TW201616678A - 發光元件 - Google Patents
發光元件 Download PDFInfo
- Publication number
- TW201616678A TW201616678A TW105102279A TW105102279A TW201616678A TW 201616678 A TW201616678 A TW 201616678A TW 105102279 A TW105102279 A TW 105102279A TW 105102279 A TW105102279 A TW 105102279A TW 201616678 A TW201616678 A TW 201616678A
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- Prior art keywords
- layer
- light
- emitting element
- emitting
- transparent
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- 239000000758 substrate Substances 0.000 claims abstract description 27
- 230000004888 barrier function Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 5
- 230000003319 supportive effect Effects 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 26
- 229910052732 germanium Inorganic materials 0.000 description 26
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 26
- 239000004065 semiconductor Substances 0.000 description 26
- 239000010936 titanium Substances 0.000 description 25
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 24
- 239000011734 sodium Substances 0.000 description 24
- 229910052712 strontium Inorganic materials 0.000 description 22
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 22
- 229910052787 antimony Inorganic materials 0.000 description 18
- 239000010949 copper Substances 0.000 description 18
- 239000010931 gold Substances 0.000 description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 16
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 16
- 239000011575 calcium Substances 0.000 description 16
- 239000011651 chromium Substances 0.000 description 16
- 239000011777 magnesium Substances 0.000 description 16
- 239000011572 manganese Substances 0.000 description 16
- 229910052708 sodium Inorganic materials 0.000 description 16
- 229910001020 Au alloy Inorganic materials 0.000 description 15
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 15
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 15
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 15
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 13
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 13
- 229910052733 gallium Inorganic materials 0.000 description 13
- 229910052727 yttrium Inorganic materials 0.000 description 12
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 10
- FTWRSWRBSVXQPI-UHFFFAOYSA-N alumanylidynearsane;gallanylidynearsane Chemical compound [As]#[Al].[As]#[Ga] FTWRSWRBSVXQPI-UHFFFAOYSA-N 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 10
- 229910052737 gold Inorganic materials 0.000 description 10
- 229910052718 tin Inorganic materials 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910017755 Cu-Sn Inorganic materials 0.000 description 9
- 229910017927 Cu—Sn Inorganic materials 0.000 description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 9
- 229910018100 Ni-Sn Inorganic materials 0.000 description 9
- 229910018532 Ni—Sn Inorganic materials 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 9
- 229910052797 bismuth Inorganic materials 0.000 description 9
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- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 9
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- 239000011733 molybdenum Substances 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 9
- 229910052719 titanium Inorganic materials 0.000 description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 8
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- 229910052788 barium Inorganic materials 0.000 description 8
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 8
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 8
- 229910052791 calcium Inorganic materials 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 8
- 229910017052 cobalt Inorganic materials 0.000 description 8
- 239000010941 cobalt Substances 0.000 description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 8
- 239000004020 conductor Substances 0.000 description 8
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 8
- 239000000395 magnesium oxide Substances 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 8
- 229910052748 manganese Inorganic materials 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- BCCOBQSFUDVTJQ-UHFFFAOYSA-N octafluorocyclobutane Chemical compound FC1(F)C(F)(F)C(F)(F)C1(F)F BCCOBQSFUDVTJQ-UHFFFAOYSA-N 0.000 description 8
- 235000019407 octafluorocyclobutane Nutrition 0.000 description 8
- 229910052763 palladium Inorganic materials 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 239000004926 polymethyl methacrylate Substances 0.000 description 8
- 239000011591 potassium Substances 0.000 description 8
- 229910052700 potassium Inorganic materials 0.000 description 8
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 8
- 229910052709 silver Inorganic materials 0.000 description 8
- 239000004332 silver Substances 0.000 description 8
- MZFIXCCGFYSQSS-UHFFFAOYSA-N silver titanium Chemical compound [Ti].[Ag] MZFIXCCGFYSQSS-UHFFFAOYSA-N 0.000 description 8
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 8
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 8
- 229910052721 tungsten Inorganic materials 0.000 description 8
- 239000010937 tungsten Substances 0.000 description 8
- -1 Acryl Chemical group 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 7
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 7
- 239000007769 metal material Substances 0.000 description 7
- 239000004925 Acrylic resin Substances 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000004697 Polyetherimide Substances 0.000 description 6
- RUQACMGBLIBRPP-UHFFFAOYSA-N [Zn][Pb][Sn] Chemical compound [Zn][Pb][Sn] RUQACMGBLIBRPP-UHFFFAOYSA-N 0.000 description 6
- PLZFHNWCKKPCMI-UHFFFAOYSA-N cadmium copper Chemical compound [Cu].[Cd] PLZFHNWCKKPCMI-UHFFFAOYSA-N 0.000 description 6
- 239000003353 gold alloy Substances 0.000 description 6
- CLDVQCMGOSGNIW-UHFFFAOYSA-N nickel tin Chemical compound [Ni].[Sn] CLDVQCMGOSGNIW-UHFFFAOYSA-N 0.000 description 6
- 229920001601 polyetherimide Polymers 0.000 description 6
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910052593 corundum Inorganic materials 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 description 5
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 description 4
- 229910004205 SiNX Inorganic materials 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910052790 beryllium Inorganic materials 0.000 description 4
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 4
- BEQNOZDXPONEMR-UHFFFAOYSA-N cadmium;oxotin Chemical compound [Cd].[Sn]=O BEQNOZDXPONEMR-UHFFFAOYSA-N 0.000 description 4
- 229920002313 fluoropolymer Polymers 0.000 description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- NQBRDZOHGALQCB-UHFFFAOYSA-N oxoindium Chemical compound [O].[In] NQBRDZOHGALQCB-UHFFFAOYSA-N 0.000 description 4
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 4
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 229910001887 tin oxide Inorganic materials 0.000 description 4
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 4
- 239000011787 zinc oxide Substances 0.000 description 4
- 239000011156 metal matrix composite Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910017398 Au—Ni Inorganic materials 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- KHZAWAWPXXNLGB-UHFFFAOYSA-N [Bi].[Pb].[Sn] Chemical compound [Bi].[Pb].[Sn] KHZAWAWPXXNLGB-UHFFFAOYSA-N 0.000 description 2
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 description 2
- 239000011153 ceramic matrix composite Substances 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000011669 selenium Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 229910010093 LiAlO Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- AVBDSJHZXVUVGM-UHFFFAOYSA-N [Ni].[Au].[Bi] Chemical compound [Ni].[Au].[Bi] AVBDSJHZXVUVGM-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 description 1
- MNKMDLVKGZBOEW-UHFFFAOYSA-M lithium;3,4,5-trihydroxybenzoate Chemical compound [Li+].OC1=CC(C([O-])=O)=CC(O)=C1O MNKMDLVKGZBOEW-UHFFFAOYSA-M 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
-
- 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
- H10H20/83—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
- H01L25/0753—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00 the devices being arranged next to each other
-
- 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
- H10H20/813—Bodies having a plurality of light-emitting regions, e.g. multi-junction LEDs or light-emitting devices having photoluminescent regions within the bodies
-
- 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
- H10H20/814—Bodies having reflecting means, e.g. semiconductor Bragg reflectors
-
- 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
- H10H20/816—Bodies having carrier transport control structures, e.g. highly-doped semiconductor layers or current-blocking structures
- H10H20/8162—Current-blocking structures
-
- 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]
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Abstract
一發光元件包含︰一支持基板;一透明層位於該支持基板之上;一發光疊層包含一主動層且位於該透明層之上;以及一蝕刻阻擋層設於該發光疊層與該支持基板之間且與該透明層接觸;其中,該蝕刻阻擋層之厚度小於該透明層之厚度。
Description
本發明關於一種發光元件,特別是關於一種具有蝕刻阻擋層之發光元件。
發光二極體(Light-emitting Diode;LED)目前已經廣泛地使用在光學顯示裝置、交通號誌、資料儲存裝置、通訊裝置、照明裝置與醫療器材上。習知的LED具有金屬電流擴散層位於基板與發光疊層之間,例如鈦/金或鉻/金的金屬層。但是金屬電流擴散層會吸收LED產生的光,導致LED的發光效率降低。
一發光元件包含︰一支持基板;一透明層位於該支持基板之上;一發光疊層包含一主動層且位於該透明層之上;以及一蝕刻阻擋層設於該發光疊層與該支持基板之間且與該透明層接觸;其中,該蝕刻阻擋層之厚度小於該透明層之厚度。
本發明之實施例會被詳細地描述,並且繪製於圖式中,相同或類似的部分會以相同的號碼在各圖式以及說明出現。
第1A~1F圖係本發明一實施例之發光元件製造流程圖。如第1A圖所示,一發光疊層12形成於一成長基板10之上,發光疊層12具有一第一半導體層122;一主動層124形成於第一半導體層122之上;以及一第二半導體層126形成於主動層124之上,其中第一半導體層122與第二半導體層126之極性相異。複數個導電部20形成於第二半導體層126之上,一暫時基板14形成於發光疊層12與複數個導電部20之上。如第1B圖所示,移除成長基板10後,複數個接觸部16形成於第一半導體層122之下。如第1C圖所示,一透明層18形成於第一半導體層122之下,並且覆蓋複數個接觸部16。一蝕刻阻擋層11形成於透明層18之下,以及一反射層13形成於透明層18之下且覆蓋蝕刻阻擋層11。如第1D圖所示,一支持基板17藉由一黏結層15貼附於反射層13。如第1E圖所示,暫時基板14被移除後,部分之第二半導體層126與主動層124被移除以曝露部分第一半導體層122。一通孔19形成於第一半導體層122曝露之部分,並往反射層13延伸以曝露部分蝕刻阻擋層11。如第1F圖所示,第二半導體層126之上表面被粗化以形成粗糙表面。一第一電極21形成於第一半導體層122曝露之部分,並且填滿通孔19以電連接蝕刻阻擋層11。一第二電極22形成於第二半導體層126之上表面以形成一發光元件1,第二電極22電連接於複數個導電部20。
支持基板17可用以支持位於其上之發光疊層12與其它層或結構,其材料可為透明材料或高散熱材料。透明材料包含但不限於藍寶石(Sapphire)、鑽石(Diamond)、玻璃(Glass)、環氧樹脂(Epoxy)、石英(Quartz)、壓克力(Acryl)、氧化鋁(Al2O3)、氧化鋅(ZnO)或氮化鋁(AlN)等。高散熱材料包含但不限於銅(Cu)、鋁(Al)、鉬(Mo)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)、金合金(Au alloy)、類鑽碳薄膜(Diamond Like Carbon;DLC)、石墨(Graphite)、碳纖維(Carbon fiber)、金屬基複合材料(Metal Matrix Composite;MMC)、陶瓷基複合材料(Ceramic Matrix Composite;CMC)、矽(Si)、磷化碘(IP)、硒化鋅(ZnSe)、砷化鎵(GaAs)、碳化矽(SiC)、磷化鎵(GaP)、磷砷化鎵(GaAsP)、硒化鋅(ZnSe)、磷化銦(InP)、鎵酸鋰(LiGaO2)或鋁酸鋰(LiAlO2)。黏結層15可連接支持基板17與反射層13,而且具有複數個從屬層(未顯示)。黏結層15之材料可為絕緣材料或導電材料。絕緣材料包含但不限於聚亞醯胺(PI)、苯并環丁烯(BCB)、過氟環丁烷(PFCB)、氧化鎂(MgO)、Su8、環氧樹脂(Epoxy)、丙烯酸樹脂(Acrylic Resin)、環烯烴聚合物(COC)、聚甲基丙烯酸甲酯(PMMA)、聚對苯二甲酸乙二酯(PET)、聚碳酸酯(PC)、聚醚醯亞胺(Polyetherimide)、氟碳聚合物(Fluorocarbon Polymer)、玻璃(Glass)、氧化鋁(Al2O3)、氧化矽(SiOx)、氧化鈦(TiO2)、氮化矽(SiNx)或旋塗玻璃(SOG)。導電材料包含但不限於氧化銦錫(ITO)、氧化銦(InO)、氧化錫(SnO)、氧化鎘錫(CTO)、氧化銻錫(ATO)、氧化鋁鋅(AZO)、氧化鋅錫(ZTO)、氧化鎵鋅(GZO)、氧化鋅(ZnO)、砷化鋁鎵(AlGaAs)、氮化鎵(GaN) 磷化鎵(GaP)、砷化鎵(GaAs)、磷砷化鎵(GaAsP)、氧化銦鋅(IZO)、氧化鉭(Ta2O5)、類鑽碳薄膜(DLC)、銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)或金合金(Au alloy)等。反射層13可反射來自發光疊層12之光線,其材料包含但不限於銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)或金合金(Au alloy)等。蝕刻阻擋層11可傳導電流與保護反射層13免於被破壞,其材料包含但不限於銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)、金合金(Au alloy)、鍺-金-鎳(Ge-Au-Ni)、砷化鋁鎵(AlGaAs)、氮化鎵(GaN)、磷化鎵(GaP)、砷化鎵(GaAs)或磷砷化鎵(GaAsP)等。透明層18可提升電流擴散,配合反射層13形成全向反射鏡以提升對發光疊層12所產生之光的反射率,以及保護發光疊層12免於被自反射層13擴散的元素破壞。透明層18更可具有複數個從屬層(未顯示),其材料可為絕緣材料或導電材料。絕緣材料包含但不限於聚亞醯胺(PI)、苯并環丁烯(BCB)、過氟環丁烷(PFCB)、氧化鎂(MgO)、Su8、環氧樹脂(Epoxy)、丙烯酸樹脂(Acrylic Resin)、環烯烴聚合物(COC)、聚甲基丙烯酸甲酯(PMMA)、聚對苯二甲酸乙二酯(PET)、聚碳酸酯(PC)、聚醚醯亞胺(Polyetherimide)、氟碳聚合物(Fluorocarbon Polymer)、玻璃(Glass)、氧化鋁(Al2O3)、氧化矽(SiOx)、氧化鈦(TiO2)、氮化矽(SiNx)或旋塗玻璃(SOG)。導電材料包含但不限於氧化銦錫(ITO)、氧化銦(InO)、氧化錫(SnO)、氧化鎘錫(CTO)、氧化銻錫(ATO)、氧化鋁鋅(AZO)、氧化鋅錫(ZTO)、氧化鎵鋅(GZO)、氧化鋅(ZnO)、砷化鋁鎵(AlGaAs)、氮化鎵(GaN) 磷化鎵(GaP)、砷化鎵(GaAs)、磷砷化鎵(GaAsP)、氧化銦鋅(IZO)、氧化鉭(Ta2O5)或類鑽碳薄膜(DLC)。當透明層18可導電時,其可傳導與擴散電流。
複數個接觸部16可傳導與擴散電流。每一個接觸部16皆與其他接觸部16分離,且可包含複數個從屬層(未顯示)。複數個接觸部16的材料包含但不限於銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)、金合金(Au alloy)、鍺-金-鎳(Ge-Au-Ni)、砷化鋁鎵(AlGaAs)、氮化鎵(GaN)、磷化鎵(GaP)、砷化鎵(GaAs)或磷砷化鎵(GaAsP)等。每一接觸部16從上視之形狀可為三角形、矩形、梯形或圓形等。以圓形的接觸部為例,其直徑可為3~15微米,較佳為6~10微米。複數個接觸部16的面積相對於主動層124上表面的面積之比例約為0.5~6%,更佳為1~3%。為了提升電流擴散的能力,一些靠近透明層18之側面交會邊的接觸部的面積大於其他接觸部的面積。複數個接觸部16彼此之間的距離係取決於第一半導體層122之厚度。例如當第一半導體層122之厚度約為3微米時,複數個接觸部16彼此之間的距離約為20~40微米。第一半導體層122的厚度越薄,複數個接觸部16彼此之間的距離越短。為了提升電流擴散的能力,複數個接觸部16可以在任兩個相鄰的導電部20之間排列成兩條線或三條線。另外,複數個接觸部16未被第二電極22與複數個導電部20所覆蓋。換言之,第二電極22與複數個導電部20不在複數個接觸部16的正上方。
發光疊層12可產生光線,且包含半導體材料。半導體材料具有一種以上之元素選自鎵(Ga)、鋁(Al)、銦(In)、磷(P)、氮(N)、鋅(Zn)、鎘(Cd)與硒(Se)所構成之群組。第一電極21與第二電極22用以接受外部電壓,其材料可為透明導電材料或金屬材料。透明導電材料包含但不限於氧化銦錫(ITO)、氧化銦(InO)、氧化錫(SnO)、氧化鎘錫(CTO)、氧化銻錫(ATO)、氧化鋁鋅(AZO)、氧化鋅錫(ZTO)、氧化鎵鋅(GZO)、氧化鋅(ZnO)、砷化鋁鎵(AlGaAs)、氮化鎵(GaN) 磷化鎵(GaP)、砷化鎵(GaAs)、磷砷化鎵(GaAsP)、氧化銦鋅(IZO)、氧化鉭(Ta2O5)或類鑽碳薄膜(DLC)。金屬材料包含但不限於銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)或金合金(Au alloy)等。複數個導電部20可傳導與擴散電流,其材料可為透明導電材料或金屬材料。透明導電材料包含但不限於氧化銦錫(ITO)、氧化銦(InO)、氧化錫(SnO)、氧化鎘錫(CTO)、氧化銻錫(ATO)、氧化鋁鋅(AZO)、氧化鋅錫(ZTO)、氧化鎵鋅(GZO)、氧化鋅(ZnO)、砷化鋁鎵(AlGaAs)、氮化鎵(GaN) 磷化鎵(GaP)、砷化鎵(GaAs)、磷砷化鎵(GaAsP)、氧化銦鋅(IZO)、氧化鉭(Ta2O5)或類鑽碳薄膜(DLC)。金屬材料包含但不限於銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)或金合金(Au alloy)等。
第2圖所示之一發光元件2移除發光疊層12與透明層18之一部分以曝露部分反射層13與蝕刻阻擋層11,第一電極21形成於反射層13與蝕刻阻擋層11曝露之部分之上。
第3圖所示之一發光元件3具有支持基板17;黏結層15形成於支持基板17之上;反射層13形成於黏結層15之上;透明層18形成於反射層13之上;發光疊層12形成於透明層18之上,其中複數個接觸部16與蝕刻阻擋層11形成於發光疊層12與反射層13之間,且被透明層18圍繞。移除部分發光疊層12以曝露部分第一半導體層122,蝕刻阻擋層11形成於發光疊層12之下表面。複數個接觸部16與蝕刻阻擋層11可實質地接觸反射層13。通孔19形成於第一半導體層122曝露之部分,且延伸穿過第一半導體層122以曝露一部份蝕刻阻擋層11。第一電極21可形成於發光疊層12上未有第二電極22與複數個導電部20形成之部分,沿著發光疊層12之側壁延伸,然後與蝕刻阻擋層11電連接。第一電極21亦可選擇性地填滿通孔19以電連接蝕刻阻擋層11。此外,可有一導電層32形成在發光疊層12之上,沿著發光疊層12之側壁延伸,填滿通孔19以電連接蝕刻阻擋層11,第一電極22再形成於發光疊層12與導電層32之上以與蝕刻阻擋層11電連接。其中,發光疊層12之側壁係未面對所述發光元件之發光疊層12之側面。導電層32可為金屬材料且以無電鍍法形成。金屬材料包含但不限於銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)或金合金(Au alloy)等。導電層32可改善第一電極22的形成品質,以提升第一電極22與蝕刻阻擋層11間的電連接。
如第4圖所示,一發光裝置4具有至少一第一發光元件41與一第二發光元件42共同位於一支持基板17之上。一黏結層15進一步形成於第一發光元件41與第二發光元件42之間,以分離第一發光元件41與第二發光元件42,且黏結層15可為絕緣材料。黏結層15可實質上接觸至少一接觸部16。一絕緣層43形成於第二發光疊層42之上表面與側邊靠近第一發光元件41之部分,一金屬線44形成於絕緣層43與黏結層15之上,以電連接第一發光元件41之至少一接觸部16與第二發光元件42之第二電極22。另一實施例中,金屬線44可進一步地接觸第二發光元件42之部分發光疊層12。於本實施例中,第一發光元件41與第二發光元件42不具有其他實施例之第一電極22。
絕緣層43之材料可為絕緣材料,例如聚亞醯胺(PI)、苯并環丁烯(BCB)、過氟環丁烷(PFCB)、氧化鎂(MgO)、Su8、環氧樹脂(Epoxy)、丙烯酸樹脂(Acrylic Resin)、環烯烴聚合物(COC)、聚甲基丙烯酸甲酯(PMMA)、聚對苯二甲酸乙二酯(PET)、聚碳酸酯(PC)、聚醚醯亞胺(Polyetherimide)、氟碳聚合物(Fluorocarbon Polymer)、玻璃(Glass)、氧化鋁(Al2O3)、氧化矽(SiOx)、氧化鈦(TiO2)、氮化矽(SiNx)或旋塗玻璃(SOG)。金屬線44之材料可為金屬材料,例如銅(Cu)、鋁(Al)、銦(In)、錫(Sn)、金(Au)、鉑(Pt)、鋅(Zn)、銀(Ag)、鈦(Ti)、鎳(Ni)、鉛(Pb)、鈀(Pd)、鍺(Ge)、鉻(Cr)、鎘(Cd)、鈷(Co)、錳(Mn)、銻(Sb)、鉍(Bi)、鎵(Ga)、鉈(Tl)、釙(Po)、銥(Ir)、錸(Re)、銠(Rh)、鋨(Os)、鎢(W)、鋰(Li)、鈉(Na)、鉀(K)、鈹(Be)、鎂(Mg)、鈣(Ca)、鍶(Sr)、鋇(Ba)、鋯(Zr)、鉬(Mo)、鈉(La)、銀-鈦(Ag-Ti)、銅-錫(Cu-Sn)、銅-鋅(Cu-Zn)、銅-鎘(Cu-Cd)、錫-鉛-銻(Sn-Pb-Sb)、錫-鉛-鋅(Sn-Pb-Zn)、鎳-錫(Ni-Sn)、鎳-鈷(Ni-Co)或金合金(Au alloy)等。
如第5圖所示,一發光裝置5之每一第一發光元件41與第二發光元件42更具有一電流阻擋層52形成於發光疊層12與透明層18之間。
複數個接觸部16圍繞著電流阻擋層52。電流阻擋層52位於第二電極22之正下方,可具有與第二電極22相似的複數個延伸部(未顯示)。金屬線44電連接第一發光元件41之透明層18與第二發光元件42之第二電極22。電流阻擋層52之材料可為絕緣材料,例如聚亞醯胺(PI)、苯并環丁烯(BCB)、過氟環丁烷(PFCB)、氧化鎂(MgO)、Su8、環氧樹脂(Epoxy)、丙烯酸樹脂(Acrylic Resin)、環烯烴聚合物(COC)、聚甲基丙烯酸甲酯(PMMA)、聚對苯二甲酸乙二酯(PET)、聚碳酸酯(PC)、聚醚醯亞胺(Polyetherimide)、氟碳聚合物(Fluorocarbon Polymer)、玻璃(Glass)、氧化鋁(Al2O3)、氧化矽(SiOx)、氧化鈦(TiO2)、氮化矽(SiNx)或旋塗玻璃(SOG)等。
第6圖係繪示出一光源產生裝置示意圖,一光源產生裝置6包含一晶粒產生自具有本發明任一實施例中之發光元件或發光裝置之晶圓。光源產生裝置6可以是一照明裝置,例如路燈、車燈或室內照明光源,也可以是交通號誌或一平面顯示器中背光模組的一背光光源。光源產生裝置6具有前述發光元件或發光裝置組成之一光源61、一電源供應系統62以供應光源61一電流、以及一控制元件63,用以控制電源供應系統62。
第7圖係繪示出一背光模組剖面示意圖,一背光模組7包含前述實施例中的光源產生裝置6,以及一光學元件71。光學元件71可將由光源產生裝置6發出的光加以處理,以應用於平面顯示器,例如散射光源產生裝置6發出的光。
惟上述實施例僅為例示性說明本發明之原理及其功效,而非用於限制本發明。任何本發明所屬技術領域中具有通常知識者均可在不違背本發明之技術原理及精神的情況下,對上述實施例進行修改及變化。因此本發明之權利保護範圍如後述之申請專利範圍所列。
1、2、3‧‧‧發光元件
10‧‧‧成長基板
11‧‧‧蝕刻阻擋層
12‧‧‧發光疊層
122‧‧‧第一半導體層
124‧‧‧主動層
126‧‧‧第二半導體層
13‧‧‧反射層
14‧‧‧暫時基板
15‧‧‧黏結層
16‧‧‧接觸部
17‧‧‧支持基板
18‧‧‧透明層
19‧‧‧通孔
2‧‧‧發光元件
20‧‧‧導電部
21‧‧‧第一電極
22‧‧‧第二電極
32‧‧‧導電層
4、5‧‧‧發光裝置
41‧‧‧第一發光元件
42‧‧‧第二發光元件
43‧‧‧絕緣層
44‧‧‧金屬線
52‧‧‧電流阻擋層
6‧‧‧光源產生裝置
61‧‧‧光源
62‧‧‧電源供應系統
63‧‧‧控制元件
7‧‧‧背光模組
71‧‧‧光學元件
第1A~1F圖為本發明一實施例之發光元件製造流程圖。
第2圖為本發明另一實施例之發光元件之剖面圖。
第3圖為本發明另一實施例之發光元件之剖面圖。
第4圖為本發明一實施例之發光裝置之剖面圖。
第5圖為本發明另一實施例之發光裝置之剖面圖。
第6圖為本發明一實施例之光源產生裝置之示意圖。
第7圖為本發明一實施例之背光模組之示意圖。
無
無
1‧‧‧發光元件
11‧‧‧蝕刻阻擋層
12‧‧‧發光疊層
122‧‧‧第一半導體層
126‧‧‧第二半導體層
13‧‧‧反射層
15‧‧‧黏結層
16‧‧‧接觸部
17‧‧‧支持基板
18‧‧‧透明層
20‧‧‧導電部
21‧‧‧第一電極
22‧‧‧第二電極
Claims (10)
- 一發光元件包含︰ 一支持基板; 一透明層位於該支持基板之上; 一發光疊層包含一主動層且位於該透明層之上;以及 一蝕刻阻擋層設於該發光疊層與該支持基板之間且與該透明層接觸; 其中,該蝕刻阻擋層之厚度小於該透明層之厚度。
- 如申請專利範圍第1項所述的發光元件,其中,該透明層環繞該蝕刻阻擋層之一側表面。
- 如申請專利範圍第1或2項所述的發光元件,其中,該蝕刻阻擋層與該發光疊層之下表面接觸。
- 如申請專利範圍第1或2項所述的發光元件,更包含一反射層設於該支持基板與該透明層之間。
- 如申請專利範圍第4項所述的發光元件,其中,該反射層接觸該蝕刻阻擋層之一第一表面,且該透明層係接觸於該蝕刻阻擋層之一第二表面,其中該第二表面與該第一表面相對。
- 如申請專利範圍第5項所述的發光元件,更包含複數個接觸部位設於該發光疊層及該透明層之間。
- 如申請專利範圍第6項所述的發光元件,其中,該支持基板與該蝕刻阻擋層具有一第一最短距離,該支持基板與該複數個接觸部位具有一第二最短距離,該第一最短距離與該第二最短距離不同。
- 如申請專利範圍第1或2項所述的發光元件,其中,該支持基板為對該主動層發出的光呈現透明之材料。
- 如申請專利範圍第1或2項所述的發光元件,更包含一第一電極位於該透明層之上,且該第一電極與該蝕刻阻擋層電性連接。
- 如申請專利範圍第9項所述的發光元件,更包含一通孔位於該發光疊層及該透明層之中,該第一電極經由該通孔與該蝕刻阻擋層直接接觸。
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- 2011-07-01 US US13/175,698 patent/US9012948B2/en active Active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI759289B (zh) * | 2017-03-21 | 2022-04-01 | 晶元光電股份有限公司 | 發光元件 |
TWI692116B (zh) * | 2017-12-19 | 2020-04-21 | 晶元光電股份有限公司 | 發光元件 |
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Publication number | Publication date |
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CN105304785B (zh) | 2019-01-15 |
TWI578567B (zh) | 2017-04-11 |
TWI525855B (zh) | 2016-03-11 |
US9997687B2 (en) | 2018-06-12 |
CN108831980B (zh) | 2021-11-30 |
US20120080697A1 (en) | 2012-04-05 |
US20180287031A1 (en) | 2018-10-04 |
TW201216515A (en) | 2012-04-16 |
US10985301B2 (en) | 2021-04-20 |
US9012948B2 (en) | 2015-04-21 |
KR20120035102A (ko) | 2012-04-13 |
TW201528550A (zh) | 2015-07-16 |
JP5718191B2 (ja) | 2015-05-13 |
US20170117450A1 (en) | 2017-04-27 |
DE102011114815A1 (de) | 2012-04-05 |
US20150194586A1 (en) | 2015-07-09 |
JP2012080089A (ja) | 2012-04-19 |
US9577170B2 (en) | 2017-02-21 |
KR101396281B1 (ko) | 2014-05-16 |
TWI483425B (zh) | 2015-05-01 |
CN108831980A (zh) | 2018-11-16 |
CN105304785A (zh) | 2016-02-03 |
CN102446949A (zh) | 2012-05-09 |
CN102446949B (zh) | 2016-01-20 |
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