Patent ID: 8545050

Claim:
A bulbtype AC power LED lamp comprising: an AC power LED board ( 20 ) on which an AC power LED ( 21 ) is mounted; a diffuser ( 20 a ) fixed to the AC power LED board ( 20 ) to surround the AC power LED ( 21 ), the diffuser ( 20 a ) diffusing light of the AC power LED ( 21 ); a board base ( 30 ) in which the AC power LED board ( 20 ) is insertedly attached to the inside of a board fixing groove ( 31 ), side surfaces and a bottom surface of the AC power LED board ( 20 ) are in contact with an inner surface of the board fixing groove ( 31 ), a bulb fixing groove ( 31 ′) extends along a circumference of the board fixing groove ( 31 ), a first power connection hole ( 32 ) passes through the board base ( 30 ); a heat sink ( 33 ) disposed along an entire outer surface of the board base ( 30 ), wherein the heat sink ( 33 ) comes in contact with an outer periphery of the board base ( 30 ); an insulation base ( 40 ) in which a second power connection hole ( 41 ) passing through the inside of the insulation base ( 40 ) and communicating with the first power connection hole ( 32 ) is defined, the insulation base ( 40 ) being connected to a lower end of the board base ( 30 ); a socket ( 50 ) connected to a lower end of the insulation base ( 40 ), the socket ( 50 ) being inserted into the first power connection hole ( 32 ) and the second power connection hole ( 42 ) to supply an AC power to the AC power LED ( 21 ) through a power connection unit electrically connected to the AC power LED board ( 20 ); and a bulb ( 60 ) inserted into the bulb fixing groove ( 31 ′) to cover the AC power LED board ( 20 ), wherein two or more AC power LEDs ( 21 ) are mounted on the AC power LED board ( 20 ), and all of the two or more AC power LEDs ( 21 ) are surrounded by a single diffuser ( 20 b ) to diffuse light, the single diffuser ( 20 b ) having a tube shape with a threaded outer periphery surface.