Title:
VIDEO WALL
Document Type and Number:
WIPO Patent Application WO/2020/149619
Kind Code:
A1
Abstract:
The present invention relates to a video wall. A video wall according to one embodiment of the present invention, comprises: a plurality of displays disposed adjacent to each other; a video division unit for dividing an input video into a plurality of videos for display on the plurality of displays; and at least one control unit for controlling a plurality of video display devices corresponding to the plurality of displays, wherein when a video displayed on the plurality of video display devices is repeatedly played, a boundary area displayed on the plurality of video display devices is stored and transmitted to an adjacent video display device, and each video display device synthesizes the received boundary area and a video area to be displayed, and displays some areas of the synthesized video. Accordingly, it is possible to reduce generation of black areas while reducing afterimages in the video wall having the plurality of displays.
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Inventors:
NOH HYUNCHUL (KR)
JEON SANGYEOP (KR)
KIM SANGYEOL (KR)
JEON SANGYEOP (KR)
KIM SANGYEOL (KR)
Application Number:
PCT/KR2020/000692
Publication Date:
July 23, 2020
Filing Date:
January 14, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04N5/262; G06F3/14; H04N5/21; H04N21/414
Foreign References:
| US20150220300A1 | 2015-08-06 | |||
| KR20180020830A | 2018-02-28 | |||
| KR20160132170A | 2016-11-17 | |||
| KR20170026878A | 2017-03-09 | |||
| KR101557027B1 | 2015-10-02 |
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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