JP2015076617A - 発光素子、それを含む発光素子パッケージ及びパッケージを含む照明装置 - Google Patents
発光素子、それを含む発光素子パッケージ及びパッケージを含む照明装置 Download PDFInfo
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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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- H01L24/10—Bump connectors ; Manufacturing methods related thereto
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
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- H01L2224/13001—Core members of the bump connector
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- H01L2224/161—Disposition
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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Abstract
【解決手段】基板110と、基板の下に配置され、第1導電型半導体層122、活性層124及び第2導電型半導体層126を含む発光構造物120と、サブマウント140と、サブマウント上に互いに電気的に離隔して配置された第1及び第2金属パッド152,154と、第1導電型半導体層と第1金属パッドとの間に配置された第1バンプ162−1,162−2と、第2導電型半導体層と第2金属パッドとの間に配置された第2バンプ164−1とを含み、第1導電型半導体層及び活性層が配置された複数のアクティブ領域は、互いに離隔した平面形状を有する。
【選択図】図3
Description
Claims (20)
- 基板と、
前記基板の下に配置され、第1導電型半導体層、活性層及び第2導電型半導体層を含む発光構造物と、
サブマウントと、
前記サブマウント上に互いに電気的に離隔して配置された第1及び第2金属パッドと、
前記第1導電型半導体層と前記第1金属パッドとの間に配置された第1バンプと、
前記第2導電型半導体層と前記第2金属パッドとの間に配置された第2バンプとを含み、
前記第1導電型半導体層及び前記活性層が配置された複数のアクティブ領域は、互いに離隔した平面形状を有する、発光素子。 - 前記複数のアクティブ領域が互いに離隔した距離は、60μm〜300μmである、請求項1に記載の発光素子。
- 前記複数のアクティブ領域は、前記発光素子のエッジから10μm〜100μmの距離だけ離隔した、請求項1又は2に記載の発光素子。
- 前記複数のアクティブ領域が前記発光素子のエッジから離隔した距離は、互いに同一である、請求項1ないし3のいずれか1項に記載の発光素子。
- 前記複数のアクティブ領域が前記発光素子のエッジから離隔した距離は、互いに異なる、請求項1ないし3のいずれか1項に記載の発光素子。
- 前記第2バンプは、前記複数のアクティブ領域の間に配置された平面形状を有する、請求項1ないし5のいずれか1項に記載の発光素子。
- 前記第2バンプは複数個であり、前記複数個の第2バンプは、十字状に配置された平面形状を有する、請求項6に記載の発光素子。
- 前記第2バンプは複数個であり、前記複数個の第2バンプは、三角形状に配置された平面形状を有する、請求項6に記載の発光素子。
- 前記第1バンプは円形の平面形状を有する、請求項1ないし8のいずれか1項に記載の発光素子。
- 前記第2バンプは円形の平面形状を有する、請求項1ないし9のいずれか1項に記載の発光素子。
- 前記第2バンプと前記第2導電型半導体層との間に配置された反射層をさらに含む、請求項1ないし10のいずれか1項に記載の発光素子。
- 前記アクティブ領域を取り囲む環状の平面形状を有する反射層をさらに含む、請求項1ないし10のいずれか1項に記載の発光素子。
- 前記複数のアクティブ領域は、互いに等間隔に離隔して配置された平面形状を有する、請求項1ないし12のいずれか1項に記載の発光素子。
- 前記複数のアクティブ領域は、互いに異なる間隔で離隔して配置された平面形状を有する、請求項1ないし12のいずれか1項に記載の発光素子。
- 前記複数のアクティブ領域は、前記発光素子の周縁に配置された平面形状を有する、請求項1ないし14のいずれか1項に記載の発光素子。
- 前記発光素子は多角形の平面形状を有する、請求項1ないし15のいずれか1項に記載の発光素子。
- 前記アクティブ領域は、前記多角形の角部付近または前記多角形の中央のうち少なくとも1箇所に配置される、請求項16に記載の発光素子。
- 前記活性層は、100nm〜280nmの波長帯域の光を放出する、請求項1ないし17のいずれか1項に記載の発光素子。
- ヘッダーと、
前記ヘッダー上に配置されてキャビティを形成する側壁部と、
前記ヘッダー上で前記キャビティ内に配置された請求項1ないし18のいずれか1項に記載の前記発光素子の前記第1及び第2金属パッドと電気的にそれぞれ接続される第1及び第2ワイヤと、
前記第1及び第2ワイヤを介して前記第1及び第2金属パッドとそれぞれ電気的に接続される第1及び第2リード線と、
前記キャビティに充填されて前記発光素子を包囲するように配置されたモールディング部材とを含む、発光素子パッケージ。 - 請求項19に記載の発光素子パッケージと、
前記発光素子パッケージから提供される光を拡散、散乱または励起させるカバーとを含む、照明装置。
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