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.
Patent No.:
Date of Patent:
Aug. 14, 2018
Filed:
Nov. 05, 2015
Applicants:
Hyundai Motor Company, Seoul, KR;
SL Corporation, Daegu, KR;
Inventors:
Jeong Gyu Yang, Yongin, KR;
Sun Tae Kim, Gwangju, KR;
Assignees:
HYUNDAI MOTOR COMPANY, Seoul, KR;
SL CORPORATION, Daegu, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); G03H 1/22 (2006.01); F21V 7/00 (2006.01); F21S 43/14 (2018.01); F21S 43/20 (2018.01); F21S 43/31 (2018.01); F21S 43/40 (2018.01); G03H 1/04 (2006.01);
U.S. Cl.
CPC ...
G03H 1/2286 (2013.01); F21S 43/14 (2018.01); F21S 43/26 (2018.01); F21S 43/31 (2018.01); F21S 43/40 (2018.01); F21V 7/0008 (2013.01); F21V 7/0033 (2013.01); F21V 7/0066 (2013.01); G03H 1/2202 (2013.01); G03H 2001/0413 (2013.01); G03H 2001/2234 (2013.01); G03H 2210/30 (2013.01); G03H 2227/06 (2013.01);
Abstract
An optical device includes a hologram recording member on which a hologram image is recorded, a light source for reproducing the hologram image, a first reflecting surface for projecting the hologram image ahead of the hologram recording member by reflecting a light from the light source into a rear side of the hologram recording member at a predetermined angle, and a second reflecting surface for generating a backlight by reflecting the light from the light source into the rear side of the hologram recording member.