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touch panel

A touch panel and substrate technology, applied in instruments, computing, electrical and digital data processing, etc., can solve the problems of wire electrode breakage, wire electrode reliability deterioration, wire electrode damage, etc., and achieve the effect of improving reliability

Active Publication Date: 2019-07-12
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, due to the step difference, the wire electrode may break or the reliability of the wire electrode may deteriorate
[0006] In addition, if the wire electrode is directly formed on the printed layer, the wire electrode may be damaged due to the high surface roughness of the printed layer when the wire electrode is formed.

Method used

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Embodiment Construction

[0027] In the following description of the embodiments of the present invention, it will be understood that when a layer (or film), region, pattern or structure is referred to as being on another layer (or film), another region, another pad or another pattern When "on" or "under", it may be "directly" or "indirectly" on another substrate, layer (or film), region, pad or pattern, or one or more intervening layers may also be present. Such positions of the layers have been described with reference to the drawings.

[0028] The thickness and size of each layer (film), region, pattern or structure shown in the drawings may be exaggerated, omitted or schematically drawn for the purpose of convenience or clarity. Also, these dimensions do not entirely reflect actual dimensions.

[0029] In the following description of the embodiments of the present invention, it will be understood that when a layer (or film), region, pattern or structure is referred to as being on another layer (or...

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PUM

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Abstract

The invention discloses a touch panel, which comprises: a cover substrate having an active area and a passive area; a printing layer arranged on the passive area and forming a step difference with the cover substrate; and a printing layer arranged on the printing layer Insulation. The insulating layer has an average surface roughness in the range of 0.2 μm to 0.4 μm.

Description

technical field [0001] Embodiments of the present invention relate to touch panels. Background technique [0002] Recently, a touch panel that performs an input function by touching an image displayed on the touch device with an input device such as a stylus pen or a finger has been applied to various electronic applications. [0003] Various types of touch panels may be provided according to positions of transparent electrodes formed in the touch panel. For example, a transparent electrode may be directly formed on the cover substrate. [0004] In this case, a printed layer is formed in a bezel area where no touch is sensed, and a wired electrode is formed on the printed layer. The wire electrodes may be connected to the sensing electrodes to sense a touch through a pad part. [0005] In this case, since at least two printing layers are formed, a step difference may be formed between the printing layers or between the printing layer and the cover window. The wire electr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041
CPCG06F3/03547G06F3/0412G06F2203/04103G06F2203/04111G06F3/0445
Inventor 金秉燮
Owner LG INNOTEK CO LTD