印刷薄膜晶体管及其在显示中的应用  

Printing Thin-Film Transistors and Their Applications in Displays

作　　者：兰林锋[1] 陈宝中 彭俊彪[1] 曹镛[1] Linfeng Lan;Baozhong Chen;Junbiao Peng;Yong Cao(State Key Laboratory of Luminescent Materials and Devices,South China University of Technology,Guangzhou 510640,China)

机构地区：[1]华南理工大学发光材料与器件国家重点实验室,广东广州510640

出　　处：《高分子材料科学与工程》2021年第1期150-156,199,共8页Polymer Materials Science & Engineering

摘　　要：薄膜晶体管(TFT)作为显示器的寻址和像素灰阶控制器件,是有源显示器实现图像视频显示的关键核心元器件。传统的TFT背板是基于真空法制备以及光刻法图形化的,成本较高;相比之下,印刷(溶液加工)法因为工艺简单、材料利用率高等优点受到广泛关注。文中系统地总结和分析了印刷TFT相关技术与应用的研究进展以及面临的技术挑战。首先归纳和总结用于制备TFT的各种印刷技术,比较不同印刷技术的优缺点;在此基础上,分别介绍印刷有机TFT、印刷氧化物TFT、印刷碳纳米管TFT的半导体材料、印刷制备方法、最新进展以及面临的问题,重点聚焦于面向显示应用的印刷TFT的研究进展和面临的挑战。Thin-film transistors(TFTs),as the addressing and gray-scale controlling devices of the displays,is the key component of the active-matrix displays to realize image and video display.The traditional TFT backplane is based on vacuum-deposition method and photolithography method,which is expensive.In contrast,the printing(solution-processing)method was widely concerned because of its advantages of simple process and high material utilization.This review systematically summarized and analyzed the related technologies and applications of printing TFT as well as the technical challenges.Firstly,the advantages and disadvantages of various printing technologies for preparing TFTs were summarized and compared.Then,the semiconductor materials,printing preparation methods,recent progress and problems of printed organic TFTs,printed oxide TFTs and printed carbon nanotube TFTs were introduced,respectively.It focused on the research progress and challenges of printed TFTs for display applications.

关 键 词：薄膜晶体管 印刷 显示 有机半导体 氧化物半导体 碳纳米管 

分 类 号：TN321.5[电子电信—物理电子学]