includes multiple first solid-state light-emitting structures (“SLSs”), second SLSs, and balancing resistor element. The first SLS such as a string of blue LED dies connected in series is able to convert electrical energy to blue optical light, which is partially turned into longer wavelength emission by the luminescent material. The second SLS such as a red LED die is configured to convert electrical energy to red optical light, wherein the second SLSs are connected in series. While the first SLSs and second SLSs are coupled in parallel, the balancing resistor element provides load balance for current redistribution between the first and second SLSs in response to fluctuation of operating temperature.
    • 公开了一种能够使用蓝色发光二极管(“LED”),红色LED和/或响应于蓝色LED发射的发光材料产生温暖或中性白光的照明装置。 照明装置包括多个第一固态发光结构(“SLS”),第二SLS和平衡电阻元件。 串联连接的一串蓝色LED管芯的第一SLS能够将电能转换成蓝色光,其被部分地变成发光材料的较长波长发射。 诸如红色LED管芯的第二SLS被配置为将电能转换成红光,其中第二SLS串联连接。 当第一SLS和第二SLS并联耦合时,平衡电阻元件响应于工作温度的波动而为第一和第二SLS之间的电流再分配提供负载平衡。
    • 9. 发明申请
    • LED LAMP INCORPORATING REMOTE PHOSPHOR AND DIFFUSER WITH HEAT DISSIPATION FEATURES
    • LED灯具配备远程磷光体和散热器,具有散热功能
    • US20110215700A1
    • 2011-09-08
    • US13029005
    • 2011-02-16
    • TAO TONGRonan LetoquinBernd KellerEric Tarsa
    • TAO TONGRonan LetoquinBernd KellerEric Tarsa
    • H01J61/52
    • H01L33/505F21K9/232F21K9/64F21V3/02F21V3/12F21Y2115/10H01L2224/48091H01L2224/48247H01L2224/73265H01L2224/8592H01L2924/181H01L2924/00014H01L2924/00012
    • An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and a remote phosphor carrier having at least one conversion material. The phosphor carrier can be remote to the light sources and mounted to the heat sink so that heat from the phosphor carrier spreads into the heat sink. The phosphor carrier can have a three-dimensional shape, and can comprise a thermally conductive transparent material and a phosphor layer, with an LED based light source mounted to the heat sink such that light from the light source passes through the phosphor carrier. At least some of the LED light is converted by the phosphor carrier, with some lamp embodiments emitting a white light combination of LED and phosphor light. The phosphors in the phosphor carriers can be arranged to operate at a lower temperature to thereby operate at greater phosphor conversion efficiency and with reduced heat related damage to the phosphor. The lamps or bulbs can also comprise a diffuser over the phosphor carrier to distribute light and to conceal the phosphor carrier.
    • 公开了一种LED灯或灯泡,其包括光源,散热器结构和具有至少一种转换材料的远程荧光体载体。 荧光体载体可以远离光源并且安装到散热器,使得来自荧光体载体的热量扩散到散热器中。 荧光体载体可以具有三维形状,并且可以包括导热透明材料和荧光体层,其中基于LED的光源安装到散热器,使得来自光源的光通过荧光体载体。 至少一些LED光由荧光体载体转换,一些灯实施例发射LED和磷光体的白光组合。 荧光体载体中的荧光体可以被布置成在较低的温度下操作,从而以更高的荧光体转换效率和减少与荧光体相关的热损伤来操作。 灯泡或灯泡还可以包括荧光体载体上的漫射器以分配光并隐藏磷光体载体。
    • 10. 发明申请
    • LED LAMP WITH ACTIVE COOLING ELEMENT
    • LED活动冷却元件
    • US20110215698A1
    • 2011-09-08
    • US13022490
    • 2011-02-07
    • TAO TONGMARK YOUMANSYEJIN HE
    • TAO TONGMARK YOUMANSYEJIN HE
    • H01J7/24F28F13/00
    • F21V3/02F21K9/232F21K9/62F21K9/64F21V3/12F21V29/02F21V29/63F21V29/67F21V29/673F21V29/677F21V29/773F21Y2115/10
    • 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.
    • 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。 一些实施例包括整体式风扇或诸如隔膜泵型有源冷却元件的其它有源元件,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能够抽出灯内部的空气的其它有源元件。 空气在这些表面上的运动可以搅动否则停滞的空气,以降低对流热阻,并增加灯消散操作中产生的热量的能力。