Invention Grant
- Patent Title: Method of manufacturing printing plate and method of manufacturing liquid crystal display device using the same
- Patent Title (中): 制造印版的方法和使用该印版的液晶显示装置的制造方法
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Application No.: US11479001Application Date: 2006-06-29
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Publication No.: US07704678B2Publication Date: 2010-04-27
- Inventor: Soon Sung Yoo , Oh Nam Kwon
- Applicant: Soon Sung Yoo , Oh Nam Kwon
- Applicant Address: KR Seoul
- Assignee: LG. Display Co., Ltd.
- Current Assignee: LG. Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Brinks Hofer Gilson & Lione
- Priority: KR10-2005-0111227 20051121
- Main IPC: B31D3/00
- IPC: B31D3/00 ; B44C1/22 ; G03F7/26
Abstract:
A method of manufacturing a precise printing plate, and a method of manufacturing an LCD device using the same are disclosed, the method of manufacturing the precise printing plate comprising forming a mask layer of a predetermined pattern on a substrate; etching the substrate with an etchant including an anionic surfactant by using the mask layer of the predetermined pattern, to thereby form a trench; and removing the mask layer.
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