2月25日,日本知识产权高等法院作出判决,认定夏普的液晶显示屏“IGZO”注册商标无效。法院认为,由于IGZO是原材料的物质名称,允许特定企业垄断使用,在公共利益方面不甚合理。IGZO是铟、镓、锌和氧元素符号首字母的排列组合,指代提高电子元器件性能的材料,自1995年开始使用,相关专利由日本科学技术振兴机构持有,夏普获得授权将其用于高性能液晶显示屏的制造。与此同时,夏普于2011年11月将“IGZO” February 25, the Japanese high court of intellectual property to make a ruling that Sharp’s liquid crystal display “IGZO ” is a registered trademark is invalid. The court held that since IGZO is the material name of the raw material, monopolistic use by certain enterprises is permitted and it is not reasonable in the public interest. IGZO is the first letter of the indium, gallium, zinc and oxygen symbols permutations and combinations, refers to the performance of electronic components to improve the material, since 1995, the relevant patents by the Japan Agency for the Promotion of Science and Technology to hold, Sharp authorized to use it In the manufacture of high-performance liquid crystal display. At the same time, Sharp in November 2011 will “IGZO ”