LED lamp device

The invention discloses an LED lamp device. The LED lamp device comprises a lamp holder part fixedly mounted in a bedside wall body and a lamp head part matched with the lamp holder part for using. The lamp holder part is internally provided with a sliding cavity with a through opening facing right; convex blocks are arranged at the right end of the sliding cavity; a sliding frame is slidably mounted in the sliding cavity in the left and right direction; and step blocks matched with the convex blocks are arranged at the right end of the sliding frame. Power-on plates connected with city powerare mounted in the left end wall of the sliding cavity; power transmission plates matched with the power-on plates are arranged on the left end face of the sliding frame; inserting cavities with through openings facing right are formed in the sliding frame in an up-down symmetrical mode; arranging grooves with through openings facing the inserting cavities are formed in the positions, between thetwo inserting cavities, of