Session and scheduling information are listed below. Select a session from the list and press "Go" to view the abstracts for that session.
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Session
26
: Optical Sensor Components |
Sensors Integration and Multi-Functional Displays
; Emerging Technologies and Applications
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Tuesday, May 14 / 03:40 PM - 5:00 PM / San Jose Convention Center, LL21AB
Chair:
Vincent Gu, Apple, Inc., Cupertino, CA US
Co-Chair:
Jong-Ho Hong, Samsung, Seoul, South Korea
26.1 - Embedded a-Si Photo-Transistor Sensors Integration in Remote Optical Touch-Input Panel Using Four-Mask Process Architecture Technology (3:40 PM - 4:00 PM)
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An-Thung Cho
HKC Optoelectronics Technology Co., Ltd. Chuzhou China
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Feng-yun Yang, Jin-chang Feng, Wen-xin Li, Ting-ting Ruan, Dong-sheng Guo, Steve Lin, James Hsu, Wade Chen
HKC Optoelectronics Technology Co., Ltd., China ChuZhou China
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Young Zhang , Ming-liang Wang
HKC Optoelectronics Technology Co., Ltd. China ChuZhou China
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Ni Chen
HKC Optoelectronics Technology Co., Ltd. ChuZhou China
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An optical type of fingerprint scanning/touch-input flat panel is designed. The driving system is based on a passive pixel sensor (PPS) array with amorphous silicon (a-Si) TFT technology. The pixel density is over 500 ppi and the a-Si TFT phototransistor sensor is high reliability by using a multi-N+ layer in the a-Si TFT structure.
26.3 - Room-Temperature Bias-Selectable Dual-Band Ultraviolet/Infrared Detectors Based on PTAA/MAPbCl3 Single-Crystal Film Heterojunction (4:00 PM - 4:20 PM)
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Shilin Liu, Yijing Ding, Qing Li
Southeast University Nanjing China
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A bias-selectable ultraviolet/infrared dual-band detector is demonstrated. By switching between zero and forward bias, these detectors switch peak photosensitive ranges between the ultraviolet and infrared bands with room-temperature detectivities of 4.5 × 1,012 and 1.65 × 109 cm Hz^1/2 W^−1, respectively. Unlike conventional bias-selectable detectors, the device can be operated allowing additional functionalities.
26.4 - PbS Quantum-Dot Photodetector for High Resolution and Low-Light Night Vision of Phone Camera (4:20 PM - 4:40 PM)
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Xiao Wang
Hubei University & Shenzhen Technology University Wuhan China
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Jiufeng Wu, Wenjie Zhang, Weichao Wang, Tao Cao, Fan Fang, Leifeng Cao, Wei Chen
Shenzhen Technology University Shenzhen China
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Yiwen Li, Lei Zhang
Hubei University Wuhan China
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A novel application of lead sulfide (PbS) quantum dots for smartphone cameras, enhancing low-light night vision, is introduced. PbS quantum dots with tunable short-wave infrared absorption significantly improve sensitivity, enabling clearer imaging in challenging lighting conditions. The customizable bandgap optimizes performance, marking a substantial leap in mobile imaging technology for improved low-light and night-vision capabilities.
26.5 - Feasibility Analysis of Image Sensors Scanner on Glass (4:40 PM - 5:00 PM)
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Ruihua Guo, Ruichen Zhang, Wenhao Wang, Kaixuan Wang, Xi Chen, Xibin Shao, Hailin Xue
Beijing BOE Display Technology Co., Ltd. Beijing China
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Silicon-based image sensors have problems of small size and high cost. The authors propose a method for making image sensors on glass substrates and analyze the feasibility of replacing silicon-based image sensors from the basis of performance and cost. Through calculation and measurement, the scanning resolution, conversion gain, signal-to-noise ratio, and scanning time of image sensors on glass substrates can all meet the requirements of document and barcode scanners. In addition, the glass-based image sensors can be formed in large sizes and do not require splicing, resulting in lower costs compared to silicon-based image sensors for document scanners. Therefore, glass-based image sensors can replace silicon-based image sensors in document scanners.