Patent ID: 9335552
Filing Date: 2016-05-10
CPC Classification: H04N

Claim Text:
1. An image display apparatus comprising: a display for displaying multi-viewpoint images; a lens unit disposed in front of the display, for separating the multi-viewpoint images according to directions; a controller for, when at least one of viewpoint images perceived to left and right eyes of a first viewer are overlapped between the left and right eyes of the first viewer, controlling processing of at least one of the overlapped viewpoint images as black, and a camera unit to track positions of the left and right eyes of the first viewer and transmit, to the controller, first position information, the first position information being information about the tracked positions, wherein the controller determines first viewpoint information about the left and right eyes of the first viewer using the first position information, wherein the controller receives second position information being information about positions of left and right eyes of a second viewer, the controller calculates second viewpoint information about the left and right eyes of the second viewer using the second position information, and when a distance between the first viewer and the second viewer is smaller than a reference distance that allows stable insertion of black data, the controller controls the display to display a notification message, wherein the notification message includes at least one of a direction to move for the first and second viewer or a minimum distance to move for the first or second viewer, and wherein the controller, when the distance between the first viewer and the second viewer is equal to or larger than a reference distance, controls to process at least one of the overlapped viewpoint images as black.