Slim led lighting device with large area and lamp using the same

PURPOSE: A slim type large area LED(Light Emitting Diode) lighting device and a lighting lamp are provided to secure the uniform illuminance distribution by forming an aspherical lens into a bending shape. CONSTITUTION: A side LED mounting unit(110) is arranged in the side of a light guide plate(140). A back side LED mounting unit(150) is arranged in the back side of the light guide plate. A front surface(120) is arranged in the front side of the light guide plate. The front surface comprises a front plate and an aspherical lens. The aspherical lens has a bending shape. A diffusing plate(130) is arranged between the front surface and the light guide plate. A reflector(160) is arranged in the back side of the back side LED mounting unit. A metal plate(170) is arranged in the back side of the reflector.