LED luminaire with integrated battery backup

An LED luminaire comprising:

• a luminaire body having a main lighting deck;
• at least one LED mounted on said main lighting deck of said luminaire body;
• a diffuser panel received and secured in interfitting relation over said main lighting deck;
• an LED driver module mounted on a rear surface of the main lighting deck of the luminaire body and connected to said at least one LED, said LED driver module having a normal power supply input and being configured to control delivery of power from said normal power supply input to said at least one LED;
• a light fixture housing configured and arranged to be mounted within a building infrastructure, said light fixture housing have a top wall and downwardly extending sidewalls forming an internal cavity;
• an emergency battery backup assembly received within an upper portion of said internal cavity of said light fixture housing adjacent said top wall, said emergency battery backup assembly including a backup battery, and an emergency light control module connected between said backup battery and said at least one LED, said emergency light control module including an emergency power supply input;
• a housing fixture bracket, said emergency backup assembly mounted on said housing fixture bracket, said housing fixture support bracket being secured within said light fixture housing to position said emergency backup assembly in said upper portion of said internal cavity,
• said luminaire body being assembled in interfitting relation with said light fixture housing wherein said rear surface of said main lighting deck of said luminaire body is received in adjacent relation with terminal edges of said sidewalls,
• said emergency light control module charging said backup battery when power is available from said normal power supply or said emergency power supply,
• said LED driver module, said emergency light control module and said backup battery cooperating to provide power to said at least one LED from said normal power supply when said normal power supply is available, from said emergency power supply when said normal power supply is not available, and from said backup battery when neither of said normal power supply and said emergency power supply are available.