KR101522459B1 - 발광소자패키지와 인쇄회로기판의 접합부 방열특성 개선 방법 - Google Patents
발광소자패키지와 인쇄회로기판의 접합부 방열특성 개선 방법 Download PDFInfo
- Publication number
- KR101522459B1 KR101522459B1 KR1020130080453A KR20130080453A KR101522459B1 KR 101522459 B1 KR101522459 B1 KR 101522459B1 KR 1020130080453 A KR1020130080453 A KR 1020130080453A KR 20130080453 A KR20130080453 A KR 20130080453A KR 101522459 B1 KR101522459 B1 KR 101522459B1
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- South Korea
- Prior art keywords
- led package
- led
- pcb
- metal layer
- package
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 10
- 230000005855 radiation Effects 0.000 title 1
- 230000003746 surface roughness Effects 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 3
- 239000000654 additive Substances 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 15
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000002482 conductive additive Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/858—Means for heat extraction or cooling
- H10H20/8582—Means for heat extraction or cooling characterised by their shape
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/858—Means for heat extraction or cooling
- H10H20/8583—Means for heat extraction or cooling not being in contact with the bodies
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
도 2는 본 발명에서 제안하는 표면 거칠기 구조가 적용된 접합 부분의 확대 단면도를 나타낸다.
120 : 봉지재 130 : 반사컵
150 : 리드 프레임
200 : 금속층 210 : 절연층
220 : 전극층
300 : 표면 거칠기 효과 310 : 고분자 접착제
320 : 첨가제 입자
Claims (5)
- 발광소자 모듈에 있어서,
LED 패키지;
상기 LED 패키지의 하단에 배치되고, 상기 LED 패키지와 접합된 PCB 모듈; 및
상기 LED 패키지와 PCB 모듈의 접합을 위해 사용되는 접착제
를 포함하고,
상기 LED 패키지는
LED칩, 상기 LED칩 하단에 배치되는 반사컵 및 상기 LED 패키지 내부의 열 전달을 위하여 상기 반사컵 하단에 배치되는 Heatslug를 포함하며,
상기 PCB 모듈은
최하부에 배치되고, 방열을 위한 금속층, 상기 금속층의 상단에 배치되는 절연층 및 상기 절연층의 상단에 배치되는 전극층을 포함하고,
상기 LED 패키지에 포함되는 상기 Heatslug의 하부와 상기 PCB 모듈에 포함된 금속층은 서로 접합하여 접합부를 형성하며,
상기 LED 패키지에 포함되는 상기 Heatslug의 하부와 상기 PCB 모듈에 포함된 금속층에 의하여 형성되는 접합부에는 표면 거칠기 효과가 적용되고,
상기 LED 패키지에 포함되는 상기 Heatslug의 하부와 상기 PCB 모듈에 포함된 금속층에 의하여 형성되는 접합부의 폭은 상기 Heatslug의 상부면의 폭보다 좁으며,
상기 접착제는
고분자 화합물과 첨가제를 교반하여 만들어지고,
상기 첨가제의 물질은
Diamond, Au, Cu, Al 및 Ni 중 어느 하나를 포함하고,
상기 첨가제(Filler)의 입자들은 상기 표면 거칠기 효과에 대응하는 패턴에 따라 정렬되고, 상기 정렬을 통하여 쌓인 입자들은 상기 LED 패키지의 Heatslug에서부터 상기 PCB 모듈의 금속층까지의 열 전달 경로를 형성하는 특징으로 하는 발광소자 모듈. - 삭제
- 제 1항에 있어서,
열 전달 특성을 향상시키기 위하여 상기 첨가제의 크기는 0.5~15 마이크론 미터 범위에 속하는 발광소자 모듈. - 제1항에 있어서,
상기 표면 거칠기의 크기는 첨가제의 입자 크기에 비례하며, 0.5~15 마이크론 미터 이내의 크기를 높이와 폭으로 갖고, 무작위적이거나 규칙적인 구조를 갖는 발광소자 모듈. - 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020130080453A KR101522459B1 (ko) | 2013-07-09 | 2013-07-09 | 발광소자패키지와 인쇄회로기판의 접합부 방열특성 개선 방법 |
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KR1020130080453A KR101522459B1 (ko) | 2013-07-09 | 2013-07-09 | 발광소자패키지와 인쇄회로기판의 접합부 방열특성 개선 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20150006688A KR20150006688A (ko) | 2015-01-19 |
KR101522459B1 true KR101522459B1 (ko) | 2015-05-28 |
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KR1020130080453A KR101522459B1 (ko) | 2013-07-09 | 2013-07-09 | 발광소자패키지와 인쇄회로기판의 접합부 방열특성 개선 방법 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004335944A (ja) * | 2003-05-12 | 2004-11-25 | Matsushita Electric Ind Co Ltd | 半導体素子の接続方法および半導体装置 |
KR101195569B1 (ko) * | 2010-11-08 | 2012-10-29 | 유버 주식회사 | 발광소자 탑재용 기판 및 이의 제조방법 |
KR20130027611A (ko) * | 2011-05-18 | 2013-03-18 | 삼성전자주식회사 | Led 모듈 및 이를 포함하는 백라이트 유닛, led 모듈의 제조방법 |
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2013
- 2013-07-09 KR KR1020130080453A patent/KR101522459B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004335944A (ja) * | 2003-05-12 | 2004-11-25 | Matsushita Electric Ind Co Ltd | 半導体素子の接続方法および半導体装置 |
KR101195569B1 (ko) * | 2010-11-08 | 2012-10-29 | 유버 주식회사 | 발광소자 탑재용 기판 및 이의 제조방법 |
KR20130027611A (ko) * | 2011-05-18 | 2013-03-18 | 삼성전자주식회사 | Led 모듈 및 이를 포함하는 백라이트 유닛, led 모듈의 제조방법 |
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