Light-emitting diode circuit with parallel sequence function, light-emitting diode lamp, and light-emitting diode light string

A light-emitting diode lamp, comprising:

• two power pins configured to receive an input power source with a first specific voltage,
• a plurality of light-emitting diodes coupled to the two power pins,
• a light-emitting diode circuit coupled to the two power pins and the plurality of light-emitting diodes, and the light-emitting diode circuit is configured to receive the input power source through the two power pins, wherein the light-emitting diode circuit comprises:
• a sequence circuit configured to receive a first specific voltage generated by a wire resistance of the power wire under a sequence mode, and receive a pulse cluster with a specific frequency,
• wherein the sequence circuit is configured to count accumulated pulse waves of the pulse cluster as a value and determine the value according to the first specific voltage and the pulse cluster, and then set the value to a sequence number of the light-emitting diode circuit, and
• a package configured to package the light-emitting diode circuit, the plurality of light-emitting diodes, and the two power pins, wherein each power pin is partially exposed outside the package.

A light-emitting diode light string with a parallel sequence function, comprising:

• a power wire comprising an input terminal, a positive power wire, and a negative power wire;
• the input terminal configured to receive an input power source, and the power wire comprises a wire resistance,
• a power setting circuit coupled to the power wire, and the power setting circuit configured to provide a path from the input terminal, the positive power wire, and the negative power wire to the input terminal for the input power source, and adjust a current of the input power source to a constant current, and
• a plurality of light-emitting diode circuits, each light-emitting diode circuit coupled to the power wire and the power setting circuit, wherein each light-emitting diode circuit comprises:
• a sequence circuit configured to receive a first specific voltage generated by a wire resistance of the power wire under a sequence mode, and receive a pulse cluster with a specific frequency,
• wherein the sequence circuit is configured to determine a value according to the first specific voltage and the pulse cluster, and then set the value to a sequence number of the light-emitting diode circuit,
• wherein in a sequence mode, a plurality of wire resistances are provided between the input terminal and the plurality of light-emitting diode circuits;
• when the constant current flows through the plurality of wire resistances, a plurality of sequence circuits of the light-emitting diode circuits are respectively receive a plurality of first specific voltages with different voltage magnitudes according to a parallel sequence of the light-emitting diode circuits, and receive the pulse cluster with a specific frequency to compare the first specific voltage with the pulse cluster to correspondingly set a sequence number of the light-emitting diode circuit.