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

H Cho, OK Kwon - IEEE Transactions on Consumer Electronics, 2009 - ieeexplore.ieee.org
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 …

Backlight power reduction and image contrast enhancement using adaptive dimming for global backlight applications

CC Lai, CC Tsai - IEEE Transactions on Consumer Electronics, 2008 - ieeexplore.ieee.org
The paper presents an adaptive dimming technique to reduce backlight power consumption
and enhance image contrast for global backlight applications. The proposed adaptive …

Power-constrained contrast enhancement algorithm using multiscale retinex for OLED display

YO Nam, DY Choi, BC Song - IEEE Transactions on Image …, 2014 - ieeexplore.ieee.org
This paper presents a power-constrained contrast enhancement algorithm for organic light-
emitting diode display based on multiscale retinex (MSR). In general, MSR, which is the key …

Methods and systems for display source light management with rate change control

LJ Kerofsky - US Patent 9,330,630, 2016 - Google Patents
Elements of the present invention relate to systems and methods for modifying or adjusting a
display source light illumination level based on power consumption goals. In some …

Brightness preservation for LCD backlight dimming

L Kerofsky, S Daly - Journal of the Society for Information …, 2006 - Wiley Online Library
Backlight dimming is a dominant method for power reduction in LCDs. Image processing
with a simple boost and clip can compensate for such dimming‐restoring image brightness …

Systems and methods for selecting a display source light illumination level

LJ Kerofsky - US Patent 7,782,405, 2010 - Google Patents
Related US Application Data (63) Continuation-in-part of application No. 1 1/293,562, filed
on Dec. 2, 2005, which is a continuation-in-part(Continued) of application No. 1 1/224,792 …

Methods and systems for color preservation with a color-modulated backlight

LJ Kerofsky - US Patent 8,416,179, 2013 - Google Patents
G09G3/20—Control arrangements or circuits, of interest only in connection with visual
indicators other than cathode-ray tubes for presentation of an assembly of a number of …

39.3: Locally Pixel‐Compensated Backlight Dimming for Improving Static Contrast on LED Backlit LCDs

H Chen, J Sung, T Ha, Y Park - SID Symposium Digest of …, 2007 - Wiley Online Library
This paper presents a pixel compensated backlight dimming method for improving contrast
on LED‐LCD. The backlight luminance is dimmed locally along with image contents, and …

Locally pixel‐compensated backlight dimming on LED‐backlit LCD TV

H Chen, J Sung, T Ha, Y Park - Journal of the Society for …, 2007 - Wiley Online Library
The pixel brightness of an LCD panel perceived by a user is the product of the backlight
brightness and the panel transmittance. In conventional LCD panels, the backlight …

A local dimming algorithm for low power LCD TVs using edge-type LED backlight

H Cho, OK Kwon - IEEE Transactions on Consumer Electronics, 2010 - ieeexplore.ieee.org
A local dimming algorithm is proposed to reduce the power consumption of LCD TVs using
edge-type LED backlight. The proposed local dimming algorithm is implemented by matrix …