The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 2011
Filed:
Feb. 21, 2008
Wen-xiang Zhang, Shenzhen, CN;
Guang Yu, Shenzhen, CN;
Cheng-tien Lai, Taipei Hsien, TW;
Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Foxconn Technology Co., Ltd., Tucheng, Taipei County, TW;
Abstract
An LED lamp includes a support, an envelope, a heat sink assembly and a plurality of LED modules. The envelope is coupled to the support. The heat sink assembly includes a first heat sink mounted on the envelope, a cylindrical second heat sink attached to a bottom surface of the first heat sink and positioned in the envelope, and a plurality of heat pipes. The LED modules are mounted on an outside wall of the second heat sink. The heat pipes have condensing portions embedded in the bottom surface of the first heat sink and evaporating portions sandwiched between the outside wall of the second heat sink and the LED modules.