JP7329111B2 - 高出力led用の埋め込み可能モジュール - Google Patents
高出力led用の埋め込み可能モジュール Download PDFInfo
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- JP7329111B2 JP7329111B2 JP2022122459A JP2022122459A JP7329111B2 JP 7329111 B2 JP7329111 B2 JP 7329111B2 JP 2022122459 A JP2022122459 A JP 2022122459A JP 2022122459 A JP2022122459 A JP 2022122459A JP 7329111 B2 JP7329111 B2 JP 7329111B2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2453—Optical details of the proximal end
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
- A61B1/00126—Connectors, fasteners and adapters, e.g. on the endoscope handle optical, e.g. for light supply cables
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0669—Endoscope light sources at proximal end of an endoscope
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- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
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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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
- F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
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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
- 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
- F21V29/89—Metals
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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
- F21V3/00—Globes; Bowls; Cover glasses
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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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2461—Illumination
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- 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
- G02B6/0005—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 of the fibre type
- G02B6/0006—Coupling light into the fibre
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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
- G02B6/0005—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 of the fibre type
- G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre
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- G—PHYSICS
- G02—OPTICS
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
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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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
- G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
- G02B6/4231—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment with intermediate elements, e.g. rods and balls, between the elements
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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
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- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
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- G—PHYSICS
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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
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- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
- F21L14/02—Electric lighting devices without a self-contained power source, e.g. for mains connection capable of hand-held use, e.g. inspection lamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21W2131/40—Lighting for industrial, commercial, recreational or military use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- G02B6/38—Mechanical coupling means having fibre to fibre mating means
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- Optical Couplings Of Light Guides (AREA)
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- Led Device Packages (AREA)
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- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
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Description
本出願は、2015年10月28日に出願された出願番号第62/247,454号を有する「光出力LED用の埋め込み可能モジュール(Embeddable module for light output LED)」という表題の仮特許出願、および2015年10月28日に出願された出願番号第62/247,451号を有する「高出力LED用の楕円形光学レンズ(Elliptical optical lens for high output LED)」という表題の仮特許出願、および2015年10月28日に出願された出願番号第62/247,456号を有する「ハンドヘルドモバイル光源(Handheld mobile light source)」という表題の仮特許出願の優先権を主張し、これらはそれぞれ引用により全部、本明細書に編入する。
本発明は一般に、内視鏡のような種々の装置に埋めて視野を照明する光を提供することができる光モジュールに関する。多くの態様で、光モジュールは高強度、低発熱光を提供することができる。
スフィルターとして機能することができる。例として、光学ウインドは紫外線および赤外線の波長を遮断できるが、可視波長は通過できるようにする。
peripheral surface)を備える。外周楕円面は、近位焦点および遠位焦点により特徴付けることができる。幾つかの態様では、遠位焦点がレンズに対して外側、例えばレンズの出力面上で少し離れて位置する。例えば遠位焦点は、光ガイドが光モジュールに結合すると、光ガイドの近位末端内になるように、レンズ本体の外側で出力面の上で少し離れてた位置とすることができる。他の態様では、遠位焦点はレンズの本体の遠位セクションに位置することができる。幾つかの態様では、遠位焦点はレンズの出力面に配置する場合がある。さらに幾つかの態様では、楕円面の近位焦点は例えば光源に、または光源の近傍に配置する場合がある。
分を含む。
本発明は一般に、医療用および工業用内視鏡のような様々な装置に取り込んで、装置がそれらの意図する目的に使用されるとき、視野を照らす光を提供することができる光モジュールに関する。以下に詳細に検討するように、多くの態様において、光モジュールは内視鏡のような装置に取り出し可能かつ交換可能に埋め込まれて、光源(LED)により発光される光を装置の光ガイド(例えば光ファイバーまたは光ファイバーの束)に効率的に移すことができる。特に多くの態様では、光モジュールはLEDにより発光される光を広い角度にわたって集め、そしてその光を収束してガイドに効率的に結合するためのレンズを使用する。
用語「屈折力(optical power)」は本明細書では当該技術でその通例の意味と一致して使用し、光学素子または面が入射光を収束または広げる程度を称し、そして面の素子の焦点距離の逆数に等しい。
筒形のハウジング102を含む。以下により詳細に検討するように、中空チャンバー104は光モジュールの複数の構成要素を収容する場合がある。
はレンズカラーの上部環状面118と接触する。このように、二つのスリーブ122および124はレンズを中空チャンバー104内に配置し易くし、そしてレンズに機械的支持を提供する。
の上面126aと接する場合がある。他の態様では、光ファイバーの入力面(1もしくは複数)は、光学ウインド126の上面から少し離れて配置される場合がある。幾つかの態様では、光を光ガイドに効率的に結合できるように、光ガイドの入力面(1もしくは複数)は実質的に平らであり、そして光学ウインドの上面の照射領域と実質的に等しい面積を有する。幾つかの態様では、ゲルまたは接着剤セメントのような屈折率が合う材料を光学ウインド126の上面126aに適用して、光を光ガイドへ効率的に結合し易くすることができる。
に効率的に結合することを確実にする。
板308上にレンズ312を支持する。別のスリーブ318はレンズカラー314の上面に設置され、そしてレンズの出力面310の上の距離Dで光学ウインド320を支持する。光学ウインド320は、例えば前記態様と関連して上で検討したように実施する場合がある。
、LED2からの光を光ガイドへ提供することができる。いったん電源に接続されれば、LED2はある角度範囲(angular extent)、例えば約160度の拡角を特徴とする角度範囲にわたって広がる光を発する。この光は孔11を介してレンズ3により受けられる。多くの態様で、LEDによる発光の大部分、および場合によってはLEDによる発光のすべてがレンズ3の入力面10により捕捉される。レンズに入る光はその外周楕円面により反射される内部反射を介して、または直接その出力面4に伝えられ、そしてその出力面を通って出る。幾つかの態様では、レンズから出る光はLEDによる発光に関する拡角よりも小さい拡角である。例えばレンズから出る光に関する拡角は、LEDによる発光の拡角よりも約30%、40%、50%、60%または70%小さくなる場合がある。例えば幾つかの態様では、LED2による発光は約160度の拡角が特徴とする場合があり、そしてレンズを出る光は約66度の拡角を特徴とする場合がある。レンズを出る光はサファイアウインドを通過して光ガイドに結合されることになる。
light guide face)は、サファイアウインド14の平らな最上面15と接触して配置されるか、あるいは機械的に可能なかぎりこの面の近くに配置される。理想的には両面が平らであり、それらの間の良好な接触を促進する。入力光ガイドの可撓性は、この二つの面の間のより高度な接触を援助することができる。これにより確実にサファイアウインド14の平らな最上面15外の光を、入力光ガイドへ効率的に結合する。
(optics)が無いので、モジュール1に関する機械的設計および空間的要件は簡略となり、例えば既存の照明装置へのより容易な挿入を可能にする。幾つかの態様では、小型電池をLED2の電力として使用でき、これにより光モジュールが小型の照明装置で使用できるようになると同時に、望まれる照明を提供することを可能とする。
Claims (16)
- 光モジュールであって:
近位末端から遠位末端へ延びる中空チャンバーを提供するハウジングと;
前記中空チャンバー内に位置し、レンズ本体を有するレンズであって、前記レンズ本体が:
光源から光を受けるように構成されている入力面、および
前記入力サービスで受けた前記光の一部が前記レンズを出るように構成されている出力面、
を備える、レンズと;
前記中空チャンバーに、前記近位末端で連結し、光を前記レンズの前記入力面に提供するように構成されている光源と;
アダプターであって:
前記中空チャンバーの前記遠位末端に、取り出し可能かつ交換可能に結合し、かつ
光ガイドの近位部を受容して、前記光ガイドが前記アダプターの内部にしっかりと取り付けられて、前記レンズの前記出力面を出射する前記光の少なくとも一部を受ける
ように構成されているアダプターと;
を備える光モジュール。 - 前記中空チャンバーに内に配置され、前記レンズの前記出力面に光学的に結合した光学ウインドであって、その内部を、前記レンズを出射する前記光が通るようになっている光学ウインドをさらに備える、請求項1に記載の光モジュール。
- 前記光源が、発光ダイオード(LED)を備える、請求項1または2に記載の光モジュール。
- 前記光ウインドが、サファイアウインドおよび石英ウインドのいずれかを備える、請求項2~3のいずれか一項に記載の光モジュール。
- 前記ハウジングの遠位末端に配置された複数の内部ネジ山を、さらに備える、請求項1~4のいずれか一項に記載の光モジュール。
- 前記遠位末端に脱着可能に結合するために適合したリングをさらに備える、請求項5に記載の光モジュール。
- 前記リングが、前記ハウジングの前記遠位末端で前記内部ネジ山との係合に適合した複数の内部ネジ山を備え、前記リングが、前記アダプターに結合するための開口部を、任意選択的に含む、請求項6に記載の光モジュール。
- 前記光学ウインドと前記リングとの間に配置されたガスケットをさらに備える、請求項7に記載の光モジュール。
- 前記光ガイドが、光ファイバーを備える、請求項8に記載の光モジュール。
- その上にLEDが配設されるプリント回路基板をさらに備え、前記プリント回路基板が、電力を上記LEDに適用するために複数の導線を備える、請求項1~3のいずれか一項に記載の光モジュール。
- 前記ハウジングの前記近位末端に結合されたプレートをさらに備え、前記プレートが、前記導線が電源に結合するためにそこを通って延びる複数の穴を有する、請求項10に記載の光モジュール。
- 前記ハウジングが、実質的に円筒形を有する、請求項1~3のいずれか一項に記載の光モジュール。
- 前記少なくとも1つのショルダーが、少なくとも1つのスリーブにより、前記カラーに接触するように提供される、請求項1~3のいずれか一項に記載の光モジュール。
- 前記レンズは、前記入力面を有する近位セクションと、前記出力面を有する遠位セクションと、を備えるレンズ本体を備え、
前記近位セクションは、実質的に楕円形の外周面をさらに備え、前記楕円形の外周面は、前記入力面を介してレンズ本体に入射する光の少なくとも1部を受容し、かつ、前記受容した光の少なくとも一部を、内部全反射によって、前記遠位セクションに方向付け、前記遠位セクションに方向付けられた前記光の少なくとも一部が、前記出力面を通って前記レンズ本体を出射するようにする、請求項1~13のいずれか一項に記載の光モジュール。 - 前記楕円形の外周面は、近位焦点および遠位焦点により特徴付けられ、かつ、前記楕円形の外周面は、前記遠位焦点が前記レンズ本体の遠位セクションに位置するような形状になっている、請求項14に記載の光モジュール。
- 前記レンズ本体は、ポリマー材料を含んでなり、前記ポリマー材料が任意選択的に、ポリカーボネート、ポリメチルメタクリレート(PMMA)、および高密度ポリエチレンのうちの任意のものである、請求項14または15に記載の光モジュール。
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EP3367873A1 (en) | 2018-09-05 |
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