Samsung, LG in row over eye-tracking technology

South Korean manufacturers Samsung Electronics Co. and LG Electronics Inc. are in a patent row over technology that enables users to control their smartphones with their eyes, upping the ante between them as they both plan to release flagship devices next month, market watchers said Tuesday.

Samsung Electronics and LG Electronics both incorporated eye-tracking technology in their latest flagship smartphones -- the Galaxy S4 and the Optimus G Pro -- which are set for release in April.

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