Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dan Long0
Date of Patent
May 9, 2023
0Patent Application Number
177013140
Date Filed
March 22, 2022
0Patent Citations
Patent Primary Examiner
A decorative lamp includes a base; at least three LED circuit boards, a plurality of LED lamp beads distributed on an outer surface of each LED circuit board; a main control board electrically connected with the LED circuit boards and having a controller configured to send a timing signal; a driving power electrically connected with the main control board and having a PWM driving circuit electrically connected with the LED circuit boards, for receiving the timing signal sent by the controller and outputting a PWM signal according to the received timing signal; and a hollow lampshade surrounding the LED circuit boards and the main control board.
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