JP7154280B2 - 高輝度光変換装置 - Google Patents
高輝度光変換装置 Download PDFInfo
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- JP7154280B2 JP7154280B2 JP2020508075A JP2020508075A JP7154280B2 JP 7154280 B2 JP7154280 B2 JP 7154280B2 JP 2020508075 A JP2020508075 A JP 2020508075A JP 2020508075 A JP2020508075 A JP 2020508075A JP 7154280 B2 JP7154280 B2 JP 7154280B2
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- 238000006243 chemical reaction Methods 0.000 title claims description 54
- 229910003460 diamond Inorganic materials 0.000 claims description 74
- 239000010432 diamond Substances 0.000 claims description 74
- 230000003287 optical effect Effects 0.000 claims description 51
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 136
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 17
- 238000004088 simulation Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 9
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- 230000008901 benefit Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910019990 cerium-doped yttrium aluminum garnet Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004075 alteration 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
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/008—Mountings, adjusting means, or light-tight connections, for optical elements with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/16—Laser light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/176—Light sources where the light is generated by photoluminescent material spaced from a primary light generating element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the 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
- F21V9/32—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
- F21V9/35—Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material at focal points, e.g. of refractors, lenses, reflectors or arrays of light sources
-
- 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
- F21Y2115/30—Semiconductor lasers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Semiconductor Lasers (AREA)
- Optical Filters (AREA)
Description
12 伝達レーザ光 (transmitted later light)
20 変換光 (converted light)
100 レーザベースの光源 (laser-based light source)
110 レーザ (laser)
130 光変換装置 (light converting device)
131 ヒートシンク (heat sink)
132 熱結合層 (thermal coupling layer)
134 光変換器 (light converter)
135 ダイヤモンド層 (diamond layer)
136 光取出し構造 (light outcoupling structure)
137 光学取込み層 (optical coupling layer)
140 シミュレーション平面 (simulation plane)
210 水平方向(マイクロメートル) (horizontal direction)
220 垂直方向(マイクロメートル) (vertical direction)
230 強度(107W/m2) (intensity)
232 円形の変換器構造に関する(図1) (relates to circular converter structure)
234 舌状の変換器構造に関する(図3) (relates to tongue like converter structure)
240 放射ゾーンの半径(マイクロメートル) (radius of emitting zone)
250 集められた前方パワーの割合 (percentage of collected forward power)
Claims (14)
- 光変換器と、
ダイヤモンド層と、
光取出し構造とを含み、
前記光変換器は、レーザ光を変換光に変換するように構成され、前記変換光のピーク放射波長は、前記レーザ光のピーク放射波長よりも長い波長範囲内にあり、前記光変換器は、外側光変換器表面と、該外側光変換器表面とは反対側の接合表面とを有し、
前記ダイヤモンド層は、前記光変換器の屈折率よりも大きい屈折率を備え、前記ダイヤモンド層は、連続的な構造を有し、前記接合表面の領域全体に亘って前記光変換器の前記接合表面に接合され、前記光変換器及び前記ダイヤモンド層は、そのような接合によって、接合層スタックを形成し、
前記光取出し構造は、前記接合層スタックの第1の表面に取り付けられ、前記接合層スタックの第2の表面は、前記レーザ光を受け取るように構成される光入射表面であり、前記接合表面は、前記接合層スタックの前記第1の表面と前記第2の表面との間に配置され、前記光取出し構造の屈折率は、前記光変換器の屈折率の少なくとも90%であり、前記光取出し構造は、前記光入射表面から前記光取出し構造への放射経路を横断する光の全反射が減少させられるように、前記接合層スタックの前記第1の表面に光学的に結合される、
光変換装置。 - 前記接合層スタックの前記第1の表面は、前記光変換器の前記接合表面に接合される前記ダイヤモンド層の第1の表面とは反対側の前記ダイヤモンド層の第2の表面である、請求項1に記載の光変換装置。
- 前記接合層スタックの前記第1の表面は、前記外側光変換器表面である、請求項1に記載の光変換装置。
- 前記光取出し構造は、光学取込み層を用いて前記接合層スタックの前記第1の表面に取り付けられ、前記光学取込み層の屈折率は、前記光変換器の前記屈折率の少なくとも90%である、請求項1又は2に記載の光変換装置。
- 前記ダイヤモンド層は、細長い形状を有し、前記ダイヤモンド層の長さは、前記ダイヤモンド層の幅の少なくとも2倍である、請求項1又は2に記載の光変換装置。
- 前記光変換器は、前記光取出し構造の光学軸に対して対称的に配置される、請求項5に記載の光変換装置。
- 前記接合層スタックの前記第1の表面は、前記光変換器の前記接合表面に接合される前記ダイヤモンド層の第1の表面とは反対側の前記ダイヤモンド層の第2の表面であり、前記ダイヤモンド層の長さ方向に平行な前記光変換器の延伸は、前記ダイヤモンド層の前記長さよりも短い、請求項6に記載の光変換装置。
- 前記接合層スタックは、ヒートシンクに熱的に結合される、請求項1又は2に記載の光変換装置。
- 前記接合層スタックは、熱結合層を用いて前記ヒートシンクに結合される、請求項8に記載の光変換装置。
- 前記ダイヤモンド層は、前記ヒートシンクの表面に面する、請求項9に記載の光変換装置。
- 前記光変換器の一部が、前記ダイヤモンド層から取り除かれ、前記接合表面とは反対側の前記ダイヤモンド層の前記第2の表面は、前記光取出し構造に面する、請求項10に記載の光変換装置。
- 前記接合層スタックは、前記光入射表面に取り付けられる反射防止被膜を含み、該反射防止被膜は、前記レーザ光の反射を減少させるように構成される、請求項1又は2に記載の光変換装置。
- 請求項1乃至12のうちのいずれか1項に記載の光変換装置と、
少なくとも1つのレーザとを含み、
該少なくとも1つのレーザは、前記光入射表面に前記レーザ光を放射するように構成される、
レーザベースの光源。 - 少なくとも1つの請求項13に記載のレーザベースの光源を含む、車両用ヘッドライト。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP17167749 | 2017-04-24 | ||
EP17167749.5 | 2017-04-24 | ||
PCT/EP2018/060186 WO2018197357A1 (en) | 2017-04-24 | 2018-04-20 | High luminance light converting device |
Publications (2)
Publication Number | Publication Date |
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JP2020518036A JP2020518036A (ja) | 2020-06-18 |
JP7154280B2 true JP7154280B2 (ja) | 2022-10-17 |
Family
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Family Applications (1)
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JP2020508075A Active JP7154280B2 (ja) | 2017-04-24 | 2018-04-20 | 高輝度光変換装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10969076B2 (ja) |
EP (1) | EP3615972A1 (ja) |
JP (1) | JP7154280B2 (ja) |
CN (1) | CN110799877B (ja) |
TW (1) | TWI769244B (ja) |
WO (1) | WO2018197357A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003198051A (ja) | 2001-03-02 | 2003-07-11 | Furukawa Electric Co Ltd:The | 半導体レーザ装置および半導体レーザモジュール |
JP2011519173A (ja) | 2008-04-29 | 2011-06-30 | ショット アクチエンゲゼルシャフト | (w)led用光コンバータ・システム |
JP2012516032A (ja) | 2009-01-21 | 2012-07-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光リサイクル装置を有する光源、及び対応する光リサイクル装置 |
WO2014203484A1 (ja) | 2013-06-21 | 2014-12-24 | パナソニックIpマネジメント株式会社 | 波長変換部材、光源、及び自動車用ヘッドランプ |
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2018
- 2018-04-20 EP EP18719536.7A patent/EP3615972A1/en active Pending
- 2018-04-20 JP JP2020508075A patent/JP7154280B2/ja active Active
- 2018-04-20 WO PCT/EP2018/060186 patent/WO2018197357A1/en unknown
- 2018-04-20 US US16/607,682 patent/US10969076B2/en active Active
- 2018-04-20 CN CN201880042267.3A patent/CN110799877B/zh active Active
- 2018-04-24 TW TW107113807A patent/TWI769244B/zh active
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JP2003198051A (ja) | 2001-03-02 | 2003-07-11 | Furukawa Electric Co Ltd:The | 半導体レーザ装置および半導体レーザモジュール |
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Also Published As
Publication number | Publication date |
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EP3615972A1 (en) | 2020-03-04 |
US10969076B2 (en) | 2021-04-06 |
CN110799877A (zh) | 2020-02-14 |
CN110799877B (zh) | 2022-07-08 |
WO2018197357A1 (en) | 2018-11-01 |
JP2020518036A (ja) | 2020-06-18 |
US20200191351A1 (en) | 2020-06-18 |
TWI769244B (zh) | 2022-07-01 |
TW201843848A (zh) | 2018-12-16 |
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