JP6846017B2 - 発光装置およびその製造方法 - Google Patents
発光装置およびその製造方法 Download PDFInfo
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- JP6846017B2 JP6846017B2 JP2018109977A JP2018109977A JP6846017B2 JP 6846017 B2 JP6846017 B2 JP 6846017B2 JP 2018109977 A JP2018109977 A JP 2018109977A JP 2018109977 A JP2018109977 A JP 2018109977A JP 6846017 B2 JP6846017 B2 JP 6846017B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000004065 semiconductor Substances 0.000 claims description 121
- 238000005530 etching Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 126
- 230000002093 peripheral effect Effects 0.000 description 30
- 238000000605 extraction Methods 0.000 description 29
- 239000000758 substrate Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011800 void material Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0137—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials the light-emitting regions comprising nitride materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/821—Bodies characterised by their shape, e.g. curved or truncated substrates of the light-emitting regions, e.g. non-planar junctions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/032—Manufacture or treatment of electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/034—Manufacture or treatment of coatings
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Description
図5は、図4におけるV−V断面図である。
Claims (6)
- n側コンタクト面を含むn型半導体層と、上面視において前記n型半導体層における前記n側コンタクト面を囲む領域に積層された発光層と、前記発光層上に設けられたp型半導体層と、を有する半導体積層体と、
前記n側コンタクト面に接するn側電極と、
前記p型半導体層上に設けられ、前記p型半導体層に接するp側電極と、
前記発光層の側面に向き合う絶縁膜と、
前記発光層の前記側面と前記絶縁膜との間に設けられ、前記発光層の前記側面が露出する空隙部と、
を備えた発光装置。 - 前記空隙部は前記n側コンタクト面の一部まで延び、前記n側コンタクト面の前記一部が前記空隙部に露出する請求項1記載の発光装置。
- 前記n型半導体層は、前記空隙部に露出する側面を有する請求項1または2に記載の発光装置。
- n型半導体層と、前記n型半導体層上に設けられた発光層、前記発光層上に設けられたp型半導体層とを有する半導体積層体に、前記p型半導体層および前記発光層が積層されたメサ部と、前記p型半導体層および前記発光層が除去されたn型半導体面とを形成する工程と、
前記メサ部の側面に、犠牲膜を形成する工程と、
前記犠牲膜上に、前記犠牲膜とは異なる材料の絶縁膜を形成する工程と、
前記犠牲膜を除去し、前記メサ部の前記側面と前記絶縁膜との間に、前記メサ部の前記側面が露出する空隙部を形成する工程と、
を備えた発光装置の製造方法。 - 前記n型半導体面の一部に接する電極膜を形成する工程をさらに備え、
前記犠牲膜は、前記n型半導体面における前記電極膜が接していない領域にも形成され、
前記電極膜の一部は、前記n型半導体面に形成された前記犠牲膜を覆い、
前記電極膜の前記一部に形成した開口を通じたエッチングにより前記犠牲膜を除去して、前記メサ部の前記側面および前記n型半導体面に前記空隙部を形成する請求項4記載の発光装置の製造方法。 - 前記犠牲膜はシリコン酸化膜であり、
前記絶縁膜はアルミニウム酸化膜であり、
フッ酸を含む蒸気を用いて前記犠牲膜を除去する請求項4または5に記載の発光装置の製造方法。
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JP2018109977A JP6846017B2 (ja) | 2018-06-08 | 2018-06-08 | 発光装置およびその製造方法 |
US16/425,855 US11094847B2 (en) | 2018-06-08 | 2019-05-29 | Light-emitting device having gap portion between portion of insulating film and side surface of light-emitting layer |
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JP2018109977A JP6846017B2 (ja) | 2018-06-08 | 2018-06-08 | 発光装置およびその製造方法 |
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JP2019212854A JP2019212854A (ja) | 2019-12-12 |
JP6846017B2 true JP6846017B2 (ja) | 2021-03-24 |
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Family Cites Families (18)
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JP3153727B2 (ja) * | 1995-04-11 | 2001-04-09 | 株式会社リコー | スーパールミネッセントダイオード |
JP4670151B2 (ja) * | 2001-01-12 | 2011-04-13 | 日亜化学工業株式会社 | 面発光型発光素子及びその製造方法 |
US6630689B2 (en) * | 2001-05-09 | 2003-10-07 | Lumileds Lighting, U.S. Llc | Semiconductor LED flip-chip with high reflectivity dielectric coating on the mesa |
JP5255745B2 (ja) | 2005-01-31 | 2013-08-07 | 三菱化学株式会社 | 窒化物半導体発光素子 |
US10586787B2 (en) * | 2007-01-22 | 2020-03-10 | Cree, Inc. | Illumination devices using externally interconnected arrays of light emitting devices, and methods of fabricating same |
DE102008019902A1 (de) * | 2007-12-21 | 2009-06-25 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement und Herstellungsverfahren für ein optoelektronisches Bauelement |
JP5123269B2 (ja) * | 2008-09-30 | 2013-01-23 | ソウル オプト デバイス カンパニー リミテッド | 発光素子及びその製造方法 |
US20100102338A1 (en) * | 2008-10-24 | 2010-04-29 | Epivalley Co., Ltd. | III-Nitride Semiconductor Light Emitting Device |
JP2010205793A (ja) | 2009-02-27 | 2010-09-16 | Nichia Corp | 半導体発光素子およびその製造方法 |
JP5719110B2 (ja) | 2009-12-25 | 2015-05-13 | 日亜化学工業株式会社 | 発光素子 |
JP2011165799A (ja) | 2010-02-08 | 2011-08-25 | Showa Denko Kk | フリップチップ型発光ダイオード及びその製造方法、並びに発光ダイオードランプ |
KR20110131977A (ko) * | 2010-06-01 | 2011-12-07 | 삼성엘이디 주식회사 | 발광소자, 이를 포함하는 조명장치 및 발광소자 제조방법. |
TW201234574A (en) * | 2011-02-01 | 2012-08-16 | Pinecone En Inc | Light-emitting-diode array and manufacturing method thereof |
JP5743806B2 (ja) | 2011-08-23 | 2015-07-01 | シャープ株式会社 | 窒化物半導体発光素子、窒化物半導体発光装置、及び窒化物半導体発光素子の製造方法 |
JP2013239471A (ja) | 2012-05-11 | 2013-11-28 | Mitsubishi Chemicals Corp | 発光ダイオード素子の製造方法 |
JP6136737B2 (ja) | 2013-08-09 | 2017-05-31 | 日亜化学工業株式会社 | 発光素子 |
JP2014064012A (ja) * | 2013-10-28 | 2014-04-10 | Toshiba Corp | 半導体発光素子及びその製造方法 |
JP6601243B2 (ja) | 2016-01-29 | 2019-11-06 | 日亜化学工業株式会社 | 発光素子及びその製造方法 |
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US20190378955A1 (en) | 2019-12-12 |
US11094847B2 (en) | 2021-08-17 |
JP2019212854A (ja) | 2019-12-12 |
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