Title:
SCREEN-LINKED BEAM PROJECTOR DISPLAY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/177040
Kind Code:
A1
Abstract:
The present invention provides a screen-linked beam projector display system. The present invention controls information transmission of a beam projector and an operation of a PDLCD to be linked through an intuitive switch of an RF signal used for wireless communication in order to use the PDLCD as an active rear projection type display. Accordingly, the present invention not only enables an intuitive large display function of a PDLCD and PDLCD smart window application through a beam projector, but also enables users to easily and conveniently execute rear projection control even at home. In addition, the present invention can save energy in a place, such as an office or an exhibition hall, where utilization of an audiovisual material is required, through a function of switchable digital signage, and can draw a consumer's attention and provide information, an advertisement, etc. without installation of an additional display or sight disturbance.
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Inventors:
PARK JAE-EUN (KR)
KIM EUN-JEE (KR)
KIM EUN-JEE (KR)
Application Number:
PCT/KR2021/002140
Publication Date:
August 25, 2022
Filing Date:
February 19, 2021
Export Citation:
Assignee:
INTERBRID INC (KR)
International Classes:
G03B21/60; G02F1/1334; G09G3/02; G09G3/36; H04N21/422
Foreign References:
| KR20190012087A | 2019-02-08 | |||
| KR20200090396A | 2020-07-29 | |||
| KR102044435B1 | 2019-11-13 | |||
| KR102223758B1 | 2021-03-05 |
Other References:
ANONYMOUS: "Transparent/opaque switchable rear screen magic glass", HUGREEN PRODUCT NEWS, HUGREEN CO., LTD., 14 October 2020 (2020-10-14), pages 1 - 14, XP055959704, Retrieved from the Internet [retrieved on 20220912]
Attorney, Agent or Firm:
PARK, Jong-Man (KR)
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