JP2020166936A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP2020166936A JP2020166936A JP2019063378A JP2019063378A JP2020166936A JP 2020166936 A JP2020166936 A JP 2020166936A JP 2019063378 A JP2019063378 A JP 2019063378A JP 2019063378 A JP2019063378 A JP 2019063378A JP 2020166936 A JP2020166936 A JP 2020166936A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light source
- flange portion
- light
- frame
- 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.)
- Granted
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- 230000003287 optical effect Effects 0.000 claims description 46
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/27—Thick 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]
- F21S41/143—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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
-
- 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
- F21S41/29—Attachment 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- 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
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
-
- 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
- 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
- F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
- F21W2102/18—Arrangement or contour of the emitted light for regions other than high beam or low beam for overhead signs
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)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
Description
Claims (5)
- 光源と、
前記光源が設けられ、前記光源からの熱を放熱する放熱部材と、
前記光源からの光を内方に導いて配光パターンを形成するレンズ本体を有するレンズ部材と、を備え、
前記レンズ部材は、フレーム部材を介在させて前記放熱部材に固定され、
前記フレーム部材は、前記レンズ本体を取り囲む筒状の筒状部を有することを特徴とする車両用灯具。 - 前記放熱部材は、前記光源が設けられるベース部と、前記ベース部から突出する取付腕部と、を有し、
前記レンズ部材および前記フレーム部材は、前記取付腕部の端部に取り付けられていることを特徴とする請求項1に記載の車両用灯具。 - 前記レンズ部材は、前記レンズ本体における出射面の近傍で前記レンズ本体の光軸と直交する方向に伸びる板状のレンズフランジ部を有し、
前記フレーム部材は、前記レンズフランジ部と並列されるフレームフランジ部を有し、
前記端部には、前記フレームフランジ部を介在させて前記レンズフランジ部が固定されていることを特徴とする請求項2に記載の車両用灯具。 - 前記端部は、位置決め突起を有し、
前記レンズフランジ部は、前記位置決め突起が嵌め入れられるレンズ位置決め孔を有し、
前記フレームフランジ部は、前記位置決め突起が嵌め入れられるフレーム位置決め孔を有し、
前記位置決め突起は、前記フレーム位置決め孔を通して前記レンズ位置決め孔に嵌め入れられることで、前記放熱部材に対して前記レンズ部材を位置決めすることを特徴とする請求項3に記載の車両用灯具。 - 前記フレームフランジ部には、前記出射面を囲みつつ前記レンズフランジ部へ向けて突出する遮蔽壁が設けられ、
前記レンズフランジ部には、前記遮蔽壁を通すことを許す遮蔽壁孔が設けられていることを特徴とする請求項3または請求項4に記載の車両用灯具。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019063378A JP7354570B2 (ja) | 2019-03-28 | 2019-03-28 | 車両用灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019063378A JP7354570B2 (ja) | 2019-03-28 | 2019-03-28 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020166936A true JP2020166936A (ja) | 2020-10-08 |
JP7354570B2 JP7354570B2 (ja) | 2023-10-03 |
Family
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JP2019063378A Active JP7354570B2 (ja) | 2019-03-28 | 2019-03-28 | 車両用灯具 |
Country Status (1)
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JP (1) | JP7354570B2 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000156106A (ja) * | 1998-11-20 | 2000-06-06 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2012109062A (ja) * | 2010-11-16 | 2012-06-07 | Stanley Electric Co Ltd | 車両用灯具 |
WO2015111543A1 (ja) * | 2014-01-22 | 2015-07-30 | 株式会社小糸製作所 | 車両用灯具 |
JP2015213033A (ja) * | 2014-05-07 | 2015-11-26 | 市光工業株式会社 | 車両用灯具 |
JP2016149274A (ja) * | 2015-02-13 | 2016-08-18 | 株式会社小糸製作所 | 車両用灯具 |
JP2016177994A (ja) * | 2015-03-20 | 2016-10-06 | 市光工業株式会社 | 車両用灯具 |
-
2019
- 2019-03-28 JP JP2019063378A patent/JP7354570B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000156106A (ja) * | 1998-11-20 | 2000-06-06 | Koito Mfg Co Ltd | 車両用前照灯 |
JP2012109062A (ja) * | 2010-11-16 | 2012-06-07 | Stanley Electric Co Ltd | 車両用灯具 |
WO2015111543A1 (ja) * | 2014-01-22 | 2015-07-30 | 株式会社小糸製作所 | 車両用灯具 |
JP2015213033A (ja) * | 2014-05-07 | 2015-11-26 | 市光工業株式会社 | 車両用灯具 |
JP2016149274A (ja) * | 2015-02-13 | 2016-08-18 | 株式会社小糸製作所 | 車両用灯具 |
JP2016177994A (ja) * | 2015-03-20 | 2016-10-06 | 市光工業株式会社 | 車両用灯具 |
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JP7354570B2 (ja) | 2023-10-03 |
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