Energy-recycling pixel for active-matrix organic light-emitting diode display

The authors report a pixel structure for active-matrix organic light-emitting diode (OLED) displays that has a hydrogenated amorphous silicon solar cell inserted between the driving polycrystalline Si thin-film transistor and the pixel OLED. Such an active-matrix OLED pixel structure not only exhibi...

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Bibliographic Details
Published in:Applied physics letters 2007-06, Vol.90 (23), p.233512-233512-3
Main Authors: Yang, Che-Yu, Cho, Ting-Yi, Chen, Yen-Yu, Yang, Chih-Jen, Meng, Chao-Yu, Yang, Chieh-Hung, Yang, Po-Chuan, Chang, Hsu-Yu, Hsueh, Chun-Yuan, Wu, Chung-Chih, Lee, Si-Chen
Format: Article
Language:English
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Summary:The authors report a pixel structure for active-matrix organic light-emitting diode (OLED) displays that has a hydrogenated amorphous silicon solar cell inserted between the driving polycrystalline Si thin-film transistor and the pixel OLED. Such an active-matrix OLED pixel structure not only exhibits a reduced reflection (and thus improved contrast) compared to conventional OLEDs but also is capable of recycling both incident photon energies and internally generated OLED radiation. Such a feature of energy recycling may be of use for portable/mobile electronics, which are particularly power aware.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2746960