JP7517888B2 - 車両用灯具 - Google Patents

車両用灯具 Download PDF

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Publication number
JP7517888B2
JP7517888B2 JP2020123529A JP2020123529A JP7517888B2 JP 7517888 B2 JP7517888 B2 JP 7517888B2 JP 2020123529 A JP2020123529 A JP 2020123529A JP 2020123529 A JP2020123529 A JP 2020123529A JP 7517888 B2 JP7517888 B2 JP 7517888B2
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JP
Japan
Prior art keywords
light
lens body
light source
lens
distribution pattern
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2020123529A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022020173A (ja
JP2022020173A5 (enExample
Inventor
祐貴 杉原
将太 西村
真也 星野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanley Electric Co Ltd
Original Assignee
Stanley Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Priority to JP2020123529A priority Critical patent/JP7517888B2/ja
Priority to US17/372,196 priority patent/US11441750B2/en
Priority to EP21185316.3A priority patent/EP3943808B1/en
Publication of JP2022020173A publication Critical patent/JP2022020173A/ja
Publication of JP2022020173A5 publication Critical patent/JP2022020173A5/ja
Application granted granted Critical
Publication of JP7517888B2 publication Critical patent/JP7517888B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • F21S41/25—Projection lenses
    • 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
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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
    • F21S41/24—Light guides
    • 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
    • F21S41/25—Projection lenses
    • F21S41/265—Composite lenses; Lenses with a patch-like shape
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2020123529A 2020-07-20 2020-07-20 車両用灯具 Active JP7517888B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020123529A JP7517888B2 (ja) 2020-07-20 2020-07-20 車両用灯具
US17/372,196 US11441750B2 (en) 2020-07-20 2021-07-09 Lighting tool for vehicle
EP21185316.3A EP3943808B1 (en) 2020-07-20 2021-07-13 Lighting tool for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020123529A JP7517888B2 (ja) 2020-07-20 2020-07-20 車両用灯具

Publications (3)

Publication Number Publication Date
JP2022020173A JP2022020173A (ja) 2022-02-01
JP2022020173A5 JP2022020173A5 (enExample) 2023-06-27
JP7517888B2 true JP7517888B2 (ja) 2024-07-17

Family

ID=76920572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020123529A Active JP7517888B2 (ja) 2020-07-20 2020-07-20 車両用灯具

Country Status (3)

Country Link
US (1) US11441750B2 (enExample)
EP (1) EP3943808B1 (enExample)
JP (1) JP7517888B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022101928A1 (de) 2022-01-27 2023-07-27 Marelli Automotive Lighting Reutlingen (Germany) GmbH Optik-Vollkörper aus einem massiven transparenten Material, Lichtmodul mit einem solchen Optik-Vollkörper und Kraftfahrzeugbeleuchtungseinrichtung mit einem solchen Lichtmodul
DE102022101926A1 (de) 2022-01-27 2023-07-27 Marelli Automotive Lighting Reutlingen (Germany) GmbH Verfahren zur Fertigung eines Optik-Vollkörpers aus einem massiven transparenten Material mit einer optisch wirksamen Schicht
CN118129102A (zh) * 2022-12-02 2024-06-04 本田技研工业株式会社 用于车辆用灯体的透镜结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015022848A1 (ja) 2013-08-12 2015-02-19 三菱電機株式会社 車両用前照灯装置および導光素子
JP2017174726A (ja) 2016-03-25 2017-09-28 スタンレー電気株式会社 車両用灯具付きウィンドウパネル及び車両用リアパネル
WO2018043663A1 (ja) 2016-09-02 2018-03-08 株式会社小糸製作所 車両用灯具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH063526A (ja) * 1992-06-18 1994-01-14 Fujitsu Ltd 照明装置
JP3493696B2 (ja) * 1993-10-20 2004-02-03 株式会社デンソー 照明装置
JP6333470B2 (ja) 2015-04-06 2018-05-30 三菱電機株式会社 前照灯用光源および前照灯
DE102016109132A1 (de) 2016-05-18 2017-11-23 Hella Kgaa Hueck & Co. Scheinwerfer, insbesondere Scheinwerfer eines Kraftfahrzeugs
ITUA20163800A1 (it) 2016-05-25 2017-11-25 Automotive Lighting Italia Spa Apparecchio di illuminazione automobilistico
DE102016111501B4 (de) 2016-06-23 2023-11-16 HELLA GmbH & Co. KGaA Optikmodul für einen Scheinwerfer eines Fahrzeugs
CN108954214A (zh) 2018-05-31 2018-12-07 丽清汽车科技(上海)有限公司 一种轻薄型尾灯

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015022848A1 (ja) 2013-08-12 2015-02-19 三菱電機株式会社 車両用前照灯装置および導光素子
JP2017174726A (ja) 2016-03-25 2017-09-28 スタンレー電気株式会社 車両用灯具付きウィンドウパネル及び車両用リアパネル
WO2018043663A1 (ja) 2016-09-02 2018-03-08 株式会社小糸製作所 車両用灯具

Also Published As

Publication number Publication date
US20220018510A1 (en) 2022-01-20
EP3943808A1 (en) 2022-01-26
EP3943808B1 (en) 2023-10-04
JP2022020173A (ja) 2022-02-01
US11441750B2 (en) 2022-09-13

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