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    • 8. 发明授权
    • LED lamp module and fabrication method thereof
    • LED灯模组及其制造方法
    • US08072063B2
    • 2011-12-06
    • US12472781
    • 2009-05-27
    • Bill ChuangChi Chih Lin
    • Bill ChuangChi Chih Lin
    • F21V29/00
    • H01L33/648F21K9/00F21V29/763F21V29/767H01L25/0753H01L25/167H01L33/641H01L2224/48091H01L2224/73265H05K1/0203H05K1/182H01L2924/00014
    • An LED lamp module includes a heat sink element having one-piece form; a circuit substrate affixed onto the heat sink element, wherein the substrate has at least an opening exposing the heat sink element, and has an area smaller than that of the heat sink element; a plurality of LED chips mounted on the exposed portion of the heat sink element and electrically connected to the circuit substrate; and a light transparent package material, encapsulating the plurality of LED chips, wherein the heat sink element includes a uniform temperature plate or a plate including at least a vacuum cavity, and an extension part extending laterally from the plate and turned to surround the plurality of LED chips, forming a secondary optical structure. A fabrication method for the LED lamp module is also disclosed. Existing fabrication process is simplified and the cost is lowered with increased heat dissipation effect.
    • LED灯模块包括具有一体式的散热元件; 固定在所述散热元件上的电路基板,其中所述基板具有暴露所述散热元件的至少一个开口,并且具有小于所述散热元件的面积的面积; 多个LED芯片,其安装在散热元件的暴露部分上并电连接到电路基板; 以及封装所述多个LED芯片的轻透明封装材料,其中所述散热元件包括均匀的温度板或至少包括真空腔的板,以及从所述板横向延伸并且围绕所述多个 LED芯片,形成二次光学结构。 还公开了一种用于LED灯模块的制造方法。 现有的制造工艺简化,成本降低,散热效果增加。