JP5553757B2 - 1次放射源と発光変換エレメントとを備えた半導体光源 - Google Patents
1次放射源と発光変換エレメントとを備えた半導体光源 Download PDFInfo
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- 230000005855 radiation Effects 0.000 title claims description 234
- 238000006243 chemical reaction Methods 0.000 title claims description 221
- 238000004020 luminiscence type Methods 0.000 title claims description 167
- 239000004065 semiconductor Substances 0.000 title claims description 92
- 230000008878 coupling Effects 0.000 claims description 130
- 238000010168 coupling process Methods 0.000 claims description 130
- 238000005859 coupling reaction Methods 0.000 claims description 130
- 238000001816 cooling Methods 0.000 claims description 90
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 45
- 230000003287 optical effect Effects 0.000 claims description 20
- 230000005670 electromagnetic radiation Effects 0.000 claims description 9
- 238000002310 reflectometry Methods 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 7
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- 230000003595 spectral effect Effects 0.000 description 12
- 239000011575 calcium Substances 0.000 description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 7
- 229910052788 barium Inorganic materials 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229910010293 ceramic material Inorganic materials 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 6
- 229910052712 strontium Inorganic materials 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 230000005693 optoelectronics Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 150000001342 alkaline earth metals Chemical class 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical class [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 4
- 229910052693 Europium Inorganic materials 0.000 description 3
- 229910004283 SiO 4 Inorganic materials 0.000 description 3
- 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
- 230000005540 biological transmission Effects 0.000 description 3
- GTDCAOYDHVNFCP-UHFFFAOYSA-N chloro(trihydroxy)silane Chemical class O[Si](O)(O)Cl GTDCAOYDHVNFCP-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000005084 Strontium aluminate Substances 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- FNWBQFMGIFLWII-UHFFFAOYSA-N strontium aluminate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Sr+2].[Sr+2] FNWBQFMGIFLWII-UHFFFAOYSA-N 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- -1 strontium-magnesium aluminates Chemical class 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910003668 SrAl Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HIVGXUNKSAJJDN-UHFFFAOYSA-N [Si].[P] Chemical compound [Si].[P] HIVGXUNKSAJJDN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 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
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- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [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
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/08—Combinations of only two kinds of elements the elements being filters or photoluminescent elements and reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
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- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
- F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
- F21V7/30—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings the coatings comprising photoluminescent substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
- F21V9/38—Combination of two or more photoluminescent elements of different materials
-
- 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
- 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
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- H—ELECTRICITY
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- 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
- H01L33/58—Optical field-shaping elements
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—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
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
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- 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
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- 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
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- 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
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
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- Semiconductor Lasers (AREA)
- Led Device Packages (AREA)
Description
MAlSiN3:SEを使用することができる。この式ではMはとりわけ、たとえばBa,Sr,Ca等のアルカリ土類金属を表し、SEは希土類を表す。とりわけ緑色スペクトル領域には、たとえば酸窒化物が適しており、たとえばMSi2O2N2:Eu2+が適している。ここで、Mはたとえば、Ba,Ca,Sr等のアルカリ土類金属を表す。
0°<β<90°、有利には1°≦β≦45°、たとえば5°≦β≦25°
Claims (19)
- 1次放射源(1)と発光変換モジュール(2)とを備えた半導体光源において、
当該半導体光源の動作中、前記1次放射源(1)は電磁放射である1次放射(5)を放出し、該1次放射(5)の少なくとも一部が前記発光変換モジュール(2)に入力結合され、
前記発光変換モジュール(2)は、該発光変換モジュール(2)に入力結合された前記1次放射(5)の少なくとも一部を少なくとも1つの蛍光体によって波長変換して2次放射(15)を生成する発光変換エレメント(6)を含み、
前記発光変換モジュール(2)は、前記1次放射源(1)から離隔されて、冷却体(3)に配置されており、
前記発光変換モジュール(2)は、該発光変換エレメント(6)を透過して該発光変換エレメント(6)に吸収されない前記1次放射(5)を該発光変換エレメント(6)に反射し戻し、かつ/または、前記2次放射(15)を該発光変換モジュール(2)の光出力結合面(601)の方向に反射する反射面(7,71,72)を有し、
散乱されない1次放射(5)が、前記反射面(7,71,72)の対向領域における多重反射により、前記発光変換エレメント(6)の中間領域を横切って導かれるようにしたことを特徴とする、半導体光源。 - 前記散乱されない1次放射(5)は、前記発光変換エレメント(6)の中間領域を横切ってジグザクに導かれる、請求項1記載の半導体光源。
- 前記発光変換エレメント(6)を通過するたびに前記1次放射(5)の一部が吸収され、2次放射に波長変換される、請求項1または2記載の半導体光源。
- 前記1次放射源(1)は、前記発光変換モジュール(2)と同じ冷却体(3)に設けられている、請求項1から3までのいずれか1項記載の半導体光源。
- 前記発光変換エレメント(6)の形状は、実質的に平坦な層であるかまたはプレートであり、前記層またはプレートの表面は、前記光出力結合面を形成する第1の主面(601)と、該第1の主面に対向し前記冷却体の方を向いている第2の主面(602)と、少なくとも1つの側面(603)とを有する、請求項1から4までのいずれか1項記載の半導体光源。
- 前記発光変換モジュール(2)は少なくとも1つの冷却エレメント(13)を有し、
前記冷却エレメント(13)は前記発光変換エレメント(6)内に突出するか、または該発光変換エレメント(6)を貫通し、前記冷却体(3)に熱伝導結合されている、請求項5記載の半導体光源。 - 前記反射面(7,71,72)は前記側面(603)を局所的または完全に被覆する、請求項5または6記載の半導体光源。
- 前記反射面(7,71,72)は前記第2の主面(602)を少なくとも局所的に被覆する、請求項5から7までのいずれか1項記載の半導体光源。
- 前記1次放射源(1)の1次放射(5)は前記第1の主面(601)または前記側面(603)を通って前記発光変換エレメント(6)に入力結合される、請求項5から8までのいずれか1項記載の半導体光源。
- 前記1次放射源(1)の1次放射(5)は前記側面(603)を通って前記発光変換エレメント(6)に入力結合され、該1次放射(5)は該発光変換エレメント(6)に入力結合される際に、該1次放射(5)に対して高い透過率を有しかつ前記第2の放射(15)に対して高い反射率を有する波長選択性の入力結合鏡(12)を透過する、請求項5から8までのいずれか1項記載の半導体光源。
- 前記冷却体(3)は前記発光変換エレメント(6)を包囲する、請求項1から10までのいずれか1項記載の半導体光源。
- 前記発光変換エレメント(6)の少なくとも一部は前記冷却体(3)の凹入部(31)内に配置され、前記凹入部(31)の表面の少なくとも一部が前記反射面(7,71,72)を形成するか、または該反射面(7,71,72)の一部を形成する、請求項11記載の半導体光源。
- 前記2次放射(15)は、前記1次放射(5)の少なくとも一部に対して高い反射率を有しかつ該2次放射(15)に対して高い透過率を有する波長選択性の出力結合鏡(8)を透過して、前記発光変換モジュール(2)から出力結合される、請求項1から12までのいずれか1項記載の半導体光源。
- 前記1次放射(5)は光学的エレメント(10)を使用して前記発光変換モジュール(2)に入力結合される、請求項1から13までのいずれか1項記載の半導体光源。
- 前記光学的エレメント(10)は、前記1次放射(5)の少なくとも一部に対して高い反射率を有しかつ前記2次放射(15)に対して高い透過率を有する波長選択性の出力結合鏡(8)を有し、前記2次放射(15)は前記波長選択性の出力結合鏡(8)を通って前記発光変換モジュール(2)から出力結合される、請求項14記載の半導体光源。
- 前記1次放射(5)は、前記発光変換エレメント(6)の側面(603)を通って入力結合領域(21)に入力結合される、請求項1から15までのいずれか1項記載の半導体光源。
- 前記反射層(7)の部分領域(72)は、前記発光変換エレメント(6)の側面(603)を入力結合領域(21)まで完全に被覆する、請求項1から16までのいずれか1項記載の半導体光源。
- 前記入力結合領域(21)は、光出力結合面(601)の上方から見て前記発光変換エレメント(6)の縁部領域に配置されている、請求項16又は17記載の半導体光源。
- 前記多重反射は、前記光出力結合面(601)に対して平行な平面において行われる、請求項1から18までのいずれか1項記載の半導体光源。
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DE102008012316.1A DE102008012316B4 (de) | 2007-09-28 | 2008-03-03 | Halbleiterlichtquelle mit einer Primärstrahlungsquelle und einem Lumineszenzkonversionselement |
DE102008012316.1 | 2008-03-03 | ||
PCT/DE2008/001529 WO2009039827A1 (de) | 2007-09-28 | 2008-09-11 | Halbleiterlichtquelle mit einer primärstrahlungsquelle und einem lumineszenzkonversionselement |
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WO2009039827A1 (de) | 2009-04-02 |
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