Samsung electronics co., ltd. (20250102807). ELECTRONIC DEVICE FOR TRACKING USER'S GAZE
ELECTRONIC DEVICE FOR TRACKING USER'S GAZE
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ELECTRONIC DEVICE FOR TRACKING USER'S GAZE
This abstract first appeared for US patent application 20250102807 titled 'ELECTRONIC DEVICE FOR TRACKING USER'S GAZE
Original Abstract Submitted
an electronic device, including: an infra-red (ir) light source configured to output infrared light; a waveguide; a first optical element on a first area of the waveguide, wherein the first optical element is configured to allow external light to enter the waveguide; a second optical element on a second area of the waveguide, wherein the second optical element is configured to output the external light incident to an outside of the waveguide; a third optical element on a third area of the waveguide, wherein the third area is different from the first area and the second area, and wherein the third optical element is configured to diffract the infrared light; and an image sensor configured to receive the diffracted infrared light