Patent ID: 8979310
Filing Date: 2015-03-17
Classification: F21K,F21V,F21Y

Abstract:
1. An omnidirectional LED light bulb, comprising a lamp base ( 1 ), a heat sink housing ( 2 ), an LED light source ( 3 ), a bulb ( 4 ), and a circuit board ( 5 ) arranged in a cavity of the heat sink housing ( 2 ), wherein the heat sink housing ( 2 ) is provided with a protruded platform ( 6 ) along the axial direction, the LED light source ( 3 ) which is an integrated light source with a shape of column is arranged on the top surface of the platform ( 6 ) and a packaging frame ( 8 ) thereof is provided with a polygonal prism head, LED chips ( 9 ) are arranged on the top and lateral surfaces of the head, and an annular reflecting surface ( 10 ) is arranged on the rear portion of the head of the frame ( 8 ).