KR20090044892A - 표시장치의 제조방법 및 이에 의한 표시장치 - Google Patents
표시장치의 제조방법 및 이에 의한 표시장치 Download PDFInfo
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- KR20090044892A KR20090044892A KR1020070111174A KR20070111174A KR20090044892A KR 20090044892 A KR20090044892 A KR 20090044892A KR 1020070111174 A KR1020070111174 A KR 1020070111174A KR 20070111174 A KR20070111174 A KR 20070111174A KR 20090044892 A KR20090044892 A KR 20090044892A
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Abstract
Description
Claims (24)
- 절연기판 상에 금속 또는 금속산화물 중 적어도 어느 하나를 포함하는 보조층을 형성하는 단계와;상기 보조층 상에 상기 보조층을 부분적으로 노출시키는 감광막 패턴을 형성하는 단계와;노출된 상기 보조층과 노출된 상기 보조층 하부의 절연기판을 식각하여 상기 절연기판에 트렌치를 형성하는 단계와;상기 감광막 패턴 상에 위치하는 제1시드층과 상기 트렌치 상에 위치하는 제2시드층을 포함하는 시드층을 형성하는 단계와;상기 감광막 패턴을 리프트 오프하여 상기 감광막 패턴과 상기 제1시드층을 제거하는 단계와;상기 감광막 패턴 리프트 오프 후에 상기 절연기판 상에 남아있는 상기 보조층을 제거하는 단계와;무전해 도금방법으로 상기 제2시드층 상에 메인 배선층을 형성하는 단계를 포함하는 표시장치의 제조방법.
- 제1항에 있어서,상기 메인 배선층은 실질적으로 상기 트랜치 내에만 형성되는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 보조층의 금속은 몰리브덴, 몰리브덴 합금, 크롬, 구리, 구리합금, 알루미늄, 알루미늄 합금, 은 및 은합금 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 보조층의 금속산화물은 인듐-틴-산화물 및 인듐-아연-산화물 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 보조층의 두께는 50Å 내지 3000Å인 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 시드층은 몰리브덴, 몰리브덴 합금, 크롬, 구리, 구리합금, 구리산화물, 알루미늄, 알루미늄 합금, 은, 은합금, 티타늄 및 티타늄 합금 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 시드층은 하부의 구리산화물층과 상부의 구리층을 포함하며, 상기 메인배선층은 구리를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 제2시드층은 상기 보조층의 제거시 실질적으로 제거되지 않는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 제1시드층과 상기 제2시드층은 서로 분리되어 있는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 시드층 형성 시에 상기 감광막 패턴의 하부에는 언더컷이 형성되어 있는 것을 특징으로 하는 표시장치의 제조방법.
- 제10항에 있어서,상기 절연기판의 식각 후 상기 시드층 형성전에,상기 언더컷을 형성하기 위해 상기 보조층을 추가식각하는 단계를 더 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제11항에 있어서,상기 추가식각은 습식식각으로 수행되는 것을 특징으로 하는 표시장치의 제조방법.
- 제10항에 있어서,상기 언더컷은 상기 보조층 및 상기 절연기판에 모두 형성되어 있는 것을 특징으로 하는 표시장치의 제조방법.
- 제13항에 있어서,상기 보조층에 형성되는 언더컷은 상기 절연기판의 식각과정에서 형성되는 것을 특징으로 하는 표시장치의 제조방법.
- 제14항에 있어서,상기 절연기판의 식각은 습식식각을 통해 수행되는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 메인배선층은 구리와 은 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 메인배선층의 두께는 0.3㎛ 내지 2㎛인 것을 특징으로 하는 표시장치의 제조방법.
- 제1항에 있어서,상기 절연기판은 유리기판을 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 절연기판 상에 금속을 포함하는 보조층을 형성하는 단계와;상기 보조층 상에 감광막 패턴을 형성하는 단계와;상기 감광막 패턴을 마스크로 하여 상기 보조층을 식각하여, 상기 절연기판을 노출시키는 단계와;상기 노출된 절연기판을 식각하여, 상기 절연기판 상에 트랜치를 형성하고 상기 감광막 패턴 하부에 언더컷을 형성하는 단계와;상기 감광막 패턴 상에 위치하는 제1시드층과 상기 트렌치 상에 위치하며 상기 언더컷에 의해 상기 제1시드층과 분리되어 있는 제2시드층을 포함하는 시드층을 형성하는 단계와;상기 감광막 패턴을 리프트 오프하여 상기 감광막 패턴과 상기 제1시드층을 제거하는 단계와;상기 감광막 패턴 리프트 오프 후에 상기 절연기판 상에 위치하는 보조층을 제거하는 단계와;무전해도금방식으로 상기 제2시드층 상에 배선층을 형성하는 단계를 포함하는 표시장치의 제조방법.
- 제19항에 있어서,상기 보조층은 몰리브덴, 몰리브덴 합금, 크롬, 구리, 구리합금, 알루미늄, 알루미늄 합금, 은 및 은합금 중 적어도 어느 하나를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 제19항에 있어서,상기 시드층은 하부의 구리산화물층과 상부의 구리층을 포함하며, 상기 메인 배선층은 구리를 포함하는 것을 특징으로 하는 표시장치의 제조방법.
- 트렌치가 형성되어 있는 절연기판과;상기 트렌치 내에 위치하며, 상기 절연기판과 직접 접촉하는 구리산화물층과 상기 구리산화물층 상에 위치하는 구리층을 포함하는 배선층을 포함하는 표시장치.
- 제22항에 있어서,상기 구리층의 두께는 0.3㎛ 내지 2㎛인 것을 특징으로 하는 표시장치.
- 제22항에 있어서,상기 구리층은 실질적으로 상기 트랜치 내에만 위치하는 것을 특징으로 하는 표시장치.
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US12/198,746 US20090117333A1 (en) | 2007-11-01 | 2008-08-26 | Method of manufacturing display device and display device therefrom |
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KR20140033847A (ko) * | 2012-09-11 | 2014-03-19 | 엘지디스플레이 주식회사 | 저저항 배선 형성방법 및 그를 이용한 박막 트랜지스터 제조방법 |
KR20150033407A (ko) * | 2013-09-24 | 2015-04-01 | 엘지디스플레이 주식회사 | 금속배선 형성 방법 및 이를 적용한 어레이 기판 및 이의 제조방법 |
KR20170107122A (ko) * | 2016-03-14 | 2017-09-25 | 삼성디스플레이 주식회사 | 표시장치의 제조 방법 |
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KR101418588B1 (ko) * | 2007-11-14 | 2014-07-16 | 삼성디스플레이 주식회사 | 표시 기판 및 이의 제조 방법 |
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CN113629076A (zh) * | 2021-08-04 | 2021-11-09 | 武汉华星光电技术有限公司 | 阵列基板及显示面板 |
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KR20140033847A (ko) * | 2012-09-11 | 2014-03-19 | 엘지디스플레이 주식회사 | 저저항 배선 형성방법 및 그를 이용한 박막 트랜지스터 제조방법 |
KR20150033407A (ko) * | 2013-09-24 | 2015-04-01 | 엘지디스플레이 주식회사 | 금속배선 형성 방법 및 이를 적용한 어레이 기판 및 이의 제조방법 |
KR20170107122A (ko) * | 2016-03-14 | 2017-09-25 | 삼성디스플레이 주식회사 | 표시장치의 제조 방법 |
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KR101433613B1 (ko) | 2014-08-27 |
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