Liquid crystal display device
CA 2454039 A1 · Owner: Kawaguchi, Seiji · Inventors: Arimoto, Katsuyuki; Kobayashi, Takahiro; Ohta, Yoshihito
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid crystal display device includes a signal converter (101) a drive , pulse generator (102), a source driver (103) a gate driver (1704), and a , multiplexer unit (1706). Between the source driver (103) and a display area unit (1705), the liquid crystal display device further includes an intersection portion (204) where wires corresponding to two source lines (S2 S3) as the second and the third lines from the end of each set are intersected when the source lines (S1, S2, S3, S4, ...) in the display area unit are divided into four-line sets. Thus, in the liquid crystal display device using the multiplexer unit for switching a plurality of source lines by time division, it is …
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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 March 26, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2025.
- 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.