Active matrix display device and driving method of the same

Details Active matrix display device and driving method of the same Active matrix display device and driving method of the same

2005-12-13

2005-12-13

Chow, Dennis-Doon (Department: 2677)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S090000

Reexamination Certificate

active

06975298

ABSTRACT:
An AC driven active matrix display device in which image display with enough brightness can be easily achieved while reducing an amplitude range of a pixel electrode potential. The display device1, 100or110according to the invention comprises two memory circuits (a first memory circuit40and a second memory circuit41) which are connected in series between each pixel electrode22and a corresponding signal line30. Data is written to the first memory circuit in a first period, then the data is transferred from the first memory circuit to the corresponding second memory circuit in a second period. The potential of a counter electrode23is switched in the second period between a first potential (VcomH) and a second potential (VcomL).

REFERENCES:
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patent: 5798746 (1998-08-01), Koyama
patent: 6225991 (2001-05-01), McKnight
patent: 6542139 (2003-04-01), Kanno
patent: 6614415 (2003-09-01), Mizutani et al.
patent: 2002/0024485 (2002-02-01), Koyama
patent: 07-199157 (1995-08-01), None
patent: 2002-287708 (2002-10-01), None

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