Liquid crystal display panel system and method of using same
CA 2071847 A1 · Owner: Hauck, Lane T. · Inventors: Shaw, Robert W.; Farwell, Randall S.; Shapiro, Leonid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The display system (10) includes a liquid crystal display panel unit (12) having three different color components for each pixel of the resulting display. Each one of the individual color components of a pixel of the liquid crystal display panel unit (12) is activated selectively by a corresponding one of a set of video processing units (20, 21, 22). Each video processing unit (20 21, 22) is responsive to a video signal from a conventional computer processor (11) for causing the reproduction of a component of a colored image. Each video processing unit (20 21, 22) includes a, translating arrangement (23 24, 25) for converting a component, part of the computer generated video signal into a …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed January 23, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.