Abstract: Provided herein are LED arrays and LED lamp boards, for example, a stick-on lamp board. Each LED array or stick-on lamp board has a printed circuit board to which are mounted a combination of lamp bead types operably connected to the circuit board and a power supply operably connected to the printed circuit. The LED arrays and stick-on lamp beads may be removably or permanently secured to a surface. Also provided are sets and lighting systems of two or more of the LED arrays or stick-on lamp boards.

Abstract: Provided herein are double-sided panel lights, for example, double-sided LED panel lights. The panel lights have a body with a light emitting portion and a control portion. The light emitting portion has a light board on the front surface and on the back surface, where each light board contains a different light group such as an RGB light group and a two-color light group, and a support frame rotatably connected thereto. Transparent panels may cover the light boards. At least one light blocking plate may be removably attached to the light emitting portion. The control portion has a control module and a power module.