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Display substrate and display device having the same

By forming an insulated and stacked multi-layer signal line structure on the display substrate of the liquid crystal display device, combined with the signal pad, the problem of display quality degradation caused by signal line resistance is solved, and more efficient signal transmission and space utilization are achieved.

Inactive Publication Date: 2008-01-02
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

When the signal lines are directly formed on the display panel, signal delays are generated due to the line resistance of the signal lines, and the signal delays degrade the display quality

Method used

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Embodiment Construction

[0020] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to the Those skilled in the art. It will be understood that when an element is referred to as being on another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being directly on another element, there are no intervening elements present. In the drawings, the thickness of layers, films, panels, regions, etc., may be exaggerated for clarity. Like reference numbers refer to similar or identical elements throughout.

[0021] FIG. 1 is a plan vie...

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Abstract

In a display substrate and a display device having the display substrate for reducing a line resistance, the display substrate includes a plurality of pixel parts, a signal line part and a signal pad part. The pixel parts are formed in a display area. The signal line part is formed in a peripheral area surrounding the display area. The signal line part includes a first line formed with a first conductive layer, and a second line formed with a second conductive layer over the first line. The second line overlaps the first line. The signal pad part includes a first pad integrally formed with the first line, and a second pad integrally formed with the second line, wherein an identical driving signal is applied to the first pad and the second pad. Accordingly, the line resistance of the signal line part may be reduced.

Description

Technical Field [0001] Embodiments of the present invention relate to a display substrate and a display device having the same. More particularly, embodiments of the present invention relate to a display substrate providing reduced line resistance and a display device having the same. Background Art [0002] Generally, a liquid crystal display device includes: a display panel that displays an image by utilizing the light transmittance of liquid crystal; a gate drive circuit and a source drive circuit that are electrically connected to the display panel. The display panel includes a plurality of pixel portions. Each of the pixel portions includes a switching element and a liquid crystal capacitor electrically connected to the switching element. The gate drive circuit outputs a gate signal to turn on the switching element. The source drive circuit outputs a data signal to drive the liquid crystal capacitor. [0003] The gate drive circuit and the source drive circuit formed as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G02F1/1345
CPCG02F1/13458G02F1/136286G02F1/1345G02F2001/13629G02F1/13629
Owner SAMSUNG ELECTRONICS CO LTD
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