JP2016058614A - 発光装置、及び照明装置 - Google Patents
発光装置、及び照明装置 Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
- H05B33/04—Sealing arrangements, e.g. against humidity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- H01—ELECTRIC ELEMENTS
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- H—ELECTRICITY
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- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
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- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
[発光装置の構成]
まず、実施の形態1に係る発光装置の構成について図面を用いて説明する。図1は、実施の形態1に係る発光装置の外観斜視図である。図2は、実施の形態1に係る発光装置の平面図である。図3は、実施の形態1に係る発光装置の内部構造を示す平面図である。図4は、図2のA−A線における模式断面図である。なお、上記の図3は、図2において封止部材13及びダム材15を取り除き、LEDチップ12の配列及び配線パターンなどの内部の構造を示した平面図である。また、図4は、模式断面図であるため、LEDチップ12の個数など、図2と一致しない部分がある。
背景技術で述べた黄色蛍光体14の劣化は、LEDチップ12が発光することにより生じる熱、及び、大気中に含まれる湿気の2つが主要因であると考えられる。
次に、発光装置10の製造方法について説明する。図7は、発光装置10の製造方法のフローチャートである。図8は、発光装置10の製造方法を示す模式断面図である。なお、図8は、図2のA−A線における断面に対応する断面図である。なお、以下の製造方法、及び、以下の説明で示す寸法等は、一例である。
上記実施の形態1では、発光装置10の封止部材13は、3層構造であるとしたが、発光装置10は、第一封止層13a及び第二封止層13bの2層構造であり、第二封止層13bの下方に黄色蛍光体14が沈降していると考えることも可能である。
次に、実施の形態2に係る照明装置200について、図9及び図10を用いて説明する。図9は、実施の形態2に係る照明装置200の断面図である。図10は、実施の形態2に係る照明装置200及びその周辺部材の外観斜視図である。
以上、実施の形態に係る発光装置10とその製造方法、及び照明装置200について説明したが、本発明は、上記実施の形態に限定されるものではない。
11 基板
12 LEDチップ(発光素子)
13a 第一封止層
13b 第二封止層
13c 蛍光体層
14 黄色蛍光体(蛍光体)
15 ダム材
17 ボンディングワイヤ(ワイヤ)
23b 第二封止材(透光性を有する樹脂)
200 照明装置
Claims (9)
- 基板と、
前記基板上に設けられた発光素子と、
前記発光素子を封止する第一封止層と、
前記第一封止層の上方に設けられた第二封止層と、
前記第一封止層と前記第二封止層との間に設けられた、蛍光体を含有する蛍光体層とを備え、
前記蛍光体層は、前記第一封止層及び前記第二封止層のいずれよりも前記蛍光体の濃度が高い
発光装置。 - 前記第一封止層は、前記蛍光体を含有する
請求項1に記載の発光装置。 - 前記第一封止層は、フィラーを含有し、
前記第二封止層は、前記フィラーを含有しない
請求項1または2に記載の発光装置。 - 前記第一封止層と、前記第二封止層とは、同一の樹脂材料からなる
請求項1〜3のいずれか1項に記載の発光装置。 - さらに、前記発光素子に接続される給電用のワイヤを備え、
前記第一封止層は、前記ワイヤをさらに封止する
請求項1〜4のいずれか1項に記載の発光装置。 - さらに、前記発光素子を囲むように設けられたダム材を備え、
前記第一封止層、前記第二封止層、及び、前記蛍光体層は、前記ダム材によって囲まれた領域に形成される
請求項1〜5のいずれか1項に記載の発光装置。 - 請求項1〜6のいずれか1項に記載の発光装置を備える照明装置。
- 基板上に発光素子を実装する実装ステップと、
前記発光素子を封止する第一封止層を形成する第一形成ステップと、
前記第一封止層の上に蛍光体を含有する蛍光体層を形成し、かつ、前記蛍光体層の上に第二封止層を形成する第二形成ステップとを含み、
前記蛍光体層は、前記第一封止層及び前記第二封止層のいずれよりも前記蛍光体の濃度が高い
発光装置の製造方法。 - 前記第二形成ステップにおいては、前記蛍光体を含有した透光性を有する樹脂を前記第一封止層の上に塗布し、塗布された前記樹脂内において前記蛍光体を沈降させることにより、前記蛍光体層及び前記第二封止層を形成する
請求項8に記載の発光装置の製造方法。
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JP2014185185A JP2016058614A (ja) | 2014-09-11 | 2014-09-11 | 発光装置、及び照明装置 |
US14/828,586 US9420642B2 (en) | 2014-09-11 | 2015-08-18 | Light emitting apparatus and lighting apparatus |
DE102015113759.3A DE102015113759A1 (de) | 2014-09-11 | 2015-08-19 | Lichtemittierende vorrichtung und beleuchtungsvorrichtung |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2016167493A (ja) * | 2015-03-09 | 2016-09-15 | 豊田合成株式会社 | 発光装置の製造方法 |
JP2017220530A (ja) * | 2016-06-06 | 2017-12-14 | シチズン電子株式会社 | 発光装置の製造方法 |
JP2018195800A (ja) * | 2017-05-12 | 2018-12-06 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
US10153408B2 (en) | 2016-09-07 | 2018-12-11 | Panasonic Intellectual Property Management Co., Ltd. | Light-emitting apparatus and illumination apparatus |
JP2019012804A (ja) * | 2017-07-03 | 2019-01-24 | シチズン電子株式会社 | Led照明装置 |
US10431724B2 (en) | 2017-05-12 | 2019-10-01 | Nichia Corporation | Light emitting device and method of manufacturing same |
WO2020153781A1 (ko) * | 2019-01-24 | 2020-07-30 | 엘지이노텍 주식회사 | 조명 장치 및 이를 포함하는 차량용 램프 |
JP2020119984A (ja) * | 2019-01-23 | 2020-08-06 | シチズン電子株式会社 | 発光装置及び発光装置の製造方法 |
US10825949B2 (en) | 2018-08-27 | 2020-11-03 | Nichia Corporation | Method of manufacturing light emitting device |
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US10663142B2 (en) * | 2014-03-31 | 2020-05-26 | Bridgelux Inc. | Light-emitting device with reflective ceramic substrate |
JP2017162942A (ja) | 2016-03-08 | 2017-09-14 | パナソニックIpマネジメント株式会社 | 発光装置、及び、照明装置 |
JP2017188592A (ja) | 2016-04-06 | 2017-10-12 | 日亜化学工業株式会社 | 発光装置 |
JPWO2017208724A1 (ja) * | 2016-05-30 | 2019-03-22 | ミツミ電機株式会社 | 光学モジュール、モジュール及びその製造方法 |
CN112447896A (zh) * | 2020-05-26 | 2021-03-05 | 开发晶照明(厦门)有限公司 | 光电器件及其制作方法 |
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JP2016167493A (ja) * | 2015-03-09 | 2016-09-15 | 豊田合成株式会社 | 発光装置の製造方法 |
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JP2017220530A (ja) * | 2016-06-06 | 2017-12-14 | シチズン電子株式会社 | 発光装置の製造方法 |
US10153408B2 (en) | 2016-09-07 | 2018-12-11 | Panasonic Intellectual Property Management Co., Ltd. | Light-emitting apparatus and illumination apparatus |
US10700248B2 (en) | 2017-05-12 | 2020-06-30 | Nichia Corporation | Method of manufacturing light emitting device |
JP2018195800A (ja) * | 2017-05-12 | 2018-12-06 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
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CN113330248A (zh) * | 2019-01-24 | 2021-08-31 | Lg伊诺特有限公司 | 照明装置及包括该照明装置的车灯 |
US11415284B2 (en) | 2019-01-24 | 2022-08-16 | Lg Innotek Co., Ltd. | Lighting device and vehicle lamp comprising same |
CN113330248B (zh) * | 2019-01-24 | 2023-09-26 | Lg伊诺特有限公司 | 照明装置及包括该照明装置的车灯 |
US12000553B2 (en) | 2019-01-24 | 2024-06-04 | Lg Innotek Co., Ltd. | Lighting device and vehicle lamp comprising same |
Also Published As
Publication number | Publication date |
---|---|
DE102015113759A1 (de) | 2016-03-17 |
US20160081142A1 (en) | 2016-03-17 |
US9420642B2 (en) | 2016-08-16 |
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