A Novel Two-Dimensional Adaptive Dimming Technique of X-Y Channel Drivers for LED Backlight System in LCD TVs

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dc.contributor.authorOh, Won-Sikko
dc.contributor.authorCho, Dae-Younko
dc.contributor.authorCho, Kyu-Minko
dc.contributor.authorMoon, Gun-Wooko
dc.contributor.authorYang, Byung-Choonko
dc.contributor.authorJang, Tae-Seokko
dc.date.accessioned2013-03-09T21:24:30Z-
dc.date.available2013-03-09T21:24:30Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2009-01-
dc.identifier.citationJOURNAL OF DISPLAY TECHNOLOGY, v.5, pp.20 - 26-
dc.identifier.issn1551-319X-
dc.identifier.urihttp://hdl.handle.net/10203/97495-
dc.description.abstractIn this paper, a novel two-dimensional (2-D) adaptive dimming technique with X-Y channels for light-emitting diode (LED) backlight system in LCD TVs is proposed. The proposed LED backlight has matrix-structured LED modules with row and column switches to control the brightness of individual division block. It shows local dimming effects such as reduced power consumption and high dynamic contrast ratio even with much less number of LED drivers than that of the conventional 2-D local dimming method. Therefore; low cost and compact design of LED drivers can be achieved. This paper also contains a new adaptive dimming algorithm and image manipulation technique for the proposed LED backlight system. The proposed dimming technique is verified by simulation and experimental results based on a RGB-LED backlight of a 32-in LCD TV.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectDISPLAY-
dc.titleA Novel Two-Dimensional Adaptive Dimming Technique of X-Y Channel Drivers for LED Backlight System in LCD TVs-
dc.typeArticle-
dc.identifier.wosid000263883300005-
dc.type.rimsART-
dc.citation.volume5-
dc.citation.beginningpage20-
dc.citation.endingpage26-
dc.citation.publicationnameJOURNAL OF DISPLAY TECHNOLOGY-
dc.identifier.doi10.1109/JDT.2008.2004358-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorMoon, Gun-Woo-
dc.contributor.nonIdAuthorYang, Byung-Choon-
dc.contributor.nonIdAuthorJang, Tae-Seok-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAdaptive dimming method-
dc.subject.keywordAuthordriver circuit-
dc.subject.keywordAuthorlocal dimming method-
dc.subject.keywordAuthorlight-emitting diode (LED) backlight-
dc.subject.keywordAuthorliquid crystal displays (LCDs)-
dc.subject.keywordPlusDISPLAY-
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