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:
Jan. 14, 2025
Filed:
Jun. 14, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Sangwoo Ha, Seongnam-si, KR;
Tetsuo Ariyoshi, Seongnam-si, KR;
Soomoon Park, Seoul, KR;
Ilseop Won, Hwaseong-si, KR;
Jongpil Won, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A display device includes a light guide plate; an input grating on a first surface of the light guide plate and configured to generate a diffracted transmission beam; an output grating on the first surface of the light guide plate and spaced apart from the input grating, wherein the output grating is configured to generate a first output beam emitted from the light guide plate; and an optical efficiency enhancement layer on a second surface of the light guide plate and overlapping at least one of the input grating and the output grating in a traveling direction of the input beam, the second surface being opposite to the first surface.