JP2010251693A - 発光ダイオードデバイスおよびその製造方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 89
- 239000002184 metal Substances 0.000 claims abstract description 89
- 239000004065 semiconductor Substances 0.000 claims abstract description 67
- 239000000758 substrate Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 12
- 229910052594 sapphire Inorganic materials 0.000 claims description 5
- 239000010980 sapphire Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 6
- 239000010410 layer Substances 0.000 description 114
- 229910002601 GaN Inorganic materials 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 8
- 230000007480 spreading Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- 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
- H01L33/38—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 with a particular shape
- H01L33/382—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 with a particular shape the electrode extending partially in or entirely through the semiconductor body
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
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Abstract
【解決手段】第一表面を有する透明層と、該透明層の第一表面の上方に形成された第一ドープ層であって、その上に複数の第一伝導型金属電極を有する第一ドープ層と、前記透明層の第一表面の上方に形成された第二ドープ層であって、その上に複数の第二伝導型金属電極を有する第二ドープ層と、前記透明層の第一表面の上方に形成され、前記第一ドープ層と前記第二ドープ層との間に配置された活性層とを具え、前記第一伝導型金属電極および前記第二伝導型金属電極は、互い違いに配列され、各第一伝導型金属電極と、それと隣接する第二伝導型金属電極との間の距離が実質的に等しいことを特徴とする。
【選択図】図2
Description
Claims (20)
- 第一表面を有する透明層と、
該透明層の第一表面の上方に形成された第一ドープ層であって、その上に複数の第一伝導型金属電極を有する第一ドープ層と、
前記透明層の第一表面の上方に形成された第二ドープ層であって、その上に複数の第二伝導型金属電極を有する第二ドープ層と、
前記透明層の第一表面の上方に形成され、前記第一ドープ層と前記第二ドープ層との間に配置された活性層と
を具え、前記第一伝導型金属電極および前記第二伝導型金属電極は、互い違いに配列され、各第一伝導型金属電極と、それと隣接する第二伝導型金属電極との間の距離が実質的に等しいことを特徴とする半導体。 - 前記第一ドープ層、前記第二ドープ層および前記活性層が、III-V族化合物の半導体材料からなる請求項1に記載の半導体。
- 前記第一ドープ層がn-GaN層であり、前記第二ドープ層がp-GaN層である請求項2に記載の半導体。
- 各第一伝導型金属電極での電流分布が実質的に一様である請求項1に記載の半導体。
- 各第二伝導型金属電極での電流分布が実質的に一様である請求項1に記載の半導体。
- 電極対における前記第一伝導型金属電極と前記第二伝導型金属電極との間の電位差が、実質的に等しい請求項1に記載の半導体。
- 各第一伝導型金属電極が第一等電位を有し、かつ各第二伝導型金属電極が第二等電位を有する請求項6に記載の半導体。
- 少なくとも2つの第一伝導型金属電極を接続するための、第一ドープ層上に形成された第一金属ワイヤ経路と、
少なくとも2つの第二伝導型金属電極を接続するための、第二ドープ層上に形成された第二金属ワイヤ経路と
をさらに具える請求項1に記載の半導体。 - 各第一伝導型金属電極の面積が、前記第二伝導型金属電極の面積と実質的に等しい請求項1に記載の半導体。
- 前記半導体が、発光ダイオードである請求項1に記載の半導体。
- 前記透明層が、サファイア基板を具える請求項1に記載の半導体。
- 前記活性層が、少なくとも1つの多重量子井戸を具える請求項1に記載の半導体。
- パッケージ基板と、
第一表面および該第一表面とは反対側の第二表面を有する透明層、
該透明層の第一表面の上方に形成された第一ドープ層であって、その上に複数の第一伝導型金属電極を有する第一ドープ層、
前記透明層の第一表面の上方に形成された第二ドープ層であって、その上に複数の第二伝導型金属電極を有する第二ドープ層、および
前記透明層の第一表面の上方に形成され、前記第一ドープ層と前記第二ドープ層との間に配置された活性層
を有し、前記第一伝導型金属電極および前記第二伝導型金属電極は、互い違いに配列され、各第一伝導型金属電極と、それと隣接する第二伝導型金属電極との間の距離が実質的に等しい発光ダイオードデバイスと
を具え、
前記発光ダイオードデバイスは、裏返されて、前記透明層の第二表面が、前記パッケージ基板から離れて外方に向くよう、前記パッケージ基板上にひっくり返され、かつ前記発光ダイオードデバイスは、前記第一伝導型金属電極および前記第二伝導型金属電極を介して前記パッケージ基板に電気的に接続されることを特徴とするフリップチップ発光ダイオードパッケージ構造。 - 前記パッケージ基板と前記第二ドープ層との間に形成され、前記パッケージ基板と前記第二ドープ層との間に、電流伝導経路および放熱経路を設ける金属バンプ層およびパッド層をさらに具える請求項13に記載のフリップチップ発光ダイオードパッケージ構造。
- 第一表面を有する透明層を設ける工程と、
前記透明層の第一表面の上方に、その上に複数の第一伝導型金属電極を有する第一ドープ層を形成する工程と、
前記透明層の第一表面の上方に活性層を形成する工程と、
前記透明層の第一表面の上方に、その上に複数の第二伝導型金属電極を有する第二ドープ層を形成する工程と、
を具え、前記第一伝導型金属電極および前記第二伝導型金属電極は、互い違いに配列され、各第一伝導型金属電極と、それと隣接する第二伝導型金属電極との間の距離が実質的に等しいことを特徴とする半導体の製造方法。 - 前記第一ドープ層、前記第二ドープ層および前記活性層が、III-V族化合物の半導体材料からなる請求項15に記載の半導体の製造方法。
- 前記第一ドープ層がn-GaN層であり、前記第二ドープ層がp-GaN層である請求項16に記載の半導体の製造方法。
- 少なくとも2つの第一伝導型金属電極を接続するため、第一ドープ層上に第一金属ワイヤ経路を形成する工程と、
少なくとも2つの第二伝導型金属電極を接続するため、第二ドープ層上に第二金属ワイヤ経路を形成する工程と
をさらに具える請求項15に記載の半導体の製造方法。 - パッケージ基板を設ける工程と、
前記透明層の第二表面が、前記パッケージ基板から離れて外方に向くよう、前記半導体を前記パッケージ基板上にひっくり返す工程と、
前記第一伝導型金属電極および前記第二伝導型金属電極を介して前記パッケージ基板に前記半導体を電気的に接続する工程と
をさらに具える請求項15に記載の半導体の製造方法。 - 前記パッケージ基板と前記第二ドープ層との間に、各々が前記パッケージ基板と前記第二ドープ層との間の電流伝導経路および放熱経路を設ける金属バンプ層およびパッド層を形成する工程をさらに具える請求項19に記載の半導体の製造方法。
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US12/422,027 US7952106B2 (en) | 2009-04-10 | 2009-04-10 | Light emitting diode device having uniform current distribution and method for forming the same |
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JP2010251693A true JP2010251693A (ja) | 2010-11-04 |
JP2010251693A5 JP2010251693A5 (ja) | 2014-01-23 |
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US (2) | US7952106B2 (ja) |
EP (1) | EP2239791A3 (ja) |
JP (1) | JP2010251693A (ja) |
KR (1) | KR20100113008A (ja) |
CN (1) | CN101859849B (ja) |
TW (1) | TWI387136B (ja) |
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EP2239791A3 (en) | 2011-01-19 |
CN101859849B (zh) | 2012-05-30 |
US7952106B2 (en) | 2011-05-31 |
TW201037866A (en) | 2010-10-16 |
US8258519B2 (en) | 2012-09-04 |
TWI387136B (zh) | 2013-02-21 |
US20110193061A1 (en) | 2011-08-11 |
EP2239791A2 (en) | 2010-10-13 |
CN101859849A (zh) | 2010-10-13 |
US20100258835A1 (en) | 2010-10-14 |
KR20100113008A (ko) | 2010-10-20 |
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