KR101543888B1 - 방열성이 우수한 금속 봉지재, 그 제조방법 및 상기 금속 봉지재로 봉지된 유연전자소자 - Google Patents
방열성이 우수한 금속 봉지재, 그 제조방법 및 상기 금속 봉지재로 봉지된 유연전자소자 Download PDFInfo
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- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 8
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- 229910017060 Fe Cr Inorganic materials 0.000 claims description 5
- 229910002544 Fe-Cr Inorganic materials 0.000 claims description 5
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- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 claims description 5
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
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Abstract
본 발명은, 일면에는 금속-그래핀 복합체를 포함하는 열 전도층이, 다른 일면에는 금속-그라파이트 복합체를 포함하는 방열층이 형성되어, 가요성, 내수분성 및 작업성뿐만 아니라, 방열성이 매우 우수한 금속 봉지재를 제공할 수 있다.
Description
Claims (25)
- 가요성을 갖는 방열성이 우수한 금속 봉지재에 있어서,
금속 봉지재;
상기 금속 봉지재의 일면에 형성되며, 주제수지 및 금속-그래핀 복합체를 포함하는 열 전도층; 및
상기 금속 봉지재의 다른 일면에 형성되며, 주제수지 및 금속-그라파이트 복합체를 포함하는 방열층; 을 포함하며,
상기 금속 봉지재는 20 내지 150㎛의 두께를 가지며, Fe-Ni계 합금, Fe-Cr계 합금 및 Fe-Cu계 합금 중 선택된 어느 하나의 합금으로 이루어지는 것인 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 열 전도층은 0.1 내지 5㎛의 두께를 갖는 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 방열층은 1 내지 10㎛의 두께를 갖는 방열성이 우수한 금속 봉지재.
- 삭제
- 삭제
- 제1항에 있어서, 상기 열 전도층 내 금속-그래핀 복합체는 열 전도층 총 중량을 기준으로 0 초과 3 중량부 이하로 포함되는 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 방열층 내 금속-그라파이트 복합체는 방열층 총 중량을 기준으로 0 초과 3 중량부 이하로 포함되는 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 금속-그래핀 복합체는 그래핀에 금속 파우더가 결합되어 형성된 것인 방열성이 우수한 금속 봉지재.
- 제8항에 있어서, 상기 금속 파우더는 그래핀 100 중량부에 대하여, 20 내지 70중량부의 양으로 그래핀에 결합되는 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 금속-그라파이트 복합체는 그라파이트에 금속 파우더가 결합되어 형성된 것인 방열성이 우수한 금속 봉지재.
- 제10항에 있어서, 상기 금속 파우더는 그라파이트 100 중량부에 대하여, 20 내지 70중량부의 양으로 그라파이트에 결합되는 방열성이 우수한 금속 봉지재.
- 제8항 또는 제10항에 있어서, 상기 금속 파우더의 평균 입도는 10 내지 100nm인 방열성이 우수한 금속 봉지재.
- 제8항 또는 제10항에 있어서, 상기 금속 파우더는 알루미늄(Al), 구리(Cu), 은(Ag), 금(Au), 철(Fe), 주석(Sn), 아연(Zn) 및 니켈(Ni)로 이루어진 그룹으로부터 선택된 하나 이상의 금속, 또는 이들의 합금으로 이루어지는 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 열 전도층 내 주제수지는 폴리우레탄 수지, 폴리에틸렌 수지, 폴리스티렌 수지, 폴리프로필렌 수지, 에틸렌비닐아세테이트 수지, 아크릴 수지, 실리콘 수지 및 불소 수지로 이루어진 그룹으로부터 선택된 1종 이상인 방열성이 우수한 금속 봉지재.
- 제1항에 있어서, 상기 방열층 내 주제수지는 폴리우레탄 수지, 폴리에틸렌 수지, 폴리스티렌 수지, 폴리프로필렌 수지, 에틸렌비닐아세테이트 수지, 아크릴 수지, 실리콘 수지 및 불소 수지로 이루어진 그룹으로부터 선택된 1종 이상인 방열성이 우수한 금속 봉지재.
- 가요성을 갖는 방열성이 우수한 금속 봉지재의 제조방법에 있어서,
금속 봉지재를 준비하는 단계;
상기 금속 봉지재의 일면에 주제수지 및 금속-그래핀 복합체를 포함하는 열 전도성 조성물을 도포하여 열 전도층을 형성하는 단계; 및
상기 금속 봉지재의 다른 일면에 주제수지 및 금속-그라파이트 복합체를 포함하는 방열성 조성물을 도포하여 방열층을 형성하는 단계; 를 포함하며,
상기 금속 봉지재는 20 내지 150㎛의 두께를 가지며, Fe-Ni계 합금, Fe-Cr계 합금 및 Fe-Cu계 합금 중 선택된 어느 하나의 합금으로 이루어지는 것인 방열성이 우수한 금속 봉지재의 제조방법.
- 제16항에 있어서, 상기 열 전도성 조성물은, 조성물 총 중량을 기준으로 금속-그래핀 복합체 0 초과 3 중량부 이하; 및 잔부 주제수지를 포함하는 방열성이 우수한 금속 봉지재의 제조방법.
- 제16항에 있어서, 상기 방열성 조성물은, 조성물 총 중량을 기준으로 금속-그라파이트 복합체 0 초과 3 중량부 이하; 및 잔부 주제수지를 포함하는 방열성이 우수한 금속 봉지재의 제조방법.
- 제16항에 있어서, 상기 금속 봉지재는 압연법 또는 전기 주조법에 의해 제조된 것인 방열성이 우수한 금속 봉지재의 제조방법.
- 제16항에 있어서, 상기 열 전도성 조성물 또는 방열성 조성물을 도포하는 공정은 슬롯 다이(slot die)에 의해 수행되는 방열성이 우수한 금속 봉지재의 제조방법.
- 제16항에 있어서, 상기 열 전도층은 0.1 내지 5㎛의 두께를 갖는 방열성이 우수한 금속 봉지재의 제조방법.
- 제16항에 있어서, 상기 방열층은 1 내지 10㎛의 두께를 갖는 방열성이 우수한 금속 봉지재의 제조방법.
- 기판;
상기 기판 상에 배치된 유연전자소자;
상기 유연전자소자의 상부에 적층되는 접착 필름층; 및
상기 접착 필름층의 상부에 적층되어 유연전자소자를 봉지하는 것으로, 청구항 제1항의 금속 봉지재를 포함하며,
상기 금속 봉지재는 열 전도층이 상기 유연전자소자 측을, 방열층이 외부 공기 측을 향하도록 배치되어 접착 필름층의 상부에 적층되는 금속 봉지재에 의해 봉지된 유연전자소자.
- 제23항에 있어서, 상기 접착 필름층은 90 내지 110㎛의 두께를 갖는 유연전자소자.
- 제23항에 있어서, 상기 접착 필름층은 열경화성 수지 또는 광경화성 수지를 포함하는 유연전자소자.
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JP2016541231A JP6440715B2 (ja) | 2013-12-20 | 2014-12-19 | 放熱性に優れた金属封止材、その製造方法、及び上記金属封止材で封止された柔軟電子素子 |
US15/102,847 US10044003B2 (en) | 2013-12-20 | 2014-12-19 | Metal encapsulant having good heat dissipation properties, method of manufacturing same, and flexible electronic device encapsulated in said metal encapsulant |
CN201480069988.5A CN105848882B (zh) | 2013-12-20 | 2014-12-19 | 散热性优异的金属封装材料、其制备方法及用所述金属封装材料来封装的柔性电子器件 |
PCT/KR2014/012606 WO2015093903A1 (ko) | 2013-12-20 | 2014-12-19 | 방열성이 우수한 금속 봉지재, 그 제조방법 및 상기 금속 봉지재로 봉지된 유연전자소자 |
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