| 摘要 |
PURPOSE: An LED lighting device capable of supporting a dimming control is provided to reduce the waste of energy by reducing power consumption according to a road condition and time. CONSTITUTION: An optical source part(130) includes a plurality of lamp channels. A control apparatus controls at least some of the plurality of lamp channels to turn on and off. The optical source part is installed in a case. A diffusion lens is arranged to cover the front side of the case. A dimming control device comprises a driving part which supplies a predetermined power to the plurality of lamp channels, a plurality of switches(126) which supplies and intercepts a power source to/from the driving part, and an illumination control part(127) which controls a supply state or an interception state of the power source. [Reference numerals] (11) Timer; (110) Signal receiving part; (12) Counter; (121) Fuse; (123) Filter; (124) Power factor improving part; (125) Input voltage detecting part; (126) Switch part; (127) Illumination control part; (128) Current driving part; (130) Lamp channel; (131) First lamp channel; (132) Second lamp channel; (13N) Nth lamp channel; (160) Storage part; (200) Remote controller; (21) First current drive part; (22) Second current drive part; (2N) Nth current drive part; (300) Power supply part |
