JP6449333B2 - 半導体デバイス及び照明装置 - Google Patents
半導体デバイス及び照明装置 Download PDFInfo
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- JP6449333B2 JP6449333B2 JP2016569712A JP2016569712A JP6449333B2 JP 6449333 B2 JP6449333 B2 JP 6449333B2 JP 2016569712 A JP2016569712 A JP 2016569712A JP 2016569712 A JP2016569712 A JP 2016569712A JP 6449333 B2 JP6449333 B2 JP 6449333B2
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- 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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Description
Claims (20)
- 半導体デバイス(1)であって、
第1のピーク波長を有する1次放射を形成するために設けられた半導体チップ(2)と、該半導体チップ上に設けられた放射変換素子(3)とを有し、
・前記放射変換素子は、前記1次放射を、少なくとも部分的に、第2のピーク波長を有する2次放射へ変換する量子構造(30)と、前記1次放射に対して透過性を有する基板(35)とを有し、
・前記半導体デバイスは、第3のピーク波長を有する放射を発光するエミッタ(4)を有し、
・前記エミッタは別の放射変換素子(41)であり、
・前記放射変換素子と前記別の放射変換素子とは、前記半導体チップ上に上下方向に設けられており、
・前記別の放射変換素子は、蛍光物質を含むか、又は、別の基板(43)上に設けられた別の量子構造(42)を有し、かつ
・前記放射変換素子は出力構造(58)を有し、
前記出力構造は、前記基板の、前記量子構造に向かう側の面に設けられており、かつ前記基板の、パターニングされた成長面によって形成されている、
半導体デバイス。 - 前記放射変換素子は、AlxInyGa1−x−yN、又は、AlxInyGa1−x−yP、又は、AlxInyGa1−x−yAsを含む、
請求項1記載の半導体デバイス。 - 前記第1のピーク波長は前記第2のピーク波長より短い、
請求項1又は2記載の半導体デバイス。 - 前記半導体デバイスは、前記半導体チップと前記放射変換素子とに接するリフレクタ層(7)を有する、
請求項1から3までのいずれか1項記載の半導体デバイス。 - 前記半導体デバイスのケーシングボディを前記リフレクタ層によって形成する、
請求項4記載の半導体デバイス。 - 前記放射変換素子上に、波長選択性の透過率を有する誘電性コーティング(5)が設けられている、
請求項1から5までのいずれか1項記載の半導体デバイス。 - 前記放射変換素子上に散乱層(55)が設けられている、
請求項1から6までのいずれか1項記載の半導体デバイス。 - 前記量子構造は、前記基板の、前記半導体チップに向かう側の面に設けられている、
請求項1から7までのいずれか1項記載の半導体デバイス。 - 相互に異なるピーク波長を有する3つの放射成分が発光され、
該放射成分は、25nmから40nmの半値全幅を有する、
請求項1から8までのいずれか1項記載の半導体デバイス。 - 前記放射変換素子の基板は、前記半導体チップを少なくとも20%まで覆う、
請求項1から9までのいずれか1項記載の半導体デバイス。 - 前記放射変換素子は、固定層(8)によって、前記半導体チップに固定されている、
請求項1から10までのいずれか1項記載の半導体デバイス。 - 照明装置(11)であって、
請求項1から11までのいずれか1項記載の半導体デバイス(1)を少なくとも1つと、
前記半導体デバイスを上部に配置した接続支持体(15)と
を有する、照明装置。 - 前記照明装置は、ディスプレイ装置のバックライト用、プロジェクション用、撮影フラッシュ用、又は、ヘッドランプ用の照明装置として構成されている、
請求項12記載の照明装置。 - 半導体デバイス(1)であって、
第1のピーク波長を有する1次放射を形成するために設けられた半導体チップ(2)と、該半導体チップ上に設けられた放射変換素子(3)とを有し、
・前記半導体チップは、支持体(29)と、1次放射を形成する活性領域(20)を含む半導体ボディ(200)とを有し、前記半導体ボディは前記支持体上に設けられており、前記支持体および前記半導体ボディは、機械的に安定化されており、
・前記放射変換素子は、前記1次放射を、少なくとも部分的に、第2のピーク波長を有する2次放射へ変換する量子構造(30)と、前記1次放射に対して透過性を有する基板(35)とを有し、前記基板は、前記量子構造の機械的安定化に用いられ、
・前記量子構造は、複数の量子層(31)とその間に設けられたバリア層(32)とを有し、かつ電荷担体が閉じ込めによってそのエネルギ状態を量子化させる構造を形成しており、
・前記放射変換素子は、出力構造(58)を有し、
前記出力構造は、前記基板の、前記量子構造に向かう側の面に設けられており、かつ前記基板の、パターニングされた成長面によって形成されており、前記基板は、前記量子構造をエピタキシャルに堆積させるための成長基板である、
半導体デバイス。 - 前記半導体デバイスは、第3のピーク波長を放射するエミッタを有し、
・前記第1のピーク波長、前記第2のピーク波長および前記第3のピーク波長はそれぞれ相互に異なっており、
・前記エミッタは別の放射変換素子であり、
・前記放射変換素子と前記別の放射変換素子とは、横方向で重ならないように、前記半導体チップ上に設けられている、
請求項14記載の半導体デバイス。 - 動作中に生じる損失熱を効率的に放出させるために、前記量子構造を含む前記放射変換素子は、100nmから1μmの層厚さを有する、
請求項14または15記載の半導体デバイス。 - 前記半導体チップ(2)は、第1の接続面(25)および第2の接続面(26)を前記半導体チップの電気的接続のために有し、前記第1の接続面および前記第2の接続面は、前記半導体チップの同じ側の面に設けられている、
請求項14から16までのいずれか1項記載の半導体デバイス。 - 前記量子構造は、窒化物半導体材料をべースとしておりかつ光学的に励起された場合に緑色スペクトル領域の放射を放出する、エピタキシャルに成長された量子構造である、
請求項14から17までのいずれか1項記載の半導体デバイス。 - 前記半導体デバイスは、第3のピーク波長を放射するエミッタを有し、
・前記第1のピーク波長、前記第2のピーク波長および前記第3のピーク波長はそれぞれ相互に異なっており、
・前記エミッタは、光学的に励起された場合に放射を放出する別の放射変換素子である、
請求項14から17までのいずれか1項記載の半導体デバイス。 - 前記半導体デバイスは、第3のピーク波長を放射するエミッタを有し、
・前記第1のピーク波長、前記第2のピーク波長および前記第3のピーク波長はそれぞれ相互に異なっており、
・前記エミッタは、電気的に励起された場合に放射を放出する別の放射変換素子である、
請求項14から17までのいずれか1項記載の半導体デバイス。
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DE102014107472.6A DE102014107472A1 (de) | 2014-05-27 | 2014-05-27 | Halbleiterbauelement und Beleuchtungsvorrichtung |
DE102014107472.6 | 2014-05-27 | ||
PCT/EP2015/061388 WO2015181072A1 (de) | 2014-05-27 | 2015-05-22 | Halbleiterbauelement und beleuchtungsvorrichtung |
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JP (2) | JP6449333B2 (ja) |
KR (1) | KR20170013910A (ja) |
CN (1) | CN106415836B (ja) |
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-
2014
- 2014-05-27 DE DE102014107472.6A patent/DE102014107472A1/de not_active Withdrawn
-
2015
- 2015-05-22 US US15/307,815 patent/US10553748B2/en active Active
- 2015-05-22 CN CN201580028233.5A patent/CN106415836B/zh active Active
- 2015-05-22 JP JP2016569712A patent/JP6449333B2/ja active Active
- 2015-05-22 WO PCT/EP2015/061388 patent/WO2015181072A1/de active Application Filing
- 2015-05-22 DE DE112015002479.4T patent/DE112015002479B4/de active Active
- 2015-05-22 KR KR1020167036041A patent/KR20170013910A/ko unknown
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2018
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DE102014107472A1 (de) | 2015-12-03 |
US20170054054A1 (en) | 2017-02-23 |
WO2015181072A1 (de) | 2015-12-03 |
US20200135969A1 (en) | 2020-04-30 |
KR20170013910A (ko) | 2017-02-07 |
CN106415836B (zh) | 2020-01-17 |
JP6636124B2 (ja) | 2020-01-29 |
DE112015002479B4 (de) | 2022-03-31 |
DE112015002479A5 (de) | 2017-02-16 |
JP2019062220A (ja) | 2019-04-18 |
CN106415836A (zh) | 2017-02-15 |
US11393949B2 (en) | 2022-07-19 |
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US10553748B2 (en) | 2020-02-04 |
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