Led lamp with an improved heat sink
AssigneesFu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
InventorsHao Li, Yong-Dong Chen, Shih-Hsun Wung
Life of this patent
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Abstract
A recessed LED lamp for being mounted in a wall or a ceiling, includes a housing (10), a printed circuit board (20) received in the housing, a plurality of LEDs (22) mounted on the printed circuit board, a casing (40) surrounding the housing, a pair of arms (50) resiliently and pivotably attached on the casing, and a heat sink (30) secured below the housing. The heat sink includes a base (32) contacting the printed circuit board and thermally connecting therewith, a plate (34) extending outwardly from the base and a plurality of fins (36) extending downwardly from the plate (34).
Claims17
An LED lamp comprising:
- a housing;
- a printed circuit board received in the housing;
- a plurality of LEDs mounted on the printed circuit board;
- a casing surrounding an upper portion of the housing;
- a heat sink contacting and thermally connecting the printed circuit board, comprising:
- a base contacting the printed circuit board and accommodated in a lower portion of the housing;
- a plate larger than the base and integral with the base;
- and
- a plurality of fins extending downwardly and perpendicularly from the plate to a location outside the housing.
A recessed LED lamp comprising:
- a lamp fixture comprising:
- a casing assembly;
- a flange extending outwardly and horizontally from the casing assembly, adapted for intimately abutting against a front side of a wall;
- a pair of arms fixed slantwise attached on the casing assembly, adapted for resiliently abutting against a rear side of the wall;
- a printed circuit board received in the casing assembly;
- a plurality of LEDs mounted on the printed circuit board;
- and
- a heat sink secured below the casing assembly, comprising:
- a base contacting the printed circuit board;
- a plate extending outwardly from a bottom face of the base beyond a periphery of the base;
- a plurality of fins extending downwardly from the plate.
Dependencies are inferred from the claim text.