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. 03, 2022
Filed:
May. 17, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02F 1/13357 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0051 (2013.01); G02B 6/0065 (2013.01); G02F 1/133606 (2013.01); G02F 1/133507 (2021.01);
Abstract
An aspect of the present disclosure provides a backlight unit with improved wrinkled phenomenon of optical sheet due to external factors such as temperature or humidity, and a display apparatus including the same. The display apparatus according to an embodiment includes: a backlight unit comprising an optical sheet; and an image forming unit configured to generate an image by transmitting or blocking light emitted from the backlight unit, and the optical sheet includes a plurality of sheets, and comprises a shape memory material in at least one of the plurality of sheets.