Much of the existing Photo therapy units use fluorescent lamps or array of LEDs as the source of light, but the major drawback of all is that, they dissipate heat to the ambient air or the contacting skin which in turn results in water loss in the new born baby. „NeoBluecozy‟ photo therapy device is one among the device under study which uses a multiple array of LED‟s under a transparent sheet [7]. From our observation, the degree of freedom provided by the device to the baby is restricted, high cost, intensity focused on the center, high power consumption.