Image display apparatus

Details Image display apparatus Image display apparatus

2007-12-18

2007-12-18

Hsia, Sherrie (Department: 2622)

Television

Format conversion

C348S459000

Reexamination Certificate

active

11062701

ABSTRACT:
An image display apparatus has a hold-type display panel composed of a matrix of pixels each holding an electric signal for a predetermined period. In the image display apparatus, an intermediate value detector provides an intermediate value signal from adjacent two frames of a video signal having a first frame frequency (60 Hz), a multiplier multiplies the intermediate value signal by a coefficient that is smaller than 1, and an interpolator inserts the coefficient-multiplied intermediate value signal into the adjacent two frames of the video signal to provide a video signal having a second frame frequency (120 Hz). According to the video signal of the second frame frequency, an image is displayed on the hold-type display panel.

REFERENCES:
patent: 7202908 (2007-04-01), Zhou et al.
Kurita, T. “Fundamental Deterioration of Picture Quality for Moving Images Displayed on LCDs and Methods for Improvement”, Technical Report of IEICE EID2000-47 (Sep. 2000), pp. 13-18.

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