KR102638010B1 - 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스(Pick-and-Place) 장치 - Google Patents
마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스(Pick-and-Place) 장치 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스(Pick-and Place) 장치를 도시하는 도면이다.
도 3은 도 1 장치의 구성을 개략적으로 도시하는 개념도이다.
도 4는 도 3의 변형례를 도시하는 개념도이다.
도 5는 도 3의 또 다른 변형례를 도시하는 개념도이다.
도 6은 본 발명에 따른 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치를 이용한 One-by-one 실장 과정을 도시하는 도면이다.
도 7은 본 발명의 일 실시예에 따른 가압력 측정부의 구성을 도시하는 도면이다.
110: 패드
115: 전도성 접착재료
200: 마이크로 LED 칩
310: 노즐
320: 제 1 영상부
325: 제 2 영상부
330: 이오나이저
340: 압력조절부
350: 이동부
360: 거리측정부
410: 발광부
420: 수광부
Claims (16)
- 마이크로 LED 칩의 상단 면적보다 작은 노즐팁을 가지고 모세관 형태의 노즐;
상기 노즐 내부에 음압을 가하여 상기 마이크로 LED 칩을 상기 노즐팁에 흡착시키는 압력조절부;
상기 노즐팁에 흡착된 마이크로 LED 칩의 위치와 자세를 실시간으로 모니터링하는 영상부;
상기 노즐을 이동시키는 이동부; 및
상기 영상부로부터 영상 정보를 수신하고, 상기 압력조절부 및 상기 이동부를 제어하며 상기 마이크로 LED 칩을 리페어 픽셀에 실장시키는 제어부를 포함하는데,
상기 노즐은 기판을 향하여 경사지게 배치되고,
상기 영상부는 상기 노즐팁의 상부에서 수직 아래 방향으로 상기 노즐팁에 흡착된 마이크로 LED 칩의 영상을 획득하여 xy 평면 상에서의 상기 마이크로 LED 칩의 위치 및 자세를 모니터링하는 제 1 영상부; 및
수평 방향으로 상기 노즐팁에 흡착된 마이크로 LED 칩 영상을 획득하여 z축 방향으로 상기 마이크로 LED 칩의 위치 및 자세를 모니터링하는 제 2 영상부를 포함하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 노즐의 끝단부는 반경이 점차적으로 줄어드는 형태로 형성되는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 노즐은 글래스, 금속튜브, 세라믹, 폴리머 중 어느 하나로 형성되는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 노즐팁은 유연 소재로 코팅되는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 4 항에 있어서,
상기 유연 소재는 PDMS인 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 노즐팁을 세정하는 세정부를 더 포함하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 노즐팁에 정전기를 제거하는 이오나이저를 더 포함하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 삭제
- 삭제
- 제 1 항에 있어서,
경사 배치되는 상기 노즐팁은 xy 평면에 수평하게 가공되는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 노즐은 기판을 향하여 경사지게 배치되되, 상기 노즐의 중간 일부분은 상기 노즐 끝단부가 상기 기판을 향하도록 굴곡된 형태인 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 삭제
- 제 1 항에 있어서,
리페어 픽셀에 상기 마이크로 LED 칩을 실장시키기 위해 상기 노즐로 가압하는 힘을 측정하는 가압력 측정부를 더 포함하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 13 항에 있어서,
상기 가압력 측정부는
상기 노즐의 휘어짐을 측정하여 이를 기초로 가압하는 힘을 측정하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 14 항에 있어서,
상기 가압력 측정부는
상기 노즐을 향하여 빛을 조사하는 발광부;
상기 노즐로부터 반사된 빛을 수신하는 수광부; 및
상기 수광부에서 수신된 빛의 신호를 분석하여 상기 노즐의 휘어짐의 정도를 측정하는 판단부를 포함하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치. - 제 1 항에 있어서,
상기 이동부는
상기 노즐을 공간 상에 이송시키는 이송부; 및
상기 노즐팁에 흡착된 마이크로 LED 칩의 자세를 변경시키기 위해 상기 노즐의 자세를 변경시키거나 이동시키는 자세 변경부를 포함하는 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스 장치.
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KR1020210140991A KR102638010B1 (ko) | 2021-10-21 | 2021-10-21 | 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스(Pick-and-Place) 장치 |
TW111134134A TWI830366B (zh) | 2021-10-21 | 2022-09-08 | 用於微型led顯示器的晶片修復的取放裝置 |
US17/961,411 US20230129644A1 (en) | 2021-10-21 | 2022-10-06 | Pick-and-place apparatus of micro led chip for chip-repairing of micro led display |
CN202211229103.6A CN116013832A (zh) | 2021-10-21 | 2022-10-08 | 用于微型led显示器的芯片修复的取放装置 |
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KR1020210140991A KR102638010B1 (ko) | 2021-10-21 | 2021-10-21 | 마이크로 LED 디스플레이의 칩 리페어를 위한 픽앤플레이스(Pick-and-Place) 장치 |
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JP2019169678A (ja) * | 2018-03-26 | 2019-10-03 | パナソニックIpマネジメント株式会社 | 実装ヘッド及び部品実装装置 |
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US11295972B2 (en) * | 2018-06-12 | 2022-04-05 | Korea Advanced Institute Of Science And Technology | Layout structure between substrate, micro-LED array and micro-vacuum module for micro-LED array transfer using micro-vacuum module, and method for manufacturing micro-LED display using the same |
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KR102624389B1 (ko) * | 2019-11-21 | 2024-01-15 | 참엔지니어링(주) | 마이크로 led 디스플레이 리페어 장치 및 방법 |
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CN113451456A (zh) * | 2021-05-12 | 2021-09-28 | 乙力国际股份有限公司 | 一种微型led芯片与控制基板激光共晶焊接装置及方法 |
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JP2000005679A (ja) * | 1998-06-24 | 2000-01-11 | Shibaura Mechatronics Corp | 塗布装置および電子部品実装装置 |
JP2019169678A (ja) * | 2018-03-26 | 2019-10-03 | パナソニックIpマネジメント株式会社 | 実装ヘッド及び部品実装装置 |
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