Active matrix display device and method of driving same

An active matrix LCD display of the multi-pixel drive (MPD) type, in which a pixel comprises a plurality of sub-pixels with each sub-pixel of a pixel being associated with a respective storage capacitor address lines so that the voltage applied across an individual sub-pixel depends on both the sign...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Brown, Christopher James, Gass, Paul Antony, Walton, Emma Jayne, Broughton, Benjamin John
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	An active matrix LCD display of the multi-pixel drive (MPD) type, in which a pixel comprises a plurality of sub-pixels with each sub-pixel of a pixel being associated with a respective storage capacitor address lines so that the voltage applied across an individual sub-pixel depends on both the signal voltage and the voltage applied to the associated storage capacitor address line, is driven such that the relationship between at least a first one of the capacitor line voltages and a second one of the capacitor line in a first display refresh period of the frame is different to the relationship between the first of the capacitor line voltages and the second of the capacitor line voltages in a second display refresh period of the frame. This allows the root-mean-square (RMS) voltage applied over the frame across a first of the sub-pixels to be controlled at least partially independently of the RMS voltage applied over the frame across a second of the sub-pixels, thereby providing increased resolution.