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Display device

A technology for display devices and transistors, applied to static indicators, instruments, electrical components, etc., to achieve the effects of reducing lag, improving display quality, and reducing afterimages

Pending Publication Date: 2021-12-07
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aspects of some example embodiments of the present disclosure include a display device capable of improving image quality of the display device by reducing leakage current flowing through a transistor of a pixel circuit, and preventing or reduce flickering

Method used

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Embodiment Construction

[0043] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of various example embodiments or implementations of the invention. As used herein, "embodiment" and "implementation", which are non-limiting examples of apparatuses or methods employing one or more of the inventive concepts disclosed herein, are interchangeable words. It is evident, however, that the various example embodiments may be practiced without these specific details or with one or more equivalent arrangements. In other instances, well-known structures and devices are shown in block diagram form in order to avoid unnecessarily obscuring the various example embodiments. Furthermore, the various example embodiments may differ, but are not necessarily exclusive. For example, specific shapes, configurations, and characteristics of an example embodiment may be used in or implemented in another example embodiment without dep...

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Abstract

A display device includes: a plurality of pixels on a substrate, each of the plurality of pixels including a light emitting element and a pixel circuit configured to drive the light emitting element, wherein the pixel circuit of each of the plurality of pixels comprises: a first-first transistor configured to control a driving current flowing through the light emitting element based on a voltage of a first node; a first-second transistor connected in series with the first-first transistor and configured to control the driving current based on a voltage of a second node; a second transistor configured to selectively supply a data voltage to a third node which is a first electrode of the first-first transistor; a third-first transistor connected between the first node and a fourth node which is a second electrode of the first-second transistor; and a third-second transistor connected between the second node and the fourth node.

Description

[0001] Cross References to Related Applications [0002] This application claims priority and benefit from Korean Patent Application No. 10-2020-0066455 filed with the Korean Intellectual Property Office on June 2, 2020, the entire contents of which are incorporated herein by reference. technical field [0003] Aspects of some example embodiments of the present disclosure relate to display devices. Background technique [0004] With the development of an information-oriented society, more and more demands are placed on display devices for displaying images in various ways. For example, display devices are used in various electronic devices such as smart phones, digital cameras, laptop computers, navigation devices, and smart TVs. The display device may be a flat panel display device such as a liquid crystal display device, a field emission display device, and an organic light emitting display device. Among the flat panel display devices, among the light emitting display de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32G09G3/3233
CPCG09G3/32G09G3/3233G09G2320/0247G09G2300/0819G09G2300/0814G09G2320/0214G09G3/3266G09G3/3291G09G3/3258H10K59/1213H10K59/131H10K59/1216
Inventor 金根佑姜泰旭
Owner SAMSUNG DISPLAY CO LTD
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