H. Hara, Mikio Sakurai, M. Miyasaka, S. Tam, S. Inoue, T. Shimoda
{"title":"带集成比较电路的低温多晶硅TFT指纹传感器","authors":"H. Hara, Mikio Sakurai, M. Miyasaka, S. Tam, S. Inoue, T. Shimoda","doi":"10.1109/ESSCIR.2004.1356703","DOIUrl":null,"url":null,"abstract":"We have developed a low-temperature polycrystalline silicon thin film transistor (LTPS-TFT) fingerprint sensor (FPS) based on a newly clarified detection principle and a unique driving scheme. We have also integrated a comparator circuit onto a glass substrate for the first time. The circuit recognizes ridges and valleys in a fingerprint. Using this system, we have succeeded in taking fine fingerprint images at 4 V operation. This fingerprint sensor is suitable for mobile applications that require thin devices that are low cost and low power.","PeriodicalId":294077,"journal":{"name":"Proceedings of the 30th European Solid-State Circuits Conference","volume":"244 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":"{\"title\":\"Low temperature polycrystalline silicon TFT fingerprint sensor with integrated comparator circuit\",\"authors\":\"H. Hara, Mikio Sakurai, M. Miyasaka, S. Tam, S. Inoue, T. Shimoda\",\"doi\":\"10.1109/ESSCIR.2004.1356703\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We have developed a low-temperature polycrystalline silicon thin film transistor (LTPS-TFT) fingerprint sensor (FPS) based on a newly clarified detection principle and a unique driving scheme. We have also integrated a comparator circuit onto a glass substrate for the first time. The circuit recognizes ridges and valleys in a fingerprint. Using this system, we have succeeded in taking fine fingerprint images at 4 V operation. This fingerprint sensor is suitable for mobile applications that require thin devices that are low cost and low power.\",\"PeriodicalId\":294077,\"journal\":{\"name\":\"Proceedings of the 30th European Solid-State Circuits Conference\",\"volume\":\"244 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-11-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 30th European Solid-State Circuits Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIR.2004.1356703\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 30th European Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIR.2004.1356703","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Low temperature polycrystalline silicon TFT fingerprint sensor with integrated comparator circuit
We have developed a low-temperature polycrystalline silicon thin film transistor (LTPS-TFT) fingerprint sensor (FPS) based on a newly clarified detection principle and a unique driving scheme. We have also integrated a comparator circuit onto a glass substrate for the first time. The circuit recognizes ridges and valleys in a fingerprint. Using this system, we have succeeded in taking fine fingerprint images at 4 V operation. This fingerprint sensor is suitable for mobile applications that require thin devices that are low cost and low power.
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