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:
Apr. 21, 2025
Filed:
Aug. 20, 2023
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Byung Ki Chun, Yongin-si, KR;
Sun-Koo Kang, Yongin-si, KR;
Myeongbin Lim, Yongin-si, KR;
Min-Seok Bae, Yongin-si, KR;
Kanghee Lee, Yongin-si, KR;
Assignee:
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2015.12); G09G 3/3291 (2015.12);
U.S. Cl.
CPC ...
G09G 3/32 (2012.12); G09G 3/3291 (2012.12); G09G 2310/0275 (2012.12); G09G 2310/0291 (2012.12); G09G 2320/0276 (2012.12); G09G 2330/021 (2012.12); G09G 2330/028 (2012.12);
Abstract
A data driving circuit includes: a reference voltage generator that receives a data control signal and generates a gamma reference voltage and a test reference voltage, a data driving unit that outputs a data signal for a pixel based on the gamma reference voltage, and an output circuit that outputs a test data voltage for a dummy pixel based on the test reference voltage.