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:
Dec. 29, 2020
Filed:
Aug. 07, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Jin Hyun Cho, Suwon-si, KR;
Nam Seok Roh, Suwon-si, KR;
Won Geun Ryu, Suwon-si, KR;
Sang Hyun Sohn, Suwon-si, KR;
Hyo Gun Lee, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1334 (2006.01); G02F 1/1335 (2006.01); G02F 1/1343 (2006.01); G02F 1/1347 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1334 (2013.01); G02F 1/13439 (2013.01); G02F 1/133524 (2013.01); G02F 1/133553 (2013.01); G02F 1/13476 (2013.01); G02F 2203/01 (2013.01); G02F 2203/03 (2013.01);
Abstract
Provided is a display apparatus including a light source configured to emit light; a light guide plate configured to diffuse and emit light emitted from the light source; and a local dimming portion configured to pass or scatter light emitted from the light guide plate. The local dimming portion may include an electro-optical material and a plurality of grains having refractive index that changes based on an electric field.