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G02F 1/13 (2006.01) G02F 1/1345 (2006.01) G02F 1/1362 (2006.01) G02F 1/1365 (2006.01) G02F 1/1368 (2006.01)
Patent
CA 1266113
0DS-0048 ABSTRACT OF THE DISCLOSURE A light influencing display including at least one pixel having a pixel capacitance and an auxiliary capacitance in parallel with the pixel capacitance is disclosed. The pixel includes electrodes located in at least three spaced apart layers, namely a first electrode including first and second spaced apart electrode portions in a first layer, and a second electrode spaced from and facing the first electrode portions in substantially parallel relations thereto in a second layer. The second electrode is electrically insulated from all external circuit connections and from all other pixel electrodes and liquid crystal display material is disposed between the first electrode and the second electrode. The auxiliary capacitance is provided by at least a first auxiliary electrode in a third layer spaced and insulated from and facing at least the first electrode portion of the first electrode on the side of the first electrode opposite the liquid crystal material. The auxiliary electrode is electrically connected to the second electrode portion of the first electrode. Additional auxiliary capacitance can be provided by including in the pixel a second auxiliary electrode in the third layer connected to the first portion of the first electrode. A method of efficiently constructing such pixels using only one layer of insulation which performs three distinct functions is also disclosed. Further additional auxiliary capacitance may also be provided by including additional auxiliary electrodes located in additional layers.
546412
Macrae & Co.
Ovonic Imaging Systems Inc.
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