Title:
LIGHT ISOLATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/078695
Kind Code:
A1
Abstract:
The present application relates to a light isolation device. The light isolation device of the present application has excellent forward direction transmissivity, and may not require separate external force. Such a light isolation device can be used in various applications such as optical communication or laser optics, security, privacy protection, improvement of luminance of displays, or military camouflage and concealment, for example.
Inventors:
HAN SANG CHOLL (KR)
PARK SEONG MIN (KR)
KIM BYUNG MOOK (KR)
PARK SEONG MIN (KR)
KIM BYUNG MOOK (KR)
Application Number:
PCT/KR2018/012481
Publication Date:
April 25, 2019
Filing Date:
October 22, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
G02B5/20; G02B5/04
Foreign References:
| US20050123232A1 | 2005-06-09 | |||
| US20090046347A1 | 2009-02-19 | |||
| JPH0720407A | 1995-01-24 | |||
| JP2010032807A | 2010-02-12 | |||
| US20100265582A1 | 2010-10-21 | |||
| KR20170136743A | 2017-12-12 |
Other References:
See also references of EP 3693770A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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