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:
Apr. 06, 2021

Filed:

Dec. 16, 2019
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 display panel including a plurality of pixels configured to display an image, each of at least one of the plurality of pixels including a pixel circuit and a light emitting device connected to the pixel circuit, wherein the pixel circuit includes a driving transistor controlling a driving current flowing at the light emitting device, a data supply transistor selectively providing a data voltage to a first node which is a source electrode of the driving transistor, a first light emitting control transistor selectively connecting the first node to a second node which is an electrode of the light emitting device, a first capacitor connected between the second node and a fourth node which is a gate electrode of the driving transistor, and a second capacitor connected between the second node and a gate electrode of the data supply transistor.


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