Invention Grant
- Patent Title: Manufacturing method of electro line for liquid crystal display device
- Patent Title (中): 液晶显示装置电线制造方法
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Application No.: US12382422Application Date: 2009-03-16
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Publication No.: US07704767B2Publication Date: 2010-04-27
- Inventor: Oh-Nam Kwon , Kyoung-Mook Lee , Heung-Lyul Cho , Seung-Hee Nam , Cyoo-Chul Jo
- Applicant: Oh-Nam Kwon , Kyoung-Mook Lee , Heung-Lyul Cho , Seung-Hee Nam , Cyoo-Chul Jo
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: McKenna Long & Aldridge LLP
- Priority: KR10-2001-0078557 20011212; KR10-2001-0078558 20011212
- Main IPC: H01L21/84
- IPC: H01L21/84

Abstract:
A manufacturing method of an electro line for a liquid crystal display device includes depositing a barrier layer made of a conducting material on a substrate, depositing a copper layer (Cu) on the barrier layer, wet-etching the Cu layer using a first etchant, and dry-etching the barrier layer using a second etchant using the wet-etched Cu layer as an etch mask.
Public/Granted literature
- US20090233388A1 Manufacturing method of electro line for liquid crystal display device Public/Granted day:2009-09-17
Information query
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