KR100755591B1 - 질화물계 발광소자의 제조방법 - Google Patents
질화물계 발광소자의 제조방법 Download PDFInfo
- Publication number
- KR100755591B1 KR100755591B1 KR1020060056373A KR20060056373A KR100755591B1 KR 100755591 B1 KR100755591 B1 KR 100755591B1 KR 1020060056373 A KR1020060056373 A KR 1020060056373A KR 20060056373 A KR20060056373 A KR 20060056373A KR 100755591 B1 KR100755591 B1 KR 100755591B1
- Authority
- KR
- South Korea
- Prior art keywords
- nitride
- light emitting
- based light
- layer
- emitting device
- Prior art date
Links
- 150000004767 nitrides Chemical class 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 239000004065 semiconductor Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000001039 wet etching Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 179
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 19
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 238000002834 transmittance Methods 0.000 claims description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 239000011777 magnesium Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003929 acidic solution Substances 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 229910052790 beryllium Inorganic materials 0.000 claims description 4
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 235000002906 tartaric acid Nutrition 0.000 claims description 4
- 239000011975 tartaric acid Substances 0.000 claims description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 4
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910017855 NH 4 F Inorganic materials 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 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 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 6
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims 2
- 235000011054 acetic acid Nutrition 0.000 claims 2
- 229910006404 SnO 2 Inorganic materials 0.000 claims 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims 1
- 229910001887 tin oxide Inorganic materials 0.000 claims 1
- 238000000137 annealing Methods 0.000 abstract 1
- 229910002601 GaN Inorganic materials 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 239000010408 film Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000000059 patterning Methods 0.000 description 10
- 238000001878 scanning electron micrograph Methods 0.000 description 9
- 229910002704 AlGaN Inorganic materials 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 6
- 238000000313 electron-beam-induced deposition Methods 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OORRCVPWRPVJEK-UHFFFAOYSA-N 2-oxidanylethanoic acid Chemical compound OCC(O)=O.OCC(O)=O OORRCVPWRPVJEK-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- YBCVMFKXIKNREZ-UHFFFAOYSA-N acoh acetic acid Chemical compound CC(O)=O.CC(O)=O YBCVMFKXIKNREZ-UHFFFAOYSA-N 0.000 description 2
- 238000000089 atomic force micrograph Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000004630 atomic force microscopy Methods 0.000 description 1
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- XVVLAOSRANDVDB-UHFFFAOYSA-N formic acid Chemical compound OC=O.OC=O XVVLAOSRANDVDB-UHFFFAOYSA-N 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- NIFHFRBCEUSGEE-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O.OC(=O)C(O)=O NIFHFRBCEUSGEE-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
Images
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
- H01L33/02—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
- H01L33/36—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 electrodes
- H01L33/40—Materials therefor
- H01L33/42—Transparent materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Weting (AREA)
Abstract
Description
Claims (13)
- n형 반도체층과 p형 반도체층을 포함하는 질화물계 발광체층을 형성하는 단계;상기 질화물계 발광체층의 상부에 광투과율이 85% 이상인 투명도전층을 형성하는 단계;상기 투명도전층의 표면을 산도(pH) 6 내지 6.5인 산성용액으로 습식에칭처리하여 표면에 직경이 250 내지 1000 ㎚인 복수개의 돌출부를 형성하는 단계; 및상기 복수개의 돌출부를 결정화하기 위하여 열처리하는 단계;를 포함하는 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 질화물계 발광체층은 근자외선 파장의 빛을 내는 구조체로서, 기판, n형 반도체층, 활성층 및 p형 반도체층이 순차적으로 적층되어 있는 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 2 항에 있어서,상기 기판과 n형 반도체층의 사이에는 완충층이 더 개재되어 있는 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 n형 반도체층은 갈륨나이트라이드(GaN)에 규소(Si), 게루마늄(Ge), 셀륨(Se) 및 텔륨(Te)으로 이루어진 군에서 선택된 어느 하나가 도핑(doping)된 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 p형 반도체층은 갈륨나이트라이드(GaN)에 마그네슘(Mg), 아연(Zn), 칼슘(Ca), 스트론튬(Sr) 및 베릴륨(Be)으로 이루어진 군에서 선택된 어느 하나가 도핑된 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 2 항에 있어서,상기 기판은 사파이어(Al2O3), 실리콘카바이드(SiC), 실리콘(Si) 및 갈륨비소(GaAs)로 이루어진 군에서 선택된 어느 하나인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 2 항에 있어서,상기 활성층은 단층 또는 다층양자우물(MQW)층인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 투명도전층은 인듐틴옥사이드(ITO), 진크옥사이드(ZnO) 및 틴옥사이드(SnO2)로 이루어진 군에서 선택된 어느 하나인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 산성용액은 완충산화물에칭액(buffered oxide etch, BOE), 불산(HF), 염산(HCl), 질산(HNO3), 인산(H3PO4), 황산(H2SO4), 옥살산(oxalic acid), 타르탈산(tartaric acid), 포름산(formic acid), 아세트산(acetic acid), 글리콜산(glycolic acid) 및 불화암모늄(NH4F)으로 이루어진 군에서 선택된 적어도 하나를 포함하는 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 에칭하는 시간은 1 내지 12 초인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 열처리하는 온도는 400 내지 800℃인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 투명도전층의 두께는 400 내지 6000Å인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
- 제 1 항에 있어서,상기 돌출부의 직경이 250 내지 700㎚인 것을 특징으로 하는 질화물계 발광소자의 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060056373A KR100755591B1 (ko) | 2006-06-22 | 2006-06-22 | 질화물계 발광소자의 제조방법 |
CN2007101039437A CN101093870B (zh) | 2006-06-22 | 2007-05-15 | 顶部发射氮基发光器件及其制造方法 |
JP2007150792A JP2008004931A (ja) | 2006-06-22 | 2007-06-06 | 前面発光型窒化物系発光素子の製造方法 |
US11/812,305 US8227283B2 (en) | 2006-06-22 | 2007-06-18 | Top-emitting N-based light emitting device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060056373A KR100755591B1 (ko) | 2006-06-22 | 2006-06-22 | 질화물계 발광소자의 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100755591B1 true KR100755591B1 (ko) | 2007-09-06 |
Family
ID=38736534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060056373A KR100755591B1 (ko) | 2006-06-22 | 2006-06-22 | 질화물계 발광소자의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8227283B2 (ko) |
JP (1) | JP2008004931A (ko) |
KR (1) | KR100755591B1 (ko) |
CN (1) | CN101093870B (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100844722B1 (ko) * | 2006-03-07 | 2008-07-07 | 엘지전자 주식회사 | 나노콘 성장방법 및 이를 이용한 발광 다이오드의제조방법 |
TWI394290B (zh) * | 2006-12-18 | 2013-04-21 | Delta Electronics Inc | 電激發光裝置及其製造方法 |
JP2008294188A (ja) * | 2007-05-24 | 2008-12-04 | Toyoda Gosei Co Ltd | 半導体発光素子及びその製造方法 |
DE102008051048A1 (de) * | 2008-10-09 | 2010-04-15 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterkörper |
KR101007113B1 (ko) | 2008-11-25 | 2011-01-10 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
US8183575B2 (en) * | 2009-01-26 | 2012-05-22 | Bridgelux, Inc. | Method and apparatus for providing a patterned electrically conductive and optically transparent or semi-transparent layer over a lighting semiconductor device |
KR101704028B1 (ko) * | 2010-06-21 | 2017-02-07 | 엘지이노텍 주식회사 | 발광 소자 |
KR101165259B1 (ko) | 2010-07-08 | 2012-08-10 | 포항공과대학교 산학협력단 | MgO피라미드 구조를 갖는 발광소자 및 그 제조방법 |
US9337366B2 (en) | 2011-07-26 | 2016-05-10 | Micron Technology, Inc. | Textured optoelectronic devices and associated methods of manufacture |
JP6011108B2 (ja) * | 2011-09-27 | 2016-10-19 | 日亜化学工業株式会社 | 半導体素子 |
JP5803708B2 (ja) * | 2012-02-03 | 2015-11-04 | 豊田合成株式会社 | 半導体発光素子の製造方法 |
JP2014045108A (ja) * | 2012-08-28 | 2014-03-13 | Toyoda Gosei Co Ltd | 半導体発光素子 |
CN103117339A (zh) * | 2013-03-15 | 2013-05-22 | 南京大学 | 基于复合软模板纳米压印技术制备图案化蓝宝石衬底的方法 |
JP2014183090A (ja) * | 2013-03-18 | 2014-09-29 | Oki Electric Ind Co Ltd | 透明電極構造、窒化物半導体発光ダイオード、及び透明電極成膜方法 |
US20150200326A1 (en) * | 2014-01-10 | 2015-07-16 | Tsmc Solar Ltd. | Method and apparatus for increasing efficiency of thin film photovoltaic cell |
US9647172B2 (en) * | 2014-02-07 | 2017-05-09 | Epistar Corporation | Light emitting device |
JP2015173229A (ja) * | 2014-03-12 | 2015-10-01 | 沖電気工業株式会社 | 透明電極構造、窒化物半導体発光ダイオード、及び透明電極成膜方法 |
CN106206895A (zh) * | 2016-08-24 | 2016-12-07 | 西安中为光电科技有限公司 | 一种具有双电流扩展层的led及其制作方法 |
CN106847757B (zh) * | 2017-03-09 | 2019-11-01 | 京东方科技集团股份有限公司 | 一种显示基板及其制作方法、显示装置 |
CN108878262A (zh) * | 2018-06-12 | 2018-11-23 | 重庆中科渝芯电子有限公司 | 一种高掺杂Si衬底器件底层SI定量去除方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050100485A (ko) * | 2004-04-14 | 2005-10-19 | 광주과학기술원 | 마스크 없는 선택적 습식식각을 이용하는 ⅲ-질화물계반도체 발광소자의 제조방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3739217A (en) * | 1969-06-23 | 1973-06-12 | Bell Telephone Labor Inc | Surface roughening of electroluminescent diodes |
US5779924A (en) * | 1996-03-22 | 1998-07-14 | Hewlett-Packard Company | Ordered interface texturing for a light emitting device |
US6280861B1 (en) * | 1996-05-29 | 2001-08-28 | Idemitsu Kosan Co., Ltd. | Organic EL device |
JP3801342B2 (ja) * | 1998-02-12 | 2006-07-26 | シャープ株式会社 | 太陽電池用基板、その製造方法及び半導体素子 |
JP3469484B2 (ja) | 1998-12-24 | 2003-11-25 | 株式会社東芝 | 半導体発光素子およびその製造方法 |
EP1233082B1 (en) | 1999-11-25 | 2009-01-07 | Idemitsu Kosan Co., Ltd. | Sputtering target, transparent conductive oxide, and method for preparing sputtering target |
JP5965095B2 (ja) * | 1999-12-03 | 2016-08-10 | クリー インコーポレイテッドCree Inc. | 内部および外部光学要素による光取出しを向上させた発光ダイオード |
JP4380083B2 (ja) * | 2001-05-14 | 2009-12-09 | 日立電線株式会社 | 発光ダイオードの製造方法 |
JP2003016858A (ja) * | 2001-06-29 | 2003-01-17 | Sanyo Electric Co Ltd | インジウムスズ酸化膜の製造方法 |
JP4084620B2 (ja) * | 2001-09-27 | 2008-04-30 | 信越半導体株式会社 | 発光素子及び発光素子の製造方法 |
JP3818297B2 (ja) * | 2003-05-27 | 2006-09-06 | 松下電工株式会社 | 半導体発光素子 |
JP2006066903A (ja) * | 2004-07-29 | 2006-03-09 | Showa Denko Kk | 半導体発光素子用正極 |
US8115212B2 (en) | 2004-07-29 | 2012-02-14 | Showa Denko K.K. | Positive electrode for semiconductor light-emitting device |
JP2006080426A (ja) | 2004-09-13 | 2006-03-23 | Sharp Corp | 発光ダイオード |
-
2006
- 2006-06-22 KR KR1020060056373A patent/KR100755591B1/ko active IP Right Grant
-
2007
- 2007-05-15 CN CN2007101039437A patent/CN101093870B/zh active Active
- 2007-06-06 JP JP2007150792A patent/JP2008004931A/ja active Pending
- 2007-06-18 US US11/812,305 patent/US8227283B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050100485A (ko) * | 2004-04-14 | 2005-10-19 | 광주과학기술원 | 마스크 없는 선택적 습식식각을 이용하는 ⅲ-질화물계반도체 발광소자의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN101093870B (zh) | 2010-11-03 |
CN101093870A (zh) | 2007-12-26 |
US8227283B2 (en) | 2012-07-24 |
US20080006842A1 (en) | 2008-01-10 |
JP2008004931A (ja) | 2008-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100755591B1 (ko) | 질화물계 발광소자의 제조방법 | |
KR101140096B1 (ko) | 나노로드 발광 다이오드 및 이의 제조방법 | |
US8455282B2 (en) | Method of manufacturing vertical light emitting diode with dual surface pattern to improve light extraction | |
CN110088921B (zh) | 半导体发光元件及其制造方法 | |
US20100295088A1 (en) | Textured-surface light emitting diode and method of manufacture | |
US7521329B2 (en) | Semiconductor light emitting diode having textured structure and method of manufacturing the same | |
JP2006352129A (ja) | 発光ダイオードの製造方法 | |
CN111492494B (zh) | 半导体发光元件及其制造方法 | |
US8404504B1 (en) | Method for making light emitting diode | |
US8404503B1 (en) | Method for making light emitting diode | |
US9041030B2 (en) | Light emitting diode | |
US9029889B2 (en) | Light emitting diode | |
USRE43426E1 (en) | Fabrication method of transparent electrode on visible light-emitting diode | |
CN103811614A (zh) | 具有异质材料结构的发光元件及其制造方法 | |
US8790940B2 (en) | Method for making light emitting diode | |
KR100608930B1 (ko) | 마스크 없는 선택적 습식식각을 이용하는 ⅲ-질화물계반도체 발광소자의 제조방법 | |
KR100900644B1 (ko) | 미세패턴 형성방법 및 이를 이용한 반도체 발광소자제조방법 | |
JP2009094108A (ja) | GaN系LED素子の製造方法 | |
JP2006295057A (ja) | 半導体発光素子およびその製法 | |
JP5037980B2 (ja) | 窒化ガリウム系化合物半導体発光素子の製造方法 | |
CN217239491U (zh) | 氮化物发光二极管 | |
KR20150089548A (ko) | 다공성 GaN층을 포함하는 수직형 발광다이오드 및 이의 제조방법 | |
KR20050001038A (ko) | 반도체 발광 다이오드 및 그 제조 방법 | |
KR20090002161A (ko) | 반도체 발광소자 및 반도체 발광소자의 제조 방법 | |
JP6785221B2 (ja) | 半導体発光素子 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120802 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20130731 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20140731 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20160801 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20180731 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20190731 Year of fee payment: 13 |