A backlight dimming algorithm for low power and high image quality LCD applications
A new backlight dimming algorithm is proposed to reduce power consumption of backlight and improve image quality in LCD applications. The proposed algorithm is consisted of two new techniques: the brightness modulation of the backlight and pixel compensation. The power saving ratio of four typical b...
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| Published in | IEEE transactions on consumer electronics Vol. 55; no. 2; pp. 839 - 844 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
New York
IEEE
01.05.2009
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0098-3063 1558-4127 |
| DOI | 10.1109/TCE.2009.5174463 |
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| Abstract | A new backlight dimming algorithm is proposed to reduce power consumption of backlight and improve image quality in LCD applications. The proposed algorithm is consisted of two new techniques: the brightness modulation of the backlight and pixel compensation. The power saving ratio of four typical benchmarking images is 14-43% by using proposed brightness modulation algorithm. The proposed pixel compensation removes the clipping artifact and unnecessary luminance reduction. The proposed backlight dimming algorithm is demonstrated on 7-inch TFTLCD with LED backlight. |
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| AbstractList | A new backlight dimming algorithm is proposed to reduce power consumption of backlight and improve image quality in LCD applications. The proposed algorithm is consisted of two new techniques: the brightness modulation of the backlight and pixel compensation. The power saving ratio of four typical benchmarking images is 14-43% by using proposed brightness modulation algorithm. The proposed pixel compensation removes the clipping artifact and unnecessary luminance reduction. The proposed backlight dimming algorithm is demonstrated on 7-inch TFTLCD with LED backlight. A new backlight dimming algorithm is proposed to reduce power consumption of backlight and improve image quality in LCD applications. The proposed algorithm is consisted of two new techniques: the brightness modulation of the backlight and pixel [abstract truncated by publisher]. |
| Author | Oh-Kyong Kwon Hyunsuk Cho |
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| SubjectTerms | Algorithms Backlight dimming Backlights Brightness Compensation Consumer products Data mining Dimming Energy consumption Histograms Image quality LCD LED backlight Liquid crystal displays Modulation Pixel Power engineering and energy Power engineering computing |
| Title | A backlight dimming algorithm for low power and high image quality LCD applications |
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