Infant Phototherapy Incubator segmentation by application isolates three principal uses that together drive the market’s revenue composition. The dominant segment, neonatal jaundice treatment, accounts for roughly 70 % of total sales because bilirubin‑induced hyperbilirubinemia remains the most common indication in NICUs worldwide; devices in this segment are procured for continuous phototherapy combined with thermal regulation, directly influencing unit‑level capital expenditure. The therapeutic hypothermia application, representing about 20 % of the market, targets infants with hypoxic‑ischemic encephalopathy, where controlled cooling is integrated with light exposure to mitigate neuronal injury; its higher unit cost and lower adoption rate reflect specialized clinical protocols. A smaller, emerging niche—combined phototherapy and incubator solutions for multi‑modal care—contributes the remaining 10 %; this segment is gaining traction in tertiary centers that prioritize equipment consolidation. Collectively, these application categories define the market’s size, with each share proportional to clinical prevalence, reimbursement structures, and technology diffusion. Projected demographic shifts and expanding neonatal screening programs are expected to sustain the jaundice segment’s share, while policy incentives for neuroprotective care may accelerate the hypothermia segment’s growth trajectory.