Analysis on the Solar Cell Technology Present Development Situation Based On the Patent Data

Grasping development status and tendency of the solar cell technology is of important significance in improving the competitiveness of a country in this industry. Patents include important information of technology. So this paper chooses the Derwent patent database to study the worldwide solar cell technology. Through quantitative analysis of the annual patent distribution, the country distribution, the application distribution and other aspects to fully reveal the status quo of innovative and the development trend of solar cell industry. This paper provide factual basis and decision support, which can assist the government, research institutions and enterprises to establish development plans and perform relevant research.