| 摘要 |
In active semiconductor backplane (3), for example for a smectic liquid crystal cell, which comprises an array of electronic or elctrical elements in a first region (4), logic elements for addressing said array in a second region spaced from the first, and conductors coupling said first and second regions, the first and second regions are sufficiently widely spaced (21, 22) (providing a "glue lane") to permit the presence of an adhesive sealing strip therebetween without substantial contact with the first and/or second regions, even when an opposed substrate is sealed thereto. The backplane may comprise spacers (25, 26) in the first region and/or glue lane.
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