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Browse Journals & Magazines > Consumer Electronics, IEEE Tr ...> Volume:55 Issue:2 Help

A backlight dimming algorithm for low power and high image quality LCD applications

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2 Author(s)
Hyunsuk Cho ; Div. of Electr. & Comput. Eng., Hanyang Univ., Seoul, South Korea ; Oh-Kyong Kwon

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.

Published in:
Consumer Electronics, IEEE Transactions on  (Volume:55 ,  Issue: 2 )

Date of Publication: May 2009

Page(s):
839 - 844
ISSN :
0098-3063
INSPEC Accession Number:
10829276
Digital Object Identifier :
10.1109/TCE.2009.5174463
Product Type:
Journals & Magazines
Date of Current Version :
07 August 2009
Issue Date :
May 2009
Sponsored by :
IEEE Consumer Electronics Society

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