JP4664861B2 - 発光素子パッケージ及びその製造方法 - Google Patents
発光素子パッケージ及びその製造方法 Download PDFInfo
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- JP4664861B2 JP4664861B2 JP2006137259A JP2006137259A JP4664861B2 JP 4664861 B2 JP4664861 B2 JP 4664861B2 JP 2006137259 A JP2006137259 A JP 2006137259A JP 2006137259 A JP2006137259 A JP 2006137259A JP 4664861 B2 JP4664861 B2 JP 4664861B2
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- light emitting
- emitting device
- conductive
- light
- pair
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Landscapes
- Engineering & Computer Science (AREA)
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Description
202:導電性基板
210、211、213a、213b、213c、214a、214b、214c、214d、214e、214f:導電性パッド
300、300a、300b、350:発光素子
301、302、305、351、352、360:電極パッド
310:接着剤
311:導電性接着剤
400:光透過用物質膜
401、402:トレンチ(Trench)
410:コーティング膜
420:平坦膜
500、521:導電性ライン
511、512:導電性物質
513:導電層
705:n型層
706:活性層
707:p型層
708:サファイア基板
709:ワイヤ
710:サブマウント
712:p-型オーミック接触金属
713:n-型オーミック接触金属
715:n型導電性パッド
716:p型導電性パッド
717:インターコネクション部
718:蛍光体
719:透明絶縁膜
720:絶縁膜
Claims (16)
- 一対の導電性パッドが上部に形成された基板と、
前記基板に実装され、上部及び下部それぞれに電極パッドが形成されていて、下部に形成された電極パッドが前記一対の導電性パッドの一方にボンディングされている発光素子と、
前記電極パッドとボンディングされていない他方の導電性パッドの一部を露出させる第1垂直貫通ホールが形成されており、前記発光素子の上部に形成された電極パッドの一部を露出させる第2垂直貫通ホールが形成されており、前記導電性パッド及び発光素子の形態に沿って形成された光透過用物質膜と、
前記第1垂直貫通ホールにより露出された前記導電性パッドの一部から前記第2垂直貫通ホールにより露出された前記発光素子の電極パッドの一部まで前記光透過用物質膜の表面に沿って形成された導電性ラインとを含んで構成された発光素子パッケージ。 - 前記基板は導電性基板であり、
前記導電性パッドと前記導電性基板との間には絶縁膜がさらに介されていることを特徴とする請求項1に記載の発光素子パッケージ。 - 前記発光素子は、
赤色光または赤外線光を発光する素子であることを特徴とする請求項1に記載の発光素子パッケージ。 - 一対の導電性パッドが上部に形成された基板と、
前記基板の上部に実装され、上部に一対の電極パッドが形成されている発光素子と、
前記一対の導電性パッドそれぞれの一部を露出させる一対の第1垂直貫通ホールが形成されており、該一対の電極パッドそれぞれの一部を露出させる一対の第2垂直貫通ホールが形成されており、前記導電性パッド及び発光素子の形態に沿って形成された光透過用物質膜と、
前記一対の第1垂直貫通ホールにより露出された前記一対の導電性パッドそれぞれの露出された一部から前記一対の第2垂直貫通ホールにより露出された前記一対の電極パッドそれぞれの露出された一部まで前記光透過用物質膜の表面に沿って形成された一対の導電性ラインとを含んで構成される発光素子パッケージ。 - 前記発光素子は、
緑色または青色発光素子であることを特徴とする請求項4に記載の発光素子パッケージ。 - 前記光透過用物質膜は、
光透過の可能な感光物質よりなることを特徴とする請求項1ないし5のいずれか1項に記載の発光素子パッケージ。 - 前記光透過用物質膜の内部には、
前記発光素子から放出される光を波長転換させる蛍光体が分散されていることを特徴とする請求項1ないし5のいずれか1項に記載の発光素子パッケージ。 - 前記光透過用物質膜は、
前記導電性パッド及び発光素子を包み、上部が平坦化されており、
前記導電性ラインは、
前記第1垂直貫通ホール及び前記第2垂直貫通ホールのそれぞれに充填された導電性物質と、
前記第1垂直貫通ホール及び前記第2垂直貫通ホールのそれぞれに充填された導電性物質を連結するように前記光透過用物質膜の上部に形成された導電層で構成されることを特徴とする請求項1に記載の発光素子パッケージ。 - 前記光透過用物質膜は、
前記発光素子の一部領域にだけ形成されており、
前記光透過用物質膜及び発光素子を包む蛍光体膜がさらに具備されることを特徴とする請求項1ないし5のいずれか1項に記載の発光素子パッケージ。 - 一対の導電性パッドが上部に形成された基板の前記一対の導電性パッドの一方に、上部及び下部のそれぞれに電極パッドが形成されている発光素子の下部に形成された電極パッドをボンディングする段階と、
前記電極パッドとボンディングされていない他方の導電性パッドの一部を露出させる第1垂直貫通ホール及び前記発光素子の上部に形成された電極パッドの一部を露出させる第2垂直貫通ホールを形成し、前記導電性パッド及び発光素子の形態に沿って光透過用物質膜を形成する段階と、
前記第1垂直貫通ホールにより露出された前記導電性パッドの一部から前記第2垂直貫通ホールにより露出された前記発光素子の電極パッドの一部まで前記光透過用物質膜の表面に沿って導電性ラインを形成する段階とを含んで構成される発光素子パッケージの製造方法。 - 前記光透過用物質膜は、
光透過用物質を前記導電性パッド及び発光素子にコーティングして膜を形成し、前記導電性パッドの一部及び前記発光素子の上部に形成された電極パッドの一部が露出されるように、前記膜を選択的に除去する工程を行なって形成することを特徴とする請求項10に記載の発光素子パッケージの製造方法。 - 前記膜は、
スプレイコーティング法で形成することを特徴とする請求項11に記載の発光素子パッケージの製造方法。 - 前記光透過用物質膜を形成することは、
前記導電性パッド及び発光素子を包み、上部が平坦化された平坦膜を形成する工程と、
前記平坦膜の上部から導電性パッド及び発光素子の電極パッドまでの平坦膜がそれぞれ除去され形成された第1垂直貫通ホール及び第2垂直貫通ホールを形成する工程と、
前記第1垂直貫通ホール及び第2垂直貫通ホールそれぞれに導電性物質を充填し、充填された導電性物質を連結する導電層を形成する工程を行なうことを特徴とする請求項10に記載の発光素子パッケージの製造方法。 - 一対の導電性パッドが上部に形成された基板上部に一対の電極パッドが形成されている発光素子を接合する段階と、
前記一対の導電性パッドそれぞれの一部を露出させる一対の第1垂直貫通ホール及び前記一対の電極パッドそれぞれの一部を露出させる一対の第2垂直貫通ホールを形成し、前記導電性パッド及び発光素子の形態に沿って光透過用物質膜を形成する段階と、
前記一対の第1垂直貫通ホールにより露出された前記一対の導電性パッドそれぞれの露出された一部から一対の第2垂直貫通ホールにより露出された前記一対の電極パッドそれぞれの露出された一部まで前記光透過用物質膜の表面に沿って形成された一対の導電性ラインを形成する段階を含んで構成される発光素子パッケージの製造方法。 - 前記光透過用物質膜は、
光透過の可能な感光物質よりなることを特徴とする請求項10又は14に記載の発光素子パッケージの製造方法。 - 前記光透過用物質膜の内部には、
前記発光素子から放出される光を波長転換させる蛍光体が分散されていることを特徴とする請求項10又は14に記載の発光素子パッケージの製造方法。
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JP2005057239A (ja) * | 2003-03-27 | 2005-03-03 | Nichia Chem Ind Ltd | 半導体発光素子およびその製造方法 |
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KR20060118840A (ko) | 2006-11-24 |
US20060261292A1 (en) | 2006-11-23 |
CN1866561A (zh) | 2006-11-22 |
US7683539B2 (en) | 2010-03-23 |
JP2006324667A (ja) | 2006-11-30 |
EP1724848A3 (en) | 2012-06-27 |
EP1724848B1 (en) | 2018-08-15 |
KR101047683B1 (ko) | 2011-07-08 |
EP1724848A2 (en) | 2006-11-22 |
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