Array panel and method of driving the same

Details Array panel and method of driving the same Array panel and method of driving the same

2011-04-05

2011-04-05

Shankar, Vijay (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S092000, C345S093000, C345S098000, C345S100000

Reexamination Certificate

active

07920113

ABSTRACT:
An additional capacitor (“sharing capacitor”) is provided for each pixel of a liquid crystal display to store the previous voltage on the pixel electrode (i.e. the voltage obtained in the previous frame). At an opportune time after the pixel electrode has begun to charge for the current frame, the sharing capacitor's electrode is coupled to the pixel electrode to combine the pixel electrode's voltage with the sharing capacitor's voltage. As a result, the pixel electrode's voltage is changed to take into account the previous voltage so as to increase the liquid crystal's response speed. More particularly, the sharing capacitor's voltage changes the pixel voltage to provide a greater voltage overshoot or undershoot when the pixel color is changed a lot, so as to increase the liquid crystal response time. Therefore, greater response speed is provided at low power.

REFERENCES:
patent: 2008/0198283 (2008-08-01), Yoon et al.
patent: 2009/0262106 (2009-10-01), Lu et al.
patent: 2010/0066657 (2010-03-01), Park et al.

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