PROJECTION DISPLAY APPARATUS INCLUDING EYE TRACKER

• Main Authors: SUNG, Geeyoung, LEE, Hongseok, CHUNG, Jaeseung
• Format: Patent
• Language: English
• Published: 24.01.2019
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CALCULATING; CINEMATOGRAPHY; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; ELECTROGRAPHY; HANDLING RECORD CARRIERS; HOLOGRAPHY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHOTOGRAPHY; PHYSICS; PRESENTATION OF DATA; RECOGNITION OF DATA; RECORD CARRIERS

Provided is a projection display apparatus that tracks a user's eye with an eye tracker and displays a high-resolution image at a position of the user's eye. The projection display apparatus includes an eye tracker configured to track an eye of a user; a projector configured to project an image; and a controller configured to control the projector, based on a position of the eye of the user obtained from the eye tracker, to perform a first operation to project a first portion of the image at a first resolution onto a first region with respect to the position of the eye of the user, and to perform one of a second operation to project a second portion of the image at a second resolution lower than the first resolution onto a second region excluding the first region, and a third operation to refrain from projecting the image in the second region.