Display device
CA 1207420 A · Owner: Hitachi Ltd. · Inventors: Ohwada, Junichi; Matsui, Makoto; Maruyama, Eiichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-, Abstract:, A display device has picture elements arrayed on a transparent insulating substrate. Transistor portions are formed of a semiconductor layer on the substrate. The device is characterized in that interconnection parts of the transistor portions extend on the semiconductor layer. The advantage of the invention is avoidance of potential disconnection of the interconnection parts.
Read the whole patent
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
- Granted July 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 2003.
- 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.