Led lamp

An LED lamp, at least comprising an LED lamp set and an adjustment assembly;

• the LED lamp set including an LED set and a cooling set;
• the LED set including at least one LED lamp element and a holder;
• wherein the LED lamp element includes:
• a light bulb which is an LED lighting element;
• a coupling boss which includes a clamp to hold the light bulb;
• two first conductive elements respectively formed in a column including an upper end electrically connected with the light bulb;
• a lamp shade which includes a second trough inside and an opening in the center of the bottom thereof to fasten the coupling boss;
• a lamp shell to engage with the second trough of the lamp shade;
• and
• a wiring member which includes two second electrode passages close to the axis and periphery thereof run through by the two first conductive elements;
• wherein the holder includes:
• a board which includes at least one aperture;
• at least one socket which is held in the aperture of the board and includes a third trough;
• at least one base board which is a printed circuit board held in the third trough of the socket and includes electrode circuits in the center and periphery thereof connected to the LED lamp element;
• and
• at least one buffer interposed between the third trough and the base board to provide cushion during assembly;
• wherein the cooling set includes at least one radiation fin to couple with the holder of the LED set to form an airflow passage;
• wherein the adjustment assembly is coupled with the LED set and the cooling set.