#$%^&*AU2019253852A120191114.pdf#####ABSTRACT A lighting device configured to deactivate dangerous pathogens (e.g., MRSA bacteria) in an environment. The lighting device includes at least one lighting element configured to provide light. At least a first component of the light comprising light having a wavelength of between 400 nm and 420 nm, and at least a second component of the light comprising light having a wavelength of greater than 420 nm. The first component of light has a minimum integrated irradiance of.05 mW/cm2 measured from any unshielded point in the environment that is 1.5 m from any point on any external-most luminous surface of the lighting device. 501/27 --,-70 Client Device(s) 74 Networks) 50 --66 Server Central Control 76 Module 54 BRIDGE 1 62 BRIDGE 62 >；58 BRIDGE 62 FIG. 1
