JP2025085051A - 光学部材 - Google Patents

光学部材 Download PDF

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Publication number
JP2025085051A
JP2025085051A JP2023198726A JP2023198726A JP2025085051A JP 2025085051 A JP2025085051 A JP 2025085051A JP 2023198726 A JP2023198726 A JP 2023198726A JP 2023198726 A JP2023198726 A JP 2023198726A JP 2025085051 A JP2025085051 A JP 2025085051A
Authority
JP
Japan
Prior art keywords
light
light guide
smooth surface
incident
reinforcing portion
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.)
Pending
Application number
JP2023198726A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025085051A5 (https=
Inventor
真俊 辻
Masatoshi Tsuji
鋼次郎 舘
Kojiro Tate
浩 安藤
Hiroshi Ando
恒 劉
Heng Liu
功二 佐藤
Koji Sato
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.)
Denso Corp
Toyota Motor Corp
Mirise Technologies Corp
Original Assignee
Denso Corp
Toyota Motor Corp
Mirise Technologies Corp
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 Denso Corp, Toyota Motor Corp, Mirise Technologies Corp filed Critical Denso Corp
Priority to JP2023198726A priority Critical patent/JP2025085051A/ja
Priority to US18/815,587 priority patent/US20250172744A1/en
Priority to CN202411499675.5A priority patent/CN120028900A/zh
Publication of JP2025085051A publication Critical patent/JP2025085051A/ja
Publication of JP2025085051A5 publication Critical patent/JP2025085051A5/ja
Pending legal-status Critical Current

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Classifications

    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0093—Means for protecting the light guide
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/081—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors avoiding blind spots, e.g. by using a side-by-side association of mirrors
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Light Guides In General And Applications Therefor (AREA)
JP2023198726A 2023-11-23 2023-11-23 光学部材 Pending JP2025085051A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023198726A JP2025085051A (ja) 2023-11-23 2023-11-23 光学部材
US18/815,587 US20250172744A1 (en) 2023-11-23 2024-08-26 Optical member
CN202411499675.5A CN120028900A (zh) 2023-11-23 2024-10-25 光学构件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023198726A JP2025085051A (ja) 2023-11-23 2023-11-23 光学部材

Publications (2)

Publication Number Publication Date
JP2025085051A true JP2025085051A (ja) 2025-06-04
JP2025085051A5 JP2025085051A5 (https=) 2026-03-04

Family

ID=95730500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023198726A Pending JP2025085051A (ja) 2023-11-23 2023-11-23 光学部材

Country Status (3)

Country Link
US (1) US20250172744A1 (https=)
JP (1) JP2025085051A (https=)
CN (1) CN120028900A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026054139A (ja) * 2024-09-13 2026-03-26 株式会社デンソー 光学装置

Also Published As

Publication number Publication date
CN120028900A (zh) 2025-05-23
US20250172744A1 (en) 2025-05-29

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Effective date: 20260224

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