US 12,238,831 B2
Lighting apparatus
Yangbin Xu, Fujian (CN); Yankun Li, Fujian (CN); Hemu Ye, Fujian (CN); Qiqiang Lin, Fujian (CN); and Zongyuan Liu, Fujian (CN)
Assigned to LEEDARSON LIGHTING CO.,LTD., Fujian (CN)
Filed by LEEDARSON LIGHTING CO.,LTD., Fujian (CN)
Filed on Jul. 26, 2023, as Appl. No. 18/226,722.
Claims priority of application No. 202221945218.0 (CN), filed on Jul. 26, 2022.
Prior Publication US 2024/0040681 A1, Feb. 1, 2024
Int. Cl. H05B 45/20 (2020.01); H05B 45/34 (2020.01)
CPC H05B 45/20 (2020.01) [H05B 45/34 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A lighting apparatus, comprising:
a light source plate comprising a substrate layer, a wiring layer and a protection layer, wherein the substrate layer is made of metal material, wherein a thickness of substrate layer is larger than ten times a total thickness of the wiring layer and the protection layer;
LED modules disposed on a top side of the light source plate; and
a driver module disposed on the top side of the light source plate, wherein the LED modules and the driver module are electrically connected via the wiring layer, wherein the driver module comprises an AC-DC converter, a regulator, a controller, a current source and an oscillation wave removal circuit, wherein the controller controls the current source to generate driving currents to the LED modules, wherein the oscillation wave removal circuit is coupled to the AC-DC converter for suppressing a sudden abnormal peak voltage from the AC-DC converter.