KR101077078B1 - 질화 갈륨계 화합물 반도체 발광소자 - Google Patents
질화 갈륨계 화합물 반도체 발광소자 Download PDFInfo
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- KR101077078B1 KR101077078B1 KR1020087028117A KR20087028117A KR101077078B1 KR 101077078 B1 KR101077078 B1 KR 101077078B1 KR 1020087028117 A KR1020087028117 A KR 1020087028117A KR 20087028117 A KR20087028117 A KR 20087028117A KR 101077078 B1 KR101077078 B1 KR 101077078B1
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- gallium nitride
- compound semiconductor
- light emitting
- nitride compound
- emitting device
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 138
- 229910002601 GaN Inorganic materials 0.000 title claims abstract description 113
- -1 Gallium nitride compound Chemical class 0.000 title claims abstract description 96
- 239000000758 substrate Substances 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims description 46
- 239000013078 crystal Substances 0.000 claims description 37
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910052594 sapphire Inorganic materials 0.000 claims description 12
- 239000010980 sapphire Substances 0.000 claims description 12
- 238000001039 wet etching Methods 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 6
- 235000011007 phosphoric acid Nutrition 0.000 claims description 5
- 229920002120 photoresistant polymer Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000001459 lithography Methods 0.000 description 9
- 238000005530 etching Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000001451 molecular beam epitaxy Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 125000002524 organometallic group Chemical group 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 2
- OTRPZROOJRIMKW-UHFFFAOYSA-N triethylindigane Chemical compound CC[In](CC)CC OTRPZROOJRIMKW-UHFFFAOYSA-N 0.000 description 2
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 2
- IBEFSUTVZWZJEL-UHFFFAOYSA-N trimethylindium Chemical compound C[In](C)C IBEFSUTVZWZJEL-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000001947 vapour-phase growth Methods 0.000 description 2
- 229910002711 AuNi Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 150000002291 germanium compounds Chemical class 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- QBJCZLXULXFYCK-UHFFFAOYSA-N magnesium;cyclopenta-1,3-diene Chemical compound [Mg+2].C1C=CC=[C-]1.C1C=CC=[C-]1 QBJCZLXULXFYCK-UHFFFAOYSA-N 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003287 optical effect Effects 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
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- H01L33/02—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 bodies
- H01L33/20—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 bodies with a particular shape, e.g. curved or truncated substrate
-
- 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
- H01L33/02—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 bodies
- H01L33/20—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 bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/22—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- 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
- H01L33/02—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 bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Weting (AREA)
Abstract
Description
Claims (15)
- 기판, 및 상기 기판 상에 적층된 질화 갈륨계 화합물 반도체층으로 이루어지는 발광소자로서:상기 발광소자의 평면 형상이 종횡의 변의 길이가 다른 직사각형이며, 상기 직사각형 장변측의 측면은 질화 갈륨 단결정 격자에 있어서 A면의 면방위를 갖고, 상기 질화 갈륨계 화합물 반도체층의 측면이 기판 주면에 대하여 경사진 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자.
- 제 1 항에 있어서,상기 질화 갈륨계 화합물 반도체층의 측면과 기판 주면의 각도 θ가 90°보다 작은 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자.
- 제 1 항에 있어서,상기 기판이 사파이어 C면인 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자.
- 삭제
- 제 1 항에 있어서,상기 발광소자의 장변의 길이가 50㎛∼2000㎛인 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자.
- 제 1 항에 있어서,상기 발광소자의 단변과 장변의 비가 1:10~4:5인 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자.
- 제 1 항에 있어서,정극 본딩 패드가 직사각형 장변의 중앙부에 위치하여 있는 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자.
- 기판, 및 상기 기판 상에 적층된 질화 갈륨계 화합물 반도체층으로 이루어지고, 평면 형상이 종횡의 변의 길이가 다른 직사각형이며, 상기 직사각형 장변측의 측면은 질화 갈륨 단결정 격자에 있어서 A면의 면방위를 갖고, 상기 질화 갈륨계 화합물 반도체층의 측면이 기판 주면에 대하여 경사진 발광소자의 제조방법으로서:상기 질화 갈륨계 화합물 반도체층의 표면측을 소정의 패턴을 가진 마스크로 덮는 공정;소자로 분할할 부위의 질화 갈륨계 화합물 반도체층을 레이저 또는 다이서를 이용하여 기판에 도달할 때까지 제거하는 공정;제거 후에 형성된 분할홈의 상기 질화 갈륨계 화합물 반도체층을 웨트 에칭처리하는 공정; 및각 소자로 분할하는 공정을 포함하는 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자의 제조방법.
- 제 8 항에 있어서,상기 마스크가 포토레지스트인 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자의 제조방법.
- 삭제
- 삭제
- 제 8 항에 있어서,상기 웨트 에칭처리를 오르토 인산을 사용하여 행하는 것을 특징으로 하는 질화 갈륨계 화합물 반도체 발광소자의 제조방법.
- 제 1 항에 기재된 질화 갈륨계 화합물 반도체 발광소자를 포함하는 것을 특징으로 하는 램프.
- 제 13 항에 기재된 램프가 조립되어 있는 것을 특징으로 하는 전자기기.
- 제 14 항에 기재된 전자기기가 조립되어 있는 것을 특징으로 하는 기계장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006163737A JP5250856B2 (ja) | 2006-06-13 | 2006-06-13 | 窒化ガリウム系化合物半導体発光素子の製造方法 |
JPJP-P-2006-163737 | 2006-06-13 |
Publications (2)
Publication Number | Publication Date |
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KR20080112385A KR20080112385A (ko) | 2008-12-24 |
KR101077078B1 true KR101077078B1 (ko) | 2011-10-26 |
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KR1020087028117A KR101077078B1 (ko) | 2006-06-13 | 2007-06-08 | 질화 갈륨계 화합물 반도체 발광소자 |
Country Status (7)
Country | Link |
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US (1) | US8188495B2 (ko) |
EP (1) | EP2031665B1 (ko) |
JP (1) | JP5250856B2 (ko) |
KR (1) | KR101077078B1 (ko) |
CN (1) | CN101467272B (ko) |
TW (1) | TW200818546A (ko) |
WO (1) | WO2007145300A1 (ko) |
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US7652299B2 (en) * | 2005-02-14 | 2010-01-26 | Showa Denko K.K. | Nitride semiconductor light-emitting device and method for fabrication thereof |
JP5326225B2 (ja) * | 2006-05-29 | 2013-10-30 | 日亜化学工業株式会社 | 窒化物半導体発光素子 |
JP2009246275A (ja) * | 2008-03-31 | 2009-10-22 | Showa Denko Kk | Iii族窒化物半導体発光素子及びランプ |
KR101118268B1 (ko) * | 2009-08-27 | 2012-03-20 | 한국산업기술대학교산학협력단 | 요철 패턴 기판 상의 고품질 비극성/반극성 반도체 소자 및 그 제조 방법 |
KR101082788B1 (ko) * | 2009-10-16 | 2011-11-14 | 한국산업기술대학교산학협력단 | 다공성 질화물 반도체 상의 고품질 비극성/반극성 반도체 소자 및 그 제조 방법 |
TWI422064B (zh) * | 2010-05-21 | 2014-01-01 | Lextar Electronics Corp | 發光二極體晶片及其製作方法 |
CN102064242B (zh) * | 2010-11-03 | 2012-08-15 | 中国科学院半导体研究所 | 高提取效率氮化镓发光二极管的制作方法 |
KR20180055922A (ko) * | 2011-05-25 | 2018-05-25 | 오스람 옵토 세미컨덕터스 게엠베하 | 광전 반도체 칩 |
JP2013157523A (ja) * | 2012-01-31 | 2013-08-15 | Toyoda Gosei Co Ltd | 半導体発光素子、半導体発光素子の製造方法および発光装置 |
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CN102709431A (zh) * | 2012-05-04 | 2012-10-03 | 施科特光电材料(昆山)有限公司 | 适用于大功率GaN基LED芯片的复合电极 |
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JP6265799B2 (ja) * | 2014-03-14 | 2018-01-24 | スタンレー電気株式会社 | 半導体発光装置 |
CN105098021A (zh) * | 2014-05-15 | 2015-11-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | 半导体发光器件 |
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JP7050250B2 (ja) * | 2020-02-07 | 2022-04-08 | 日亜化学工業株式会社 | 発光装置 |
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Also Published As
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EP2031665B1 (en) | 2016-08-10 |
US20090212319A1 (en) | 2009-08-27 |
EP2031665A1 (en) | 2009-03-04 |
JP5250856B2 (ja) | 2013-07-31 |
JP2007335529A (ja) | 2007-12-27 |
CN101467272A (zh) | 2009-06-24 |
CN101467272B (zh) | 2013-08-14 |
TW200818546A (en) | 2008-04-16 |
TWI347018B (ko) | 2011-08-11 |
EP2031665A4 (en) | 2013-09-04 |
WO2007145300A1 (ja) | 2007-12-21 |
US8188495B2 (en) | 2012-05-29 |
KR20080112385A (ko) | 2008-12-24 |
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