JP2009130301A - 発光素子および発光素子の製造方法 - Google Patents
発光素子および発光素子の製造方法 Download PDFInfo
- Publication number
- JP2009130301A JP2009130301A JP2007306633A JP2007306633A JP2009130301A JP 2009130301 A JP2009130301 A JP 2009130301A JP 2007306633 A JP2007306633 A JP 2007306633A JP 2007306633 A JP2007306633 A JP 2007306633A JP 2009130301 A JP2009130301 A JP 2009130301A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- resin
- light scattering
- chromaticity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 229920005989 resin Polymers 0.000 claims abstract description 236
- 239000011347 resin Substances 0.000 claims abstract description 236
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000000149 argon plasma sintering Methods 0.000 claims description 148
- 239000000463 material Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000003746 surface roughness Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 51
- 239000000758 substrate Substances 0.000 description 27
- 239000006185 dispersion Substances 0.000 description 13
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000008569 process Effects 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 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 229920002050 silicone resin Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- -1 etc. Substances 0.000 description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 150000001408 amides Chemical class 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel 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
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004381 surface treatment 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
- H01L33/48—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
- H01L33/52—Encapsulations
- H01L33/56—Materials, e.g. epoxy or silicone resin
-
- 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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- 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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32245—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
-
- 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
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
-
- 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
- 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
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
-
- 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
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
-
- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/73—Means for bonding being of different types provided for in two or more of groups H01L24/10, H01L24/18, H01L24/26, H01L24/34, H01L24/42, H01L24/50, H01L24/63, H01L24/71
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01019—Potassium [K]
-
- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
-
- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
- H01L2924/1815—Shape
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
Abstract
【解決手段】蛍光体110を含有し、発光ダイオードチップ108を被覆する封止樹脂部105の表面の少なくとも一部に光散乱部106を形成する。発光ダイオードチップ108からの光は光散乱部106において散乱し、封止樹脂部105に戻り、蛍光体110を励起して蛍光を生じさせる。発光ダイオードチップ108から発光素子100外部に発する光の一部を封止樹脂部105に戻し、蛍光体110において光の色度を変換することによって、発光素子100の色度のばらつきを調整する。
【選択図】図3
Description
本発明に係る発光素子の一実施形態について、図1〜図4を参照して以下に説明する。図1は、本発明の一実施形態に係る発光素子100の上面図であり、図2は、図1に示す発光素子100の内部を示す上面図であり、図3は、図1に示す発光素子100をA−A’線で切断したときの断面図である。図4は、図1に示す発光素子100における色度のばらつきを説明する色度図である。
本発明に係る発光素子の他の実施形態について、図5〜7を参照して以下に説明する。図5は、本発明の他の実施形態に係る発光素子200の断面図であり、図6は、図5に示す発光素子200の内部を示す上面図であり、図7は、図5に示す発光素子200における色度のばらつきを説明する色度図である。なお、本実施形態において、第1の実施形態と同一の部材および構成に関する詳細な説明は省略する。
封止樹脂部208中における蛍光体209の含有量は、蛍光体209を含有したときの色度分布の最大値(x、yの最大値)が、目的とする色度よりも小さくなるように設定されている。そして、この蛍光体209を含有する封止樹脂部208の表面の全面には、発光ダイオードチップ203からの光を散乱させるための光散乱部が形成されている。本実施形態において光散乱部は、光散乱材を含有する光散乱樹脂部210である。なお、封止樹脂部208と光散乱樹脂部210とを形成する樹脂材料はそれぞれ異なる樹脂を用いてもよい。
本発明に係る発光素子の他の実施形態について、図10および11を参照して以下に説明する。図10および図11は、本発明に係る発光素子500、600の形成工程の一部を示す模式図である。本実施形態においては、光散乱部の構成以外は第1の実施形態と同一である。
発光ダイオードチップと、
発光ダイオードチップを覆うよう形成された少なくとも1種類以上の蛍光体が分散された樹脂部とから少なくともなる発光素子において、樹脂表面上の少なくとも1領域に、発光素子の色度を調整するための発光ダイオードチップの光を散乱させるための構造が設けられていることを特徴とする発光素子。
青色発光ダイオードチップと、青色発光ダイオードチップが実装され、さらに青色発光ダイオードチップが実装されていない表面上の少なくとも1領域には、電極パターンが形成されているアルミナ基板と、青色発光ダイオード上面に設けられた電極部と電極パターンの間に設けられた金線と、青色発光ダイオードを覆うように形成されている樹脂部とからなる発光素子において、樹脂表面上の少なくとも1領域に、発光素子の色度を調整するための発光ダイオードの光を散乱させるための構造が設けられていることを特徴とする第1の構成に記載の発光素子。
青色発光ダイオードチップと、青色発光ダイオードチップが実装され、さらに青色発光ダイオードチップが実装されていない表面上の少なくとも1領域に、電極パターンが形成された樹脂からなる基板と、樹脂基板の底部には、電極パターンに接続されている電極構造が形成され、この樹脂基板上には、青色発光ダイオードチップを覆うような井戸形状を有する樹脂からなるリフレクター部が形成され、青色発光ダイオードチップ上に設けられた電極部と電極パターンの間に設けられた金線と、青色発光ダイオードチップを覆うように形成されている、リフレクター内に充填された樹脂部からなる発光素子において、樹脂表面上の少なくとも1領域に、発光素子の色度を調整するための発光ダイオードの光を散乱させる構造が設けられていることを特徴とする第1の構成に記載の発光素子。
前記、散乱構造は、透明樹脂中に光散乱材が分散された樹脂からなることを特徴とする第1乃至3の構成に記載の発光素子。
前記、散乱構造は、蛍光体が分散された樹脂表面上に、可視光の波長以上の大きさの表面粗さRaを有する複数の凹凸構造が不規則上に設けられているものであることを特徴とする第1乃至3の構成に記載の発光素子。
前記、樹脂表面上に1ないし複数の断面形状が略一定のストライプ形状の溝構造が設けられていることを特徴とする第5の構成に記載の発光素子。
発光素子の樹脂部の作製方法において、発光ダイオードチップを覆うよう蛍光体が分散された樹脂を塗布、硬化する工程と、硬化後に色度を測定する工程と、前記樹脂部上に、色度に応じて発光ダイオードチップからの発光を散乱させる散乱構造を形成する工程を含む、発光素子の製造方法。
前記、散乱構造を形成する工程は、光散乱材が分散された樹脂を蛍光体が塗布された樹脂表面上に塗布、硬化させる工程を含む第7の構成に記載の発光素子の製造方法。
前記、散乱構造を形成する工程は、一定濃度の光散乱材が分散された樹脂の樹脂厚を調整したものを形成する工程を含む、第7の構成に記載の発光素子の製造方法。
前記、散乱構造を形成する工程は、分散濃度が調整されている光散乱材が分散された樹脂を一定の面積形成する工程を含む、第7の構成に記載の発光素子の製造方法。
前記、散乱構造を形成する工程は、一定濃度の光散乱材が分散された樹脂の面積を調整したものを形成する工程を含む、第7の構成に記載の発光素子の製造方法。
前記、樹脂部上に、散乱構造を形成する工程は、樹脂表面を研磨材によって研磨する工程である第7の構成に記載の発光素子の製造方法。
前記、樹脂部上に、散乱構造を形成する工程は、樹脂表面にブレードでストライプ形状の溝部を形成する工程を含む、第7の構成に記載の発光素子の製造方法。
樹脂中への蛍光体の分散量は、蛍光体が分散された樹脂を塗布、硬化後に測定される色度のばらつきの最大値が、設定目標とされる色度中心値より、小さくなるような分散量に設定しておくことを特徴とする第7乃至13の構成に記載の発光素子の製造方法。
101 基板
105 封止樹脂部(第1の樹脂部)
106 光散乱樹脂部(光散乱部)
108 発光ダイオードチップ
110 蛍光体
Claims (13)
- 発光ダイオードチップと、
蛍光体を含有し、前記発光ダイオードチップを被覆する第1の樹脂部とを備えた発光素子であって、
前記第1の樹脂部の表面の少なくとも一部に、光を散乱させる光散乱部を備えていることを特徴とする発光素子。 - 前記光散乱部は、光散乱材を含有する第2の樹脂部からなることを特徴とする請求項1に記載の発光素子。
- 前記光散乱部は、可視光の波長以上の表面粗さRaを有する凹凸形状であることを特徴とする請求項1に記載の発光素子。
- 前記光散乱部は、少なくとも1つの溝からなることを特徴とする請求項1に記載の発光素子。
- 前記第1の樹脂部は、当該第1の樹脂部の表面から放射されるの光の色度のばらつき範囲における最大値が、色度の目標値よりも小さくなるような量の蛍光体を含有していることを特徴とする請求項1〜4のいずれか1項に記載の発光素子。
- 前記第1の樹脂部は、光を反射する表面を有するリフレクター部に包囲されていることを特徴とする請求項1〜5のいずれか1項に記載の発光素子。
- 発光ダイオードチップと、
蛍光体を含有し、前記発光ダイオードチップを被覆する第1の樹脂部とを含む発光素子の製造方法であって、
前記第1の樹脂部の表面の少なくとも一部に、光を散乱させる光散乱部を形成する光散乱部形成工程を含むことを特徴とする発光素子の製造方法。 - 前記第1の樹脂部の表面から放射される光の色度を測定する測定工程を含み、
前記光散乱部形成工程において、前記測定工程において測定した色度に応じて、形成する光散乱部の光の散乱量を調整することを特徴とする請求項7に記載の発光素子の製造方法。 - 前記光散乱部は、光散乱材を含有する第2の樹脂部からなり、
前記光散乱部形成工程において、前記測定工程において測定した色度に応じて、前記第2の樹脂部の厚みを調整することを特徴とする請求項8に記載の発光素子の製造方法。 - 前記光散乱部は、光散乱材を含有する第2の樹脂部からなり、
前記光散乱部形成工程において、前記測定工程において測定した色度に応じて、前記第2の樹脂部の含有する前記光散乱材の量を調整することを特徴とする請求項8に記載の発光素子の製造方法。 - 前記光散乱部は、光散乱材を含有する第2の樹脂部からなり、
前記光散乱部形成工程において、前記測定工程において測定した色度に応じて、前記第1の樹脂部の表面における前記第2の樹脂部の形成面積を調整することを特徴とする請求項8に記載の発光素子の製造方法。 - 前記光散乱部は凹凸形状であり、
前記光散乱部形成工程において、前記測定工程において測定した色度に応じて、前記凹凸形状の表面粗さRaが、第1の樹脂部の表面から放射される光の波長以上の大きさになるように調整することを特徴とする請求項8に記載の発光素子の製造方法。 - 前記光散乱部は溝形状であり、
前記光散乱部形成工程において、前記測定工程において測定した色度に応じて、前記溝形状の幅、深さ、数および間隔を調整することを特徴とする請求項8に記載の発光素子の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007306633A JP2009130301A (ja) | 2007-11-27 | 2007-11-27 | 発光素子および発光素子の製造方法 |
CN2008101812523A CN101447544B (zh) | 2007-11-27 | 2008-11-18 | 发光元件及其制造方法 |
CN2012104506668A CN102945917A (zh) | 2007-11-27 | 2008-11-18 | 发光元件 |
US12/274,150 US20090134415A1 (en) | 2007-11-27 | 2008-11-19 | Light emitting element and method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007306633A JP2009130301A (ja) | 2007-11-27 | 2007-11-27 | 発光素子および発光素子の製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009130301A true JP2009130301A (ja) | 2009-06-11 |
Family
ID=40668939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007306633A Pending JP2009130301A (ja) | 2007-11-27 | 2007-11-27 | 発光素子および発光素子の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090134415A1 (ja) |
JP (1) | JP2009130301A (ja) |
CN (2) | CN102945917A (ja) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009260244A (ja) * | 2008-03-25 | 2009-11-05 | Toshiba Corp | 発光装置及びその製造方法、並びに発光装置の製造装置 |
JP2009283887A (ja) * | 2008-04-24 | 2009-12-03 | Citizen Holdings Co Ltd | Led光源及びled光源の色度調整方法 |
JP2011159768A (ja) * | 2010-01-29 | 2011-08-18 | Toshiba Corp | Ledパッケージ及びledパッケージの製造方法 |
JP2011171769A (ja) * | 2011-06-06 | 2011-09-01 | Toshiba Corp | Ledパッケージの包装材 |
JP2011200398A (ja) * | 2010-03-25 | 2011-10-13 | Fujifilm Corp | 内視鏡 |
US8268644B2 (en) | 2008-03-25 | 2012-09-18 | Kabushiki Kaisha Toshiba | Light emitting device, and method and apparatus for manufacturing same |
JP2012182484A (ja) * | 2012-05-21 | 2012-09-20 | Toshiba Corp | Ledパッケージ |
JP2012248714A (ja) * | 2011-05-30 | 2012-12-13 | Panasonic Corp | Ledパッケージ製造システムおよびledパッケージ製造システムにおける樹脂塗布方法 |
JP2012248715A (ja) * | 2011-05-30 | 2012-12-13 | Panasonic Corp | 樹脂塗布装置および樹脂塗布方法 |
JP2013008979A (ja) * | 2012-08-02 | 2013-01-10 | Toshiba Corp | 半導体パッケージ |
JP5261742B1 (ja) * | 2012-08-13 | 2013-08-14 | 株式会社昭和真空 | 発光装置の製造方法及び発光装置の色度調整方法 |
JP2014041863A (ja) * | 2012-08-21 | 2014-03-06 | Citizen Holdings Co Ltd | 半導体発光装置及びその製造方法 |
JP2014130871A (ja) * | 2012-12-28 | 2014-07-10 | Konica Minolta Inc | 発光装置 |
JP2014241313A (ja) * | 2013-06-11 | 2014-12-25 | シチズンホールディングス株式会社 | Led装置 |
US9391249B2 (en) | 2014-10-10 | 2016-07-12 | Lg Electronics Inc. | Light emitting device package and method of fabricating the same |
KR20160096453A (ko) * | 2015-02-05 | 2016-08-16 | 엘지전자 주식회사 | 발광소자 패키지를 구비하는 디스플레이 장치 |
US9691950B2 (en) | 2013-07-25 | 2017-06-27 | Nichia Corporation | Light emitting device and method of manufacturing light emitting device |
US10439113B2 (en) | 2016-09-30 | 2019-10-08 | Nichia Corporation | Light emitting device |
JP2022028040A (ja) * | 2013-11-14 | 2022-02-14 | 晶元光電股▲ふん▼有限公司 | 発光装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9041042B2 (en) | 2010-09-20 | 2015-05-26 | Cree, Inc. | High density multi-chip LED devices |
DE102008054029A1 (de) * | 2008-10-30 | 2010-05-06 | Osram Opto Semiconductors Gmbh | Optoelektronisches Halbleiterbauteil |
US8679865B2 (en) * | 2009-08-28 | 2014-03-25 | Samsung Electronics Co., Ltd. | Resin application apparatus, optical property correction apparatus and method, and method for manufacturing LED package |
JP4764519B1 (ja) * | 2010-01-29 | 2011-09-07 | 株式会社東芝 | Ledパッケージ |
JP2011258649A (ja) * | 2010-06-07 | 2011-12-22 | Sanken Electric Co Ltd | 照明装置及び照明装置の制御方法 |
US20140009074A1 (en) * | 2010-12-13 | 2014-01-09 | Chef D'oeuvre Electronics (Shenzhen) Ltd. | Led lamp string |
DE102011016567B4 (de) * | 2011-04-08 | 2023-05-11 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zum Herstellen eines optoelektronischen Bauelements und derart hergestelltes Bauelement |
TWI489658B (zh) | 2012-05-25 | 2015-06-21 | Toshiba Kk | 半導體發光裝置及光源單元 |
KR20140124110A (ko) * | 2013-04-16 | 2014-10-24 | 주식회사 포스코엘이디 | 광 반도체 조명장치 |
DE102013215646A1 (de) * | 2013-08-08 | 2015-02-12 | Osram Opto Semiconductors Gmbh | Anzeigevorrichtung und Verfahren zum Herstellen einer Anzeigevorrichtung |
CN103913799A (zh) * | 2014-04-09 | 2014-07-09 | 常州巨猫电子科技有限公司 | 一种led导光柱及其应用 |
KR102378761B1 (ko) * | 2015-07-21 | 2022-03-25 | 엘지이노텍 주식회사 | 일체형 발광 패키지 및 이를 이용한 차량용 램프 |
US9985182B2 (en) * | 2015-12-25 | 2018-05-29 | Citizen Electronics Co., Ltd. | Light-emitting apparatus and color-matching apparatus |
CN107038965A (zh) * | 2017-05-05 | 2017-08-11 | 深圳浩翔光电技术有限公司 | Led显示装置、成型模组、及其生产工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003234509A (ja) * | 2002-02-08 | 2003-08-22 | Citizen Electronics Co Ltd | 発光ダイオード |
JP2004193451A (ja) * | 2002-12-13 | 2004-07-08 | Citizen Electronics Co Ltd | 発光ダイオード |
JP2004342782A (ja) * | 2003-05-14 | 2004-12-02 | Nichia Chem Ind Ltd | 発光装置及びその製造方法 |
JP2005191197A (ja) * | 2003-12-25 | 2005-07-14 | Kyocera Corp | 発光装置 |
JP2006270120A (ja) * | 2003-12-19 | 2006-10-05 | Kyocera Corp | 発光ダイオード装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW383508B (en) * | 1996-07-29 | 2000-03-01 | Nichia Kagaku Kogyo Kk | Light emitting device and display |
JP4172196B2 (ja) * | 2002-04-05 | 2008-10-29 | 豊田合成株式会社 | 発光ダイオード |
US20050133808A1 (en) * | 2003-09-11 | 2005-06-23 | Kyocera Corporation | Package for housing light-emitting element, light-emitting apparatus and illumination apparatus |
JP2005191420A (ja) * | 2003-12-26 | 2005-07-14 | Stanley Electric Co Ltd | 波長変換層を有する半導体発光装置およびその製造方法 |
EP1548856A3 (en) * | 2003-12-26 | 2012-08-08 | Nitto Denko Corporation | Electroluminescence device, planar light source and display using the same |
US7553683B2 (en) * | 2004-06-09 | 2009-06-30 | Philips Lumiled Lighting Co., Llc | Method of forming pre-fabricated wavelength converting elements for semiconductor light emitting devices |
JP2006286906A (ja) * | 2005-03-31 | 2006-10-19 | Sony Corp | 発光ダイオード装置とこれを用いたバックライト装置及び液晶表示装置 |
US7473939B2 (en) * | 2006-01-06 | 2009-01-06 | Formosa Epitaxy Incorporation | Light-emitting diode structure with transparent window covering layer of multiple films |
-
2007
- 2007-11-27 JP JP2007306633A patent/JP2009130301A/ja active Pending
-
2008
- 2008-11-18 CN CN2012104506668A patent/CN102945917A/zh active Pending
- 2008-11-18 CN CN2008101812523A patent/CN101447544B/zh not_active Expired - Fee Related
- 2008-11-19 US US12/274,150 patent/US20090134415A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003234509A (ja) * | 2002-02-08 | 2003-08-22 | Citizen Electronics Co Ltd | 発光ダイオード |
JP2004193451A (ja) * | 2002-12-13 | 2004-07-08 | Citizen Electronics Co Ltd | 発光ダイオード |
JP2004342782A (ja) * | 2003-05-14 | 2004-12-02 | Nichia Chem Ind Ltd | 発光装置及びその製造方法 |
JP2006270120A (ja) * | 2003-12-19 | 2006-10-05 | Kyocera Corp | 発光ダイオード装置 |
JP2005191197A (ja) * | 2003-12-25 | 2005-07-14 | Kyocera Corp | 発光装置 |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8268644B2 (en) | 2008-03-25 | 2012-09-18 | Kabushiki Kaisha Toshiba | Light emitting device, and method and apparatus for manufacturing same |
JP2009260244A (ja) * | 2008-03-25 | 2009-11-05 | Toshiba Corp | 発光装置及びその製造方法、並びに発光装置の製造装置 |
US8592849B2 (en) | 2008-04-24 | 2013-11-26 | Citizen Holdings Co., Ltd. | LED light source and chromaticity adjustment method for LED light source |
JP2009283887A (ja) * | 2008-04-24 | 2009-12-03 | Citizen Holdings Co Ltd | Led光源及びled光源の色度調整方法 |
JP2011159768A (ja) * | 2010-01-29 | 2011-08-18 | Toshiba Corp | Ledパッケージ及びledパッケージの製造方法 |
US8525202B2 (en) | 2010-01-29 | 2013-09-03 | Kabushiki Kaisha Toshiba | LED package, method for manufacturing LED package, and packing member for LED package |
JP2011200398A (ja) * | 2010-03-25 | 2011-10-13 | Fujifilm Corp | 内視鏡 |
JP2012248714A (ja) * | 2011-05-30 | 2012-12-13 | Panasonic Corp | Ledパッケージ製造システムおよびledパッケージ製造システムにおける樹脂塗布方法 |
JP2012248715A (ja) * | 2011-05-30 | 2012-12-13 | Panasonic Corp | 樹脂塗布装置および樹脂塗布方法 |
US9147617B2 (en) | 2011-05-30 | 2015-09-29 | Panasonic Intellectual Property Management Co., Ltd. | Resin coating device and a resin coating method |
US8993353B2 (en) | 2011-05-30 | 2015-03-31 | Panasonic Intellectual Property Management Co., Ltd. | LED package manufacturing system and resin coating method for use in LED package manufacturing system |
JP2011171769A (ja) * | 2011-06-06 | 2011-09-01 | Toshiba Corp | Ledパッケージの包装材 |
JP2012182484A (ja) * | 2012-05-21 | 2012-09-20 | Toshiba Corp | Ledパッケージ |
JP2013008979A (ja) * | 2012-08-02 | 2013-01-10 | Toshiba Corp | 半導体パッケージ |
JP5261742B1 (ja) * | 2012-08-13 | 2013-08-14 | 株式会社昭和真空 | 発光装置の製造方法及び発光装置の色度調整方法 |
JP2014041863A (ja) * | 2012-08-21 | 2014-03-06 | Citizen Holdings Co Ltd | 半導体発光装置及びその製造方法 |
JP2014130871A (ja) * | 2012-12-28 | 2014-07-10 | Konica Minolta Inc | 発光装置 |
JP2014241313A (ja) * | 2013-06-11 | 2014-12-25 | シチズンホールディングス株式会社 | Led装置 |
US9691950B2 (en) | 2013-07-25 | 2017-06-27 | Nichia Corporation | Light emitting device and method of manufacturing light emitting device |
JP2022028040A (ja) * | 2013-11-14 | 2022-02-14 | 晶元光電股▲ふん▼有限公司 | 発光装置 |
JP7277557B2 (ja) | 2013-11-14 | 2023-05-19 | 晶元光電股▲ふん▼有限公司 | 発光装置 |
US9391249B2 (en) | 2014-10-10 | 2016-07-12 | Lg Electronics Inc. | Light emitting device package and method of fabricating the same |
KR20160096453A (ko) * | 2015-02-05 | 2016-08-16 | 엘지전자 주식회사 | 발광소자 패키지를 구비하는 디스플레이 장치 |
KR101707972B1 (ko) * | 2015-02-05 | 2017-02-27 | 엘지전자 주식회사 | 발광소자 패키지를 구비하는 디스플레이 장치 |
US10749088B2 (en) | 2016-09-30 | 2020-08-18 | Nichia Corporation | Light emitting device |
US10439113B2 (en) | 2016-09-30 | 2019-10-08 | Nichia Corporation | Light emitting device |
Also Published As
Publication number | Publication date |
---|---|
CN102945917A (zh) | 2013-02-27 |
CN101447544A (zh) | 2009-06-03 |
US20090134415A1 (en) | 2009-05-28 |
CN101447544B (zh) | 2013-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2009130301A (ja) | 発光素子および発光素子の製造方法 | |
KR101937643B1 (ko) | 발광 모듈, 램프, 조명기구 및 디스플레이 장치 | |
US8288790B2 (en) | Light-emitting device | |
JP6121915B2 (ja) | 発光モジュール、ランプ、照明器具、及び表示装置 | |
JP5113820B2 (ja) | 発光装置 | |
JP5810301B2 (ja) | 照明装置 | |
TW200537716A (en) | Light-emitting apparatus and illuminating apparatus | |
JP5598323B2 (ja) | 発光装置および発光装置の製造方法 | |
JPWO2005091387A1 (ja) | 発光装置および照明装置 | |
US20130126927A1 (en) | Semiconductor light emitting device | |
JP2007116133A (ja) | 発光装置 | |
JP2008270781A (ja) | 発光装置 | |
JP5082427B2 (ja) | 発光装置 | |
US11996504B2 (en) | Light-emitting device and method of manufacturing the same | |
JP2007116117A (ja) | 発光装置 | |
JP5194675B2 (ja) | 発光装置 | |
JP7108171B2 (ja) | 発光装置 | |
JP2008140934A (ja) | 発光ダイオード装置及び照明装置 | |
JP6997869B2 (ja) | 波長変換素子および光源装置 | |
JP2005277331A (ja) | 発光装置および照明装置 | |
JP2006278741A (ja) | 発光装置および照明装置 | |
JP6097040B2 (ja) | 半導体発光装置およびその製造方法 | |
US20180358519A1 (en) | Light-emitting device and method for manufacturing same | |
JP2007116116A (ja) | 発光装置 | |
JP4417757B2 (ja) | 発光装置およびその製造方法ならびに照明装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100218 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120221 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120222 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120413 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20120619 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120912 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20120921 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20121026 |