Title:
OPTICAL ELEMENT BLOCKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/189902
Kind Code:
A1
Abstract:
An optical element blocking device according to one embodiment comprises: a movable element including an optical element and a cavity accommodating the optical element; a closed portion surrounding the movable element; and a cover having an open portion which does not surround the movable element, wherein the movable element is movable between a first position in which the optical element is blocked from the outside by the closed portion and a second position in which at least a portion of the optical element is open with respect to the outside by the open portion.
Inventors:
JIN SANG HO (KR)
LIM YEON JUN (KR)
LIM YEON JUN (KR)
Application Number:
PCT/KR2020/002458
Publication Date:
September 24, 2020
Filing Date:
February 20, 2020
Export Citation:
Assignee:
LG UPLUS CORP (KR)
International Classes:
G03B11/06; G03B17/02
Foreign References:
| JP2007142924A | 2007-06-07 | |||
| JPS634666B2 | 1988-01-29 | |||
| JP2018028671A | 2018-02-22 | |||
| JP2013222187A | 2013-10-28 | |||
| JP2010151950A | 2010-07-08 |
Attorney, Agent or Firm:
MUHANN PATENT & LAW FIRM (KR)
Download PDF: