Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaaki Hiroki0
Date of Patent
February 26, 2019
0Patent Application Number
153880030
Date Filed
December 22, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In order to display 3D images by a parallax barrier method, a display screen and the eyes of a viewer need to have a specific positional relation. An object is to provide a display device with an extended area where the viewer can perceive 3D images with the naked eye. Attention is focused on the position of the viewer with respect to pixels provided in a display device and a mode of a parallax barrier provided between the viewer and the pixels. This leads to a structure in which the position of the viewer with respect to pixels is specified by using an ultrasonic wave to change a mode of a parallax barrier in accordance with the position of the viewer, thereby achieving the above object.
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