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. 24, 2019
Filed:
Feb. 02, 2018
Samsung Display Co., Ltd., Yongin-si, Gyeonggi-Do, KR;
Hongbeom Lee, Hwaseong-si, KR;
Jihoon Shin, Asan-si, KR;
Yeunmo Yeon, Asan-si, KR;
Eunkyung Kim, Asan-si, KR;
Minho Park, Asan-si, KR;
Chowon Park, Cheonan-si, KR;
Yina Yun, Asan-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, Gyeonggi-Do, KR;
Abstract
A display device includes: a substrate; a gate line, a dummy gate line, a data line, a dummy data line, a pixel electrode, and a dummy pixel electrode, each disposed on the substrate; a switching element connected to the gate line, the data line, and the pixel electrode; a dummy switching element connected to the dummy gate line, the dummy data line, and the dummy pixel electrode; a compensation circuit detecting a change amount of a drain current based on drain currents generated from the dummy pixel at different time points, and detecting a change amount of a gate voltage of the dummy switching element based on the change amount of the drain current; a power supply circuit outputting a corrected gate-off voltage based on the change amount of the gate voltage; and a gate driver applying the corrected gate-off voltage to the gate line.