KR100849766B1 - 발광 장치 - Google Patents
발광 장치 Download PDFInfo
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- KR100849766B1 KR100849766B1 KR1020067027091A KR20067027091A KR100849766B1 KR 100849766 B1 KR100849766 B1 KR 100849766B1 KR 1020067027091 A KR1020067027091 A KR 1020067027091A KR 20067027091 A KR20067027091 A KR 20067027091A KR 100849766 B1 KR100849766 B1 KR 100849766B1
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 229910052693 Europium Inorganic materials 0.000 claims abstract description 15
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical group [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 150000004767 nitrides Chemical class 0.000 claims abstract description 9
- 238000005253 cladding Methods 0.000 claims description 20
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 19
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 15
- 229920002050 silicone resin Polymers 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- -1 alkaline earth metal aluminate Chemical class 0.000 claims description 5
- 150000004820 halides Chemical class 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052915 alkaline earth metal silicate Inorganic materials 0.000 abstract description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
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- 229910052737 gold Inorganic materials 0.000 description 6
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
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- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 2
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- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
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- 229910052916 barium silicate Inorganic materials 0.000 description 2
- HMOQPOVBDRFNIU-UHFFFAOYSA-N barium(2+);dioxido(oxo)silane Chemical compound [Ba+2].[O-][Si]([O-])=O HMOQPOVBDRFNIU-UHFFFAOYSA-N 0.000 description 2
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- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
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- QSQXISIULMTHLV-UHFFFAOYSA-N strontium;dioxido(oxo)silane Chemical compound [Sr+2].[O-][Si]([O-])=O QSQXISIULMTHLV-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
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- DXNVUKXMTZHOTP-UHFFFAOYSA-N dialuminum;dimagnesium;barium(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mg+2].[Mg+2].[Al+3].[Al+3].[Ba+2].[Ba+2] DXNVUKXMTZHOTP-UHFFFAOYSA-N 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
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- 229910001940 europium oxide Inorganic materials 0.000 description 1
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 description 1
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical group [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
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- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7795—Phosphates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/7734—Aluminates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/77344—Aluminosilicates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/774—Borates
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
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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
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
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- H01L2224/16145—Disposition the bump connector connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being stacked
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- 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
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
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- H01L2224/32257—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 the layer connector connecting to a bonding area disposed in a recess of the surface of the item
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- 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
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Abstract
Description
Claims (29)
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- 질화물 반도체로 이루어지고 청색광을 발생시키는 발광 소자와,발광 소자로부터 발광된 청색광의 일부를 흡수하고 흡수된 광의 파장과 상이한 파장의 황색광을 발광할 수 있는 형광체를 구비하고,상기 발광 소자로부터 발광된 파장의 절반치 폭은 40nm 이하이고,상기 형광체로부터 발광된 파장은 110nm까지의 절반치 폭을 갖고,상기 발광 소자는 p형 클래딩층과 n형 클래딩층 사이에 개재된 발광층을 구비한 이중 헤테로 구조로 구성되고,상기 p형 클래딩층과 n형 클래딩층은 초격자 구조이고,상기 형광체는,식:(Sr(1-x-y)BaxCay)2(Si(1-α-β-γ-δ)PαAlβBγGeδ)O4:Eu2+(식 중, 0< x ≤0.8, 0≤ y <0.8, 0< x+y <1, 0≤ α,β,γ <0.25, 0≤δ <0.5, 0≤ α+β+γ+δ <1)으로 나타내는 2가의 유러퓸으로 활성화된 알칼리 토류 금속 올트규산염 중 적어도 하나로 이루어지는 발광 장치.
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- 질화물 반도체로 이루어지고 청색광을 발생시키는 발광 소자와,발광 소자로부터 발광된 청색광의 일부를 흡수하고 흡수된 광의 파장과 상이한 파장의 황색광을 발광할 수 있는 형광체를 구비하고,상기 발광 소자로부터 발광된 파장의 절반치 폭은 40nm 이하이고,상기 형광체로부터 발광된 파장은 110nm까지의 절반치 폭을 갖고,상기 발광 소자는 p형 클래딩층과 n형 클래딩층 사이에 개재된 발광층을 구비한 이중 헤테로 구조로 구성되고,상기 p형 클래딩층과 n형 클래딩층은 초격자 구조이고,상기 형광체는 2가의 유러퓸으로 활성화된 알칼리 토류 금속 올트규산염으로 이루어지고,상기 형광체는 1가의 할로겐화물을 더 포함하는 발광 장치.
- 질화물 반도체로 이루어지고 청색광을 발생시키는 발광 소자와,발광 소자로부터 발광된 청색광의 일부를 흡수할 수 있는 황색 및 적색 형광체를 구비하고,황색 형광체는 상기 흡수된 광의 파장과 상이한 파장의 황색광을 발광할 수 있고, 적색 형광체는 상기 흡수된 광의 파장과 상이한 파장의 적색광을 발광할 수 있고,상기 발광 소자로부터 발광된 파장의 절반치 폭은 40nm 이하이고,상기 형광체로부터 발광된 파장은 110nm까지의 절반치 폭을 갖고,상기 발광 소자는 p형 클래딩층과 n형 클래딩층 사이에 개재된 발광층을 구비한 이중 헤테로 구조로 구성되는 발광 장치.
- 제20항에 있어서, n형 클래딩층은 초격자 구조인 발광 장치.
- 제20항에 있어서, p형 클래딩층은 초격자 구조인 발광 장치.
- 제20항에 있어서, 황색 형광체는 2가의 유러퓸으로 활성화된 알칼리 토류 금속 올트규산염으로 이루어지는 발광 장치.
- 제23항에 있어서, 상기 황색 형광체는,식:(Sr(1-x-y)BaxCay)2(Si(1-α-β-γ-δ)PαAlβBγGeδ)O4:Eu2+(식 중, 0< x ≤0.8, 0≤ y <0.8, 0< x+y <1, 0≤ α,β,γ <0.25, 0≤δ <0.5, 0≤ α+β+γ+δ <1)으로 나타내는 2가의 유러퓸으로 활성화된 알칼리 토류 금속 올트규산염 중 적어도 하나로 이루어지는 발광 장치.
- 제23항에 있어서, 상기 황색 형광체는 1가의 할로겐화물을 더 포함하는 발광 장치.
- 제20항에 있어서, 적색 형광체는 2가의 유러퓸으로 활성화된 알칼리 토류 금속 올트규산염으로 이루어지는 발광 장치.
- 제23항에 있어서, 적색 형광체는 2가의 유러폼 또는 망간으로 활성화된 알칼리 토류 금속 알루민산염으로 이루어지는 발광 장치.
- 제20항에 있어서, 황색 및 적색 형광체는 상기 발광 소자를 덮는 커버 부재에 혼합되어 있는 발광 장치.
- 제28항에 있어서, 상기 커버 부재는 실리콘 수지로 이루어지는 발광 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0215400A AT410266B (de) | 2000-12-28 | 2000-12-28 | Lichtquelle mit einem lichtemittierenden element |
AT2154/2000 | 2000-12-28 |
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KR1020057016210A Division KR20050093870A (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
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KR1020077027069A Division KR100867788B1 (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
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KR20070013339A KR20070013339A (ko) | 2007-01-30 |
KR100849766B1 true KR100849766B1 (ko) | 2008-07-31 |
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KR1020037007442A KR100715580B1 (ko) | 2000-12-28 | 2001-11-19 | 발광 소자를 포함하는 광원 |
KR1020057016223A KR100715579B1 (ko) | 2000-12-28 | 2001-11-19 | 발광 소자를 포함하는 광원 |
KR1020077027069A KR100867788B1 (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
KR1020057016210A KR20050093870A (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
KR10-2003-7008704A KR100532638B1 (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
KR1020067027091A KR100849766B1 (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
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KR1020037007442A KR100715580B1 (ko) | 2000-12-28 | 2001-11-19 | 발광 소자를 포함하는 광원 |
KR1020057016223A KR100715579B1 (ko) | 2000-12-28 | 2001-11-19 | 발광 소자를 포함하는 광원 |
KR1020077027069A KR100867788B1 (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
KR1020057016210A KR20050093870A (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
KR10-2003-7008704A KR100532638B1 (ko) | 2000-12-28 | 2001-12-28 | 발광 장치 |
Country Status (11)
Country | Link |
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US (8) | US6809347B2 (ko) |
EP (6) | EP2357678B1 (ko) |
JP (5) | JP4048116B2 (ko) |
KR (6) | KR100715580B1 (ko) |
CN (4) | CN1268009C (ko) |
AT (2) | AT410266B (ko) |
DE (4) | DE20122947U1 (ko) |
ES (2) | ES2345534T5 (ko) |
RU (1) | RU2251761C2 (ko) |
TW (2) | TWI297723B (ko) |
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KR101831899B1 (ko) * | 2016-11-02 | 2018-02-26 | 에스케이씨 주식회사 | 다층 광학 필름 및 이를 포함하는 표시장치 |
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