US Patent 11359797 Chip-on-board LED lighting devices

COB LED lighting devices are provided having a substrate, at least one parallel-connected LED segment formed on the substrate, at least one series-connected LED groups mounted to the substrate, each of the LED groups also including at least one parallel-connected LEDs, each LED connected to a pad of the substrate, the device also including a phosphor binder distributed over the LED segments on the substrate, and a current control circuit in electrical communication with each of the LED segments, each current control circuit formed on the substrate adjacent to the LED segments, external to the phosphor binder.