JP6628727B2 - 加工されたサブストレートを用いた半導体発光デバイス及びその製造方法 - Google Patents
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- 239000000758 substrate Substances 0.000 title claims description 84
- 239000004065 semiconductor Substances 0.000 title claims description 47
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- 238000006243 chemical reaction Methods 0.000 claims description 23
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- 238000005530 etching Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 48
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- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 230000005855 radiation Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
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- 239000002019 doping agent Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
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- 239000000203 mixture Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- -1 thickness Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 239000002096 quantum dot Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 238000001652 electrophoretic deposition Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- 230000031700 light absorption Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
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- 239000002159 nanocrystal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 238000007650 screen-printing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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- 239000012780 transparent material Substances 0.000 description 1
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- 239000011787 zinc oxide Substances 0.000 description 1
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- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
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Description
Claims (12)
- サブストレートと、
前記サブストレート上に配置された半導体構造体であり、n型領域とp型領域との間に配置された発光レイヤを含む、半導体構造体と、
を含む、デバイスであって、
前記サブストレートは、第1側壁と第2側壁を含み、
第1側壁と第2側壁は、前記半導体構造体の主要面に関して異なる角度で配置されており、
前記第1側壁は、前記半導体構造体の主要面と直角を形成し、かつ、前記第2側壁は、前記半導体構造体の主要面と鋭角を形成し、それにより、前記サブストレートの断面は直角三角形を形成しており、
反射性レイヤが、前記第1側壁の上に配置されており、
前記サブストレートと前記半導体構造体は、マウントにおけるキャビティの中に配置されており、
前記キャビティは、前記サブストレートと前記半導体構造体を受け入れるように形成されており、
前記第2側壁は、前記マウントの上面と平行であり、かつ、
前記サブストレートは、前記マウントの上面に対して傾斜しており、
前記デバイスは、さらに、
前記第2側壁の上に配置された波長変換レイヤを含む、
デバイス。 - 前記第2側壁を通じて、前記サブストレートから光が取り出される、
請求項1に記載のデバイス。 - 前記第2側壁は、前記第1側壁よりも大きな面積を有する、
請求項1に記載のデバイス。 - 前記半導体構造体は、第1長辺、第2長辺、および、第1長辺と第2長辺をつなぐ短辺を含み、
前記第1側壁は、前記第1長辺に沿って配置され、かつ、前記第2側壁は、前記第2長辺に沿って配置されている、
請求項1に記載のデバイス。 - 前記サブストレートの厚みは、少なくとも500ミクロンである、
請求項1に記載のデバイス。 - 前記デバイスは、さらに、
前記第2側壁の上に配置された波長変換レイヤと、
前記波長変換レイヤを取り囲こむ前記マウントの上面の上に配置された反射性レイヤと、
を含む、請求項1に記載のデバイス。 - 前記サブストレートと前記半導体サブストレートは、第1サブストレートと第1半導体構造体であり、
前記デバイスは、さらに、
第2サブストレートと、
前記第2サブストレート上に配置された第2半導体構造体であり、n型領域とp型領域との間に配置された発光レイヤを含む、第2半導体構造体と、を含み、
前記第2サブストレートは、第1側壁と第2側壁を含み、
第1側壁と第2側壁は、前記半導体構造体の主要面に関して異なる角度で配置されており、かつ、
前記第1サブストレートの前記第1側壁が、前記第2サブストレートの前記第1側壁に面している、
請求項1に記載のデバイス。 - 前記第1側壁は、テクスチャ処理されている、
請求項1に記載のデバイス。 - 前記第1側壁と前記第2側壁は、擬角柱の一部を形成している、
請求項1に記載のデバイス。 - サブストレート上に半導体構造体を成長させるステップであり、前記半導体構造体は、n型領域とp型領域との間に配置されたIII族窒化物発光レイヤを含む、ステップと、
第1側壁と第2側壁を形成するように前記サブストレートを加工するステップであり、前記第1側壁と前記第2側壁は、前記半導体構造体の主要面に関して異なる角度で配置されており、前記第1側壁は、前記半導体構造体の主要面と直角を形成する、ステップと、
前記第1側壁の上に反射性レイヤを形成するステップと、
を含み、
前記第2側壁は、前記半導体構造体の主要面と鋭角を形成し、それにより、前記サブストレートの断面は直角三角形を形成しており、
前記サブストレートと前記半導体構造体は、マウントにおけるキャビティの中に配置されており、
前記キャビティは、前記サブストレートと前記半導体構造体を受け入れるように形成されており、
前記第2側壁は、前記マウントの上面と平行であり、
前記サブストレートは、前記マウントの上面に対して傾斜しており、かつ、
前記第2側壁の上に波長変換レイヤが配置されている、
方法。 - 前記加工するステップは、前記半導体構造体の成長の後で、前記サブストレートをエッチングするステップ、を含む、
請求項10に記載の方法。 - 前記方法は、さらに、
前記第1側壁をテクスチャ処理するステップ、を含む
請求項10に記載の方法。
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US201461923908P | 2014-01-06 | 2014-01-06 | |
US61/923,908 | 2014-01-06 | ||
PCT/IB2014/066831 WO2015101854A1 (en) | 2014-01-06 | 2014-12-12 | Semiconductor light emitting device with shaped substrate and method of manufacturing the same |
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EP0397911A1 (de) * | 1989-05-19 | 1990-11-22 | Siemens Aktiengesellschaft | Optoelektronisches Halbleiterbauelement |
JP3326545B2 (ja) * | 1994-09-30 | 2002-09-24 | ローム株式会社 | 半導体発光素子 |
JP4453200B2 (ja) * | 2000-12-27 | 2010-04-21 | 日亜化学工業株式会社 | チップ型発光装置及びそれを用いた面状発光装置 |
JP4690563B2 (ja) * | 2001-03-02 | 2011-06-01 | シチズン電子株式会社 | 発光ダイオード |
EP1536487A4 (en) * | 2002-05-28 | 2008-02-06 | Matsushita Electric Works Ltd | LIGHT EMISSION ELEMENT, LIGHT EMITTING DEVICE AND THIS USE SURFACE EMISSION LIGHTING DEVICE |
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2014
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- 2014-12-12 US US15/108,922 patent/US10090436B2/en active Active
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TWI644457B (zh) | 2018-12-11 |
KR102307081B1 (ko) | 2021-10-05 |
WO2015101854A1 (en) | 2015-07-09 |
TW201533933A (zh) | 2015-09-01 |
CN105849915B (zh) | 2019-04-02 |
US20160329464A1 (en) | 2016-11-10 |
US10090436B2 (en) | 2018-10-02 |
EP3092663A1 (en) | 2016-11-16 |
CN105849915A (zh) | 2016-08-10 |
JP2017501588A (ja) | 2017-01-12 |
KR20160106151A (ko) | 2016-09-09 |
EP3092663B1 (en) | 2021-09-15 |
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