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Improvement of interpixel uniformity in carbon nanotube field emission display by luminance correction circuit

Authors
Kang, Mun-SeokYun, Young-JunLee, Jung-WonChoe, Deok-HyeonBaek, Kwang-HyunKim, Suki
Issue Date
3월-2008
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
carbon nanotube field emission display (CNT-FED); interpixel uniformity; luminance correction circuit; self-emissive device
Citation
IEEE TRANSACTIONS ON ELECTRON DEVICES, v.55, no.3, pp.768 - 773
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON ELECTRON DEVICES
Volume
55
Number
3
Start Page
768
End Page
773
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/124031
DOI
10.1109/TED.2007.915055
ISSN
0018-9383
Abstract
Interpixel uniformity is critical to image quality, and is hard to be improved by structural reformation of emissive elements because of nonuniformity in luminance characteristics of subpixels in self-emissive device like the carbon nanotube field emission display (CNT-FED). In this paper, we discuss the improvement of the interpixel uniformity by individually controlling the luminance of all subpixels in a display panel. We propose a prototype CNT-FED with improved interpixel uniformity using luminance correction circuitry. The analysis of interpixel uniformity with the proposed luminance correction circuit shows that the index of interpixel uniformity increases about 8% with only about 10% luminance reduction ratio that is a relatively small penalty compared to the enhancement of the interpixel uniformity. The proposed correction method can also be used to ensure improvement of the interpixel uniformity in large-size CNT-FED panels.
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