Sony Hit With ITC Action Over LCD Projector Patent

Law360, New York (October 25, 2011, 1:46 PM EDT) -- Projection technology company Compound Photonics Ltd. has lodged a complaint against Sony Corp. with the U.S. International Trade Commission, claiming the electronics giant is importing high-end projectors that infringe its patent covering liquid crystal display technology, the ITC said Monday.

U.K.-based Compound brought the complaint to stop Sony from importing projectors that allegedly infringe a patent for improving the image quality of LCD displays.

At issue is U.S. Patent No. 6,829,027, entitled “Controlled angle retarder,” which covers a method of fabricating an LCD device to “tune”...
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