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:
Jun. 25, 2019
Filed:
Dec. 28, 2017
Cj Cgv Co., Ltd., Seoul, KR;
Du Hui Lee, Suwon-si, KR;
Kyung Yoon Jang, Seoul, KR;
CJ CGV CO., LTD., Seoul, KR;
Abstract
A multi-projection screening system may include a projection apparatus projecting an image, a plurality of projection surfaces onto which the image is projected, a polymer dispersed liquid crystal (PDLC) panel disposed in some of the plurality of projection surfaces, and a server controlling the PDLC panel. A method of controlling a PDLC panel may include the steps of checking whether an image is projected onto the PDLC panel and controlling a color displayed on the PDLC panel. A multi-projection screening method may include the steps of projecting an image onto a projection surface disposed in the front of a theater, checking whether an image is projected onto a PDLC panel, and controlling a color displayed on the PDLC panel. In accordance with embodiments of the present invention, a totally uniform image can be provided, and a sense of difference between front and side projection images can be prevented from occurring.