JP7841543B2 - ランプユニット、車両用灯具 - Google Patents

ランプユニット、車両用灯具

Info

Publication number
JP7841543B2
JP7841543B2 JP2023566397A JP2023566397A JP7841543B2 JP 7841543 B2 JP7841543 B2 JP 7841543B2 JP 2023566397 A JP2023566397 A JP 2023566397A JP 2023566397 A JP2023566397 A JP 2023566397A JP 7841543 B2 JP7841543 B2 JP 7841543B2
Authority
JP
Japan
Prior art keywords
light
lens
axis
lamp unit
incident surface
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
JP2023566397A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023106422A5 (https=
JPWO2023106422A1 (https=
Inventor
泰宏 大久保
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.)
Ichikoh Industries Ltd
Original Assignee
Ichikoh Industries 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 Ichikoh Industries Ltd filed Critical Ichikoh Industries Ltd
Publication of JPWO2023106422A1 publication Critical patent/JPWO2023106422A1/ja
Publication of JPWO2023106422A5 publication Critical patent/JPWO2023106422A5/ja
Application granted granted Critical
Publication of JP7841543B2 publication Critical patent/JP7841543B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0029—Spatial arrangement
    • B60Q1/0035—Spatial arrangement relative to the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/2605—Refractors
    • F21S43/2621—Refractors characterised by the properties of the light beam shaping surface
    • F21S43/26231—Refractors characterised by the properties of the light beam shaping surface collimating, focusing, condensing or projecting beams, e.g. projection lenses or Fresnel 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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/2605—Refractors
    • F21S43/2641—Refractors or refracting portions characterised by their relative arrangement, e.g. parallel refractors
    • F21S43/26411—Two or more successive refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • F21S43/402—Total internal reflection [TIR] collimators
    • 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
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/60—Projection of signs from lighting devices, e.g. symbols or information being projected onto the road
    • 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP2023566397A 2021-12-10 2022-12-12 ランプユニット、車両用灯具 Active JP7841543B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021201139 2021-12-10
JP2021201139 2021-12-10
PCT/JP2022/045619 WO2023106422A1 (ja) 2021-12-10 2022-12-12 ランプユニット、車両用灯具

Publications (3)

Publication Number Publication Date
JPWO2023106422A1 JPWO2023106422A1 (https=) 2023-06-15
JPWO2023106422A5 JPWO2023106422A5 (https=) 2024-10-03
JP7841543B2 true JP7841543B2 (ja) 2026-04-07

Family

ID=86730669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023566397A Active JP7841543B2 (ja) 2021-12-10 2022-12-12 ランプユニット、車両用灯具

Country Status (5)

Country Link
US (1) US12292173B2 (https=)
EP (1) EP4446645A4 (https=)
JP (1) JP7841543B2 (https=)
CN (1) CN118369539A (https=)
WO (1) WO2023106422A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12292173B2 (en) * 2021-12-10 2025-05-06 Ichikoh Industries, Ltd. Lamp unit, and vehicle lamp fitting

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020205237A (ja) 2019-06-12 2020-12-24 市光工業株式会社 車両用灯具
JP2021111465A (ja) 2020-01-07 2021-08-02 市光工業株式会社 車両用灯具
JP2021118119A (ja) 2020-01-28 2021-08-10 市光工業株式会社 車両用灯具

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5243095B2 (https=) * 1973-08-03 1977-10-28
DE102014207419A1 (de) * 2014-04-17 2015-11-05 Volkswagen Aktiengesellschaft Kraftfahrzeug mit wenigstens einer Projektionsvorrichtung zur Erzeugung wenigstens einer räumlich abgegrenzten Lichtprojektion
JP7171219B2 (ja) 2018-04-18 2022-11-15 マクセル株式会社 路面映像投射装置
JP7412077B2 (ja) 2018-12-21 2024-01-12 スタンレー電気株式会社 車両用路面描画投光ユニット
DE102020000293B4 (de) * 2020-01-20 2022-12-01 Mercedes-Benz Group AG Vorrichtung und Verfahren zur Projektion von Symbolen
JP7521437B2 (ja) * 2021-01-22 2024-07-24 市光工業株式会社 車両用灯具
JP7753818B2 (ja) * 2021-11-12 2025-10-15 市光工業株式会社 ランプユニット、車両用灯具
FR3129458B1 (fr) * 2021-11-25 2024-03-29 Valeo Vision Dispositif de projection de faisceaux lumineux
US12292173B2 (en) * 2021-12-10 2025-05-06 Ichikoh Industries, Ltd. Lamp unit, and vehicle lamp fitting
US11976800B1 (en) * 2023-02-02 2024-05-07 Ford Global Technologies, Llc Vehicle lighting assembly with light blade and lighting method
DE102023113254A1 (de) * 2023-05-22 2024-11-28 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für ein Kraftfahrzeug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020205237A (ja) 2019-06-12 2020-12-24 市光工業株式会社 車両用灯具
JP2021111465A (ja) 2020-01-07 2021-08-02 市光工業株式会社 車両用灯具
JP2021118119A (ja) 2020-01-28 2021-08-10 市光工業株式会社 車両用灯具

Also Published As

Publication number Publication date
US20250035285A1 (en) 2025-01-30
EP4446645A1 (en) 2024-10-16
WO2023106422A1 (ja) 2023-06-15
US12292173B2 (en) 2025-05-06
EP4446645A4 (en) 2025-12-10
CN118369539A (zh) 2024-07-19
JPWO2023106422A1 (https=) 2023-06-15

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