| CPC F21V 14/02 (2013.01) [F21V 21/30 (2013.01); F21V 23/0435 (2013.01); F21V 29/70 (2015.01); F21V 31/005 (2013.01); F21Y 2105/16 (2016.08); F21Y 2113/00 (2013.01); F21Y 2115/10 (2016.08)] | 9 Claims |
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1. An LED lamp, comprising:
a heat dissipation base comprising a lamp panel mounting portion and a power supply mounting portion connected to an end of the lamp panel mounting portion, the lamp panel mounting portion being provided with a mounting groove;
an LED lamp panel fixedly mounted in the mounting groove and comprising a plurality of light emitting elements;
a driving power supply mounted to the power supply mounting portion;
a lens plate covering the LED lamp panel; and
a controlling device provided on the power supply mounting portion, wherein the controlling device is electrically connected between the LED lamp panel and the driving power supply and is configured to control each light emitting element corresponding different positions of the lens plate to emit light and adjust brightness of each light emitting element corresponding to different positions of the lens plate;
wherein the plurality of light emitting elements comprises at least two groups of light emitting elements arranged in a matrix;
wherein each group of the light emitting elements comprises a first lamp bead, a second lamp bead, a third lamp bead, and a fourth lamp bead, and a distance between the first lamp bead and the second lamp bead and a distance between the third lamp bead and the fourth lamp bead range from 0.8 mm to 1.2 mm, respectively;
wherein the controlling device comprises a first angle controller, the first angle controller comprises a power supply circuit, a Bluetooth circuit, an adjustment control circuit, and a plurality of relays, the power supply circuit is electrically connected to the Bluetooth circuit and the adjustment control circuit to supply power to the Bluetooth circuit and the adjustment control circuit, the Bluetooth circuit is configured to receive a light emitting angle control signal sent by an external electronic device and transmit the light emitting angle control signal to the adjustment control circuit, the plurality of relays are electrically connected to the driving power supply and the LED lamp panel, the adjustment control circuit is configured to control the corresponding relay to turn on or off according to different light emitting angle control signals to control the driving power supply to supply power to different light emitting elements, so as to control the first lamp bead, the second lamp bead, the third lamp bead, and the fourth lamp bead to emit light.
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