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:
May. 21, 2024
Filed:
Jul. 08, 2021
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Changkun Lee, Seoul, KR;
Seokil Moon, Suwon-si, KR;
Geeyoung Sung, Daegu, KR;
Bongsu Shin, Seoul, KR;
Hongseok Lee, Seoul, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); F21V 8/00 (2006.01); G02B 1/00 (2006.01); G02B 5/00 (2006.01); G02B 5/32 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02B 1/002 (2013.01); G02B 5/003 (2013.01); G02B 5/32 (2013.01); G02B 6/0026 (2013.01); G02B 6/005 (2013.01);
Abstract
A waveguide type display apparatus is provided. This waveguide type display apparatus includes a waveguide through which an image proceeds and a leakage image reducer configured to reduce emission of a leakage image leaked from the waveguide without total internal reflection in the waveguide, from among images, to the outside by a volume grating.