Image display device, driving circuit and driving method...

Details Image display device, driving circuit and driving method... Image display device, driving circuit and driving method...

2006-11-29

2010-02-23

Dinh, Duc Q (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S087000, C345S089000, C345S098000, C345S102000

Reexamination Certificate

active

07667720

ABSTRACT:
An image display device is provided which is capable of improving its image quality when a moving picture is displayed by using a holding-type display panel such as a liquid crystal panel. A display gray-level feature value of each display screen is extracted based on a video input signal. A black inserting signal to set a gray level of a black screen (frame) is generated based on the display gray-level feature value extracted by the displayed brightness extracting section. Based on a video input signal, a control signal is sent out to a source driver and another control signal is sent out to a gate driver and a gray level of a black screen to be inserted among display screens each making up a moving picture is set to a liquid crystal panel based on the black inserting signal generated by the black inserting signal computing section.

REFERENCES:
patent: 7035881 (2006-04-01), Tummala et al.
patent: 7106350 (2006-09-01), Baba et al.
patent: 2003-186456 (2003-07-01), None
Gou Sato, “Frame interpolation technology for displaying moving pictures having more natural images”, Homepage “R & D Forefront” Toshiba Review, vol. 59, No. 12, 2004.

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