JP4404860B2 - Ledハウジング及びその製造方法 - Google Patents
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- G09G2370/00—Aspects of data communication
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- H01L2224/481—Disposition
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- H01L2224/48247—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 metallic connecting the wire to a bond pad of the item
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Description
先に、金属固まりから図3乃至7を参照して前述した熱伝達部110を備え、板金または板金を、好ましくはプレス作業及びパンチングによって図14、14a及び14bに示すようなフレーム128を備える。上記フレーム128は外周部126から中心に向かってリード形態で延長された一対の電気連結部120及び一対のホルダー部124を有するようになる。電気連結部120、ホルダー部124及び外周部126の間には開放領域が形成される。
次に、図15乃至17に示すように、熱伝達部110をフレーム128に装着する。具体的には、ホルダー部124の末端124aを熱伝達部の溝に嵌め込み、電気連結部120のワイヤ装着領域120aを熱伝達部110のチップ装着領域112に隣接配置する。この際、電気連結部120は熱伝達部110から一定間隔を維持する。このようにすると、ホルダー部124は熱伝達部110を安定されるように把持することにより後続する金型装着工程及び樹脂注入工程において熱伝達部110がその位置を維持することが可能である。
次に、フレーム128の穴(H)を金型(図示せず)のガイドピンをかけてフレームを金型に装着する。そのようにした後、金型の中に封止材を射出して熱伝達部110及びこれに隣接したフレーム128部分を一体で成形して図18乃至21に示すような熱伝達部110のチップ装着領域112と電気連結部120のワイヤ装着領域120aを露出させる開放部132を有するハウジング本体130を形成する。
次に、図22に示すように、切断線(Lc)に沿って電気連結部120の外部電源連結領域120aをフレーム128から切断しホルダー部124を熱伝達部110の溝118から分離する。分離されたホルダー部124はハウジング本体130に図6に示すような凹部134を残し、これは前述したように後続する工程においてLEDハウジング100を基板に半田付けする際、半田を収容することにより、LEDハウジング100と基板の間の結合力を強化する。
図22のLEDハウジング100には図8と9の透明カバー140を結合することが可能である。この場合、カバー140を引っ繰り返してその中にシリコンなどからなる透明密封体150を埋め込んだ後、LEDチップ102が下になるようにLEDハウジング100を引っ繰り返してカバー140に結合させる。この状態において透明密封体150が硬化されれば図8と9に示すようなLEDパッケージを得ることが可能である。
図23は、多数のフレーム領域128´が配列されたフレームアレイシート160を示す。各々のフレーム領域128´は前述したフレーム128と同一な形態を有する。
12 LEDチップ
14 熱伝達部材
16 ワイヤ
18 端子
20 封止材
22 レンズ
24 ハウジング
30 回路基板
32 金属放熱基板
36 熱伝導パッド
38 ソルダ
40 LEDアセンブリ
100 LEDハウジング
102 LEDチップ
110 熱伝達部
112 チップ装着領域
114 熱伝達領域
116 首部
118 溝
120 電気連結部
120a ワイヤ連結領域
120b 外部電源連結領域
130 ハウジング本体
132 開放部
134 凹部
140 カバー
142 反射面
144 上部放出面
146 下部放出面
150 透明密封体
200 LEDハウジング
202 LEDチップ
204 ワイヤ
210 熱伝達部
220 電気連結部
222 リード
300 LEDハウジング
302 LEDチップ
310 熱伝達部
312 チップ装着領域
312a 反射鏡
400 LEDハウジング
402 LEDチップ
410 熱伝達部
412 チップ装着領域
432 空洞
434 傾斜面
436 曲面
440 カバー
442 反射面
444 放出面
450 透明密封体
124 ホルダー部
126 外周部
128 フレーム
128´ フレーム領域
160 フレームアレイシート
Claims (15)
- LEDチップが装着されるチップ装着領域、上記チップ装着領域に対向された熱伝達領域及び上記熱伝達領域の側面に沿って形成された溝を有する熱伝達部と、
上記熱伝達部のチップ装着領域に隣接配置されたワイヤ連結領域及び上記ワイヤ連結領域と連結された外部電源連結領域を有する電気連結部と、
封止材から成り、上記電気連結部を上記熱伝達部から隔離しながら上記熱伝達部及び上記電気連結部を一体で封止するハウジング本体と含み、
上記ハウジング本体は下部に上記熱伝達部の溝の一部から側面まで繋がった凹部を備えることを特徴とするLEDハウジング。 - 上記電気連結部は上記LEDチップにそれぞれワイヤで連結される一対のリードであることを特徴とする請求項1に記載のLEDハウジング。
- 上記熱伝達部は上記LEDチップに電気的に連結されることを特徴とする請求項1または2に記載のLEDハウジング。
- 上記チップ装着領域は外周が反射鏡形態で光放出方向へ延長されたことを特徴とする請求項1から3の何れかに記載のLEDハウジング。
- 上記ハウジング本体は上記熱伝達部のチップ装着領域と熱伝達領域及び上記電気連結部のワイヤ連結領域を露出させることを特徴とする請求項1から4の何れかに記載のLEDハウジング。
- 上記ハウジング本体は上記熱伝達部のチップ装着領域と上記の電気連結部のワイヤ連結領域の周囲に上記LEDチップで発生した光を上方へ反射する傾斜面を備えることを特徴とする請求項5に記載のLEDハウジング。
- 上記熱伝達部は上記チップ装着領域と上記溝の間の外周に添って首部が形成されたことを特徴とする請求項1から6の何れかに記載のLEDハウジング。
- (a)チップ装着領域、上記チップ装着領域に対向された熱伝達領域及び上記熱伝達領域の側面に沿って形成された溝を有する熱伝達部を備える段階と、
(b)板金を加工して外周部、上記外周部から中心に向かって延長された一つ以上の電気連結部と複数のホルダー部及び上記外周部に形成された穴を有するフレームを備える段階と、
(c)上記ホルダー部の末端を上記熱伝達部の溝に嵌め込み、ワイヤ装着領域を有する上記電気連結部の末端を上記熱伝達部のチップ装着領域に隣接配置し上記熱伝達部を上記フレームに装着する段階と、
(d)上記熱伝達部及び上記フレームを金型に装着する段階と、
(e)上記金型内に封止材を射出し上記熱伝達部を上記電気連結部から隔離させながら上記熱伝達部及び上記電気連結部とホルダー部の末端側を一部が露出されるように一体で封止するハウジング本体を形成する段階と、
(f)上記電気連結部を上記フレームから切断し上記ホルダー部を上記熱伝達部から分離し、上記熱伝達部の溝から上記ハウジング本体の下部に沿って側面へ繋がった複数の凹部を形成する段階とを含むことを特徴とするLEDハウジング製造方法。 - (a)チップ装着領域、上記チップ装着領域に対向された熱伝達領域及び上記熱伝達領域の側面に沿って形成された溝を有する複数の熱伝達部を備える段階と、
(b)板金を加工して外周部、上記外周部から中心に向かって延長された一つ以上の電気連結部と複数のホルダー部及び上記外周部に形成された穴を有する複数のフレームを有するフレームアレイシートを備える段階と、
(c)上記ホルダー部の末端を上記熱伝達部の溝に嵌め込み、ワイヤ装着領域を有する上記電気連結部の末端を上記熱伝達部のチップ装着領域に隣接配置して上記熱伝達部を上記フレーム領域にそれぞれ装着する段階と、
(d)上記フレームアレイシートを金型に装着する段階と、
(e)上記金型内に封止材を射出して上記熱伝達部を上記電気連結部から隔離させながら上記熱伝達部及び上記電気連結部とホルダー部の末端側を一部が露出されるように一体で封止するハウジング本体を形成する段階と、
(f)上記電気連結部を上記フレームアレイシートから切断し、上記ホルダー部を上記熱伝達部から分離し、上記熱伝達部の溝から上記ハウジング本体の下部に沿って側面へ繋がった複数の凹部を形成する段階とを含むことを特徴とするLEDハウジング製造方法。 - 上記(b)準備段階はパンチングによって行うことを特徴とする請求項8又は9に記載のLEDハウジング製造方法。
- 上記(b)準備段階は上記電気連結部を切曲させることを特徴とする請求項10に記載のLEDハウジング製造方法。
- 上記(b)準備段階は上記ホルダー部を切曲させ、上記製造方法は上記(f)段階以後に(g)上記電気連結部を切曲させる段階をさらに含むことを特徴とする請求項8から11の何れかに記載のLEDハウジング製造方法。
- 上記(c)熱伝達部装着段階は上記ホルダー部の末端を互いに向かい合うようにしながら上記熱伝達部の溝に嵌め込むことを特徴とする請求項8から12の何れかに記載のLEDハウジング製造方法。
- 上記(d)金型装着段階は上記フレームの穴をガイド穴で使用することを特徴とする請求項から13の何れかに記載のLEDハウジング製造方法。
- 上記(e)ハウジング本体形成段階は上記熱伝達部のチップ装着領域と熱伝達領域、上記電気連結部の末端の一面及び上記ホルダー末端の上記熱伝達領域側の一面を露出させることを特徴とする請求項8から14の何れかに記載のLEDハウジング製造方法。
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KR1020050013248A KR100665117B1 (ko) | 2005-02-17 | 2005-02-17 | Led 하우징 및 그 제조 방법 |
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US9070850B2 (en) | 2007-10-31 | 2015-06-30 | Cree, Inc. | Light emitting diode package and method for fabricating same |
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-
2005
- 2005-02-17 KR KR1020050013248A patent/KR100665117B1/ko active IP Right Grant
-
2006
- 2006-01-05 US US11/325,327 patent/US20060180925A1/en not_active Abandoned
- 2006-01-11 JP JP2006003624A patent/JP4404860B2/ja active Active
- 2006-01-24 CN CNB2006100030074A patent/CN100389505C/zh active Active
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US20060180925A1 (en) | 2006-08-17 |
JP2006229204A (ja) | 2006-08-31 |
KR100665117B1 (ko) | 2007-01-09 |
KR20060091979A (ko) | 2006-08-22 |
US20070145387A1 (en) | 2007-06-28 |
US7678592B2 (en) | 2010-03-16 |
CN100389505C (zh) | 2008-05-21 |
CN1825645A (zh) | 2006-08-30 |
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