Liquid crystal matrix display device

Details Liquid crystal matrix display device Liquid crystal matrix display device

G - Physics

09

G

375/39, 345/8

G09G 3/00 (2006.01) G09G 3/36 (2006.01)

Patent

CA 1184682

LIQUID CRYSTAL MATRIX DISPLAY DEVICE ABSTRACT OF THE DISCLOSURE A liquid crystal matrix display device has a plurality of liquid crystal display elements arranged in an X-Y matrix pattern. Vertical transmitting lines are connected to all of the display elements of each column, and horizontal transmitting lines are connected to each of the display elements of each row. Each of the vertical lines is connected through an input switching element to an input circuit to receive a video input signal and a horizontal pulse generator provides sequential pulse signals to control terminals of the input switching elements. In order to compensate for crosstalk that occurs because of parasitic capacitance between the vertical transmitting lines and the liquid crystal display elements, auxiliary lines are provided for the columns of such display elements, and each has a predetermined compensating capacitance relative to its associated liquid crystal display elements. A compensating signal, which is an inverted version of the video signal, is applied in succession to the auxiliary lines to compensate for any crosstalk. -1-

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