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1.华南理工大学 材料科学与工程学院 发光材料与器件国家重点实验室, 广东 广州 510640
2.中国兵器工业第五九研究所, 重庆 400039
[ "高执文(2002—),男,河南许昌人,本科生,主要从事新型信息显示材料与器件系统集成方面的研究。E-mail: 201930170461@mail.scut.edu.cn" ]
[ "宁洪龙(1971—),男,湖南株洲人,博士,教授,2004 年于清华大学获得博士学位,主要从事新型信息显示材料与器件系统集成方面的研究。E-mail: ninghl@scut.edu.cn" ]
收稿日期:2022-03-30,
修回日期:2022-05-05,
纸质出版日期:2022-08-05
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高执文, 许伟, 姚日晖, 等. 电子纸用柔性薄膜晶体管的研究进展[J]. 液晶与显示, 2022,37(8):948-958.
Zhi-wen GAO, Wei XU, Ri-hui YAO, et al. Research progress of flexible thin film transistors for E-paper[J]. Chinese journal of liquid crystals and displays, 2022, 37(8): 948-958.
高执文, 许伟, 姚日晖, 等. 电子纸用柔性薄膜晶体管的研究进展[J]. 液晶与显示, 2022,37(8):948-958. DOI: 10.37188/CJLCD.2022-0102.
Zhi-wen GAO, Wei XU, Ri-hui YAO, et al. Research progress of flexible thin film transistors for E-paper[J]. Chinese journal of liquid crystals and displays, 2022, 37(8): 948-958. DOI: 10.37188/CJLCD.2022-0102.
薄膜晶体管(Thin Film Transistor, TFT)作为像素中的开关元器件,与存储电容一起组成电子纸显示器的驱动电路。本文按照柔性TFT有源层的不同进行分类:有机薄膜晶体管(Organic Thin Film Transistor, OTFT)、非晶硅薄膜晶体管(Amorphous Silicon Thin Film Transistor, a-Si TFT)、金属氧化物薄膜晶体管(Metal Oxide Thin Film Transistor, MOTFT),介绍它们在柔性电子纸显示器中的研究进展,着重关注器件的柔性、电学特性以及稳定性。最后进行了对比分析,提出MOTFT有望凭借优良的电学特性、高光学透明性以及相对较低的工艺温度等优势成为驱动下一代柔性电子纸显示器的最佳候选者。
Thin film transistors (TFTs) are used as switching components in pixels, and together with the storage capacitors, form the driving circuit for electronic paper (E-paper) displays. In this paper, we classify the flexible TFTs according to their active layer: organic thin film transistor (OTFT), amorphous silicon (a-Si) TFT, metal oxide thin film transistor (MOTFT). Their research progress in flexible E-paper displays is presented, focusing on the flexibility, electrical properties and stability of the devices. Finally, the comparative analysis suggests that MOTFT is expected to be the best candidate to drive the next generation of flexible E-paper displays by virtue of the excellent electrical properties, high optical transparency and relatively low process temperature.
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