Patent attributes
An LED lighting device comprise a lamp cap; a case connected to the lamp cap and forming a cavity; a power supply disposed in the cavity; a light emission unit electrically connected to the power supply; and a heat exchange unit connected to the case, the light emission unit and the heat exchange unit are connected to form a thermal conduction path. The heat exchange unit comprises a fixing unit and a base, the light emission unit comprises an illuminator and a substrate, and the illuminator is mounted on the substrate. The fixing unit comprises a first fixing unit and a second fixing unit, the first fixing unit, the second fixing unit and the base are in an integrated structure, the first fixing unit and the second fixing unit are respectively matched with both ends of the substrate in a longitudinal direction of the substrate.
