KR102323256B1 - 반도체 발광소자의 자가조립 장치 - Google Patents
반도체 발광소자의 자가조립 장치 Download PDFInfo
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- KR102323256B1 KR102323256B1 KR1020190115574A KR20190115574A KR102323256B1 KR 102323256 B1 KR102323256 B1 KR 102323256B1 KR 1020190115574 A KR1020190115574 A KR 1020190115574A KR 20190115574 A KR20190115574 A KR 20190115574A KR 102323256 B1 KR102323256 B1 KR 102323256B1
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Abstract
Description
도 2는 도 1의 디스플레이 장치의 A 부분의 부분 확대도이다.
도 3은 도 2의 반도체 발광소자의 확대도이다.
도 4는 도 2의 반도체 발광소자의 다른 실시예를 나타내는 확대도이다.
도 5a 내지 도 5e는 전술한 반도체 발광 소자를 제작하는 새로운 공정을 설명하기 위한 개념도들이다.
도 6은 본 발명에 따른 반도체 발광소자의 자가조립 장치의 일 예를 나타내는 개념도이다.
도 7은 도 6의 자가조립 장치의 블록 다이어그램이다.
도 8a 내지 도 8e는 도 6의 자가조립 장치를 이용하여 반도체 발광소자를 자가조립하는 공정을 나타내는 개념도이다.
도 9는 도 8a 내지 도 8e의 반도체 발광소자를 설명하기 위한 개념도이다.
도 10은 본 발명에 따른 자가조립 방법을 나타내는 순서도이다.
도 11은 기판 척의 제1상태를 나타내는 개념도이다.
도 12는 기판 척의 제2상태를 나타내는 개념도이다.
도 13은 기판 척에 구비된 제1프레임의 평면도이다.
도 14는 기판 척에 조립 기판이 로딩된 상태를 나타내는 개념도이다.
도 15는 본 발명의 일 실시 예에 따른 자기장 형성부의 사시도이다.
도 16는 본 발명의 일 실시 예에 따른 자기장 형성부의 일측면도이다.
도 17은 본 발명의 일 실시 예에 있다른 자기장 형성부의 하측면도이다.
도 18은 본 발명에 따른 자기장 형성부에 구비된 자석들의 궤적을 나타내는 개념도이다.
도 19는 반도체 발광소자를 공급하는 모습을 나타내는 개념도이다.
도 20은 본 발명의 일 실시 예에 따른 조립 챔버의 평면도이다.
도 21은 도 20의 라인 A-A'를 따라 취한 단면도이다.
도 22 및 23은 본 발명의 일 실시 예에 따른 조립 챔버에 구비된 게이트의 움직임을 나타내는 개념도이다.
도 24는 자가조립시 발생되는 기판 휨 현상을 나타내는 개념도이다.
도 25는 기판의 휨 현상을 보정하기 위한 방법을 나타내는 개념도이다.
Claims (15)
- 유체를 수용하는 공간을 구비하는 조립 챔버;
상기 유체에 분산된 반도체 발광소자들에 자기력을 인가하는 복수의 자석들 및 상기 반도체 발광소자들이 유체 내에서 이동하도록 상기 자석들의 위치를 변화시키는 수평 이동부를 구비하는 자기장 형성부; 및
조립 전극을 구비하는 기판을 지지하도록 이루어지는 기판 지지부, 상기 기판을 지지한 상태에서 상기 기판의 일면이 유체와 접촉하도록 상기 기판을 하강시키는 수직 이동부 및 상기 반도체 발광소자들이 상기 자석들의 위치변화에 의하여 이동하는 과정에서 상기 기판의 기설정된 위치에 안착되도록, 상기 조립 전극에 전원을 인가하여 전기장을 발생시키는 전극 연결부을 구비하는 기판 척을 포함하고,
상기 기판 지지부는, 홀이 형성되어 있으며, 상기 기판을 사이에 두고 양측에 배치되는 제1 및 제2 프레임을 구비하고,
상기 전극 연결부는, 상기 제1 프레임 상에 배치되는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제1항에 있어서,
상기 기판 척은 상기 기판의 조립면이 상기 유체에 잠기도록, 상기 기판을 상기 유체로 하강시키는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제2항에 있어서,
상기 제1 및 제2프레임 각각에 형성된 홀은 상기 기판의 조립면과 오버랩되도록 배치되며,
상기 제1 및 제2프레임 중 적어도 하나가 상기 기판을 가압하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제3항에 있어서,
상기 기판 척은,
상기 제1프레임이 상기 기판 하측에 배치된 상태에서 상기 기판을 하강시키는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제4항에 있어서,
상기 제1프레임은,
상기 홀의 테두리에 배치되는 실링부를 구비하고,
상기 실링부는 상기 제1 및 제2프레임 중 적어도 하나가 상기 기판을 가압함에 따라, 상기 기판을 가압하도록 배치되는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제5항에 있어서,
상기 전극 연결부는,
상기 실링부와 비교할 때, 상기 제1프레임에 형성된 홀보다 먼 거리에 배치되는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제4항에 있어서,
상기 제1프레임은,
상기 홀이 형성되는 바닥부; 및
상기 바닥부의 테두리에 형성되는 측벽부를 구비하고,
상기 측벽부의 높이는 상기 기판이 유체에 잠기는 깊이보다 큰 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제2항에 있어서,
상기 자기장 형성부는 상기 조립면의 반대 방향에 배치되며,
상기 자기장 형성부에 구비된 수평 이동부는 상기 조립면이 유체에 잠긴 상태에서 상기 기판에 대하여 수평 이동을 하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제8항에 있어서,
상기 자기장 형성부에 구비된 수평 이동부는 상기 자석들을 회전시키는 회전부를 포함하고,
상기 회전부는 상기 자석들이 일방향을 따라 이동하는 중 상기 자석들을 회전 시키는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제1항에 있어서,
상기 조립 챔버는,
동일한 유체가 수용되는 조립 영역 및 검사 영역; 및
상기 조립 영역 및 상기 검사 영역 사이에 배치되는 게이트를 구비하고,
상기 게이트는,
상기 조립 영역 및 상기 검사 영역 각각에 수용된 유체를 서로 격리시키는 제1상태 및 상기 제1상태에서 소정 거리 하강된 제2상태 중 어느 하나에서 다른 하나로 전환되도록 수직 이동을 수행하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제10항에 있어서,
상기 반도체 발광소자들이 상기 기판의 기설정된 위치에 안착되는 중 상기 게이트는 제1상태를 유지하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제10항에 있어서,
상기 기판 척은 상기 조립 영역에 배치된 기판에 복수의 반도체 발광소자들이 안착된 후, 상기 기판을 상기 검사 영역을 이송시키고,
상기 기판이 상기 유체에 잠긴 상태로 상기 검사 영역으로 이송되도록, 상기 기판이 상기 조립 영역과 상기 검사 영역의 경계를 지나는 중 상기 게이트는 제2상태를 유지하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제1항에 있어서,
상기 기판의 표면을 친수화시키는 기판 표면 처리부를 더 포함하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제1항에 있어서,
복수의 반도체 발광소자들을 수용하는 칩 수용부; 및
상기 칩 수용부를 수직 및 수평 이동 시키는 수직 및 수평 이동부를 구비하는 칩 공급부를 더 포함하고,
상기 칩 공급부는,
상기 자기장 형성부가 상기 기판에 소정 거리 이내로 인접한 상태에서, 상기 칩 수용부에 수용된 반도체 발광소자들이 상기 기판 표면에 분산되도록, 상기 기판에 대한 수직 및 수평이동을 반복하는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치. - 제14항에 있어서,
상기 칩 공급부는 상기 조립 챔버 내부에 배치되며,
상기 유체 내에서 이동 가능하도록 이루어지는 것을 특징으로 하는 반도체 발광소자의 자가조립 장치.
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EP20866298.1A EP4071788A4 (en) | 2019-09-19 | 2020-02-13 | Chip tray for self-assembly and method for supplying semiconductor light emitting diode |
US17/761,839 US12211951B2 (en) | 2019-09-19 | 2020-02-13 | Assembly chamber for self-assembly of semiconductor light-emitting diodes |
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PCT/KR2020/002020 WO2021054547A1 (ko) | 2019-09-19 | 2020-02-13 | 자가 조립용 칩 트레이 및 반도체 발광소자의 공급 방법 |
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PCT/KR2020/004879 WO2020117032A2 (ko) | 2019-09-19 | 2020-04-10 | 반도체 발광소자의 자가조립용 기판 척 |
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EP20170778.3A EP3796378B1 (en) | 2019-09-19 | 2020-04-22 | Device for self-assembling semiconductor light-emitting diodes |
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EP20170805.4A EP3796382B1 (en) | 2019-09-19 | 2020-04-22 | Device for self-assembling semiconductor light-emitting diodes |
EP20170790.8A EP3796380B1 (en) | 2019-09-19 | 2020-04-22 | Device for self-assembling semiconductor light-emitting diodes |
EP20170791.6A EP3796381B1 (en) | 2019-09-19 | 2020-04-22 | Device and method for self-assembling semiconductor light-emitting diodes |
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WO2021054549A1 (en) | 2021-03-25 |
US20220139747A1 (en) | 2022-05-05 |
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US20210090924A1 (en) | 2021-03-25 |
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