Display device

Communications: electrical – Continuously variable indicating – With meter reading

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340792, G09G 300

Patent

active

046479279

ABSTRACT:
A display device having a display array of m.times.n display elements driven by a static shift register having m.times.n stages respectively corresponding to row and column designations of the display elements. The column lines of the display element array are driven by a first output of the m stages. At the same time, pixel data are supplied to the shift register in accordance with a binary level of an externally supplied select signal. Alternatively, the shift register is shifted in a recursive manner. The row lines of the display element array are scanned in accordance with a count of a clock signal. Select signal lines and clock signal lines are respectively aligned along the row and column directions of a unit panel when plural display arrays as described above are arranged in a matrix form to provide a large-screen display unit. The lines of each display array are sequentially driven in accordance with the supply pattern of the select and clock signals from a corresponding unit driver. The shift register arrangement decreases the number of connections or wirings between a module driver and the display element array and simplifies the circuit arrangement of the module driver.

REFERENCES:
patent: 3432846 (1969-03-01), Jones et al.
patent: 3445827 (1969-05-01), Keyes
patent: 3793629 (1974-02-01), Sharpless
patent: 3909788 (1975-09-01), Kaelin et al.
patent: 4121256 (1978-10-01), Lorteije
patent: 4149151 (1979-07-01), Nagae et al.
patent: 4180813 (1979-12-01), Yoneda
patent: 4368467 (1983-01-01), Unotoro et al.
patent: 4393379 (1983-07-01), Berting et al.
Proceedings of the S.I.D., vol. 21, no. 2, 1980, pp. 143-155, Los Angeles, US; K. T. Burnette: "Multi-Mode Matrix (MMM) Modular Flight Display Development".
Nachrichtentechnische Zeitschrift Ntz, vol. 33, no. 4, Apr. 1980, pp. 230-236, Berlin, DE; A. Fischer: "Flache Fernseh-Bildschirme".

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