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. 02, 2024
Filed:
Dec. 23, 2020
Applicant:
Tcl China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Inventor:
Fuyi Wang, Shenzhen, CN;
Assignee:
TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/02 (2006.01); G09F 9/30 (2006.01); G09G 3/00 (2006.01);
U.S. Cl.
CPC ...
G01R 27/02 (2013.01); G09F 9/30 (2013.01); G09G 3/006 (2013.01);
Abstract
The present invention provides a display device and detection method for impedance of the display device. The display device includes a display panel, a circuit board, and a chip-on-film. The chip-on-film includes pins, and the pins include conducting pins and test pins. The conducting pins are electrically connected to a first detection part of the circuit board, and the test pins are electrically connected to a second detection part of the circuit board. The conducting pins electrically connected to the first detection part are connected to the test pins by test wires.