JP2017076793A - 発光素子パッケージ及び照明装置 - Google Patents
発光素子パッケージ及び照明装置 Download PDFInfo
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- JP2017076793A JP2017076793A JP2016200889A JP2016200889A JP2017076793A JP 2017076793 A JP2017076793 A JP 2017076793A JP 2016200889 A JP2016200889 A JP 2016200889A JP 2016200889 A JP2016200889 A JP 2016200889A JP 2017076793 A JP2017076793 A JP 2017076793A
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- H01—ELECTRIC ELEMENTS
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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
- 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
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49537—Plurality of lead frames mounted in one device
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49575—Assemblies of semiconductor devices on lead frames
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H01L2224/48257—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 die pad of the item
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Abstract
【解決手段】実施例の発光素子パッケージは、第1リードフレームと、第1リードフレームから離隔した第2リードフレームと、第1及び第2リードフレームに結合され、第1リードフレームの上部面の一部を露出させる第1キャビティ、第2リードフレームの上部面の一部を露出させる第2キャビティ、及び前記第1及び第2リードフレームの間に配置されたスペーサーを含む胴体と、第1キャビティ内に配置された少なくとも1つ以上の発光素子と、第2キャビティ内に配置された保護素子と、を含み、第2キャビティは第1キャビティの第1内側面に配置され、第1内側面は前記スペーサーの上面と連結され、第1キャビティの底面の面積は、胴体の総面積の40%以下である。
【選択図】図1
Description
図25は、実施例の発光素子パッケージを含む表示装置を示した斜視図である。
図26は、実施例の発光素子パッケージを含む表示装置の他の例を示した断面図である。
131〜134:第1ないし第4内側面
140:第4キャビティ
141〜144:第5ないし第8内側面
170:第1リードフレーム
180:第3リードフレーム
190、290、290a〜290e:反射モールディング部
Claims (10)
- 第1リードフレームと、
前記第1リードフレームから離隔した第2リードフレームと、
前記第1及び第2リードフレームと結合され、前記第1リードフレームの上部面の一部を露出させる第1キャビティ、前記第2リードフレームの上部面の一部を露出させる第2キャビティ、及び前記第1及び第2リードフレームの間に配置されたスペーサーを含む胴体と、
前記第1キャビティ内に配置された少なくとも1つ以上の発光素子と、
前記第2キャビティ内に配置された保護素子と、を含み、
前記第2キャビティは前記第1キャビティの第1内側面に配置され、前記第1内側面は前記スペーサーの上面と連結され、
前記第1キャビティの底面の面積は、前記胴体の総面積の40%以下であることを特徴とする、発光素子パッケージ。 - 前記保護素子の上に配置され、前記第2キャビティを覆う反射モールディング部を更に含み、
前記反射モールディング部の一部は、前記第2キャビティに最も近い前記第1キャビティの底まで延長され、
前記第2キャビティに最も隣接した前記第1キャビティの底に配置されたワイヤボンディング部と、前記ワイヤボンディング部と前記保護素子を連結する第1ワイヤとを更に含み、
前記反射モールディング部の端は、前記発光素子と前記ワイヤボンディング部との間に配置され、
前記第1キャビティは、前記第1内側面と対面する第2内側面と、前記第1内側面の両端から前記第2内側面方向に延長される第3及び第4内側面を含み、
前記反射モールディング部の端は、前記第1キャビティの第1内側面との第1境界から前記第1キャビティの底面に延長され、前記第1キャビティの第4内側面との第2境界から前記第1キャビティの底面に延長され、前記第1及び第2境界の間に第3境界を含むことを特徴とする、請求項1に記載の発光素子パッケージ。 - 前記反射モールディング部の端は、第1内側面と対応する第1方向に第1境界と第2境界との間の第1幅と、前記第2境界と第3境界との間の第2幅とを含み、
前記第1幅は、前記第1方向と直交する第2方向に前記第1境界から延長される第1基準線と、前記第2方向に前記第2境界から延長される第2基準線との間の間隔であり、
前記第2幅は、前記第1基準線と、前記第2方向に前記第3境界から延長される第3基準線との間の間隔であり、
前記第2幅は、前記第1幅の1/3以下であり、
前記少なくとも1つ以上の発光素子は、第1及び第2発光素子を含み、
前記第1発光素子は、前記ワイヤボンディング部の隣に配置され、
前記第3境界は、前記第1発光素子と対面する前記第2発光素子の一側面と第2方向に並んで配置され,
前記第1境界は、前記第1キャビティの前記第1内側面と前記第2内側面との間に配置され、
前記第1内側面の傾斜角は、前記第3内側面の傾斜角より大きいことを特徴とする、請求項1または2に記載の発光素子パッケージ。 - 前記第1キャビティと前記少なくとも1つ以上の発光素子との間の間隔は、前記第1キャビティの幅の3.3%以下であり、
前記第1キャビティの底面に露出した前記第1リードフレームの面積は、前記胴体の総面積の20%ないし40%であり、
前記第2キャビティの底面に露出した前記第2リードフレームの面積は、前記胴体の総面積の3%ないし10%であり、
前記第2キャビティと前記第1キャビティから露出した前記第1リードフレームとの間に位置した境界部を更に含み、前記境界部の高さは、前記保護素子の高さより高く、
前記境界部の高さは100μmないし300μmであり、
前記境界部は、前記第1内側面内に配置され,
前記第2キャビティは、第5ないし第8内側面を含み、前記第5内側面は、前記第1キャビティの第3内側面と対向するように配置され、前記第5内側面は、一定な曲率を持ち、前記第5内側面の曲率は、0.1mmないし0.3mmであることを特徴とする、請求項1から3のうち、いずれか一項に記載の発光素子パッケージ。 - 前記第1リードフレームは、
前記第1リードフレームの上部面の上に凹状の第1リセス部と、
前記第1リードフレームの下部面の縁に配置された第1及び第2段差部と、
前記第1段差部から外側に突出した第1突出部と、を含み、
前記第1リセス部は、前記第1及び第2段差部から一定間隔離隔し、
前記第2リードフレームは、
前記第2リードフレームの上部面の上に凹状の第2リセス部と、
前記第2リードフレームの下部面の縁に配置された第3及び第4段差部と、
前記第3段差部から外側に突出した第2突出部と、を含み、
前記第2リセス部は、前記第3及び第4段差部から一定間隔離隔したことを特徴とする、
前記スペーサーの上部面の一部は、前記境界部から露出したことを特徴とする、請求項1から4のうち、いずれか一項に記載の発光素子パッケージ。 - 前記境界部は前記スペーサーの上に配置され、
前記境界部の短軸方向の幅は、前記スペーサーの短軸方向の幅以上であることを特徴とする、請求項1から5のうち、いずれか一項に記載の発光素子パッケージ。 - 前記境界部は前記スペーサーの上に配置され、
前記境界部の短軸方向の幅は、前記スペーサーの短軸方向の幅以下であることを特徴とする、請求項1から6のうち、いずれか一項に記載の発光素子パッケージ。 - 第1リードフレームと、
前記第1リードフレームから離隔した第2リードフレームと、
前記第1及び第2リードフレームと結合され、前記第1及び第2リードフレームの上部面の一部を露出させるキャビティと、前記第1及び第2リードフレームの間に配置されたスペーサーとを含む胴体と、
前記キャビティの前記第1リードフレームの上に配置された発光素子と、
前記キャビティの前記第2リードフレームの上に配置された保護素子と、
前記保護素子の上に配置された反射モールディング部と、
前記発光素子と前記保護素子との間に配置されたワイヤボンディング部と、を含み、
前記反射モールディング部の端は、前記発光素子とワイヤボンディング部との間に配置されたことを特徴とする、発光素子パッケージ。 - 前記キャビティは、第2方向に相互対面する第1及び第2内側面と、前記第2方向と直交する第1方向に対面する前記第3及び第4内側面とを含み、
前記反射モールディング部の端は、前記キャビティの第1内側面との第1境界ら前記キャビティの底面に延長され、前記キャビティの第4内側面との第2境界から前記キャビティの底面に延長され、前記第1及び第2境界の間に第3境界を含み、
前記反射モールディング部の端は、第1内側面と対応する第1方向に第1境界と第2境界との間の第1幅と、前記第2境界と第3境界との間の第2幅とを含み、
前記第1幅は、第2方向に前記第1境界から延長される第1基準線と前記第2方向に前記第2境界から延長される第2基準線との間の間隔であり、
前記第2幅は、前記第1基準線と前記第2方向に前記第3境界から延長される第3基準線との間の間隔であり、
前記第2幅は、前記第1幅の1/3以下であることを特徴とする、請求項8に記載の発光素子パッケージ。 - 前記反射モールディング部は、前記スペーサーの一部と垂直方向に重なり、
前記反射モールディング部は、前記スペーサーの上部と直接接触したことを特徴とする、請求項8または9に記載の発光素子パッケージ。
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