Title:
DISTANCE MEASURING CAMERA APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/107465
Kind Code:
A1
Abstract:
A distance measuring camera apparatus according to an embodiment of the present invention comprises: a light-emitting unit; and a light-receiving unit including an image sensor. The light-emitting unit comprises: a light source including a light-emitting device; and a diffusion member arranged on the light source and including a plurality of micro-lenses. The diffusion member includes a first region and a second region, wherein the first region surrounds the second region and the second region is arranged such that the center thereof overlaps the light-emitting unit in an optical axis direction. In addition, the diameter of the micro-lens in the second region is smaller than the diameter of the micro-lens in the first region.
Inventors:
PARK GWUI YOUN (KR)
YU DONG HYUN (KR)
YU DONG HYUN (KR)
Application Number:
PCT/KR2020/015860
Publication Date:
June 03, 2021
Filing Date:
November 12, 2020
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H04N5/225; G02B3/00; G02B5/02
Foreign References:
| KR20120069833A | 2012-06-29 | |||
| KR20140103817A | 2014-08-27 | |||
| JP2017207695A | 2017-11-24 | |||
| JP2016042191A | 2016-03-31 | |||
| KR20150065473A | 2015-06-15 |
Other References:
See also references of EP 4068746A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
Download PDF: