Smart multi-color light dimming led chip module, bulb, and light string

A smart multi-color light dimming LED chip module, comprising:

• a transparent circuit board;
• a control integrated circuit (IC);
• four metal terminals;
• and
• at least three light-emitting chips of different colors;
• wherein the control IC is disposed on the transparent circuit board, and the at least three light-emitting chips are uniformly disposed at a first side of the control IC on the transparent circuit board;
• the four metal terminals are disposed at a second side of the control IC on the transparent circuit board, the four metal terminals are respectively and electrically connected to a power supply pin, a ground pin, a signal input pin, and a signal output pin of the control IC;
• and
• the transparent circuit board comprises at least two circuit layers, a conductive pattern is disposed on each of the at least two circuit layers, and the conductive pattern is configured to electrically connect each of the at least three light-emitting chips to the power supply pin, the ground pin, the signal input pin, and the signal output pin of the control IC.