Various embodiments described herein generally relate to light therapy apparatuses and systems, and methods of operating the light therapy apparatuses. An example light therapy apparatus includes a main chamber with a controller; a first and second side chambers flexibly mounted to the main chamber; and a circuit board partially enclosed within the chambers. The circuit board includes a main board portion partially enclosed within the main chamber, the main board portion comprising a main array of light-emitting diodes (LEDs); a first board portion partially enclosed within the first side chamber, the first board portion comprising a first side array of LEDs; a second board portion partially enclosed within the second side chamber, the second board portion comprising a second side array of LEDs.