JP6457713B2 - 発光素子パッケージ - Google Patents
発光素子パッケージ Download PDFInfo
- Publication number
- JP6457713B2 JP6457713B2 JP2013258482A JP2013258482A JP6457713B2 JP 6457713 B2 JP6457713 B2 JP 6457713B2 JP 2013258482 A JP2013258482 A JP 2013258482A JP 2013258482 A JP2013258482 A JP 2013258482A JP 6457713 B2 JP6457713 B2 JP 6457713B2
- Authority
- JP
- Japan
- Prior art keywords
- ceramic layer
- light emitting
- electrode
- disposed
- emitting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Description
80 ビアホール電極
100,200 発光素子パッケージ
110a,110b,110c パッケージボディー
130,230 放熱部
140,240a,240b 発光素子
145,245a,245b ワイヤ
150,250 モールディング部
151,152 第3電極パターン
160,260 蛍光体
210a,210b,210c,210d 第1セラミック層
220 第3セラミック層
270 クラック防止部
281a〜284a 第1電極パターン
281b〜284b 第2電極パターン
285a 第1電極パッド
285b 第2電極パッド
286a〜286d 導電性接着層
291a〜294a,291b〜294b 連結電極
Claims (5)
- キャビティを有し、上部セラミック層及び下部セラミック層を含む第1セラミック層、第2セラミック層並びに第3セラミック層からなり、前記下部セラミック層の上に、前記第3セラミック層、前記第2セラミック層及び前記上部セラミック層が順次配置される、パッケージボディーと、
前記第2セラミック層上に配置される電極パッドと、
前記パッケージボディー上に配置され、前記電極パッドにワイヤによって電気的に接続される発光素子と、
前記パッケージボディーの内部に配置され、前記パッケージボディーと異なる材料からなり、上面の幅が下面の幅よりも大きい放熱部と、
を含み、
前記ワイヤは前記発光素子及び電極パッドのうち少なくとも一つにステッチ(stitch)をなし、前記ステッチ上にボンディングボール(bonding ball)が配置され、
前記第1セラミック層の前記上部セラミック層及び前記第2セラミック層は、前記キャビティの壁部をなし、
前記上部セラミック層及び前記第2セラミック層の各々は、前記発光素子を囲む4つの平面を含み、該4つの平面は上方からみて全体として略矩形状を呈し、
前記第2セラミック層の一部にオープン領域が形成され、前記オープン領域で前記第3セラミック層が露出して前記キャビティの底面をなし、前記第3セラミック層の露出された領域上に前記発光素子が配置され、
前記第1セラミック層の下部セラミック層の上面と前記第3セラミック層の下面との間に第1電極パターン及び第2電極パターンが配置され、前記第3セラミック層の上面と前記第2セラミック層との間に他の第1電極パターン及び他の第2電極パターンが配置され、
前記第2セラミック層を貫通して配置された第1連結電極が、前記電極パッドを、前記第3セラミック層の上面と前記第2セラミック層との間に配置された前記他の第1電極パターン及び前記他の第2電極パターンに電気的に接続し、
前記第3セラミック層を貫通して配置された第2連結電極が、前記第1セラミック層の前記下部セラミック層の上面と前記第3セラミック層の下面との間に配置された前記第1電極パターン及び前記第2電極パターンを、前記第3セラミック層の上面と前記第2セラミック層との間に配置された前記他の第1電極パターン及び前記他の第2電極パターンに電気的に接続し、
前記電極パッドの幅は、前記ワイヤの直径の2倍〜3倍であり、
前記第3セラミック層が、前記第1セラミック層の前記下部セラミック層と前記第2セラミック層との間に配置され、
前記第3セラミック層の下面が、前記放熱部、及び、前記第1セラミック層の前記下部セラミック層に接触し、
前記第3セラミック層の上面が、前記第2セラミック層、及び、前記発光素子に接触する、発光素子パッケージ。 - 前記第1連結電極及び第2連結電極はビアホール電極であり、
前記ビアホール電極と前記ステッチ及びボンディングボールとは互いに垂直方向に重ならない、請求項1に記載の発光素子パッケージ。 - 前記ボンディングボールは、前記ステッチ又は前記ワイヤと接触するボディー(body)と、前記ボディー上のテール(tail)とを含む、請求項2に記載の発光素子パッケージ。
- 前記ビアホール電極は、前記パッケージボディーの端部に隣接して形成される、請求項2又は請求項3に記載の発光素子パッケージ。
- 前記ビアホール電極は、前記パッケージボディーの角部のうち少なくとも一つに形成される、請求項2から請求項4のいずれかに記載の発光素子パッケージ。
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