JP5951180B2 - 飽和変換材料を有するエミッタパッケージ - Google Patents
飽和変換材料を有するエミッタパッケージ Download PDFInfo
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- JP5951180B2 JP5951180B2 JP2011002499A JP2011002499A JP5951180B2 JP 5951180 B2 JP5951180 B2 JP 5951180B2 JP 2011002499 A JP2011002499 A JP 2011002499A JP 2011002499 A JP2011002499 A JP 2011002499A JP 5951180 B2 JP5951180 B2 JP 5951180B2
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- 239000000463 material Substances 0.000 title claims abstract description 168
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 150
- 239000004065 semiconductor Substances 0.000 claims abstract description 57
- 238000001228 spectrum Methods 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 63
- 239000002245 particle Substances 0.000 claims description 28
- 239000011241 protective layer Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 abstract description 6
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 30
- 229920006395 saturated elastomer Polymers 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000004593 Epoxy Substances 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- 229910004283 SiO 4 Inorganic materials 0.000 description 5
- 238000000295 emission spectrum Methods 0.000 description 5
- 229910052733 gallium Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052727 yttrium Inorganic materials 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 229910052712 strontium Inorganic materials 0.000 description 4
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000009877 rendering Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910002367 SrTiO Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910019990 cerium-doped yttrium aluminum garnet Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- -1 phosphors Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01L33/48—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 body packages
- H01L33/50—Wavelength conversion elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0091—Scattering means in or on the semiconductor body or semiconductor body package
-
- 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
- H01L33/48—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 body packages
- H01L33/50—Wavelength conversion elements
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0087—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for illuminating phosphorescent or fluorescent materials, e.g. using optical arrangements specifically adapted for guiding or shaping laser beams illuminating these materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02257—Out-coupling of light using windows, e.g. specially adapted for back-reflecting light to a detector inside the housing
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Luminescent Compositions (AREA)
- Led Device Packages (AREA)
- Semiconductor Lasers (AREA)
- Led Devices (AREA)
- Bipolar Transistors (AREA)
- Radiation-Therapy Devices (AREA)
Description
本発明のこれら及び他のさらなる特徴及び利点は、添付の図面と共になされた以下の詳細な説明から、当業者には明らかになるであろう。
Y2O2S:Eu3+,Bi3+
YVO4:Eu3+,Bi3+
SrS:Eu2+
SrY2S4:Eu2+
CaLa2S4:Ce3+
(Ca,Sr)S:Eu2+
Y2O3:Eu3+,Bi3+
Lu2O3:Eu3+
(Sr2-xLax)(Cel-xEux)O4
Sr2Ce1-xEuxO4
Sr2-xEuxCeO4
Sr2CeO4
SrTiO3:Pr3+,Ga3+
<オレンジ色>
SrSiO3:Eu,Bi
<黄色/緑色>
YBO3:Ce3+,Tb3+
BaMgAl10Ol7:Eu2+,Mn2+
(Sr,Ca,Ba)(Al,Ga)2S4:Eu2+
ZnS:Cu+,Al3+
LaPO4:Ce,Tb
Ca8Mg(SiO4)4Cl2:Eu2+,Mn2+
((Gd,Y,Lu,Se,La,Sm)3(Al,Ga,In)5O12:Ce3+
((Gd,Y)1-xSmx)3(Al1-yGay)5O12:Ce3+
(Y1-p-q-rGdpCeqSmr)3(Al1-yGay)5O12
Y3(Al1-sGas)5O12:Ce3+
(Y,Ga,La)3Al5O12:Ce3+
Gd3In5O12:Ce3+
(Gd,Y)3Al5O12:Ce3+,Pr3+
Ba2(Mg,Zn)Si2O7:Eu2+
(Y,Ca,Sr)3(Al,Ga,Si)5(O,S)12
Gd0.46Sr0.31Al1.23OxF1.38:Eu2+ 0.06
(Ba1-x-ySrxCay)SiO4:Eu
Ba2SiO4:Eu2+
<青色>
ZnS:Ag,Al
<黄色/赤色の混合色>
Y3Al5Ol2:Ce3+,Pr3+
<白色>
SrS:Eu2+,Ce3+,K+
Lu2O3:Eu3+
(Sr2-xLax)(Ce1-xEux)O4
Sr2Cel-xEuxO4
Sr2-xEuxCeO4
SrTiO3:Pr3+,Ga3+
<黄色/緑色>
(Sr,Ca,Ba)(Al,Ga)2S4:Eu2+
Ba2(Mg,Zn)Si2O7:Eu2+
Gd0.46Sr0.31Al1.23OxF1.38:Eu2+ 0.06
(Bal-x-ySrxCay)SiO4:Eu
Ba2SiO4:Eu2+
図2は、本発明による飽和変換材料を有するLEDパッケージの出力強度とピーク発光波長の関係をグラフに示す図で、本発明による4つの異なるLEDパッケージのナノメートル(nm)単位のピーク発光波長での発光性能を、それぞれのLEDパッケージにおけるLEDに350mAを印加した状態で、ルーメン単位でプロットしたグラフを示す図である。このグラフ40によれば、緑色Sr:チオガレート燐光体を変換材料として使用して、このLEDパッケージは、約530nmのピーク波長で最大58ルーメンまで発光したが、これは典型的な緑色発光LEDの性能より大幅に改善されている。
Claims (4)
- エミッタパッケージであって、
半導体エミッタと、
前記半導体エミッタの機械的な安定のためのサブマウントであって、前記半導体エミッタが取り付けられるサブマウントと、
前記半導体エミッタ及び前記サブマウントが底面に配置される金属カップであって、前記半導体エミッタから放出される光を反射するための反射面を備え、前記エミッタパッケージのエミッション全体に寄与する金属カップと、
変換材料を備える変換層と、
保護層と、
を備え、
前記変換材料の量は、前記半導体エミッタの光束と寸法に依存する量であり、前記半導体エミッタから放出される光の全てを吸収して1つ又は複数の異なる光の波長スペクトルで再放出するのに十分な量であって、再放出光の遮断を最小限とする量であり、
前記変換層は、前記半導体エミッタからの光を分散させる散乱粒子を含み、前記散乱粒子は、前記半導体エミッタからの光のパターンにマッチする濃度変化を有するように分布しており、
前記保護層は、前記金属カップ中にありかつ前記半導体エミッタを覆い、放射線に対して耐久力がありかつ透明であり、前記変換材料を有さず、前記変換材料と前記半導体エミッタとの間に介在して、前記変換材料を前記半導体エミッタから分離する
ことを特徴とするエミッタパッケージ。 - 半導体光エミッタパッケージであって、
各々が電流に応答して発光する、1つ又は複数の半導体光エミッタと、
変換材料を含む変換材料層と
を備え、
前記変換材料は、前記半導体光エミッタからの光を吸収するとともに、1つ又は複数の異なる波長の光を再放出し、
前記変換材料の量は、前記半導体光エミッタの光束と寸法に依存する量であり、前記1つ又は複数の半導体エミッタから放出される光の全てを吸収するのに十分な量であって、再放出光の遮断を最小限とする量であり、
前記変換材料層は、前記半導体エミッタからの光を分散させる散乱粒子を含み、前記散乱粒子は、前記半導体エミッタからの光のパターンにマッチする濃度変化を有するように分布していること
を特徴とするエミッタパッケージ。 - 各々がバイアスに応答して発光する1つ又は複数の半導体エミッタと、
該半導体エミッタがその底面に配置される金属カップと、
前記半導体エミッタに結合し、前記半導体エミッタにバイアスを印加するための複数の導体と、
前記半導体エミッタからの光の全てを吸収するとともに、1つ又は複数の異なる波長の光を再放出するような変換材料を含む変換材料層とを備え、
前記変換材料層は、前記半導体エミッタからの光を分散させる散乱粒子を含み、前記散乱粒子は、前記半導体エミッタからの光のパターンにマッチする濃度変化を有するように分布しており、
前記変換材料の量は、前記変換材料によって遮断される再放出光の遮断量を最小限とする量に調整されていること
を特徴とするエミッタパッケージ。 - 半導体エミッタと、
前記半導体エミッタからの光を全て吸収するとともに、1つ又は複数の異なる波長の光を再放出するような変換材料を含む変換材料層とを備え、
前記変換材料の量は、前記変換材料によって遮断される再放出光の遮断量を最小限とする量に調整されており、
前記変換材料層は、前記半導体エミッタからの光を分散させる散乱粒子を含み、前記散乱粒子は、前記半導体エミッタからの光のパターンにマッチする濃度変化を有するように分布していることを特徴とするエミッタパッケージ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38832702P | 2002-06-13 | 2002-06-13 | |
US60/388,327 | 2002-06-13 |
Related Parent Applications (1)
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JP2004514148A Division JP2005530349A (ja) | 2002-06-13 | 2003-06-12 | 飽和変換材料を有するエミッタパッケージ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011082568A JP2011082568A (ja) | 2011-04-21 |
JP2011082568A5 JP2011082568A5 (ja) | 2012-12-06 |
JP5951180B2 true JP5951180B2 (ja) | 2016-07-13 |
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JP2004514148A Pending JP2005530349A (ja) | 2002-06-13 | 2003-06-12 | 飽和変換材料を有するエミッタパッケージ |
JP2011002499A Expired - Lifetime JP5951180B2 (ja) | 2002-06-13 | 2011-01-07 | 飽和変換材料を有するエミッタパッケージ |
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JP2004514148A Pending JP2005530349A (ja) | 2002-06-13 | 2003-06-12 | 飽和変換材料を有するエミッタパッケージ |
Country Status (11)
Country | Link |
---|---|
US (1) | US20040012027A1 (ja) |
EP (1) | EP1512181B1 (ja) |
JP (2) | JP2005530349A (ja) |
CN (1) | CN100405620C (ja) |
AT (1) | ATE421169T1 (ja) |
AU (1) | AU2003238234A1 (ja) |
CA (1) | CA2489237A1 (ja) |
DE (1) | DE60325851D1 (ja) |
MY (1) | MY138406A (ja) |
TW (1) | TWI329367B (ja) |
WO (1) | WO2003107441A2 (ja) |
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- 2003-06-12 CN CNB038187116A patent/CN100405620C/zh not_active Expired - Lifetime
- 2003-06-12 JP JP2004514148A patent/JP2005530349A/ja active Pending
- 2003-06-12 US US10/461,561 patent/US20040012027A1/en not_active Abandoned
- 2003-06-12 CA CA002489237A patent/CA2489237A1/en not_active Abandoned
- 2003-06-12 TW TW092115977A patent/TWI329367B/zh not_active IP Right Cessation
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WO2003107441A8 (en) | 2004-04-29 |
CN1675781A (zh) | 2005-09-28 |
ATE421169T1 (de) | 2009-01-15 |
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TW200409478A (en) | 2004-06-01 |
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