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Paper Abstract and Keywords
Presentation 2021-07-30 15:20
[Invited Lecture] An Imager with Organic Photodetectors Based on LTPS-TFT Technology
Ayato Kitamura, Takashi Nakamura, Hirofumi Kato, Hiroyuki Kimura, Akio Takimoto (JDI), Tomoyuki Yokota, Takao Someya (UTokyo)
Abstract (in Japanese) (See Japanese page) 
(in English) We have developed a high-resolution 508 ppi imager using low-temperature polysilicon thin-film transistors (LTPS-TFTs) on a plastic substrate together with organic photodetectors which has high sensitivity in wavelength of visible and near-infrared regions (NIR).
Using an NIR light source, both images of fingerprints/veins and pulse waves are successfully obtained.
By adding red light source, both red (660 nm) and NIR (850 nm) pulse waves are measured to calculate percutaneous oxygen saturation.
Keyword (in Japanese) (See Japanese page) 
(in English) Photodetector / Thin film transistor / Low-temperature polysilicon / Biometric authentication / Vital sign / Oxygen saturation / /  
Reference Info. ITE Tech. Rep., vol. 45, no. 20, IDY2021-21, pp. 21-24, July 2021.
Paper # IDY2021-21 
Date of Issue 2021-07-23 (IDY) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee IDY IEICE-EID SID-JC  
Conference Date 2021-07-30 - 2021-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Information Display 
Paper Information
Registration To IDY 
Conference Code 2021-07-IDY-EID-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Imager with Organic Photodetectors Based on LTPS-TFT Technology 
Sub Title (in English)  
Keyword(1) Photodetector  
Keyword(2) Thin film transistor  
Keyword(3) Low-temperature polysilicon  
Keyword(4) Biometric authentication  
Keyword(5) Vital sign  
Keyword(6) Oxygen saturation  
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Keyword(8)  
1st Author's Name Ayato Kitamura  
1st Author's Affiliation Japan Display Inc. (JDI)
2nd Author's Name Takashi Nakamura  
2nd Author's Affiliation Japan Display Inc. (JDI)
3rd Author's Name Hirofumi Kato  
3rd Author's Affiliation Japan Display Inc. (JDI)
4th Author's Name Hiroyuki Kimura  
4th Author's Affiliation Japan Display Inc. (JDI)
5th Author's Name Akio Takimoto  
5th Author's Affiliation Japan Display Inc. (JDI)
6th Author's Name Tomoyuki Yokota  
6th Author's Affiliation Department of Electrical Engineering and Information Systems, School of Engineering, The University of Tokyo (UTokyo)
7th Author's Name Takao Someya  
7th Author's Affiliation Department of Electrical Engineering and Information Systems, School of Engineering, The University of Tokyo (UTokyo)
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Speaker Author-1 
Date Time 2021-07-30 15:20:00 
Presentation Time 25 minutes 
Registration for IDY 
Paper # IDY2021-21 
Volume (vol) vol.45 
Number (no) no.20 
Page pp.21-24 
#Pages 4 
Date of Issue 2021-07-23 (IDY) 

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