Display device

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2006-03-28

2006-03-28

Awad, Amr A. (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S092000, C345S100000

Reexamination Certificate

active

07019727

ABSTRACT:
The retaining circuit110,which retains the digital image signal fed from the drain signal line61in response to the signal inputted from gate signal line51,is formed. The signal selection circuit120,which selects one of the two signals (signal A or signal B) in response to the signal from the retaining circuit110and which supplies the selected signal to the display electrode80,is formed. Also, the reference voltage generation circuit500,which provides the signal A and signal B, is formed within the display panel100.When the display device is under the digital display mode, the reference voltage generation circuit500prepares the signal fed to the display electrode80.Thus, there is no need to supply the signal A or signal B from outside, resulting in the simpler configuration of the external circuits. Also, since the drive of the external circuits can be completely halted under the digital display mode, it is possible to further reduce the consumption of the electric power.

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European Office Action dated Apr. 18, 2005, directed to counterpart EP application.

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