Image display system using a thin-film actuated mirror array
CA 2321760 A1 · Owner: Kim, You Kwang · Inventors: Kim, You Kwang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an image display system capable of displaying an M x N number of pixels based on optical projection, a light source (100) emits a white light the , white light being reflected on a total mirror (106) at a predetermined angle. An optical filter (108, 110) splits the white light reflected from the total mirror (106) into a trinity of primary light beams i.e. a red, green and , blue light beam. Each of a trinity of arrays of M x N actuated mirrors (118 120, 122) generates an optical pixel signal by reflecting the primary light beams impinging thereon, each of the actuated mirrors in the arrays (118 120, 122) being capable of changing the optical path of the primary light beams …
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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 December 22, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2020.
- 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.