JP2021090052A - モノリシック多焦点光源デバイス - Google Patents
モノリシック多焦点光源デバイス Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V5/00—Refractors for light sources
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- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/0025—Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V5/004—Refractors for light sources using microoptical elements for redirecting or diffusing light using microlenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21V5/00—Refractors for light sources
- F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
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- 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
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- 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
- F21V9/04—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out infrared radiation
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/10—Bifocal lenses; Multifocal lenses
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular sheet or layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07
- H01L21/4814—Conductive parts
- H01L21/4846—Leads on or in insulating or insulated substrates, e.g. metallisation
- H01L21/4853—Connection or disconnection of other leads to or from a metallisation, e.g. pins, wires, bumps
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- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/13—Mountings, e.g. non-detachable insulating substrates characterised by the shape
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- H—ELECTRICITY
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/145—Organic substrates, e.g. plastic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/12—Mountings, e.g. non-detachable insulating substrates
- H01L23/14—Mountings, e.g. non-detachable insulating substrates characterised by the material or its electrical properties
- H01L23/147—Semiconductor insulating substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
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- H10H20/8506—Containers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
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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
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
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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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- H01L23/00—Details of semiconductor or other solid state devices
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- H01L23/538—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
- H01L23/5389—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates the chips being integrally enclosed by the interconnect and support structures
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
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- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
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- Optics & Photonics (AREA)
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- Led Device Packages (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
10a 上面
10b 底面
12 絶縁層
14 フォトレジスト
16 キャビティ
18 孔
20 絶縁層
22 電極
24 接着剤
26 光源チップ
28 発光デバイス
30 電気接点
32 絶縁層
34 ボンドパッド
35 ボンドパッド
36 絶縁層
38 絶縁層
40 リード
42 絶縁層
44 はんだボールコネクタ
46 ワイヤ
48 光デバイスアセンブリ
52 マスタモールド
52a 上面
54 金属層
56 ポリマー層
58 接着剤
60 キャリアモールド
62 レンズレプリカアセンブリ
64 レンズレプリカアセンブリ
66 ポリマー層またはレンズ基板
66a 上面
66b 下面
68 スタンパアセンブリ
70 金属層
70a 開孔
72 光学コーティング
74 ARコーティング
76 ダイシングライン
78 レンズホルダ
80 接着剤
82 レンズアセンブリ
84 レンズセグメント
90 基板
92 ポリマー
94 ポリマー
96 マイクロレンズ
98 金属層
100 光学コーティング
102 金属層
102a 開孔
104 反射防止コーティング
106 基板
108 接着剤
110 反射防止コーティング
112 赤外線フィルタコーティング
114 キャビティ
116 回折レンズアセンブリ
120 スペーサ
122 光反射コーティング
124 接着剤
126 光源デバイス
130 導電性トレース
132 ガラス基板
134 キャリア
136 スタンパアセンブリ
138 キャリア
140 ランド
Claims (20)
- 光デバイスアセンブリ及びモノリシックレンズを備える光源デバイスであって、
前記光デバイスアセンブリは、
対向する上面および底面、ならびに前記上面に形成された複数のキャビティを有する第1の基板と、
それぞれが前記複数のキャビティのうちの1つに少なくとも部分的に配置され、それぞれが発光デバイスおよび電気接点を含む複数の光源チップと、
それぞれが前記上面と前記底面との間に延在し、それぞれが前記電気接点のうちの1つに電気的に接続されている複数の電極とを含み、
前記モノリシックレンズは、前記第1の基板の前記上面の上に配置され、
前記モノリシックレンズは、それぞれが前記光源チップのうちの1つの上に配置された複数のレンズセグメントを有する単一の基板を含む、光源デバイス。 - 前記第1の基板が、シリコンで形成されている、請求項1に記載の光源デバイス。
- 前記単一の基板が、ポリマーで形成されている、請求項1に記載の光源デバイス。
- 前記電極のそれぞれが、ワイヤによって前記電気接点のうちの1つに電気的に接続されている、請求項1に記載の光源デバイス。
- 前記電極のそれぞれが、前記上面に形成された導電性トレースによって前記電気接点のうちの1つに電気的に接続されている、請求項1に記載の光源デバイス。
- それぞれが前記底面の上に配置され、前記電極のうちの1つに電気的に接続されている複数のはんだボールコネクタ
をさらに備える、請求項1に記載の光源デバイス。 - それぞれが前記底面の上に配置され、前記電極のうちの1つに電気的に接続されている複数の導電性ランド
をさらに備える、請求項1に記載の光源デバイス。 - 前記単一の基板が、対向する上面および下面を含み、
前記複数のレンズセグメントの前記上面の少なくとも一部が、赤外光を選択的にフィルタリングする材料の層を含み、
前記複数のレンズセグメントの前記下面の少なくとも一部が、材料の反射防止層を含む、
請求項1に記載の光源デバイス。 - 前記単一の基板が、対向する上面および下面を含み、前記光源デバイスが、
前記上面に配置され、それぞれが前記レンズセグメントのうちの1つに配置された開孔を内部に含む第1の金属層と、
前記下面に配置され、それぞれが前記レンズセグメントのうちの1つに配置された開孔を内部に含む第2の金属層と
をさらに備える、請求項1に記載の光源デバイス。 - 前記単一の基板が、対向する上面および下面を含み、前記光源デバイスが、
前記上面と前記下面との間の前記単一の基板に配置されたガラス基板
をさらに備える、請求項1に記載の光源デバイス。 - 前記レンズセグメントのうちの1つが、前記レンズセグメントのうちの別の1つとは異なる集光特性を提供するように成形されている、請求項1に記載の光源デバイス。
- 前記モノリシックレンズの上に配置された光回折レンズ
をさらに備える、請求項1に記載の光源デバイス。 - 前記光回折レンズが、前記モノリシックレンズを通過する前記発光デバイスからの光を回折するように配置された複数のマイクロレンズを含む、請求項12に記載の光源デバイス。
- 前記光源チップのうちの1つの前記発光デバイスのうちの1つが、前記光源チップのうちの別の1つの前記発光デバイスのうちの別の1つよりもモノリシックレンズの近くに配置されている、請求項1に記載の光源デバイス。
- 前記複数のキャビティのそれぞれが、前記キャビティの底面と前記キャビティ内に少なくとも部分的に配置された前記光源チップとの間に配置された接着剤の層を含む、請求項1に記載の光源デバイス。
- 前記キャビティのうちの1つの接着剤の前記層が、前記キャビティのうちの別の1つの接着剤の前記層よりも厚い、請求項15に記載の光源デバイス。
- 前記第1の基板と前記モノリシックレンズとの間に配置された剛性材料のスペーサ
をさらに備える、請求項1に記載の光源デバイス。 - 前記スペーサが、反射コーティングを有する側壁を含む、請求項17に記載の光源デバイス。
- 前記光回折レンズと前記モノリシックレンズとの間に配置された剛性材料のスペーサ
をさらに備える、請求項12に記載の光源デバイス。 - 前記スペーサが、反射コーティングを有する側壁を含む、請求項19に記載の光源デバイス。
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US16/704,280 | 2019-12-05 | ||
US16/704,280 US11408589B2 (en) | 2019-12-05 | 2019-12-05 | Monolithic multi-focus light source device |
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US (1) | US11408589B2 (ja) |
JP (1) | JP2021090052A (ja) |
KR (1) | KR102490428B1 (ja) |
CN (1) | CN112928190A (ja) |
TW (1) | TWI770639B (ja) |
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US11745453B2 (en) * | 2020-03-05 | 2023-09-05 | Continental Autonomous Mobility US, LLC | Method of making and using a reusable mold for fabrication of optical elements |
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US11408589B2 (en) | 2022-08-09 |
US20210172581A1 (en) | 2021-06-10 |
KR20210070929A (ko) | 2021-06-15 |
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