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http://dx.doi.org/10.4313/JKEM.2009.22.12.1058

A Study on the Photon Energy Spectrums of Backlight for the Analysis of the Photoelectric Characteristics of a-Si:H TFT  

Jeong, Kyung-Seo (경원대학교 전자공학과)
Kwon, Sang-Jik (경원대학교 전자공학과)
Cho, Eou-Sik (경원대학교 전자공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.22, no.12, 2009 , pp. 1058-1062 More about this Journal
Abstract
For the investigation of the mechanism of photoelectric characteristics of a hydrogenated amorphous silicon thin film transistor(a-Si:H TFT), spectral characteristics of various backlights were analyzed in terms of the photon energy at each wavelength. Photon energy spectral characteristics were obtained through the multiplication of each photon energy and spectral intensities of backlights at each wavelength and the total photon energies were obtained by the integration of the photon energy spectrums. From the comparison of the experimental photo leakage current and the calculated photon energy, it was possible to conclude that the absorption of illuminated backlight to a-Si:H layer and the generation of electrons and holes are mainly carried out at the wavelength less than 500 nm as described in previous reports.
Keywords
a-Si:H TFT; Backlight; Photon energy spectral characteristics; Absorption coefficient;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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