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:
Jan. 14, 2025
Filed:
Jan. 24, 2024
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Tsuyoshi Tamura, Hara-mura, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G09G 3/3225 (2016.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G09G 3/3225 (2013.01); G09G 2300/0426 (2013.01); G09G 2310/0291 (2013.01); G09G 2330/12 (2013.01);
Abstract
In a first operation, in a tournament circuit, any one row of data lines is selected according to a selection signal, and a voltage of the selected data line is output to a test output terminal via an amplifier. In a second operation, a selection circuit in a first layer in the tournament circuit is in an off state between all the data lines and an input end of a selection circuit in a second layer.