JP2013182975A - 発光装置及びこれを用いたバックライトシステム - Google Patents
発光装置及びこれを用いたバックライトシステム Download PDFInfo
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000006243 chemical reaction Methods 0.000 claims abstract description 51
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 8
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims description 26
- 239000004332 silver Substances 0.000 claims description 25
- 229910052711 selenium Inorganic materials 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 229910052714 tellurium Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- -1 rare earth activated phosphor Chemical class 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 26
- 239000002159 nanocrystal Substances 0.000 abstract description 26
- 150000002910 rare earth metals Chemical class 0.000 abstract description 2
- 230000004913 activation Effects 0.000 abstract 2
- 239000004065 semiconductor Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229920002050 silicone resin Polymers 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 3
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 229910000673 Indium arsenide Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910007709 ZnTe Inorganic materials 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 2
- 238000006862 quantum yield reaction Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 description 1
- 229910017115 AlSb Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910004613 CdTe Inorganic materials 0.000 description 1
- 229910004611 CdZnTe Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910005540 GaP Inorganic materials 0.000 description 1
- 229910005542 GaSb Inorganic materials 0.000 description 1
- 229910004262 HgTe Inorganic materials 0.000 description 1
- 241000764773 Inna Species 0.000 description 1
- 239000004954 Polyphthalamide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002772 conduction electron Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000007709 nanocrystallization Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920006375 polyphtalamide Polymers 0.000 description 1
- 229910002059 quaternary alloy Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004054 semiconductor nanocrystal Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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
- H01L33/50—Wavelength conversion elements
-
- 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
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
-
- 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
- H01L2224/48245—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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
Abstract
【解決手段】 一次光を発光する発光素子と、前記発光素子上に前記一次光の一部を吸収して二次光を発光する波長変換部を備えた発光装置において、前記波長変換部は、少なくとも、希土類付活蛍光体もしくは遷移金属元素付活蛍光体を含む樹脂層からなる第1の波長変換部と、ナノ結晶蛍光体を含む樹脂層からなる第2の波長変換部を含む複数の樹脂層からなり、前記第1の波長変換部は、前記第2の波長変換部より、前記発光素子に近い側に配置されていることを特徴とする。
【選択図】図1
Description
図1は、本発明の第1の実施形態に係る発光装置100の断面図である。発光装置100は、電極1及び銀メッキ層2が形成された基板3と、電極1上に設けられたパッケージ4および発光素子5と、発光素子5と電極1を接続するワイヤ6、発光素子5に近い側から希土類付活蛍光体もしくは遷移金属元素付活蛍光体を含有する第1の波長変換部7とナノ結晶蛍光体を含有する第2の波長変換部8が配置されたもので構成される。
次に実施形態2について説明する。本実施形態では、第1の波長変換部にCaAlSiN3赤色蛍光体(以下、CASNと記す。)を、第2の波長変換部に緑色ナノ結晶蛍光体を用いる点が実施形態1とは異なる。
次に実施形態3について説明する。本実施形態では、波長変換部を3層で構成する点が上記実施形態のいずれとも異なる。
次に実施形態4について説明する。本実施形態では、波長変換部を3層で構成し、かつそれぞれの波長変換部から発せられる二次光の色が互いに異なる点が上記実施形態のいずれとも異なる。
次に、図7を参照して、本発明に係るサイドエッジ型バックライトシステムを説明する。本実施形態におけるサイドエッジ型バックライトシステムは、発光装置100と導光板50及び反射板51とから構成される。本実施形態では、発光装置100から出る一次光とニ次光が導光板50に入り、反射板51で反射されることで、反射板51と対向している面から一次光とニ次光を取り出す構造になっている。
2 銀メッキ層
3 基板
4 パッケージ
5 発光素子
6 ワイヤ
7、71、72、73 第1の波長変換部
8、81、82、83 第2の波長変換部
50 導光板
51 反射板
92、93 第3の波長変換部
100、200、300、400 発光装置
Claims (6)
- 一次光を発光する発光素子と、
前記発光素子上に前記一次光の一部を吸収して二次光を発光する波長変換部を備えた発光装置において、
前記波長変換部は、少なくとも、希土類付活蛍光体もしくは遷移金属元素付活蛍光体を含む樹脂層からなる第1の波長変換部と、
ナノ結晶蛍光体を含む樹脂層からなる第2の波長変換部を含む複数の樹脂層からなり、
前記第1の波長変換部は、前記第2の波長変換部より、前記発光素子に近い側に配置されていることを特徴とする発光装置。 - 前記発光装置は、基板、電極、発光素子及び前記発光素子と前記電極を接続するワイヤを含み、
前記基板、前記電極、前記ワイヤのうち少なくとも一つは銀を含む材料からなることを特徴とする請求項1記載の発光装置。 - 前記第1の波長変換部には、S、Se、Teのいずれも含まないことを特徴とする請求項1または2記載の発光装置。
- 前記発光装置は、基板、電極、発光素子及び前記発光素子と前記電極を接続するワイヤを含み、
前記第1の波長変換部は、前記発光素子、前記基板、前記電極、前記ワイヤを覆っていることを特徴とする請求項1記載の発光装置。 - 前記複数の樹脂層は、相対的に長い波長の二次光を発する順序で前記発光素子に近い側から配置されていることを特徴とする請求項1ないし4のいずれかに記載の発光装置。
- 請求項1から5のいずれかに記載の発光装置を用いたことを特徴とする映像機器のバックライトシステム。
Priority Applications (2)
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JP2012045065A JP2013182975A (ja) | 2012-03-01 | 2012-03-01 | 発光装置及びこれを用いたバックライトシステム |
US13/778,281 US20130228812A1 (en) | 2012-03-01 | 2013-02-27 | Light emitting device and backlight system using the same |
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JP2012045065A JP2013182975A (ja) | 2012-03-01 | 2012-03-01 | 発光装置及びこれを用いたバックライトシステム |
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JP2013182975A true JP2013182975A (ja) | 2013-09-12 |
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JP2012045065A Pending JP2013182975A (ja) | 2012-03-01 | 2012-03-01 | 発光装置及びこれを用いたバックライトシステム |
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JP (1) | JP2013182975A (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015106642A (ja) * | 2013-11-29 | 2015-06-08 | 日亜化学工業株式会社 | 発光装置用反射膜、並びに、それを備えるリードフレーム、配線基板、ワイヤ、及び発光装置 |
JP2015143289A (ja) * | 2014-01-31 | 2015-08-06 | 国立研究開発法人物質・材料研究機構 | 蛍光体、照明器具および画像表示装置 |
JP2016072382A (ja) * | 2014-09-29 | 2016-05-09 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP2016072379A (ja) * | 2014-09-29 | 2016-05-09 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP2019050391A (ja) * | 2018-10-25 | 2019-03-28 | 日亜化学工業株式会社 | 発光装置 |
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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 |
CN102563543B (zh) * | 2011-05-09 | 2015-01-07 | 深圳市绎立锐光科技开发有限公司 | 基于光波长转换产生高亮度单色光的方法及光源 |
TWI448806B (zh) | 2011-09-22 | 2014-08-11 | Delta Electronics Inc | 螢光劑裝置及其所適用之光源系統及投影設備 |
US10310363B2 (en) | 2011-09-22 | 2019-06-04 | Delta Electronics, Inc. | Phosphor device with spectrum of converted light comprising at least a color light |
US10688527B2 (en) | 2011-09-22 | 2020-06-23 | Delta Electronics, Inc. | Phosphor device comprising plural phosphor agents for converting waveband light into plural color lights with different wavelength peaks |
WO2015004711A1 (ja) * | 2013-07-08 | 2015-01-15 | Nsマテリアルズ株式会社 | 半導体を利用した発光デバイス |
JPWO2015156226A1 (ja) * | 2014-04-08 | 2017-04-13 | Nsマテリアルズ株式会社 | 量子ドット及びその製造方法、並びに、前記量子ドットを用いた成形体、シート部材、波長変換部材、発光装置 |
CN115799433B (zh) * | 2023-01-09 | 2024-09-10 | 四川世纪和光科技发展有限公司 | 一种红光封装结构、红光led光源及封装方法 |
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-
2013
- 2013-02-27 US US13/778,281 patent/US20130228812A1/en not_active Abandoned
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JP2007149909A (ja) * | 2005-11-28 | 2007-06-14 | Nichia Chem Ind Ltd | 発光装置 |
JP2009111245A (ja) * | 2007-10-31 | 2009-05-21 | Nichia Corp | 発光装置及びこれの製造方法 |
JP2011009635A (ja) * | 2009-06-29 | 2011-01-13 | Nichia Corp | 発光装置およびその製造方法 |
Cited By (5)
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JP2015106642A (ja) * | 2013-11-29 | 2015-06-08 | 日亜化学工業株式会社 | 発光装置用反射膜、並びに、それを備えるリードフレーム、配線基板、ワイヤ、及び発光装置 |
JP2015143289A (ja) * | 2014-01-31 | 2015-08-06 | 国立研究開発法人物質・材料研究機構 | 蛍光体、照明器具および画像表示装置 |
JP2016072382A (ja) * | 2014-09-29 | 2016-05-09 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP2016072379A (ja) * | 2014-09-29 | 2016-05-09 | 日亜化学工業株式会社 | 発光装置及びその製造方法 |
JP2019050391A (ja) * | 2018-10-25 | 2019-03-28 | 日亜化学工業株式会社 | 発光装置 |
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