CN111244244A - 一种大功率led芯片及其制作方法 - Google Patents
一种大功率led芯片及其制作方法 Download PDFInfo
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- CN111244244A CN111244244A CN202010209033.2A CN202010209033A CN111244244A CN 111244244 A CN111244244 A CN 111244244A CN 202010209033 A CN202010209033 A CN 202010209033A CN 111244244 A CN111244244 A CN 111244244A
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- layer
- gallium nitride
- type gallium
- circular hole
- led chip
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 497
- 238000002161 passivation Methods 0.000 claims abstract description 58
- 230000004888 barrier function Effects 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 229910002601 GaN Inorganic materials 0.000 claims description 106
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 71
- 238000005530 etching Methods 0.000 claims description 24
- 238000000151 deposition Methods 0.000 claims description 20
- 229910052804 chromium Inorganic materials 0.000 claims description 18
- 229910052719 titanium Inorganic materials 0.000 claims description 18
- 229910052594 sapphire Inorganic materials 0.000 claims description 17
- 239000010980 sapphire Substances 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 16
- 229910052737 gold Inorganic materials 0.000 claims description 15
- 229910008599 TiW Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- 239000007771 core particle Substances 0.000 claims description 12
- 238000009616 inductively coupled plasma Methods 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 229910052718 tin Inorganic materials 0.000 claims description 10
- 230000008021 deposition Effects 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 229920002120 photoresistant polymer Polymers 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000005137 deposition process Methods 0.000 claims description 5
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 5
- 238000001020 plasma etching Methods 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 238000001259 photo etching Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 230000031700 light absorption Effects 0.000 abstract description 4
- 238000007747 plating Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 24
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 238000000206 photolithography Methods 0.000 description 9
- 238000007738 vacuum evaporation Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910004541 SiN Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000003213 activating effect Effects 0.000 description 6
- 238000000137 annealing Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000005693 optoelectronics Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 229910019080 Mg-H Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 3
- 229910001195 gallium oxide Inorganic materials 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000007740 vapor deposition Methods 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
- H10H20/841—Reflective coatings, e.g. dielectric 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]
- H10H20/01—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
- H10H20/816—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]
- H10H20/80—Constructional details
- H10H20/83—Electrodes
- H10H20/832—Electrodes characterised by their material
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Abstract
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CN202010209033.2A CN111244244B (zh) | 2020-03-23 | 2020-03-23 | 一种大功率led芯片及其制作方法 |
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CN111244244A true CN111244244A (zh) | 2020-06-05 |
CN111244244B CN111244244B (zh) | 2021-03-30 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111933770A (zh) * | 2020-09-04 | 2020-11-13 | 佛山市国星半导体技术有限公司 | 一种高可靠性uvc led芯片及其制作方法 |
CN112271241A (zh) * | 2020-10-30 | 2021-01-26 | 华引芯(武汉)科技有限公司 | 一种大功率led芯片的制作工艺及led芯片 |
CN113345993A (zh) * | 2021-05-31 | 2021-09-03 | 厦门市三安光电科技有限公司 | 一种发光二极管及其制备方法 |
CN113421953A (zh) * | 2021-06-24 | 2021-09-21 | 马鞍山杰生半导体有限公司 | 深紫外发光二极管及其制作方法 |
CN114447176A (zh) * | 2022-01-28 | 2022-05-06 | 上海芯元基半导体科技有限公司 | 垂直结构的薄膜led芯片、微型led阵列及其制备方法 |
CN115440860A (zh) * | 2022-10-20 | 2022-12-06 | 福建兆元光电有限公司 | 一种led倒装芯片及其制作方法 |
CN117253902A (zh) * | 2023-11-17 | 2023-12-19 | 盐城鸿石智能科技有限公司 | 一种亮度可调的MicroLED及其制备方法 |
WO2024087087A1 (zh) * | 2022-10-27 | 2024-05-02 | 厦门三安光电有限公司 | 发光二极管及发光装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7358539B2 (en) * | 2003-04-09 | 2008-04-15 | Lumination Llc | Flip-chip light emitting diode with indium-tin-oxide based reflecting contacts |
CN108389952A (zh) * | 2018-02-28 | 2018-08-10 | 华南理工大学 | 一种无漏电mesa切割道3d通孔超结构led芯片及其制备方法 |
CN108389954A (zh) * | 2018-01-11 | 2018-08-10 | 河源市众拓光电科技有限公司 | 一种超结构led芯片及其制备方法 |
CN109713101A (zh) * | 2018-12-28 | 2019-05-03 | 映瑞光电科技(上海)有限公司 | GaN基LED垂直结构芯片及其制备方法 |
-
2020
- 2020-03-23 CN CN202010209033.2A patent/CN111244244B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7358539B2 (en) * | 2003-04-09 | 2008-04-15 | Lumination Llc | Flip-chip light emitting diode with indium-tin-oxide based reflecting contacts |
CN108389954A (zh) * | 2018-01-11 | 2018-08-10 | 河源市众拓光电科技有限公司 | 一种超结构led芯片及其制备方法 |
CN108389952A (zh) * | 2018-02-28 | 2018-08-10 | 华南理工大学 | 一种无漏电mesa切割道3d通孔超结构led芯片及其制备方法 |
CN109713101A (zh) * | 2018-12-28 | 2019-05-03 | 映瑞光电科技(上海)有限公司 | GaN基LED垂直结构芯片及其制备方法 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111933770A (zh) * | 2020-09-04 | 2020-11-13 | 佛山市国星半导体技术有限公司 | 一种高可靠性uvc led芯片及其制作方法 |
CN112271241A (zh) * | 2020-10-30 | 2021-01-26 | 华引芯(武汉)科技有限公司 | 一种大功率led芯片的制作工艺及led芯片 |
CN112271241B (zh) * | 2020-10-30 | 2022-04-22 | 华引芯(武汉)科技有限公司 | 一种大功率led芯片的制作工艺及led芯片 |
CN113345993A (zh) * | 2021-05-31 | 2021-09-03 | 厦门市三安光电科技有限公司 | 一种发光二极管及其制备方法 |
CN113421953A (zh) * | 2021-06-24 | 2021-09-21 | 马鞍山杰生半导体有限公司 | 深紫外发光二极管及其制作方法 |
CN113421953B (zh) * | 2021-06-24 | 2022-12-13 | 马鞍山杰生半导体有限公司 | 深紫外发光二极管及其制作方法 |
CN114447176A (zh) * | 2022-01-28 | 2022-05-06 | 上海芯元基半导体科技有限公司 | 垂直结构的薄膜led芯片、微型led阵列及其制备方法 |
CN114447176B (zh) * | 2022-01-28 | 2024-09-27 | 上海芯元基半导体科技有限公司 | 垂直结构的薄膜led芯片、微型led阵列及其制备方法 |
CN115440860A (zh) * | 2022-10-20 | 2022-12-06 | 福建兆元光电有限公司 | 一种led倒装芯片及其制作方法 |
WO2024087087A1 (zh) * | 2022-10-27 | 2024-05-02 | 厦门三安光电有限公司 | 发光二极管及发光装置 |
CN117253902A (zh) * | 2023-11-17 | 2023-12-19 | 盐城鸿石智能科技有限公司 | 一种亮度可调的MicroLED及其制备方法 |
CN117253902B (zh) * | 2023-11-17 | 2024-03-22 | 盐城鸿石智能科技有限公司 | 一种亮度可调的MicroLED及其制备方法 |
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CN111244244B (zh) | 2021-03-30 |
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