The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 01, 2021

Filed:

Apr. 11, 2018
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Young Jae Choi, Seoul, KR;

Seong Jin Kim, Seoul, KR;

Hyun Duck Yang, Seoul, KR;

Eay Jin Lim, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 43/31 (2018.01); F21S 43/20 (2018.01); G02B 30/00 (2020.01); F21W 103/60 (2018.01); F21W 103/10 (2018.01); F21W 103/35 (2018.01);
U.S. Cl.
CPC ...
F21S 43/31 (2018.01); F21S 43/26 (2018.01); G02B 30/00 (2020.01); F21W 2103/10 (2018.01); F21W 2103/35 (2018.01); F21W 2103/60 (2018.01);
Abstract

A lighting device according to one embodiment comprises: a housing having an opening; a half mirror member arranged in the opening; a first light source unit for emitting light at the half mirror member; a mirror member for re-reflecting light reflected by the half mirror member; a diffusion plate arranged between the first light source unit and the half mirror member; and a guide unit protruding from the lower surface of the housing, wherein the housing includes a first area and a second area formed by the guide unit, the first light source unit is arranged in the first area and the mirror member is arranged in the second area, and the diffusion plate can be supported by the guide unit. Therefore, the lighting device can implement various three-dimensional effects of an optical image according to a field of view by using the half mirror member and the mirror member during lighting.


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