E Ink announced that the company will invest NT$1.5 billion (US$51.9 million; US$1=NT$28.9) in CPT (Chunghwa Picture Tubes), according to a July 19, 2011 press release by CPT. E Ink is expected to purchase unsecured convertible bonds worth NT$1.5 billion (US$51.9 million) from its partner, and the transaction is slated to be closed by the end of July this year. Through production cooperation and technology exchanges with E Ink, CPT aims to enhance its utilization rate and earnings. E Ink's move is expected to secure panel supplies from CPT's 6-generation fab in order to deal with increasing demand for e-reader devices.