JP2013055309A - 発光ダイオード封止材、および、発光ダイオード装置の製造方法 - Google Patents
発光ダイオード封止材、および、発光ダイオード装置の製造方法 Download PDFInfo
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- JP2013055309A JP2013055309A JP2011197359A JP2011197359A JP2013055309A JP 2013055309 A JP2013055309 A JP 2013055309A JP 2011197359 A JP2011197359 A JP 2011197359A JP 2011197359 A JP2011197359 A JP 2011197359A JP 2013055309 A JP2013055309 A JP 2013055309A
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- Prior art keywords
- emitting diode
- light emitting
- layer
- diode sealing
- sealing material
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Images
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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
- H01L33/58—Optical field-shaping elements
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- H—ELECTRICITY
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
【解決手段】発光ダイオード封止材1において、発光ダイオード封止層2に、レンズ成形層3を積層する。また、発光ダイオード13が実装された基板12を用意するとともに、レンズ成形型16を用意し、次いで、その基板12およびレンズ成形型16の間において、上記の発光ダイオード封止材1を、レンズ成形層3がレンズ成形型16と対向するように配置し、圧縮成形することにより、発光ダイオード装置11を製造する。
【選択図】図1
Description
上記式(1)において、R1およびR2は、好ましくは、互いに同一である。
(式(2)中、R3は、直鎖または環状のアルケニル基、R4は、1価の炭化水素基である。R3およびR4は、互いに異なっている。)
R3で示されるアルケニル基の炭素数は、調製の容易性または熱安定性の観点から、例えば、1〜20、好ましくは、1〜10である。
構成単位IにおけるR5、構成単位IIにおけるR5、構成単位IIIにおけるR5および構成単位IVにおけるR5は、好ましくは、互いに同一である。
<発光ダイオード封止層の製造>
シラノール両末端ポリジメチルシロキサン(シラノール両末端ポリシロキサン、式(1)中、R1がすべてメチル、nの平均が155)(信越化学工業社製、商品名「X−21−5842」、平均分子量11500)100g(8.70mmol)、ビニルトリメトキシシラン(アルケニル基含有アルコキシシラン)(信越化学工業社製、商品名「KBM−1003)0.86g(5.80mmol)、および、2−プロパノール10mL(シラノール両末端ポリジメチルシロキサンとビニルトリメトキシシランの総量100質量部に対して8質量部)を、攪拌混合した。
<レンズ成形層の製造>
蛍光体粒子を添加しない以外は、上記<発光ダイオード封止層の製造>と同様にして、無機粒子を含有するシリコーン樹脂組成物を得た。
<発光ダイオード封止材の製造>
上記により得られた発光ダイオード封止層およびレンズ成形層を貼り合わせ、120℃で3分間加熱することにより、厚み1100μmの発光ダイオード封止材を得た。
<発光ダイオード装置の製造>
配線が形成された基板の上面において、100個(10×10配置)の青色発光ダイオードを実装した(図2(a)参照)。
<発光ダイオード封止材の製造>
実施例1と同様にして、厚み350μmの発光ダイオード封止層を製造した。
<変形防止層の製造>
上記により得られた発光ダイオード封止層の表面に、液状シリコーンゴム(旭化成社製、商品名「LR7665」)を、厚み200μmで塗工し、120℃で3分間熱硬化させることにより、厚み200μmの変形防止層を製造し、発光ダイオード封止層および変形防止層の積層体を形成した。
<レンズ成形層の製造>
実施例1と同様にして、厚み750μmのレンズ成形層を製造した。
<発光ダイオード封止材の製造>
上記により得られた発光ダイオード封止層および変形防止層の積層体と、レンズ成形層とを、変形防止層とレンズ成形層とが対向するように貼り合わせ、120℃で3分間加熱することにより、厚み1300μmの発光ダイオード封止材を得た。
<発光ダイオード装置の製造>
実施例1と同様にして、発光ダイオード装置を製造した(図5参照)。
<発光ダイオード封止層の製造>
付加触媒(ヒドロシリル化触媒)として白金−カルボニル錯体溶液(白金濃度2質量%)0.87mL(オルガノハイドロジェンシロキサン100質量部に対して116.7質量部、白金換算で2.3質量部(実施例1における配合量の3.3倍))を配合した以外は、実施例1と同様にして、厚み350μmの半硬化状態(Bステージ状態)の発光ダイオード封止層を得た。
<レンズ成形層の製造>
実施例1と同様にして、厚み750μmの発光ダイオード封止層を得た。
<発光ダイオード封止材の製造>
実施例1と同様にして、厚み1100μmの発光ダイオード封止材を得た。
<発光ダイオード装置の製造>
実施例1と同様にして、発光ダイオード装置を製造した(図6参照)。
各実施例において、少ない作業工程で、簡易かつ精度よく、発光ダイオード装置を製造することができた。
Claims (6)
- 発光ダイオード封止層、および、前記発光ダイオード封止層に積層されるレンズ成形層を備えていることを特徴とする、発光ダイオード封止材。
- 前記発光ダイオード封止層が、蛍光体を含有するシリコーン樹脂からなることを特徴とする、請求項1に記載の発光ダイオード封止材。
- 前記レンズ成形層が、シリコーン樹脂からなることを特徴とする、請求項1または2に記載の発光ダイオード封止材。
- 前記発光ダイオード封止層と前記レンズ成形層との間に、さらに、変形防止層を備えていることを特徴とする、請求項1〜3のいずれか一項に記載の発光ダイオード封止材。
- 前記発光ダイオード封止層および前記レンズ成形層が、いずれも、硬化触媒により硬化するシリコーン樹脂からなり、
前記発光ダイオード封止層が、前記レンズ成形層よりも、硬化触媒を多く含有することを特徴とする、請求項1〜4のいずれか一項に記載の発光ダイオード封止材。 - 発光ダイオードが実装された基板を用意する工程と、
レンズ成形型を用意する工程と、
前記基板および前記レンズ成形型の間において、請求項1〜5のいずれか一項に記載の発光ダイオード封止材を、前記レンズ成形層が前記レンズ成形型と対向するように配置し、圧縮成形する工程と
を備えることを特徴とする、発光ダイオード装置の製造方法。
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