Liquid crystal display and driving method used for same

Details Liquid crystal display and driving method used for same Liquid crystal display and driving method used for same

2007-11-20

2007-11-20

Nguyen, Kevin M. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S087000

Reexamination Certificate

active

10944969

ABSTRACT:
A liquid crystal display is provided which is capable of improving a quality of a displayed image made up of a moving image and a static image in a mixed manner. By arranging backlights and by dividing one frame of a video input signal into four frame blocks and by getting a moving image detecting circuit to judge whether an image for each of the frame blocks is a moving image or a static image and having a lighting timing duty control section get the backlight corresponding to an image for the frame block having been judged to be a moving image to flash and also get the backlight corresponding to an image for the frame block having been judged to be a static image to be turned ON all the time, occurrence in an image retention phenomenon or a blur of an edge is reduced when a moving image is to be displayed and occurrence of a flicker is eliminated when a static image is to be displayed, which enables improvements in a quality of a displayed image.

REFERENCES:
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patent: 6839048 (2005-01-01), Park
patent: 6980225 (2005-12-01), Funamoto et al.
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Korean Office Action dated Jun. 14, 2006 with Partial English Translation.

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