A new driving waveform to improve dark room contrast ratio in ac plasma display panel
A high dark room contrast ratio is necessary for realizing good image quality in ac plasma display panels (PDP). However, the conventional PDPs have low dark room contrast ratio because the background light mainly results from the reset discharges between the address, scan, and sustain electrodes in...
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Published in | IEEE transactions on electron devices Vol. 49; no. 7; pp. 1143 - 1150 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
New York
IEEE
01.07.2002
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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Abstract | A high dark room contrast ratio is necessary for realizing good image quality in ac plasma display panels (PDP). However, the conventional PDPs have low dark room contrast ratio because the background light mainly results from the reset discharges between the address, scan, and sustain electrodes in every subfield. In this study, a new driving method [improved waveform of contrast ratio (ICR)] is suggested to enhance the dark room contrast ratio. The principle of ICR is that the facing discharges during the reset period occur between the scan and address electrodes instead of surface discharges by applying almost the same voltage waveform as the scan voltage to the sustain electrode after the conventional first subfield. Moreover, the reset discharge occurs only for the cells that experienced sustain discharge in the preceding subfield after the first subfield. The dark room contrast ratio of ICR is improved more than 7/spl times/ as compared to the conventional method. |
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AbstractList | A high dark room contrast ratio is necessary for realizing good image quality in ac plasma display panels (PDP). However, the conventional PDPs have low dark room contrast ratio because the background light mainly results from the reset discharges between the address, scan, and sustain electrodes in every subfield. In this study, a new driving method [improved waveform of contrast ratio (ICR)] is suggested to enhance the dark room contrast ratio. The principle of ICR is that the facing discharges during the reset period occur between the scan and address electrodes instead of surface discharges by applying almost the same voltage waveform as the scan voltage to the sustain electrode after the conventional first subfield. Moreover, the reset discharge occurs only for the cells that experienced sustain discharge in the preceding subfield after the first subfield. The dark room contrast ratio of ICR is improved more than 7 as compared to the conventional method A high dark room contrast ratio is necessary for realizing good image quality in ac plasma display panels (PDP). However, the conventional PDPs have low dark room contrast ratio because the background light mainly results from the reset discharges between the address, scan, and sustain electrodes in every subfield. In this study, a new driving method [improved waveform of contrast ratio (ICR)] is suggested to enhance the dark room contrast ratio. The principle of ICR is that the facing discharges during the reset period occur between the scan and address electrodes instead of surface discharges by applying almost the same voltage waveform as the scan voltage to the sustain electrode after the conventional first subfield. Moreover, the reset discharge occurs only for the cells that experienced sustain discharge in the preceding subfield after the first subfield. The dark room contrast ratio of ICR is improved more than 7/spl times/ as compared to the conventional method. A high dark room contrast ratio is necessary for realizing good image quality in ac plasma display panels (PDP). However, the conventional PDPs have low dark room contrast ratio because the background light mainly results from the reset discharges between the address, scan, and sustain electrodes in every subfield. In this study, a new driving method [improved waveform of contrast ratio (ICR)] is suggested to enhance the dark room contrast ratio. The principle of ICR is that the facing discharges during the reset period occur between the scan and address electrodes instead of surface discharges by applying almost the same voltage waveform as the scan voltage to the sustain electrode after the conventional first subfield. Moreover, the reset discharge occurs only for the cells that experienced sustain discharge in the preceding subfield after the first subfield. The dark room contrast ratio of ICR is improved more than 7x as compared to the conventional method. A high dark room contrast ratio is necessary for realizing good image quality in ac plasma display panels (PDP). However, the conventional PDPs have low dark room contrast ratio because the background light mainly results from the reset discharges between the address, scan, and sustain electrodes in every subfield. In this study, a new driving method [improved waveform of contrast ratio (ICR)] is suggested to enhance the dark room contrast ratio. The principle of ICR is that the facing discharges during the reset period occur between the scan and address electrodes instead of surface discharges by applying almost the same voltage waveform as the scan voltage to the sustain electrode after the conventional first subfield. Moreover, the reset discharge occurs only for the cells that experienced sustain discharge in the preceding subfield after the first subfield. The dark room contrast ratio of ICR is improved more than 7x as compared to the conventional method |
Author | Dong-Hyun Kim Ho-Jun Lee Chung-Hoo Park Jae-Hwa Ryu Sung-Hyun Lee |
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Cites_doi | 10.1889/1.1833986 10.1109/16.925230 10.1063/1.370709 10.1109/T-ED.1981.20405 10.1016/S0040-6090(00)00718-5 10.1080/15980316.2001.9651845 10.1080/15980316.2001.9651842 10.1080/15980316.2001.9651844 10.1109/16.954464 10.1109/16.954463 10.1889/1.1832859 10.1889/1.1833984 10.1016/S0921-5107(99)00028-8 10.1889/1.1833048 |
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References | ref12 yoshida (ref20) 1983 shinoda (ref13) 1998 weber (ref8) 2000; 16 kasahara (ref15) 1999 ref22 ref21 weber (ref10) 1998 ref2 ref1 ref16 lee (ref6) 2001; 50 ref18 nagomy (ref11) 2000 inanaga (ref19) 1997 ref7 yoshikawa (ref14) 1992 ref9 ref4 ref3 ref5 criscimagna (ref17) 1981; 28 |
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Title | A new driving waveform to improve dark room contrast ratio in ac plasma display panel |
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