The flat panel display (FPD) industry is the pillar of the electronic information industry, and belongs to the strategic basic industry. Its level of development is an important manifestation of a country's scientific and technological strength and international competitiveness. It′s important to inspection and it exists throughout the manufacturing process. The layout of inspection patents is one of the important factors to study the development of enterprises and current industrial development. This paper analyzes the key elements such as top companies, patent situation, research and development and interdependence, and draws relevant conclusions. It is important to study the inspection patents based on FPD.