JP2012169432A - チップled - Google Patents
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- JP2012169432A JP2012169432A JP2011028733A JP2011028733A JP2012169432A JP 2012169432 A JP2012169432 A JP 2012169432A JP 2011028733 A JP2011028733 A JP 2011028733A JP 2011028733 A JP2011028733 A JP 2011028733A JP 2012169432 A JP2012169432 A JP 2012169432A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 6
- 239000003822 epoxy resin Substances 0.000 claims description 18
- 229920000647 polyepoxide Polymers 0.000 claims description 18
- 229920002050 silicone resin Polymers 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 238000005476 soldering Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 32
- 239000011889 copper foil Substances 0.000 description 19
- 238000007747 plating Methods 0.000 description 18
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 239000010949 copper Substances 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 13
- 239000004593 Epoxy Substances 0.000 description 11
- 239000011521 glass Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 10
- 238000005286 illumination Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002845 discoloration Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910004349 Ti-Al Inorganic materials 0.000 description 1
- 229910004692 Ti—Al Inorganic materials 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/641—Heat extraction or cooling elements characterized by the materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49113—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting different bonding areas on the semiconductor or solid-state body to a common bonding area outside the body, e.g. converging wires
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
Abstract
【解決手段】少なくとも1個以上の半導体チップが搭載されたチップLEDにおいて、
前記半導体チップのうち少なくとも1個は発光素子であり、
裏面に裏面金属層を備えている実装基板に表面側から前記裏面側に向けて凹部が形成されていると共に、当該凹部の底面および内壁面に金属層が形成されており、
前記発光素子は前記凹部の底面に形成されている前記金属層にダイボンドされていると共に、前記実装基板の表面に形成されている配線パターンにワイヤボンドされ、
前記凹部の底面に形成されている金属層は前記実装基板の裏面に形成されている裏面金属層と電気的に導通していて、前記裏面金属層が、前記発光素子で発生した熱が放熱される放熱経路を構成することを特徴とするチップLED。
【選択図】図3
Description
少なくとも1個以上の半導体チップが搭載されたチップLEDにおいて、
前記半導体チップのうち少なくとも1個は発光素子であり、
裏面に裏面金属層を備えている実装基板に表面側から前記裏面側に向けて凹部が形成されていると共に、当該凹部の底面および内壁面に金属層が形成されており、
前記発光素子は前記凹部の底面に形成されている前記金属層にダイボンドされていると共に、前記実装基板の表面に形成されている配線パターンにワイヤボンドされ、
前記凹部の底面に形成されている金属層は前記実装基板の裏面に形成されている裏面金属層と電気的に導通していて、前記裏面金属層が、前記発光素子で発生した熱が放熱される放熱経路を構成することを特徴とするチップLED
である。
前記凹部の深さが前記発光素子の厚さより大きい
ことを特徴とする請求項1記載のチップLED
である。
蛍光体を含むシリコーン樹脂で前記凹部を埋め、その外部をエポキシ樹脂で覆った
ことを特徴とする請求項1又は2記載のチップLED
である。
請求項1〜3のいずれか一項記載のチップLEDをハンダ付けによってメタル基板に搭載する際に、前記裏面金属層が当該メタル基板のメタル部に同時にハンダ付けされていることを特徴とするLEDモジュール
である。
a点とb点の温度差={0.6×10−3/(36×10−6×1.5×10−3)}×1/398=27.9℃
本発明のチップLEDは、従来と同様、熱は銅箔(配線パターン9)を通して流れる。裏面金属層6を形成する銅箔の厚みが18μm、追加したメッキ厚が18μmとした場合、全体の銅箔の厚さは従来と同様に36μmになる。
周囲温度が25℃とすると従来品はLEDチップの温度は97.7+25=122.7℃、本発明の構造は25+0.36=約26℃となる。
白色LEDは青色発光素子を、蛍光体を含む樹脂で覆い白色を出しているのが一般的である(参考:特許文献2)。
2 実装基板
3 凹部
4 凹部の底面
5 金属層
6 裏面金属層
7 シリコーン樹脂
8 エポキシ樹脂
9 配線パターン
10 金線
11 スルーホール
12 回路基板
13 銅箔
14 基板材
15 凹部の傾斜している内壁面
18 メタル基板
19 ハンダ
Claims (4)
- 少なくとも1個以上の半導体チップが搭載されたチップLEDにおいて、
前記半導体チップのうち少なくとも1個は発光素子であり、
裏面に裏面金属層を備えている実装基板に表面側から前記裏面側に向けて凹部が形成されていると共に、当該凹部の底面および内壁面に金属層が形成されており、
前記発光素子は前記凹部の底面に形成されている前記金属層にダイボンドされていると共に、前記実装基板の表面に形成されている配線パターンにワイヤボンドされ、
前記凹部の底面に形成されている金属層は前記実装基板の裏面に形成されている裏面金属層と電気的に導通していて、前記裏面金属層が、前記発光素子で発生した熱が放熱される放熱経路を構成することを特徴とするチップLED。 - 前記凹部の深さが前記発光素子の厚さより大きい
ことを特徴とする請求項1記載のチップLED。 - 蛍光体を含むシリコーン樹脂で前記凹部を埋め、その外部をエポキシ樹脂で覆った
ことを特徴とする請求項1又は2記載のチップLED。 - 請求項1〜3のいずれか一項記載のチップLEDをハンダ付けによってメタル基板に搭載する際に、前記裏面金属層が当該メタル基板のメタル部に同時にハンダ付けされていることを特徴とするLEDモジュール。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011028733A JP4870233B1 (ja) | 2011-02-14 | 2011-02-14 | チップled |
US13/396,194 US20120217526A1 (en) | 2011-02-14 | 2012-02-14 | Chip led |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011028733A JP4870233B1 (ja) | 2011-02-14 | 2011-02-14 | チップled |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4870233B1 JP4870233B1 (ja) | 2012-02-08 |
JP2012169432A true JP2012169432A (ja) | 2012-09-06 |
Family
ID=45781899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011028733A Active JP4870233B1 (ja) | 2011-02-14 | 2011-02-14 | チップled |
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US (1) | US20120217526A1 (ja) |
JP (1) | JP4870233B1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3180453U (ja) * | 2012-05-24 | 2012-12-20 | 盈勝科技股▲ふん▼有限公司 | 多層式構造を具える一体化高効率照明装置 |
JP2015185661A (ja) * | 2014-03-24 | 2015-10-22 | スタンレー電気株式会社 | 半導体装置 |
JP2015207754A (ja) * | 2013-12-13 | 2015-11-19 | 日亜化学工業株式会社 | 発光装置 |
JP2017069458A (ja) * | 2015-09-30 | 2017-04-06 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP2017076640A (ja) * | 2015-10-13 | 2017-04-20 | ローム株式会社 | 光半導体装置の製造方法および光半導体装置 |
WO2019054447A1 (ja) * | 2017-09-14 | 2019-03-21 | 株式会社グリーンウェル | ブルーライトを低減した白色led素子および該白色led素子を複数個、配線基板上に配列・搭載した白色ledユニット |
JP2019050425A (ja) * | 2018-12-14 | 2019-03-28 | 日亜化学工業株式会社 | 発光装置 |
US10559723B2 (en) | 2017-08-25 | 2020-02-11 | Rohm Co., Ltd. | Optical device |
Families Citing this family (6)
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US9673364B2 (en) * | 2013-07-19 | 2017-06-06 | Nichia Corporation | Light emitting device and method of manufacturing the same |
KR102123039B1 (ko) | 2013-07-19 | 2020-06-15 | 니치아 카가쿠 고교 가부시키가이샤 | 발광 장치 및 그 제조 방법 |
DE102013110355A1 (de) * | 2013-09-19 | 2015-03-19 | Osram Opto Semiconductors Gmbh | Optoelektronisches Halbleiterbauelement und Verfahren zum Herstellen eines Leiterrahmenverbunds |
JP6578735B2 (ja) * | 2014-05-21 | 2019-09-25 | 日亜化学工業株式会社 | 半導体装置の実装構造、バックライト装置及び実装基板 |
US9847468B1 (en) * | 2016-06-20 | 2017-12-19 | Asm Technology Singapore Pte Ltd | Plated lead frame including doped silver layer |
JP7248379B2 (ja) * | 2017-07-24 | 2023-03-29 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
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JP3180453U (ja) * | 2012-05-24 | 2012-12-20 | 盈勝科技股▲ふん▼有限公司 | 多層式構造を具える一体化高効率照明装置 |
JP2015207754A (ja) * | 2013-12-13 | 2015-11-19 | 日亜化学工業株式会社 | 発光装置 |
US10270011B2 (en) | 2013-12-13 | 2019-04-23 | Nichia Corporation | Light emitting device |
JP2015185661A (ja) * | 2014-03-24 | 2015-10-22 | スタンレー電気株式会社 | 半導体装置 |
JP2017069458A (ja) * | 2015-09-30 | 2017-04-06 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP2017076640A (ja) * | 2015-10-13 | 2017-04-20 | ローム株式会社 | 光半導体装置の製造方法および光半導体装置 |
US10559723B2 (en) | 2017-08-25 | 2020-02-11 | Rohm Co., Ltd. | Optical device |
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WO2019054447A1 (ja) * | 2017-09-14 | 2019-03-21 | 株式会社グリーンウェル | ブルーライトを低減した白色led素子および該白色led素子を複数個、配線基板上に配列・搭載した白色ledユニット |
JP2019054098A (ja) * | 2017-09-14 | 2019-04-04 | 株式会社グリーンウェル | ブルーライトを低減した白色led素子および該白色led素子を複数個、配線基板上に配列・搭載した白色ledユニット |
JP2019050425A (ja) * | 2018-12-14 | 2019-03-28 | 日亜化学工業株式会社 | 発光装置 |
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