JP2019033044A - 導光体および車両用灯具 - Google Patents
導光体および車両用灯具 Download PDFInfo
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- JP2019033044A JP2019033044A JP2017154610A JP2017154610A JP2019033044A JP 2019033044 A JP2019033044 A JP 2019033044A JP 2017154610 A JP2017154610 A JP 2017154610A JP 2017154610 A JP2017154610 A JP 2017154610A JP 2019033044 A JP2019033044 A JP 2019033044A
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- light guide
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- shaped
- light
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- 239000003063 flame retardant Substances 0.000 description 1
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- 229910052736 halogen Inorganic materials 0.000 description 1
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Images
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
- 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
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- 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
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout 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
- 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
- F21S43/235—Light guides
- F21S43/242—Light guides characterised by the emission area
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- 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
- G02B6/0045—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 by shaping at least a portion 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- 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
- G02B6/0086—Positioning aspects
-
- 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
- G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, or the like
-
- 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
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (6)
- 棒状部および板状部を備える導光体であって、
前記棒状部は、棒状導光部と、前記棒状導光部の周面から突出し前記棒状導光部に沿って延在する接続凸部と、を備え、
前記板状部は、互いに背向する2つの主表面と、前記2つの主表面をつなぐ板状部側面と、を備え、
前記導光体は、前記棒状部が第1樹脂材料で形成され、前記板状部が光拡散材を含有する第2樹脂材料で形成された多色成形品であり、
前記棒状導光部が前記接続凸部によって前記板状部側面に接続されていることを特徴とする導光体。 - 前記接続凸部は、前記板状部の側面に接合された接合面と、前記接合面の両側に配置され前記接合面を前記棒状導光部の周面につなぐ2つの凸部側面と、を備え、
前記2つの凸部側面のうち一方または両方が、前記板状部の2つの主表面のうち一方または両方と面一であることを特徴とする請求項1に記載の導光体。 - 前記2つの凸部側面のうち一方または両方が、前記棒状導光部の周面と接することを特徴とする請求項2に記載の導光体。
- 前記2つの凸部側面の一方から他方までの前記接合面の幅が、前記板状部の基本肉厚より大きいことを特徴とする請求項2または3に記載の導光体。
- 前記接続凸部は、部分的に前記板状部側面に突出していることを特徴とする請求項1から4のいずれかに記載の導光体。
- 請求項1から5のいずれかに記載の導光体と、光源と、を備え、
前記光源の光は、前記棒状導光部の光入射面から前記棒状導光部に入射し、前記棒状導光部から前記接続凸部を介して前記板状部に進入し、前記光拡散材によって前記板状部の主表面から出射されることを特徴とする車両用灯具。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017154610A JP6967394B2 (ja) | 2017-08-09 | 2017-08-09 | 導光体および車両用灯具 |
| US16/053,830 US10520155B2 (en) | 2017-08-09 | 2018-08-03 | Light guide and vehicle lamp |
| CN201810890039.3A CN109386816A (zh) | 2017-08-09 | 2018-08-07 | 导光体及车辆用灯具 |
| CN201821267753.9U CN208859536U (zh) | 2017-08-09 | 2018-08-07 | 导光体及车辆用灯具 |
| DE102018213317.4A DE102018213317B4 (de) | 2017-08-09 | 2018-08-08 | Lichtleiter und Fahrzeugleuchte |
| FR1857386A FR3070071B1 (fr) | 2017-08-09 | 2018-08-08 | Guide de lumiere et lampe de vehicule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017154610A JP6967394B2 (ja) | 2017-08-09 | 2017-08-09 | 導光体および車両用灯具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019033044A true JP2019033044A (ja) | 2019-02-28 |
| JP6967394B2 JP6967394B2 (ja) | 2021-11-17 |
Family
ID=65084668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017154610A Active JP6967394B2 (ja) | 2017-08-09 | 2017-08-09 | 導光体および車両用灯具 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10520155B2 (ja) |
| JP (1) | JP6967394B2 (ja) |
| CN (2) | CN109386816A (ja) |
| DE (1) | DE102018213317B4 (ja) |
| FR (1) | FR3070071B1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020173999A (ja) * | 2019-04-11 | 2020-10-22 | 株式会社小糸製作所 | 車両用灯具および導光体の製造方法 |
| WO2022039270A1 (ja) * | 2020-08-21 | 2022-02-24 | 株式会社ファルテック | 移動体搭載表示装置 |
| JP2024153753A (ja) * | 2019-09-10 | 2024-10-29 | 株式会社小糸製作所 | 車両用灯具、レーダモジュール、レーダ及び車両 |
| US12392465B2 (en) | 2022-04-06 | 2025-08-19 | Stanley Electric Co., Ltd. | Vehicle lamp |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6967394B2 (ja) * | 2017-08-09 | 2021-11-17 | 株式会社小糸製作所 | 導光体および車両用灯具 |
| JP7308083B2 (ja) * | 2019-06-26 | 2023-07-13 | 株式会社小糸製作所 | 車両用灯具 |
| DE102020127363A1 (de) | 2020-10-01 | 2022-04-07 | Kellermann Gmbh | Fahrzeugleuchte |
| DE102021111305A1 (de) | 2021-05-01 | 2022-11-03 | HELLA GmbH & Co. KGaA | Beleuchtungsvorrichtung und Verfahren zu deren Herstellung |
| DE102022119181B3 (de) | 2022-08-01 | 2023-09-07 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Lichtleiter und beleuchtbare Blende |
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| JP2001250415A (ja) * | 1999-12-28 | 2001-09-14 | Fujitsu Kasei Kk | 照明装置 |
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| JP2014116142A (ja) * | 2012-12-07 | 2014-06-26 | Koito Mfg Co Ltd | 車両用灯具 |
| JP2014146468A (ja) * | 2013-01-28 | 2014-08-14 | Sumitomo Chemical Co Ltd | 導光板 |
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-
2018
- 2018-08-03 US US16/053,830 patent/US10520155B2/en active Active
- 2018-08-07 CN CN201810890039.3A patent/CN109386816A/zh active Pending
- 2018-08-07 CN CN201821267753.9U patent/CN208859536U/zh active Active
- 2018-08-08 DE DE102018213317.4A patent/DE102018213317B4/de active Active
- 2018-08-08 FR FR1857386A patent/FR3070071B1/fr active Active
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| JP2001250415A (ja) * | 1999-12-28 | 2001-09-14 | Fujitsu Kasei Kk | 照明装置 |
| JP2005235759A (ja) * | 2004-02-17 | 2005-09-02 | Seiko Instruments Inc | 照明装置、及びこれを用いた表示装置 |
| JP2008224900A (ja) * | 2007-03-09 | 2008-09-25 | Citizen Electronics Co Ltd | 電子ペーパー表示装置 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020173999A (ja) * | 2019-04-11 | 2020-10-22 | 株式会社小糸製作所 | 車両用灯具および導光体の製造方法 |
| JP7256674B2 (ja) | 2019-04-11 | 2023-04-12 | 株式会社小糸製作所 | 車両用灯具および導光体の製造方法 |
| JP2024153753A (ja) * | 2019-09-10 | 2024-10-29 | 株式会社小糸製作所 | 車両用灯具、レーダモジュール、レーダ及び車両 |
| JP7760666B2 (ja) | 2019-09-10 | 2025-10-27 | 株式会社小糸製作所 | 車両用灯具、レーダモジュール、レーダ及び車両 |
| WO2022039270A1 (ja) * | 2020-08-21 | 2022-02-24 | 株式会社ファルテック | 移動体搭載表示装置 |
| JP2022035593A (ja) * | 2020-08-21 | 2022-03-04 | 株式会社ファルテック | 移動体搭載表示装置 |
| JP7527155B2 (ja) | 2020-08-21 | 2024-08-02 | 株式会社ファルテック | スクリーングリル |
| US12305825B2 (en) | 2020-08-21 | 2025-05-20 | Faltec Co., Ltd. | Mobile-object-mounted display device |
| US12392465B2 (en) | 2022-04-06 | 2025-08-19 | Stanley Electric Co., Ltd. | Vehicle lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| US10520155B2 (en) | 2019-12-31 |
| FR3070071A1 (fr) | 2019-02-15 |
| JP6967394B2 (ja) | 2021-11-17 |
| DE102018213317A1 (de) | 2019-02-14 |
| FR3070071B1 (fr) | 2022-05-06 |
| US20190049086A1 (en) | 2019-02-14 |
| DE102018213317B4 (de) | 2023-06-07 |
| CN109386816A (zh) | 2019-02-26 |
| CN208859536U (zh) | 2019-05-14 |
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