Loading patent…
AssigneeSharp Kabushiki Kaisha
InventorsToshihiro Yanagi, Kouji Kumada, Takashige Ohta, Katsuya Mizukata
Estimating the term…
In an active matrix type display device, a signal voltage is applied from a signal line driving circuit via an active element such as a TFT to display electrodes on a matrix substrate, and a common voltage is applied to a counter electrode on a facing substrate so that the common voltage is shared by respective display cells. A level of the common voltage is switched in every refresh period of a different length. Thus, it is possible to appropriately set a value of the common voltage which is a reference for specifying an effective voltage of positive polarity and an effective voltage of negative polarity according to the refresh periods. As a result, even when the refresh periods of a different length exist in a mixed manner, it is possible to equalize the effective voltage of positive polarity and the effective voltage of negative polarity so as to suppress an occurrence of a flicker.
A driving method of an active matrix display device which includes plural display electrodes provided in a matrix manner, a counter electrode which is provided so that the counter electrode faces the display electrodes and a common voltage is applied to the counter electrode, an active element for applying a signal voltage to the display electrodes when a scanning line is selected, a storage capacitor for storing a driving voltage which is determined by the signal voltage applied to the display electrodes and the common voltage applied to the counter electrode, wherein
A driving method of an active matrix display device which includes plural display electrodes provided in a matrix manner, a counter electrode which is provided so that the counter electrode faces the display electrodes and a common voltage is applied to the counter electrode, an active element for applying a signal voltage to the display electrodes when a scanning line is selected, a storage capacitor for storing a driving voltage which is determined by the signal voltage applied to the display electrodes and the common voltage applied to the counter electrode, wherein
An active matrix display device comprising:
An active matrix display device comprising:
Dependencies are inferred from the claim text.