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Pad printing plate for offset printing and preparation method thereof

A pad printing plate and offset printing technology, which is applied in the field of pad printing plates for offset printing and its preparation, can solve the problems of blanket contact, uneven substrate, etc., and achieves the effects of easy reproduction, low cost, and reduced failure rate

Active Publication Date: 2018-07-13
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the case of performing the printing process using the pad printing plate as described above, there is a problem that the blanket is likely to contact the bottom of the pattern of the pad printing plate, and it is easily affected by unevenness of the substrate.

Method used

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  • Pad printing plate for offset printing and preparation method thereof
  • Pad printing plate for offset printing and preparation method thereof
  • Pad printing plate for offset printing and preparation method thereof

Examples

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Embodiment Construction

[0031] In the present invention, when a certain component is said to be “on top of” another component, it not only includes the situation that a certain component is in contact with another component, but also includes the situation that there are other components between the two components.

[0032] In the present invention, when it is said that a certain component is "included" in a certain part, it means that other components may also be included unless otherwise specified.

[0033] The description will be further described in detail below.

[0034] One embodiment of this specification provides a pad printing plate for offset printing, which includes grooves and protrusions, the grooves include fine pattern lines, and the distance between the fine pattern lines satisfies the following formula 1. The depth of the fine pattern lines is not less than 1 μm and not more than 5 μm, and the line width of the fine pattern lines is not less than 0.5 μm and not more than 2 μm.

[00...

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PUM

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Abstract

A cliche for off set printing and a method for preparing the same are provided.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority of No. 10-2014-0169920 filed with the Korean Patent Office on December 1, 2014, the contents disclosed in the Korean patent application documents are incorporated herein by reference. technical field [0003] The invention relates to a pad printing plate for offset printing and a preparation method thereof. Background technique [0004] In the manufacturing process of a flat panel display (FPD) such as a liquid crystal display (LCD) or a plasma display panel (PDP), electrodes, black matrices, color filters, spacers are required , thin film transistors and other different types of patterning processes. [0005] Among these pattern forming processes, the method of using photoresist and photomask to obtain selectively removed photoresist pattern through exposure and development, and using it to form a pattern is often used. These photomask processes have the problems of needing to us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F13/193B41F17/00
CPCH01L21/0274
Inventor 成知玹金萨拉李东炫李承宪黄智泳
Owner LG CHEM LTD