Display panel driving method with selectable driving pattern

Details Display panel driving method with selectable driving pattern Display panel driving method with selectable driving pattern

2006-01-03

2006-01-03

Chow, Dennis-Doon (Department: 2673)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S691000, C345S690000

Reexamination Certificate

active

06982732

ABSTRACT:
A display panel driving method that is capable of displaying images with false contours suppressed and without the occurrence of flicker, even when the vertical sync frequency of the input image signal is low. When an image signal with a low mean brightness level is input, or when an image signal having a comparatively high vertical sync frequency is input, light emission elements comprised by pixels are caused to emit light in a number of continuous subfields corresponding to the brightness level expressed by the input image signal in one field. If an image signal is input in which the mean brightness level is high, and in addition the vertical sync frequency is comparatively low, light emission elements are caused to emit light in a number of continuous subfields corresponding to the brightness level expresses by the image signal, in each of the first half and the second half of a field.

REFERENCES:
patent: 6388645 (2002-05-01), Kasahara et al.
patent: 6414658 (2002-07-01), Tokunaga
patent: 6476801 (2002-11-01), Nagai
patent: 6646625 (2003-11-01), Shigeta et al.

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