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:
Sep. 12, 2017
Filed:
May. 13, 2016
Samsung Electronics Co., Ltd., Suwon-si, KR;
Taesung Jung, Seoul, KR;
Dongouk Kim, Pyeongtaek-si, KR;
Joonyong Park, Suwon-si, KR;
Jihyun Bae, Seoul, KR;
Bongsu Shin, Seoul, KR;
Sunghoon Lee, Seoul, KR;
Jaeseung Chung, Suwon-si, KR;
Alexander V. Morozov, Moscow area, RU;
SAMSUNG ELETRONICS CO., LTD., Suwon-si, KR;
Abstract
A curved backlight unit is provided. The backlight unit includes a curved light guide plate having a curvature, a first light source configured to provide a first illumination light to a first surface of the curved light guide plate, an array of a plurality of different grating elements disposed on a second surface of the curved light guide plate and configured to allow the first illumination light to exit the curved light guide plate from the second surface, and a second light source configured to provide a second illumination light to a third surface facing the second surface of the curved light guide plate. The curved light guide plate includes a first area configured to allow the second illumination light to exist at a first intensity and a second area configured to allow the second illumination light to exist at a second intensity that is less than the first intensity.