Title:
OPTICAL DEVICE AND LIGHT TRANSMISSION UNIT THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/114527
Kind Code:
A1
Abstract:
According to some embodiments of the present disclosure, a light transmission unit included in an optical device may comprise: a housing; a first substrate accommodated inside the housing; a second substrate which is accommodated inside the housing and positioned above the first substrate; a light refraction unit arranged on the second substrate; a light source which is arranged on the first substrate and radiates a first light, at least a portion of the first light being radiated to the outside via the light refraction unit, and at least a portion of the first light being reflected inside the housing; a light sensing unit which is arranged on the first substrate and senses a second light reflected inside the housing; and a control unit for determining the state of the light transmission unit on the basis of the second light.
Inventors:
YANG DAEWOONG (KR)
OH EUNSONG (KR)
OH EUNSONG (KR)
Application Number:
PCT/KR2021/014528
Publication Date:
June 02, 2022
Filing Date:
October 19, 2021
Export Citation:
Assignee:
DEEP IN SIGHT CO LTD (KR)
International Classes:
G01S7/497; G01S7/481; G01S17/86; G01S17/89; H01S5/183; H04N13/254
Foreign References:
| KR0117861Y1 | 1998-05-15 | |||
| KR20020064699A | 2002-08-09 | |||
| KR20160024676A | 2016-03-07 | |||
| KR20030050888A | 2003-06-25 | |||
| KR100355980B1 | 2002-10-12 |
Attorney, Agent or Firm:
LEE, Dae Ho et al. (KR)
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