Patent Number: 7,648,258

Title: LED lamp with improved heat sink

Abstract: An LED lamp includes a heat sink, an LED module attached to a top surface of the heat sink in a thermal conductive relationship therewith and a cover coupled to the top surface of the heat sink and covering the LED module. The heat sink is column-shaped and has a central axis. The heat sink comprises a conducting member and a plurality of spaced and parallel fins extending outwardly from the conducting member. A distance between each of inner edges of the fins and the central axis is gradually decreased from the top surface to a bottom surface of the heat sink.

Inventors: Shuai; Chun-Jiang (Shenzhen, CN), Yu; Guang (Shenzhen, CN), Lai; Cheng-Tien (Taipei Hsien, TW)

Assignee: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd.

International Classification: F21V 29/00 (20060101)

Expiration Date: 1/19/12018