JinkoSolar and its eight subsidiaries, including those based in Vietnam and the US, made “tunnel oxide passivated contact” solar cells and placed them inside solar panel product lines, according to a complaint filed Tuesday in the US District Court for the District of Delaware. US-based First Solar said the solar cells infringe US Patent No. 9,130,074.
The ‘074 patent concerns manufacturing methods for high-efficiency solar cell structures, according to the company.
First Solar announced that it owns ...