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:
Aug. 31, 2015
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-Do, KR;
Wonhyoung Kang, Asan-si, KR;
Mingyu Kim, Asan-si, KR;
Taegon Im, Gyeonggi-do, KR;
Songyi Han, Asan-si, KR;
Jintaek Hong, Asan-si, KR;
Samsung Display Co., Ltd., Samsung-ro, Giheung-Gu, Yongin-si, Gyeonggi-Do, KR;
Abstract
A backlight unit includes: a light source configured to emit light based on a driving current; and a backlight controller receiving a digital dimming signal that defines a length of an output period of the driving current from a pulse width modulator and configured to, when a duty ratio of the driving current is less than a reference duty ratio, modulates the duty ratio of the driving current so that the duty ratio of the driving current is equal to or greater than the reference duty ratio and decrease a duty ratio of the digital dimming signal.