JP7457018B2 - 車輌用前照灯の製造方法 - Google Patents
車輌用前照灯の製造方法 Download PDFInfo
- Publication number
- JP7457018B2 JP7457018B2 JP2021528142A JP2021528142A JP7457018B2 JP 7457018 B2 JP7457018 B2 JP 7457018B2 JP 2021528142 A JP2021528142 A JP 2021528142A JP 2021528142 A JP2021528142 A JP 2021528142A JP 7457018 B2 JP7457018 B2 JP 7457018B2
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- Japan
- Prior art keywords
- lens holder
- lens
- laser beam
- projection lens
- light
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000003466 welding Methods 0.000 claims description 70
- 229920000515 polycarbonate Polymers 0.000 claims description 20
- 239000004417 polycarbonate Substances 0.000 claims description 20
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 description 19
- 238000005304 joining Methods 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 239000000049 pigment Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Images
Classifications
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- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- 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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- 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
- F21S41/295—Attachment thereof specially adapted to 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
- F21S41/30—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
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)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
先ず、車輌用前照灯1の構成について説明する(図1参照)。
次に、投影レンズ12とレンズホルダー11の接合について説明する(図2乃至図4参照)。
以上に記載した通り、車輌用前照灯1にあっては、投影レンズ12を透過される1550nm~1640nmの波長Aのレーザー光が溶着面13aに照射されることによりアクリルによって形成された透明な投影レンズ12とポリカーボネイトによって形成された透明なレンズホルダー11とが接合される。
以下に、投影レンズとレンズホルダーの接合部分における別の構成について説明する(図6参照)。
Claims (3)
- アクリルによって形成された投影レンズとポリカーボネイトによって形成されたレンズホルダーとがレーザー溶着によって接合される車輌用前照灯の製造方法であって、
前記投影レンズが溶着面を有し透明に形成され、
前記レンズホルダーが前記溶着面と接合される接合面を有し透明に形成され、
前記レンズホルダーを透過される1850nm~1960nmの波長のレーザー光が前記溶着面に照射されることにより前記投影レンズと前記レンズホルダーが接合される
車輌用前照灯の製造方法。 - レーザー光の光路上に集光レンズが配置された
請求項1に記載の車輌用前照灯の製造方法。 - レーザー光の光路上にポリカーボネイトによって形成されたフィルターが配置された
請求項1又は請求項2に記載の車輌用前照灯の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019115320 | 2019-06-21 | ||
JP2019115320 | 2019-06-21 | ||
PCT/JP2020/022865 WO2020255826A1 (ja) | 2019-06-21 | 2020-06-10 | 車輌用前照灯 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020255826A1 JPWO2020255826A1 (ja) | 2020-12-24 |
JP7457018B2 true JP7457018B2 (ja) | 2024-03-27 |
Family
ID=74040763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021528142A Active JP7457018B2 (ja) | 2019-06-21 | 2020-06-10 | 車輌用前照灯の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220260224A1 (ja) |
JP (1) | JP7457018B2 (ja) |
CN (1) | CN114008380A (ja) |
WO (1) | WO2020255826A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005339988A (ja) | 2004-05-27 | 2005-12-08 | Koito Mfg Co Ltd | 車輌用灯具の製造方法 |
JP2010161048A (ja) | 2009-01-12 | 2010-07-22 | Stanley Electric Co Ltd | プロジェクタ型車両用前照灯 |
JP2012178301A (ja) | 2011-02-28 | 2012-09-13 | Stanley Electric Co Ltd | 車両用灯具及び車両用灯具の製造方法 |
JP2013196844A (ja) | 2012-03-16 | 2013-09-30 | Stanley Electric Co Ltd | 車両用灯具及び車両用灯具の製造方法 |
WO2016084545A1 (ja) | 2014-11-27 | 2016-06-02 | 旭化成ケミカルズ株式会社 | 車両ランプ及びレンズ成形品 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006297452A (ja) * | 2005-04-21 | 2006-11-02 | Toyota Boshoku Corp | レーザー溶接方法 |
US8198565B2 (en) * | 2007-04-11 | 2012-06-12 | Chrysler Group Llc | Laser-welding apparatus and method |
JP2009186699A (ja) * | 2008-02-06 | 2009-08-20 | Alps Electric Co Ltd | レンズユニット及びその製造方法 |
JP2013196891A (ja) * | 2012-03-19 | 2013-09-30 | Stanley Electric Co Ltd | 車両用灯具の製造方法 |
US10731823B2 (en) * | 2018-03-28 | 2020-08-04 | Varroc Lighting Systems, s.r.o. | Composite lens arrangement of a light assembly for light collection and beam shaping |
-
2020
- 2020-06-10 CN CN202080045057.7A patent/CN114008380A/zh active Pending
- 2020-06-10 WO PCT/JP2020/022865 patent/WO2020255826A1/ja active Application Filing
- 2020-06-10 JP JP2021528142A patent/JP7457018B2/ja active Active
- 2020-06-10 US US17/619,409 patent/US20220260224A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005339988A (ja) | 2004-05-27 | 2005-12-08 | Koito Mfg Co Ltd | 車輌用灯具の製造方法 |
JP2010161048A (ja) | 2009-01-12 | 2010-07-22 | Stanley Electric Co Ltd | プロジェクタ型車両用前照灯 |
JP2012178301A (ja) | 2011-02-28 | 2012-09-13 | Stanley Electric Co Ltd | 車両用灯具及び車両用灯具の製造方法 |
JP2013196844A (ja) | 2012-03-16 | 2013-09-30 | Stanley Electric Co Ltd | 車両用灯具及び車両用灯具の製造方法 |
WO2016084545A1 (ja) | 2014-11-27 | 2016-06-02 | 旭化成ケミカルズ株式会社 | 車両ランプ及びレンズ成形品 |
Also Published As
Publication number | Publication date |
---|---|
WO2020255826A1 (ja) | 2020-12-24 |
JPWO2020255826A1 (ja) | 2020-12-24 |
US20220260224A1 (en) | 2022-08-18 |
CN114008380A (zh) | 2022-02-01 |
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