Passive display device

Details Passive display device Passive display device

G - Physics

09

F

345/6

G09F 9/35 (2006.01) G09F 9/37 (2006.01)

Patent

CA 1188780

ABSTRACT: "Passive display device." On the facing surfaces of a first and second supporting plate, of which at least the first supporting plate is transparent, first and second electrodes, res- pectively, are provided of which at least the first electrodes are transparent. An opaque liquid is present between the supporting plates. Third electrodes (16) which can be moved between the first and second electrodes by electrostatic forces are connected to the second supporting plate. The third electrodes (16) are formed by a display part (20) having a large number of apertures (21) of which the colour of the side facing the first supporting plate is contrasting with the colour of the liquid. A number of resilient elements (22) is provided below the display part (20) one end (23) of which is con- nected to the display part (20) and the other ends (25) of which are connected to pillars (26) which are provided on the second supporting plate.

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