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Array substrate for display device

一种显示装置、接触孔的技术，应用在半导体器件、电气元件、电路等方向，能够解决影响双栅极型TFT操作等问题

Active Publication Date: 2015-05-27
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This adversely affects the operation of the double gate type TFT according to the prior art

Method used

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  • Array substrate for display device
  • Array substrate for display device
  • Array substrate for display device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0038] Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

[0039] image 3 is a circuit diagram of a sub-pixel region of an OLED display device according to an example of the present invention.

[0040] Such as image 3 As shown in , the OLED display device includes a configuration / structure C in each pixel region P of a plurality of pixel regions. That is, the OLED display device includes a plurality of image 3 The construction of C. Each configuration C includes an organic light emitting diode E in each pixel region P, a switching thin film transistor (TFT) STr, a driving TFT DTr, and a storage capacitor StgC. All components of an OLED display device or any other type of display device according to the present invention are operatively coupled and configured.

[0041] Gate lines GL along a first direction and data lines DL along a second direction are formed on the...

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PUM

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Abstract

The present invention provides a display device and a dual gate type thin film transistor (TFT) structure for an electronic device. According to an embodiment, the dual gate TFT structure includes a first gate electrode formed on a substrate; a semiconductor layer formed on the first gate electrode; an insulating layer formed on the semiconductor layer, and including first, second and third contact holes therein; drain and source electrodes in contact with the semiconductor layer respectively through the first and second contact holes; a passivation layer formed on the drain electrode and the source electrode, and including a fourth contact hole therein; a planarization layer formed on the passivation layer, and including a fifth contact hole therein; and a second gate electrode formed on the planarization layer, and in electrical contact with the first gate electrode through the third, fourth and fifth contact holes.

Description

[0001] This application claims the benefit of Korean Patent Application No. 10-2013-0143114 filed on Nov. 22, 2013, which is incorporated herein by reference. technical field [0002] The present invention relates to a display device, and more particularly, to an array substrate for a display device having a dual-gate structure and preventing electrical short circuit. Background technique [0003] Recently, as society enters the information age, various display devices that represent all kinds of electrical signals as visual images have been rapidly developed. For example, liquid crystal display (LCD) devices and organic light emitting diode (OLED) display devices have been widely promoted and used instead of cathode ray tube type display devices. [0004] A general LCD device has characteristics of light weight, thinness, and low power consumption. A general OLED display device of a new flat panel display device has high luminance and low driving voltage. The OLED display...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L27/12
CPCH01L29/42384H01L29/78606H01L29/78648H01L27/1244H10K59/1213H01L29/7869H01L29/7831H01L27/1222H10K59/12
Inventor 金廷桓曺基述
Owner LG DISPLAY CO LTD