Patent ID: 8246206

Claim:
A light emitting diode (LED) lamp comprising: a lamp rack comprising an inner wall and a frame extending integrally upwards and downwards from outer edges of the inner wall, the inner wall having an opening defined in a center thereof, the inner wall forming two spaced, confronting concave supporting portions at two spaced, confronting sides of the opening; a heat sink mounted on the lamp rack, the heat sink having a bottom portion thereof extending through the opening of the inner wall and having a top portion with two opposite ends, the opposite ends of the top portion being embedded in the concave supporting portions and abutted against the inner wall; and a light emitting module mounted on the top portion of the heat sink, the light emitting module comprising: a printed circuit board; and a plurality of LEDs attached to the printed circuit board, the LEDs being arranged in an array, each of the LEDs having a width W, each of the LEDs spacing from an adjoining LED with a distance D, the width W and the distance D being in a condition that 0.5>W/D>0.15.