JP5666715B2 - オプトエレクトロニクス半導体チップおよびその製造方法 - Google Patents
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- H10H20/80—Constructional details
- H10H20/872—Periodic patterns for optical field-shaping, e.g. photonic bandgap structures
Description
成長基板を形成するステップと、
活性層および放射放出面を備える半導体積層体を、成長基板上に成長させるステップと、
放射放出面に第1のナノ構造化部を形成するステップと、
第1のナノ構造化部に変換層を導入するステップと、
を含んでいる。
成長基板の表面全体の上に、半導体積層体の第1の層を成長させるステップと、
半導体積層体の、構造化された第2の層を、マスク層によって成長させるステップと、
を含んでいる。
Claims (16)
- オプトエレクトロニクス半導体チップ(10)であって、
放射を生成する目的で設けられる活性層(2a)と、放射放出面(21)とを有する半導体積層体(2)と、
前記半導体積層体(2)の前記放射放出面(21)に配置されている変換層(3)と、
を備えており、
前記変換層(3)が、前記活性層(2a)によって放出される放射の少なくとも一部分を異なる波長の放射に変換するのに適しており、
前記半導体積層体(2)の前記放射放出面(21)が第1のナノ構造化部(4)を有し、
前記変換層(3)が、前記第1のナノ構造化部(4)の上面には前記変換層(3)が存在せず、かつ、前記第1のナノ構造化部(4)が前記変換層(3)で完全に充填されるように、前記第1のナノ構造化部(4)に配置され、
前記第1のナノ構造化部(4)が複数のナノロッドおよび凹部からなり、
前記活性層(2a)が、前記第1のナノ構造化部(4)の上面に前記活性層(2a)が存在しないように、前記第1のナノ構造化部(4)の側面および底面に沿って配置されている、
オプトエレクトロニクス半導体チップ(10)。 - 前記半導体積層体(2)とは反対側の前記変換層(3)の面と、前記半導体積層体(2)の前記放射放出面(21)とが互いにシームレスに結合されるように、前記変換層(3)と前記半導体積層体(2)との組み合わせは、平面状に形成されており、
前記活性層(2a)は、横断面で見たときに長方形の鋸歯パターン状に形成されている、
請求項1に記載の半導体チップ(10)。 - 前記第1のナノ構造化部(4)が複数のナノロッドとして形成され、
前記ナノロッドは、10nm〜200nmの範囲内の直径を有する、円形または長方形のGaN柱であり、
前記半導体積層体(2)は、In x Ga y Al 1−x−y N(0≦x、y≦1、x+y≦1)材料系から作られている、
請求項1または請求項2のいずれかに記載の半導体チップ(10)。 - 前記変換層(3)の材料の屈折率は、前記半導体積層体(2)の材料の屈折率より大きい、
請求項1から請求項3のいずれかに記載の半導体チップ(10)。 - 前記変換層(3)が、複数のナノロッドを備えた第2のナノ構造化部(5)として形成されている、
請求項1から請求項4のいずれかに記載の半導体チップ(10)。 - 前記第1のナノ構造化部(4)と前記第2のナノ構造化部(5)が、互いに係合するように、互いに配置され、
前記第1のナノ構造化部(4)と前記第2のナノ構造化部(5)が横断面で見たときに櫛状に形成されている、
請求項5に記載の半導体チップ(10)。 - 前記活性層(2a)は、連続的な層によってではなく、半円柱または半円錐台の周囲面の形を有する個別の個々の領域によって形成されている、
請求項5または6に記載の半導体チップ(10)。 - 前記第2のナノ構造化部(5)は、横方向の一連の層として、または高屈折率の材料に埋め込まれた変換粒子として、または埋め込まれた高屈折率の変換粒子として、形成され、
前記半導体チップ(10)は、GaN系半導体チップであり、高屈折率材料である、
請求項5から請求項7のいずれかに記載の半導体チップ(10)。 - 前記第1のナノ構造化部(4)および前記第2のナノ構造化部(5)が、それぞれ、100nm〜1μmの範囲内(両端値を含む)の高さを有し、
シリコーン層であるカバー層(8)が、前記半導体チップ(10)の前記放射放出面(21)の下流に配置される、
請求項1から請求項8のいずれかに記載の半導体チップ(10)。 - 前記半導体積層体(2)の前記活性層(2a)が、部分的に、前記第1のナノ構造化部(4)の領域に形成されている、
請求項1から請求項9のいずれかに記載の半導体チップ(10)。 - 前記変換層(3)および前記半導体積層体(2)が、光学的および熱的に結合されている、
請求項1から請求項10のいずれかに記載の半導体チップ(10)。 - 前記半導体チップ(10)は、上に前記半導体積層体(2)をエピタキシャル成長させた成長基板が存在しない薄膜チップであり、
前記半導体チップ(10)は、前記半導体積層体(2)を機械的に安定させるため、キャリア基板を有する、
請求項1から請求項11のいずれかに記載の半導体チップ(10)。 - 請求項1から請求項12のいずれかに記載の半導体チップ(10)を製造する方法であって、
成長基板(1)を形成するステップと、
活性層(2a)および放射放出面(21)を備える半導体積層体(2)を、前記成長基板(1)の上に成長させるステップと、
前記放射放出面(21)に第1のナノ構造化部(4)を形成するステップと、
前記第1のナノ構造化部(4)に変換層(3)を導入するステップと、
を含んでいる、方法。 - 前記半導体積層体(2)を成長させる前記ステップと、前記第1のナノ構造化部(4)を形成する前記ステップとが、
前記成長基板(1)の表面全体の上に、前記半導体積層体(2)の第1の層(2b)を成長させるステップと、
前記半導体積層体(2)の、構造化された第2の層(2c)を、マスク層によって成長させるステップと、
を含んでいる、請求項13に記載の方法。 - 前記半導体積層体(2)を成長させる前記ステップと、前記第1のナノ構造化部(4)を形成する前記ステップとが、
前記成長基板(1)の表面全体の上に、前記半導体積層体(2)を成長させるステップと、
凹部(6)を形成することによって前記半導体積層体(2)を後から構造化させるステップと、
を含んでいる、請求項13に記載の方法。 - 前記変換層(3)を導入するステップが、
前記第1のナノ構造化部(4)に変換要素(3b)を導入し、次いで、前記第1のナノ構造化部(4)にマトリックス材料(3c)を加えるステップ、または、
前記変換層(3)をレーザ蒸着手順によって形成するステップ、またはその両方を含んでいる、請求項13から請求項15のいずれかに記載の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010051286A DE102010051286A1 (de) | 2010-11-12 | 2010-11-12 | Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung |
| DE102010051286.9 | 2010-11-12 | ||
| PCT/EP2011/069247 WO2012062635A1 (de) | 2010-11-12 | 2011-11-02 | Optoelektronischer halbleiterchip und verfahren zu dessen herstellung |
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| Publication Number | Publication Date |
|---|---|
| JP2013542616A JP2013542616A (ja) | 2013-11-21 |
| JP5666715B2 true JP5666715B2 (ja) | 2015-02-12 |
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| JP2013538131A Active JP5666715B2 (ja) | 2010-11-12 | 2011-11-02 | オプトエレクトロニクス半導体チップおよびその製造方法 |
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|---|---|
| US (1) | US8969900B2 (ja) |
| EP (1) | EP2638575B1 (ja) |
| JP (1) | JP5666715B2 (ja) |
| KR (1) | KR101468348B1 (ja) |
| CN (1) | CN103190003B (ja) |
| DE (1) | DE102010051286A1 (ja) |
| WO (1) | WO2012062635A1 (ja) |
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| JP4193471B2 (ja) * | 2001-12-14 | 2008-12-10 | 日亜化学工業株式会社 | 発光装置およびその製造方法 |
| US6885033B2 (en) * | 2003-03-10 | 2005-04-26 | Cree, Inc. | Light emitting devices for light conversion and methods and semiconductor chips for fabricating the same |
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| US7768023B2 (en) * | 2005-10-14 | 2010-08-03 | The Regents Of The University Of California | Photonic structures for efficient light extraction and conversion in multi-color light emitting devices |
| US20060192225A1 (en) * | 2005-02-28 | 2006-08-31 | Chua Janet B Y | Light emitting device having a layer of photonic crystals with embedded photoluminescent material and method for fabricating the device |
| EP2410582B1 (en) * | 2005-05-24 | 2019-09-04 | LG Electronics Inc. | Nano rod type light emitting diode and method for fabricating a nano rod type light emitting diode |
| KR101186683B1 (ko) * | 2005-06-25 | 2012-09-28 | 서울옵토디바이스주식회사 | 질화물 양자웰을 갖는 나노 구조체 및 그것을 채택한발광다이오드 |
| US7321193B2 (en) * | 2005-10-31 | 2008-01-22 | Osram Opto Semiconductors Gmbh | Device structure for OLED light device having multi element light extraction and luminescence conversion layer |
| US8330348B2 (en) | 2005-10-31 | 2012-12-11 | Osram Opto Semiconductors Gmbh | Structured luminescence conversion layer |
| KR100746784B1 (ko) | 2006-03-02 | 2007-08-06 | 엘지전자 주식회사 | 나노선을 갖는 발광 소자 및 그의 제조 방법 |
| KR100723233B1 (ko) * | 2006-03-31 | 2007-05-29 | 삼성전기주식회사 | 백색 발광 소자 |
| JP4837045B2 (ja) * | 2006-10-12 | 2011-12-14 | パナソニック株式会社 | 発光装置及びその製造方法 |
| KR100872281B1 (ko) * | 2006-12-15 | 2008-12-05 | 삼성전기주식회사 | 나노와이어 구조체를 이용한 반도체 발광소자 및 그제조방법 |
| DE102007003785A1 (de) * | 2007-01-19 | 2008-07-24 | Merck Patent Gmbh | Emitter-converter-chip |
| JPWO2009004739A1 (ja) * | 2007-06-29 | 2010-08-26 | アーベル・システムズ株式会社 | 蛍光灯型led照明装置 |
| US7863635B2 (en) | 2007-08-07 | 2011-01-04 | Cree, Inc. | Semiconductor light emitting devices with applied wavelength conversion materials |
| DE102007052181A1 (de) | 2007-09-20 | 2009-04-02 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement und Verfahren zur Herstellung eines optoelektronischen Bauelements |
| DE102008022542A1 (de) * | 2008-05-07 | 2009-11-12 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes Bauelement und Verfahren zu dessen Herstellung |
| JP2012530373A (ja) * | 2009-06-19 | 2012-11-29 | セレン フォトニクス リミテッド | 発光ダイオード |
| US8232568B2 (en) | 2009-08-21 | 2012-07-31 | Bridgelux, Inc. | High brightness LED utilizing a roughened active layer and conformal cladding |
| JP5527327B2 (ja) * | 2009-10-30 | 2014-06-18 | 日本電気株式会社 | 発光素子、光源装置及び投射型表示装置 |
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- 2011-11-02 JP JP2013538131A patent/JP5666715B2/ja active Active
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- 2011-11-02 US US13/883,346 patent/US8969900B2/en active Active
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- 2011-11-02 EP EP11776465.4A patent/EP2638575B1/de active Active
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| US20130328066A1 (en) | 2013-12-12 |
| CN103190003B (zh) | 2016-08-10 |
| JP2013542616A (ja) | 2013-11-21 |
| US8969900B2 (en) | 2015-03-03 |
| EP2638575B1 (de) | 2016-10-12 |
| KR20130108607A (ko) | 2013-10-04 |
| DE102010051286A1 (de) | 2012-05-16 |
| EP2638575A1 (de) | 2013-09-18 |
| WO2012062635A1 (de) | 2012-05-18 |
| KR101468348B1 (ko) | 2014-12-03 |
| CN103190003A (zh) | 2013-07-03 |
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