JP2019179798A - 発光装置 - Google Patents
発光装置 Download PDFInfo
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- JP2019179798A JP2019179798A JP2018067211A JP2018067211A JP2019179798A JP 2019179798 A JP2019179798 A JP 2019179798A JP 2018067211 A JP2018067211 A JP 2018067211A JP 2018067211 A JP2018067211 A JP 2018067211A JP 2019179798 A JP2019179798 A JP 2019179798A
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- Prior art keywords
- groove
- light emitting
- sealing member
- emitting device
- light
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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)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
Description
10a 上面
10b 下面
10c〜10f 側部
11 凹部
11a 開口
11b 底面
11c〜11f 内側面
12 溝
12A 底面部分
12B、12C 側面部分
12a 表面
13 基体
14A〜14F リード端子
15 金属ワイヤ
16 凹凸
16c 凸部
16d 凹部
21〜23 発光素子
30 封止部材
101 発光装置
Claims (9)
- 上面と前記上面に位置する開口を備えた凹部とを有するパッケージと、
前記凹部の底面に配置された発光素子と、
前記凹部内に充填された透光性の封止部材と、
を備え、
前記パッケージは、前記上面において前記開口を囲む溝を有し、
前記溝内の表面は凹凸を有し、
前記封止部材は前記溝内の表面の少なくとも一部を被覆し、前記溝内を被覆する前記封止部材は表面に凹凸を有する、発光装置。 - 前記溝内を被覆する前記封止部材は、前記溝内の表面の凹凸に起因する凹凸を表面に有する請求項1に記載の発光装置。
- 前記溝内の表面の一部は前記封止部材から露出する請求項1または2に記載の発光装置。
- 前記パッケージは、前記上面に凹凸を有する、請求項1から3のいずれか一項に記載の発光装置。
- 前記溝の側面部分の上部は、断面視において、前記溝内に向かって凸の曲線形状を有している、請求項1から4のいずれか一項に記載の発光装置。
- 前記溝の底面部分は断面視でU字形状を有する請求項1から3のいずれか一項に記載の発光装置。
- 前記溝の側面は前記凹部の側面と連続しており、
断面視において、前記溝の側面部分が、前記開口との接続点において鉛直方向となす角度は、80°以下である、請求項1から6のいずれか一項に記載の発光装置。 - 前記溝内の表面粗さと前記上面の表面粗さは略等しい、請求項1から7のいずれか一項に記載の発光装置。
- 前記溝内の表面および前記上面の表面粗さは、0.4μm以上1.0μm以下である、請求項1から8のいずれか一項に記載の発光装置。
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