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. 12, 2022

Filed:

Mar. 08, 2021
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Seyong Lee, Paju-si, KR;

Sanghun Yoon, Paju-si, KR;

YeaJin Hwang, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/325 (2016.01); G09G 3/3291 (2016.01); G09G 3/3266 (2016.01);
U.S. Cl.
CPC ...
G09G 3/325 (2013.01); G09G 3/3266 (2013.01); G09G 3/3291 (2013.01); G09G 2310/0264 (2013.01);
Abstract

A display apparatus includes a plurality of pixels configured to display an image, wherein the plurality of pixels is configured to be driven through a plurality of signals according to an initialization period, a programming period, a sampling period, and an emission period. The signals include a first scan signal having a high level in the initialization period and the sampling period, and having a low level in the programming period and the emission period; a second scan signal having a high level in the programming period and the sampling period, and having a low level in the initialization period and the emission period; and a voltage of a first electrode being dropped in synchronization with a falling time of the first scan signal of the initialization period.


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