摘要
A near-infrared proximity sensor array is achieved by integrating a polymer light-emitting diode and a polymer photodetector (PD). A green emission is converted into deep red peaked at 670 nm by the inorganic phosphor Intematix R670 with quantum efficiency of over 20%. A bandpass filter is used to select a spectral tail of phosphor luminescence with a wavelength above 700 nm. The emissive polymer is green polyfluorene. The infrared PD contains a thick film of a blend of poly(3-hexylthiophene) and (6,6)-phenyl-C61-butyric acid methyl ester up to a thickness of 8 μm. Position of a moving object at a distance of 10 cm is detected in real time by the array with dynamic images displayed on the computer screen.
| 原文 | 英語 |
|---|---|
| 文章編號 | 5723003 |
| 頁(從 - 到) | 1215-1220 |
| 頁數 | 6 |
| 期刊 | IEEE Transactions on Electron Devices |
| 卷 | 58 |
| 發行號 | 4 |
| DOIs | |
| 出版狀態 | 已發佈 - 2011 4月 |
| 對外發佈 | 是 |
ASJC Scopus subject areas
- 電子、光磁材料
- 電氣與電子工程
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