KR20110100933A - 몰디드 리드리스 패키지 및 이를 이용한 led 패키지 - Google Patents
몰디드 리드리스 패키지 및 이를 이용한 led 패키지 Download PDFInfo
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- KR20110100933A KR20110100933A KR1020100020030A KR20100020030A KR20110100933A KR 20110100933 A KR20110100933 A KR 20110100933A KR 1020100020030 A KR1020100020030 A KR 1020100020030A KR 20100020030 A KR20100020030 A KR 20100020030A KR 20110100933 A KR20110100933 A KR 20110100933A
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- die pad
- package
- lead
- semiconductor chip
- package body
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Abstract
Description
도 2는 시스템 보더 상에 도 1의 MLP가 실장되어 있는 시스템 패키지에 대한 개략적인 단면도이다.
도 3은 본 발명의 제1 실시예에 따른 몰디드 리드리스 패키지(MLP)의 저면도이다.
도 4a 및 도 4b는 도 3에 도시된 MLP의 A-A'선을 따라 절단하여 나타내 보인 단면도들이다.
도 5는 본 발명의 제2 실시예에 따른 몰디드 리드리스 패키지(MLP)의 단면도이다.
도 6a 내지 도 6e는 본 발명의 제3 실시예에 따른 몰디드 리드리스 패키지(MLP)의 단면도들이다.
도 7은 본 발명의 제4 실시예에 따른 몰디드 리드리스 패키지(MLP)의 저면도이다.
도 8은 도 7의 B-B'선을 자른 단면도이다.
도 9는 본 발명의 제5 실시예에 따른 몰디드 리드리스 패키지(MLP)의 저면도이고, 도 10은 도 9의 C-C'선을 자른 단면도이다.
도 11은 본 발명의 MLP를 적용한 듀얼 패키지(dual package)의 저면도이고, 도 12a 및 도 12b는 도 11의 D-D'선 및 E-E'선을 각각 다른 단면도들이다.
도 13a 및 도 13b는 본 발명의 MLP 구조를 적용한 LED 패키지의 평면도들이고, 도 14는 도 13b의 F-F'선을 자른 단면도이다.
Claims (19)
- 상호 반대되는 상부 표면 및 하부 표면을 갖는 다이 패드;
상기 다이 패드의 상부 표면 상에 실장된 반도체 칩;
상기 다이 패드의 주변 영역에 상기 다이 패드와 일정 간격 이격되도록 배치된 다수의 리드;
상기 반도체 칩과 상기 다수의 리드 각각을 전기적으로 연결하는 연결 수단; 및
적어도 상기 리드의 밑면의 일부 및 상기 다이 패드의 일부를 노출하며 상기 다이 패드, 상기 반도체 칩, 상기 리드 및 상기 연결 수단을 덮는 패키지 바디를 포함하며,
상기 다이 패드의 두께가 상기 리드 중 패키지 바디의 외부로 노출되는 외부 리드보다 두꺼운 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 다이 패드의 두께는 0.25 ∼ 0.6mm인 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 리드 중 패키지 바디의 외부로 노출되지 않는 내부 리드 영역은 상기 다이 패드와 같은 두께를 갖는 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 다이 패드의 상부 표면이 일정 깊이 리세스되고,
상기 반도체 칩은 다이 패드의 리세스된 영역에 실장된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 다이 패드의 하부 표면 또는 상기 리드의 밑면에는, 패키지 바디와의 접착력을 좋게 하기 위하여 적어도 하나의 딤플(dimple) 또는 그루브(groove)가 형성된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 다이 패드의 하부 표면과 상기 리드의 밑면은 동일한 평면을 형성하며, 상기 패키지 바디의 밑면은 상기 평면으로부터 일정 두께 돌출된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 패키지 바디의 측면은 경사를 이루거나, 상기 패키지 바디의 밑면에 대해 수직한 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 리드는 다이 패드의 양 측에 대응되게 배치된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제8항에 있어서,
상기 다이 패드의 일 측에 배치된 리드는 상기 다이 패드와 일정 간격 이격되도록 배치되고,
상기 다이 패드의 다른 일 측의 리드는 상기 다이 패드와 연결된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 리드는 다이 패드의 일 측에만 일정 간격 이격되게 배치되고,
리드가 배치되지 않은 다이 패드의 일 측은 상기 다이 패드가 신장되어 그 일부가 패키지 외부로 노출된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 다이 패드의 상 부 표면 또는 하부 표면 중 적어도 어느 하나에,
상기 반도체 칩 또는 패키지 바디와의 접착력을 좋게 하기 위하여 적어도 하나 이상의 홈이 형성된 것을 특징으로 하는 몰디드 리드리스 패키지. - 제1항에 있어서,
상기 연결 수단은 도전성 와이어 도는 도전성 클립을 포함하는 것을 특징으로 하는 몰디드 리드리스 패키지. - 상호 반대되는 상부 표면 및 하부 표면을 갖는 다이 패드;
상기 다이 패드의 상부 표면 상에 부착되는 반도체 칩;
상기 반도체 칩의 상부 또는 하부 표면 중 적어도 어느 하나에 형성된 솔더 물질층;
상기 다이 패드의 주변 영역에 상기 다이 패드와 일정 간격 이격되도록 배치된 다수의 리드;
상기 반도체 칩과 상기 다수의 리드 각각을 전기적으로 연결하는 도전성 클립; 및
적어도 상기 리드의 밑면의 일부 및 상기 다이 패드의 일부를 노출하며 상기 다이 패드, 상기 반도체 칩, 상기 리드 및 상기 연결 수단을 덮는 패키지 바디를 포함하는 것을 특징으로 하는 몰디드 리드리스 패키지. - 제13항에 있어서,
상기 솔더 물질층은 주석/은/구리(Sn/Ag/Cu) 합금, 주석(Sn), 주석/납(Sn/Pb) 합금, 주석/은(Sn/Ag) 합금 및 니켈(Ni) 중에서 선택된 어느 하나로 이루어진 것을 특징으로 하는 몰디드 리드리스 패키지. - 제13항에 있어서,
상기 솔더 물질층은 웨이퍼 표면 상에 스퍼터링 또는 전기도금 방식으로 형성된 층인 것을 특징으로 하는 몰디드 리드리스 패키지. - 제13항에 있어서,
상기 리드의 윗면에는 일정 깊이의 홈이 배치되고,
상기 도전성 클립의 일단은 상기 홈 내에 부착된 것을 특징으로 하는 몰디드 리드리스 패키지. - 다이 패드와, 상기 다이 패드로부터 일정 간격 이격되도록 배치된 다수의 리드;
상기 다이 패드의 상부 표면에 실장된 LED 소자;
상기 LED 소자와 상기 다수의 리드 각각을 전기적으로 연결하는 연결 수단;
상기 다이 패드의 상부 표면 및 리드의 상부 표면으로부터 상기 LED 소자를 포함하는 영역에 일정 두께 형성된 캐비티;
상기 캐비티 내에 충진되어 상기 LED 소자를 고정시키는 몰딩재;
일면이 상기 몰딩재의 상부에 부착되며 하면이 볼록한 형태의 렌즈; 및
적어도 상기 리드의 밑면의 일부 및 상기 다이 패드의 일부를 노출하며 상기 다이 패드와 상기 캐비티에 충진된 몰딩재를 덮는 패키지 바디를 포함하는 것을 특징으로 하는 LED 패키지. - 제17항에 있어서,
상기 몰딩재는 형광물질을 포함하는 것을 특징으로 하는 LED 패키지. - 제17항에 있어서,
상기 연결 수단은 도전성 와이어(wire) 또는 도전성 클립을 포함하는 것을 특징으로 하는 LED 패키지.
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WO2016043469A1 (ko) * | 2014-09-18 | 2016-03-24 | 제엠제코(주) | 클립 구조체를 이용한 반도체 패키지 |
KR20170120017A (ko) * | 2016-04-20 | 2017-10-30 | 앰코 테크놀로지 인코포레이티드 | 도전성 인터커넥션 프레임 및 구조를 구비한 반도체 패키지 제조 방법 |
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JP2006049694A (ja) | 2004-08-06 | 2006-02-16 | Freescale Semiconductor Inc | 二重ゲージ・リードフレーム |
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US9397278B2 (en) | 2014-03-05 | 2016-07-19 | Lumens Co., Ltd. | Light emitting device package, backlight unit, lighting device and its manufacturing method |
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KR20190101819A (ko) * | 2018-02-23 | 2019-09-02 | 해성디에스 주식회사 | 리드 프레임 및 리드 프레임의 제조방법 |
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