全球太阳能技术中心转移及核心主题演进研究  

Shift of technology center and thematic evolution of solar energy technology worldwide

作　　者：栾春娟 宋博文 Luan Chunjuan;Song Bowen(Dalian University of Technology,Faculty of Humanities and Social Science,Dalian 116024,China;Dalian University of Technology,School of Intellectual property,Panjin 124221,China)

机构地区：[1]大连理工大学人文与社会科学学部,辽宁大连116024 [2]大连理工大学知识产权学院,辽宁盘锦124221

出　　处：《中国科技论坛》2019年第12期68-74,共7页Forum on Science and Technology in China

基　　金：国家自然科学基金项目“技术会聚网络结构探测与新兴趋势识别的理论方法及其应用研究”(71473028),国家自然科学基金项目“基于全球技术交易海量数据分析的专利运营模式研究”(71774020)

摘　　要：本文基于PatSnap全球专利数据库检索得到的1920-2018年间发表的全部304850条发明专利,采用地图可视化和文本聚类分析方法,分析了太阳能领域的技术中心转移和核心主题演进趋势。研究结果揭示了技术中心呈现"美国-日本-中国"的转移现象;核心主题由基础型研究转向应用型研究,最终向优化型技术研究转变的演进过程。Exploring the transfer of global solar energy technology center and the evolution of core themes has important theoretical and practical significance for promoting the development of solar energy technology in China.304850 invention patents were retrieved from PatSnap patent data between 1920 and 2018.By using the method of map visualization and text clustering analysis,the transfer of technology centers and the evolution of core themes in the field of solar energy are analyzed.The research results reveal the transfer phenomenon of technology center “USA-Japan-China”.The evolution process of core research topics from basic research to applied research and ultimately to optimized technology.

关 键 词：太阳能技术 技术中心转移 主题演进 地图可视化 文本聚类 

分 类 号：G306[文化科学] N18[自然科学总论]