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Display panel having built-in touchscreen and touch display device including the same

A technology of touch display and touch screen, applied in the direction of static indicator, input/output process of data processing, optics, etc., can solve the problems of parasitic capacitance difference, low image quality, load difference, etc., and achieve the purpose of reducing the difference of load Effect

Active Publication Date: 2017-08-08
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this can lead to a difference in parasitic capacitance between gate lines and thus a difference in loading between gate lines
[0008] Such a difference in load between gate lines may cause a difference in characteristics between gate signals supplied through the gate lines, thereby degrading image quality
[0009] This problem may become more noticeable for display devices with a touch screen panel disposed within the display panel

Method used

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  • Display panel having built-in touchscreen and touch display device including the same
  • Display panel having built-in touchscreen and touch display device including the same
  • Display panel having built-in touchscreen and touch display device including the same

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Embodiment Construction

[0037] Hereinafter, reference will be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. Throughout this document, reference should be made to the accompanying drawings, wherein like reference numerals will be used to designate like or similar components throughout. In the following description of the present disclosure, a detailed description of known functions and components contained herein will be omitted where it may thereby make the subject matter of the present disclosure unclear.

[0038] It will also be understood that although terms such as "first," "second," "A," "B," "(a)," and "(b)" may be used herein to describe various elements, these terms only Used to distinguish one element from another. The substance, order, sequence or number of these elements are not limited by these terms. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, i...

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Abstract

A display panel having a built-in touchscreen and a touch display device including the same. The display panel has a touch electrode structure allowing parasitic capacitance to be dispersed to a greater number of gate lines, which form parasitic capacitance together with touch electrodes, without concentrically relying on specific gate lines. Differences in load between gate lines are reduced to improve image quality.

Description

technical field [0001] Exemplary embodiments of the present disclosure relate to a display panel having a built-in touch screen and a touch display device including the display panel. Background technique [0002] In response to the development of the information society, demands for various display devices for displaying images are increasing. In this regard, recently, a series of display devices such as liquid crystal display (LCD) devices, plasma display panels (PDP) and organic light emitting display devices have been used. [0003] Many display devices provide touch-based input interfaces to enable users to intuitively and conveniently input data or instructions directly to the device instead of using conventional input systems such as buttons, keyboards, or mice. [0004] In order to provide such a touch-based input interface, the ability to sense a user's touch and accurately detect touch coordinates is required. [0005] In this regard, capacitive touch sensing is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0412G06F3/044G06F2203/04111G02F1/13338G09G3/20G09G2300/0426G09G2354/00G06F3/0416G06F3/0446G06F3/0443G06F3/0448
Inventor 李泰根崔修荣姜寅
Owner LG DISPLAY CO LTD
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