The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2023
Filed:
May. 14, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Motohiro Makiguchi, Musashino, JP;
Hideaki Takada, Musashino, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
Provided is a display method that prevents degradation of image quality due to ghosting. The display method performed with a display apparatus includes a viewpoint position detection step (S) for detecting a viewpoint position d that is an interval between a reflection screen and a viewer α, a diffusion property control step (S) for controlling a diffusion property of the reflection screenin accordance with the viewpoint position d, and a projection step for projecting multiple viewpoint video images having disparity from multiple projectors to the reflection screen. The diffusion property control step (S) includes controlling the diffusion property of the reflection screenby varying a voltage or a duty cycle of an ac signal that is applied to a diffuser layer included in the reflection screen.