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.

Date of Patent:
Jul. 16, 2019

Filed:

Jan. 20, 2017
Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-Do, KR;

Inventors:

Il-Hun Jeong, Yongin-si, KR;

Woo-Seok Jang, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G09G 3/3233 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G09G 3/20 (2013.01); G09G 3/3233 (2013.01); G09G 2310/08 (2013.01); G09G 2320/041 (2013.01); G09G 2320/043 (2013.01); G09G 2320/0693 (2013.01); G09G 2330/12 (2013.01);
Abstract

A display device includes a display panel including a plurality of pixels, a power supply transmitting driving power to the pixels via a power line and stopping transmission of the driving power in response to a crack signal, a panel driver provides a driving signal to the pixels, the driving signal for displaying a black image during a non-emission period of each frame period and displaying a valid image during an emission period of each frame period, and a crack detector senses a current flowing through the power line and conditionally generate the crack signal according to values of the current sensed over M successive frame periods, where M is an integer greater than 1.


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