Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-10-17
2006-10-17
Hjerpe, Richard (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C359S296000
Reexamination Certificate
active
07123238
ABSTRACT:
An electrophoretic display device includes a spacer layer sandwiched between two conductive film substrates, the spacer layer defining a multiplicity of individual reservoirs within the display device which are filled with a display liquid. The spacer layer preferably is one of (a) a screen in which holes within the screen define the individual reservoirs, (b) a laser punched spacer layer comprised of a sheet having holes laser punched therein in which the laser punched holes define the individual reservoirs, (c) a pocket spacer layer comprised of sheets joined together and containing a pattern of pockets within the sheets in which the pockets define the individual reservoirs, (d) an etched photoresist layer formed upon one of the conductive film substrates in which holes etched in the photoresist layer define the individual reservoirs, and (e) a composite etched layer comprised of a composite of two photoresist layers sandwiching a conductive film in which holes etched in the composite define the individual reservoirs. The device can display both monochrome and color images.
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Bush Adam
Cheng Chieh-Min
Holden David E.
Lin Pinyen
Pan David H.
Kumar Srilakshmi K
Xerox Corporation
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