KR20070048635A - 싸이클링 led 열 확산기 - Google Patents
싸이클링 led 열 확산기 Download PDFInfo
- Publication number
- KR20070048635A KR20070048635A KR1020060109166A KR20060109166A KR20070048635A KR 20070048635 A KR20070048635 A KR 20070048635A KR 1020060109166 A KR1020060109166 A KR 1020060109166A KR 20060109166 A KR20060109166 A KR 20060109166A KR 20070048635 A KR20070048635 A KR 20070048635A
- Authority
- KR
- South Korea
- Prior art keywords
- graphite
- heat spreader
- electronic device
- light source
- substrate
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/52—Details of telephonic subscriber devices including functional features of a camera
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Carbon And Carbon Compounds (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Stroboscope Apparatuses (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Led Device Packages (AREA)
- Telephone Set Structure (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (13)
- 소형 전자 장치로서,하우징, 및상기 하우징 내에 배열되는 광원 조립체를 포함하며,상기 광원 조립체가,광원을 주기적으로 온 및 오프할 수 있는 성능을 제공하는 전기 회로를 포함하며 제 1 및 제 2 주 표면을 갖춘 기판과,상기 기판의 제 1 주 표면에 인접 위치되고 상기 전기 회로에 연결되는 광 방출 다이오드 광원, 및시이트 형태의 그라파이트를 포함하며, 사이클에서 사이클까지 최대 온도에 서 감지할 만한 상승 없이 적어도 두 개의 사이클 동안 10초 이내에 상기 광원이 주기적으로 온 및 오프될 수 있는 기판의 주 표면과 관련하여 열 전도되는 열 확산기를 포함하는,소형 전자 장치.
- 제 1 항에 있어서,상기 시이트 형태의 그라파이트는 시이트 형태의 박리된 그라파이트의 압축된 입자와 그라파이트화된 폴리머 필름으로 이루어지는 그룹으로부터 선택되는,소형 전자 장치.
- 제 2 항에 있어서,상기 시이트 형태의 박리된 그라파이트의 압축된 입자는 약 0.1mm 내지 약 1.5mm 범위의 두께를 가지는,소형 전자 장치.
- 제 1 항에 있어서,상기 기판은 가요성 기판이며,상기 열 확산기는 상기 회로 조립체를 소형 전자 장치에 설치하는데 도움을 주는 가요성 열 확산기인,소형 전자 장치.
- 제 1 항에 있어서,상기 열 확산기와 열적 결합되게 상기 기판을 통해 연장하는 써멀 비아(thermal via)를 더 포함하며, 상기 써멀 비아에는 LED가 장착되는,소형 전자 장치.
- 제 1 항에 있어서,상기 열 확산기는 상기 광원이 플래쉬 모드에서, 상기 LED와 기판 사이의 연결부에서 약 135℃ 이하의 온도를 유지하면서, 적어도 약 20℃의 주위 온도에서 약 2초 이하의 회복 시간을 갖는 적어도 약 250 ms의 플래쉬 기간으로 작동될 수 있는 크기인,소형 전자 장치.
- 제 1 항에 있어서,상기 시이트 형태의 그라파이트는 약 220 W/mK의 평면 열 전도율을 가지는,소형 전자 장치.
- 제 1 항에 있어서,상기 기판은 폴리머 재료로 형성되는 유전체 층을 갖는 가요성 회로를 포함하는,소형 전자 장치.
- 소형 전자 장치로서,하우징과,상기 하우징 내에 배열되는 카메라, 및상기 카메라에 인접한 하우징 내에 배열되는 광원 조립체를 포함하며,상기 광원 조립체가,기판과,상기 기판의 어느 한 측면에 장착되어서 주기적으로 온 및 오프될 수 있는 광 방출 다이오드 광원, 및상기 기판의 대향 측면에 부착되며, 평면 관통 열 전도율보다 실질적으로 큰 평면 열 전도율을 가지는 그라파이트 열 확산기를 포함하는,소형 전자 장치.
- 제 9 항에 있어서,상기 기판과 열 확산기는 상기 광 방출 다이오드 광원을 상기 장치 내에 설치하는데 도움을 주도록 모두 가요성을 가지는,소형 전자 장치.
- 제 10 항에 있어서,상기 그라파이트 열 확산기는 약 0.1mm 내지 약 1.5mm 범위의 두께를 가지는,소형 전자 장치.
- 제 9 항에 있어서,상기 그라파이트 열 확산기의 평면 열 전도율은 적어도 약 220 W/mK인,소형 전자 장치.
- 제 9 항에 있어서,상기 열 확산기는 상기 광원이 플래쉬 모드에서, 적어도 약 20℃의 주위 온도에서 약 2초 이하의 회복 시간을 갖는 적어도 약 250 ms의 플래쉬 기간으로 작동될 수 있는 크기인,소형 전자 장치.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/267,933 US7889502B1 (en) | 2005-11-04 | 2005-11-04 | Heat spreading circuit assembly |
US11/267,933 | 2005-11-04 | ||
US11/339,338 | 2006-01-25 | ||
US11/339,338 US7303005B2 (en) | 2005-11-04 | 2006-01-25 | Heat spreaders with vias |
US11/466,449 | 2006-08-22 | ||
US11/466,449 US7365988B2 (en) | 2005-11-04 | 2006-08-22 | Cycling LED heat spreader |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070048635A true KR20070048635A (ko) | 2007-05-09 |
KR100892190B1 KR100892190B1 (ko) | 2009-04-07 |
Family
ID=37726649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060109166A KR100892190B1 (ko) | 2005-11-04 | 2006-11-06 | 발광 다이오드 광원을 포함하는 휴대용 전자장치 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7365988B2 (ko) |
EP (1) | EP1784007B1 (ko) |
JP (1) | JP2007227880A (ko) |
KR (1) | KR100892190B1 (ko) |
ES (1) | ES2539274T3 (ko) |
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US7303005B2 (en) * | 2005-11-04 | 2007-12-04 | Graftech International Holdings Inc. | Heat spreaders with vias |
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2006
- 2006-08-22 US US11/466,449 patent/US7365988B2/en not_active Expired - Fee Related
- 2006-11-03 ES ES06123490.2T patent/ES2539274T3/es active Active
- 2006-11-03 EP EP06123490.2A patent/EP1784007B1/en not_active Not-in-force
- 2006-11-06 JP JP2006300549A patent/JP2007227880A/ja active Pending
- 2006-11-06 KR KR1020060109166A patent/KR100892190B1/ko active IP Right Grant
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2008
- 2008-03-10 US US12/045,086 patent/US7573717B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1784007B1 (en) | 2015-03-18 |
JP2007227880A (ja) | 2007-09-06 |
US20080218977A1 (en) | 2008-09-11 |
KR100892190B1 (ko) | 2009-04-07 |
US20070103875A1 (en) | 2007-05-10 |
US7573717B2 (en) | 2009-08-11 |
ES2539274T3 (es) | 2015-06-29 |
EP1784007A2 (en) | 2007-05-09 |
US7365988B2 (en) | 2008-04-29 |
EP1784007A3 (en) | 2009-10-14 |
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