Optical: systems and elements – Having significant infrared or ultraviolet property – Including continuously variable magnification or focal length
Patent
1993-04-28
1994-10-11
Sikes, William L.
Optical: systems and elements
Having significant infrared or ultraviolet property
Including continuously variable magnification or focal length
359 58, 359 59, G02F 11343
Patent
active
053552512
ABSTRACT:
A liquid crystal display (LCD) of high visual quality and having a high density wiring arrangement is provided. The LCD can accommodate up to four addressing and/or control conductors placed across the display and between columns and rows of display electrodes. If four conductors are utilized, those conductors can be arranged as a stacked pair placed between rows and a stacked pair placed between columns of display electrodes. At areas where one stacked pair of conductors intersect the other, a plurality of cross-over regions exists which provide vias for routing the conductors through the region as well as for connecting the conductors to a control circuit within each region. Each control circuit includes a pass-gate transistor for receiving two addressing conductors and a memory element capable of receiving two power conductors. Thus, by using stacked pairs of conductors, the LCD hereof provides complete routing of two addressing conductors and two power conductors in the stacked pairs to their respective destinations in order to achieve buffered, long-term charge at each display electrode.
REFERENCES:
patent: 5068748 (1991-11-01), Ukai et al.
patent: 5121236 (1992-06-01), Ukai et al.
Daffer Kevin
Dell U.S.A. L.P.
Huffman James
Mai Huy
Sikes William L.
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