Sony plans to raise about 440 billion yen ($3.6 billion) in a sale of shares and convertible bonds in Japan and overseas, the company said Tuesday.

Sony will use the funds to develop and produce stacked CMOS image sensors in its smartphones to “further enhance profitability,” the company said.

The company has said it’s quadrupling investment in semiconductors to 290 billion yen this year to tap surging demand for the sensors used in Apple and Samsung smartphones.

Sony expects sales in the image censor business to climb as much as 62% to 1.5 trillion yen in the next three years, Bloomberg said.

http://ww2.cfo.com/capital-markets/2015/06/sony-raise-3-6-billion-equity-debt/