JP5619546B2 - 発光素子及びその製造方法 - Google Patents
発光素子及びその製造方法 Download PDFInfo
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- JP5619546B2 JP5619546B2 JP2010206939A JP2010206939A JP5619546B2 JP 5619546 B2 JP5619546 B2 JP 5619546B2 JP 2010206939 A JP2010206939 A JP 2010206939A JP 2010206939 A JP2010206939 A JP 2010206939A JP 5619546 B2 JP5619546 B2 JP 5619546B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 144
- 239000002245 particle Substances 0.000 claims description 76
- 239000004065 semiconductor Substances 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 238000001020 plasma etching Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000002019 doping agent Substances 0.000 description 12
- 238000009826 distribution Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910002704 AlGaN Inorganic materials 0.000 description 6
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004038 photonic crystal Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—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
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/508—Wavelength conversion elements having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer, wavelength conversion layer with a concentration gradient of the wavelength conversion material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0083—Periodic patterns for optical field-shaping in or on the semiconductor body or semiconductor body package, e.g. photonic bandgap structures
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Description
110 基板
120 第1導電型半導体層
130 活性層
140 第2導電型半導体層
150 蛍光体層
Claims (13)
- 基板;
前記基板上に形成された第1導電型半導体層;
前記第1導電型半導体層上に形成された活性層;
前記活性層上に形成された第2導電型半導体層;及び
前記第2導電型半導体層に直接接触する蛍光体層を含み;
前記蛍光体層は、複数のキャビティ及び複数の蛍光体粒子を含み、
前記複数のキャビティ及び前記複数の蛍光体粒子は互いに整合する形状を有し、前記複数の蛍光体粒子の各々は、前記複数のキャビティのうち該蛍光体粒子に対応する1つのキャビティに位置し、
前記複数の蛍光体粒子の各々は、
蛍光体と樹脂とを混合して形成された蛍光体混合液を、前記蛍光体粒子の形状に対応するように成形枠に形成された凹部に注入する段階と、
前記成形枠の前記凹部に注入された前記蛍光体混合液を硬化させる段階と、
前記成形枠の前記凹部から前記硬化された前記蛍光体混合液を分離する段階と、
を実行することにより形成されたものである、発光素子。 - 前記蛍光体層は、前記第2導電型半導体層上に直接的に形成されたことを特徴とする請求項1に記載の発光素子。
- 前記複数の蛍光体粒子の各々は、前記複数のキャビティのうち該蛍光体粒子に対応する1つのキャビティに固定されたことを特徴とする請求項1に記載の発光素子。
- 前記複数の蛍光体粒子は、樹脂を用いて固定されることを特徴とする請求項3に記載の発光素子。
- 前記複数のキャビティ各々及び前記複数の蛍光体粒子各々は球形の形状であることを特徴とする請求項1に記載の発光素子。
- 前記複数のキャビティはお互いに均等な距離に離れて位置することを特徴とする請求項1に記載の発光素子。
- 前記複数のキャビティの各々の幅は、10μmより大きいことを特徴とする請求項1に記載の発光素子。
- 前記複数の蛍光体粒子の各々及び前記複数のキャビティの各々は、球形、卵円形、あるいは、六面体、四面体、八面体などの多角形形態のいずれかに形成されることを特徴とする請求項1に記載の発光素子。
- 前記複数の蛍光体粒子は、蛍光体及び樹脂を含むことを特徴とする請求項1に記載の発光素子。
- 基板上に第1導電型半導体層を形成する段階;
前記第1導電型半導体層上に活性層を形成する段階;
前記活性層上に第2導電型半導体層を形成する段階;
前記第2導電型半導体層に直接接触させるように蛍光体層を形成する段階;及び
複数の蛍光体粒子を形成する段階;を含み、
前記蛍光体層は、複数のキャビティ及び前記複数の蛍光体粒子を含み、
前記複数のキャビティ及び前記複数の蛍光体粒子は、互いに整合する形状を有し、
前記複数の蛍光体粒子の各々は、前記複数のキャビティのうち該蛍光体粒子に対応する1つのキャビティに配置され、
前記複数の蛍光体粒子を形成する段階は、
蛍光体と樹脂を混合して蛍光体混合液を形成する段階;
前記蛍光体混合液を前記蛍光体粒子の形状に対応する凹部が形成された成形枠に注入する段階;
前記成形枠に注入された前記蛍光体混合液を硬化させる段階;及び
前記成形枠から前記硬化された蛍光体粒子を分離する段階を含むことを特徴とする発光素子製造方法。 - 前記蛍光体層を形成する段階は、前記複数の蛍光体粒子の各々を前記複数のキャビティのうち該蛍光体粒子に対応する1つのキャビティに固定する段階を含むことを特徴とする請求項10に記載の発光素子製造方法。
- 前記蛍光体層を形成する段階は、前記複数の蛍光体粒子を樹脂を用いて固定する段階をさらに含むことを特徴とする請求項11に記載の発光素子製造方法。
- 前記蛍光体層を形成する段階は、RIE(Reactive Ion Etching)方式や、ナノインプリント方式、テープ接着方式のうちで少なくとも一つを使って前記複数のキャビティを形成する段階を含むことを特徴とする請求項10に記載の発光素子製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090109369A KR101020998B1 (ko) | 2009-11-12 | 2009-11-12 | 발광소자 및 그 제조방법 |
KR10-2009-0109369 | 2009-11-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011109070A JP2011109070A (ja) | 2011-06-02 |
JP5619546B2 true JP5619546B2 (ja) | 2014-11-05 |
Family
ID=43480676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010206939A Active JP5619546B2 (ja) | 2009-11-12 | 2010-09-15 | 発光素子及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8405095B2 (ja) |
EP (1) | EP2323185B1 (ja) |
JP (1) | JP5619546B2 (ja) |
KR (1) | KR101020998B1 (ja) |
CN (1) | CN102088057B (ja) |
TW (1) | TWI497774B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101726807B1 (ko) * | 2010-11-01 | 2017-04-14 | 삼성전자주식회사 | 반도체 발광소자 |
JP5864367B2 (ja) * | 2011-06-16 | 2016-02-17 | 日東電工株式会社 | 蛍光接着シート、蛍光体層付発光ダイオード素子、発光ダイオード装置およびそれらの製造方法 |
CN103258942A (zh) * | 2012-02-20 | 2013-08-21 | 联胜(中国)科技有限公司 | 光学结构体以及发光装置 |
US9193645B2 (en) | 2012-08-31 | 2015-11-24 | Exxonmobil Chemical Patents Inc. | Xylene isomerization process and catalyst therefor |
CN103137840A (zh) * | 2013-02-27 | 2013-06-05 | 中国科学院半导体研究所 | 一种白光发光二极管及其制作方法 |
JP6307703B2 (ja) * | 2013-05-31 | 2018-04-11 | パナソニックIpマネジメント株式会社 | 波長変換素子、波長変換素子を備えた発光装置、発光装置を備えた車両、および波長変換素子の製造方法 |
WO2016175513A1 (ko) * | 2015-04-27 | 2016-11-03 | 루미마이크로 주식회사 | 발광다이오드장치 및 그 제조방법과 이에 사용되는 몰드 |
US11271143B2 (en) | 2019-01-29 | 2022-03-08 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
US11156759B2 (en) | 2019-01-29 | 2021-10-26 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
US11302248B2 (en) | 2019-01-29 | 2022-04-12 | Osram Opto Semiconductors Gmbh | U-led, u-led device, display and method for the same |
US11610868B2 (en) | 2019-01-29 | 2023-03-21 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
US11538852B2 (en) | 2019-04-23 | 2022-12-27 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
WO2020229576A2 (de) * | 2019-05-14 | 2020-11-19 | Osram Opto Semiconductors Gmbh | Beleuchtungseinheit, verfahren zur herstellung einer beleuchtungseinheit, konverterelement für ein opto-elektronisches bauelement, strahlungsquelle mit einer led und einem konverterelement, auskoppelstruktur, und optoelektronische vorrichtung |
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TW383508B (en) * | 1996-07-29 | 2000-03-01 | Nichia Kagaku Kogyo Kk | Light emitting device and display |
JP4822482B2 (ja) | 2001-05-23 | 2011-11-24 | シチズン電子株式会社 | 発光ダイオードおよびその製造方法 |
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 |
JP4124056B2 (ja) | 2003-08-14 | 2008-07-23 | 昭栄化学工業株式会社 | 蛍光体粉末の製造方法 |
WO2005022654A2 (en) * | 2003-08-28 | 2005-03-10 | Matsushita Electric Industrial Co.,Ltd. | Semiconductor light emitting device, light emitting module, lighting apparatus, display element and manufacturing method of semiconductor light emitting device |
US7597814B2 (en) | 2004-03-23 | 2009-10-06 | Hewlett Packard Development Company, L.P. | Structure formed with template having nanoscale features |
TW200614548A (en) * | 2004-07-09 | 2006-05-01 | Matsushita Electric Ind Co Ltd | Light-emitting device |
US7352011B2 (en) * | 2004-11-15 | 2008-04-01 | Philips Lumileds Lighting Company, Llc | Wide emitting lens for LED useful for backlighting |
JP2007059418A (ja) | 2005-08-22 | 2007-03-08 | Showa Denko Kk | 窒化ガリウム系化合物半導体発光素子 |
JP4984824B2 (ja) * | 2006-10-26 | 2012-07-25 | 豊田合成株式会社 | 発光装置 |
JP5152687B2 (ja) | 2006-12-07 | 2013-02-27 | 日本電気硝子株式会社 | 発光色変換材料 |
US7514282B2 (en) * | 2007-01-04 | 2009-04-07 | Sharp Laboratories Of America, Inc. | Patterned silicon submicron tubes |
KR101259122B1 (ko) * | 2007-01-26 | 2013-04-26 | 엘지전자 주식회사 | 수직형 발광 소자 및 그 제조 방법 |
JP5229770B2 (ja) * | 2007-03-22 | 2013-07-03 | 株式会社フジクラ | サイアロン蛍光体 |
KR20090002835A (ko) * | 2007-07-04 | 2009-01-09 | 엘지전자 주식회사 | 질화물계 발광 소자 및 그 제조방법 |
US7863635B2 (en) * | 2007-08-07 | 2011-01-04 | Cree, Inc. | Semiconductor light emitting devices with applied wavelength conversion materials |
KR100936001B1 (ko) * | 2007-12-17 | 2010-01-08 | 삼성전기주식회사 | 질화물 반도체 발광소자 및 그 제조 방법 |
JP2009200172A (ja) | 2008-02-20 | 2009-09-03 | Sharp Corp | 光半導体装置の製造方法、および光半導体装置の製造装置 |
JP2009260053A (ja) | 2008-04-17 | 2009-11-05 | Nichia Corp | 発光装置 |
US20100207511A1 (en) * | 2009-02-19 | 2010-08-19 | Mitsunori Harada | Semiconductor light emitting device |
-
2009
- 2009-11-12 KR KR1020090109369A patent/KR101020998B1/ko active IP Right Grant
-
2010
- 2010-08-30 US US12/871,397 patent/US8405095B2/en active Active
- 2010-09-10 TW TW099130591A patent/TWI497774B/zh active
- 2010-09-15 JP JP2010206939A patent/JP5619546B2/ja active Active
- 2010-09-20 EP EP10177748.0A patent/EP2323185B1/en active Active
- 2010-11-05 CN CN201010538785.XA patent/CN102088057B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2323185B1 (en) | 2018-02-14 |
TW201119094A (en) | 2011-06-01 |
JP2011109070A (ja) | 2011-06-02 |
CN102088057A (zh) | 2011-06-08 |
US20110108867A1 (en) | 2011-05-12 |
US8405095B2 (en) | 2013-03-26 |
TWI497774B (zh) | 2015-08-21 |
EP2323185A3 (en) | 2014-02-26 |
KR101020998B1 (ko) | 2011-03-09 |
CN102088057B (zh) | 2016-05-04 |
EP2323185A2 (en) | 2011-05-18 |
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