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:
Aug. 03, 2021
Filed:
May. 07, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Amir Amirkhany, Sunnyvale, CA (US);
Younghoon Song, Santa Clara, CA (US);
Ranick Ng, Pleasanton, CA (US);
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3291 (2016.01); H03M 1/66 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3291 (2013.01); H03M 1/66 (2013.01); G09G 2310/0297 (2013.01); G09G 2310/066 (2013.01); H03F 3/45475 (2013.01);
Abstract
A display compensation circuit includes a driver circuit including a digital-to-analog converter (DAC), the driver circuit configured to drive pixels of a display panel; and a compensation circuit including a current-mode sensing circuit and a reference current generator circuit, the compensation circuit configured to determine a value to compensate for pixel variations across the display panel, the reference current generator circuit configured to generate a reference current using the DAC of the driver circuit.