Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-09-19
2006-09-19
Liang, Regina (Department: 2674)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S613000, C345S090000
Reexamination Certificate
active
07109958
ABSTRACT:
In a pixel display there is disclosed a pixel arrangement for LCD displays having 5 subpixel components. Namely, red, blue, green with adjacent red green pixels bordered by blue subpixels. Circuitry is disclosed for such pixels in which capacitors, functioning in sample hold circuits receive pulses to their terminal immediately after transistors are open with the resulting voltage change there occurring as an unintended voltage signal being applied to an LCD cell thereby causing unintended image artifacts. A new circuit and method is disclosed by which no transistor is open without its sample and hold stable for the remainder of the frame. Thus, preceding gate lines are tied through subsequent transistors such that all transistors open after the capacitors have their reference terminal stablized. In this way, leakage current does not occur through the source and drain of the transistors attended and certain subpixels do not have unintended image artifacts present.
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Liang Regina
Nguyen Jennifer T.
Silicon Image
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