2-MHz clocked LCD drivers on glass

2-MHz clocked LCD drivers on glass

A poly-CdSe thin-film transistor (TFT) liquid crystal display (LCD) driver circuit which is integrated on the display itself, reducing the interconnections to the display, is described. The circuit can be used to drive the rows as well as the columns of active and passive matrix LCDs. Drivers made i...

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Veröffentlicht in:IEEE journal of solid-state circuits 1990-04, Vol.25 (2), p.531-538
Hauptverfasser: De Rycke, I., Van Calster, A., VanFleteren, J., De Baets, J., Doutreloigne, J., De Smet, H., Vetter, P.
Format: Artikel
Sprache:eng
Schlagworte:
Active matrix technology
Applied sciences
Circuit simulation
Clocks
Display
Driver circuits
Electronics
Exact sciences and technology
Frequency
Glass
Integrated circuit interconnections
Integrated circuit technology
Liquid crystal displays
Thin film transistors
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Beschreibung
Zusammenfassung:A poly-CdSe thin-film transistor (TFT) liquid crystal display (LCD) driver circuit which is integrated on the display itself, reducing the interconnections to the display, is described. The circuit can be used to drive the rows as well as the columns of active and passive matrix LCDs. Drivers made in a 25- mu m technology operate at frequencies up to 2 MHz. Simulations indicate a maximum operating frequency of 8 MHz for a 12.5- mu m technology. By using a time-multiplexing addressing scheme, gray scales can be obtained. In order to address high-resolution displays with gray scales, parallel operating drivers can be used, requiring only one extra connection per parallel driver.< >
ISSN:0018-9200
1558-173X
DOI:10.1109/4.52181