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. 15, 2025

Filed:

Jan. 29, 2024
Applicant:

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

Inventors:

MinKyung Lee, Paju-si, KR;

ChangHoon Jeon, Paju-si, KR;

Li-Jin Kim, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0247 (2013.01); G09G 2340/0435 (2013.01);
Abstract

A light emitting display apparatus includes a pixel including a pixel driving circuit and a light emitting device, and a gate driver supplying gate signals to the pixel driving circuit. The pixel driving circuit includes a switching transistor, a driving transistor, and a first light emitting transistor. The first light emitting transistor is connected between an anode of the light emitting device and a first node, the driving transistor controls the size of the current supplied to the light emitting device through the first node and the first light emitting transistor, and the switching transistor controls the supply of a data voltage to the light emitting device through the first node. During the use of the light emitting display apparatus, one second is divided into a refresh period and an anode reset period, and the switching transistor is turned on only during the refresh period.


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