JP2022113003A - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
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- JP2022113003A JP2022113003A JP2021009076A JP2021009076A JP2022113003A JP 2022113003 A JP2022113003 A JP 2022113003A JP 2021009076 A JP2021009076 A JP 2021009076A JP 2021009076 A JP2021009076 A JP 2021009076A JP 2022113003 A JP2022113003 A JP 2022113003A
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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
- 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
- F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
-
- 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
-
- 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
- B60Q1/0041—Spatial arrangement of several lamps in relation to each other
- B60Q1/0052—Spatial arrangement of several lamps in relation to each other concentric
-
- 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
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/2607—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic comprising at least two indicating lamps
-
- 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]
-
- 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
- F21S41/14—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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- 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
- F21S41/40—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
- 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
- F21S43/10—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
- F21S43/15—Strips of light sources
-
- 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
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- 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
- F21S43/249—Light guides with two or more light sources being coupled into the light guide
-
- 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
- F21S43/27—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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
〔1〕 光源と、
前記光源から出射された光を導光させる導光体と、
前記導光体の周囲を遮光するシェードとを備え、
前記導光体は、前記光源の前方に位置して、前記光源から出射された光の光軸と直交する一の方向の寸法よりも前記光軸及び前記一の方向と直交する他の方向の寸法が長くなる導光部と、
前記導光部の前記光源と対向する側に位置して、前記光源から出射された光を前記導光部の内部へと入射する入射部と、
前記導光部の前記入射部とは反対側に位置して、前記導光部の内部で導光される光を前記導光部の外部へと出射する出射部とを有し、
前記シェードは、前記光源から出射された光のうち前記入射部に入射する光を通過させる開口部を有し、
前記一の方向の断面において、前記導光部の中心軸に対して前記光軸が前記一の方向の一方側にオフセットした位置にあることを特徴とする車両用灯具。
〔2〕 前記入射部は、前記光源から放射状に出射された光のうち、前記一の方向において所定の角度範囲に制限された光のみを入射することを特徴とする前記〔1〕に記載の車両用灯具。
〔3〕 前記開口部を通過した光の前記光軸を挟んだ一方側の角度範囲が他方側の角度範囲よりも小さいことを特徴とする前記〔2〕に記載の車両用灯具。
〔4〕 前記入射部は、前記一の方向の断面において、平坦な第1の入射面を有することを特徴とする前記〔2〕又は〔3〕に記載の車両用灯具。
〔5〕 前記入射部は、前記一の方向の断面において、前記第1の入射面を挟んだ一方側及び/又は他方側から前方に向かって傾斜した第2の入射面を有することを特徴とする前記〔4〕に記載の車両用灯具。
〔6〕 前記シェードは、前記一の方向の断面において、前記開口部を挟んだ一方側及び/又は他方側から前方に向かって傾斜した傾斜面を有し、
前記傾斜面は、前記開口部を通過した光とは非接触な角度で傾斜していることを特徴とする前記〔4〕又は〔5〕に記載の車両用灯具。
〔7〕 前記光源と前記入射部との間に前記開口部が位置することを特徴とする前記〔1〕~〔6〕の何れか一項に記載の車両用灯具。
〔8〕 前記開口部の内側に前記入射部が位置することを特徴とする前記〔1〕~〔6〕の何れか一項に記載の車両用灯具。
〔9〕 前記開口部と前記入射部とが互いに一致した形状を有することを特徴とする前記〔8〕に記載の車両用灯具。
〔10〕 前記光源は、前記他の方向に並んで設けられていることを特徴とする前記〔1〕~〔9〕の何れか一項に記載の車両用灯具。
〔11〕 前記導光部を挟んだ前記一の方向の一方側に位置して、前記導光体の周囲を覆うエクステンションを備えることを特徴とする前記〔1〕~〔10〕の何れか一項に記載の車両用灯具。
なお、以下の説明で用いる図面においては、各構成要素を見やすくするため、構成要素によって寸法の縮尺を異ならせて示すことがあり、各構成要素の寸法比率などが実際と同じであるとは限らない。
なお、図1は、車両用灯具1の構成を示す正面図である。図2は、車両用灯具1の構成を示す分解斜視図である。図3は、図1中に示す線分A-Aによる車両用灯具の断面図である。図4は、車両用灯具1の要部を拡大した断面図である。
例えば、上記車両用灯具1では、上述した光源2と入射部8(導光体4)との間に開口部5aが位置する構成に必ずしも限定されるものではなく、例えば、図6(a)~(d)に示すように、開口部5aの内側に入射部8が位置する構成であってもよい。さらに、図6(a),(b)に示すように、導光体4とシェード5とを別体に構成したもの(隙間ありの構成)や、図6(c),(d)に示すように、導光体4とシェード5とを一体に構成したもの(隙間なしの構成)であってもよい。特に、図6(c),(d)に示す構成では、開口部5aと入射部8とを互いに一致した形状とすることが可能である。
Claims (11)
- 光源と、
前記光源から出射された光を導光させる導光体と、
前記導光体の周囲を遮光するシェードとを備え、
前記導光体は、前記光源の前方に位置して、前記光源から出射された光の光軸と直交する一の方向の寸法よりも前記光軸及び前記一の方向と直交する他の方向の寸法が長くなる導光部と、
前記導光部の前記光源と対向する側に位置して、前記光源から出射された光を前記導光部の内部へと入射する入射部と、
前記導光部の前記入射部とは反対側に位置して、前記導光部の内部で導光される光を前記導光部の外部へと出射する出射部とを有し、
前記シェードは、前記光源から出射された光のうち前記入射部に入射する光を通過させる開口部を有し、
前記一の方向の断面において、前記導光部の中心軸に対して前記光軸が前記一の方向の一方側にオフセットした位置にあることを特徴とする車両用灯具。 - 前記入射部は、前記光源から放射状に出射された光のうち、前記一の方向において所定の角度範囲に制限された光のみを入射することを特徴とする請求項1に記載の車両用灯具。
- 前記開口部を通過した光の前記光軸を挟んだ一方側の角度範囲が他方側の角度範囲よりも小さいことを特徴とする請求項2に記載の車両用灯具。
- 前記入射部は、前記一の方向の断面において、平坦な第1の入射面を有することを特徴とする請求項2又は3に記載の車両用灯具。
- 前記入射部は、前記一の方向の断面において、前記第1の入射面を挟んだ一方側及び/又は他方側から前方に向かって傾斜した第2の入射面を有することを特徴とする請求項4に記載の車両用灯具。
- 前記シェードは、前記一の方向の断面において、前記開口部を挟んだ一方側及び/又は他方側から前方に向かって傾斜した傾斜面を有し、
前記傾斜面は、前記開口部を通過した光とは非接触な角度で傾斜していることを特徴とする請求項4又は5に記載の車両用灯具。 - 前記光源と前記入射部との間に前記開口部が位置することを特徴とする請求項1~6の何れか一項に記載の車両用灯具。
- 前記開口部の内側に前記入射部が位置することを特徴とする請求項1~6の何れか一項に記載の車両用灯具。
- 前記開口部と前記入射部とが互いに一致した形状を有することを特徴とする請求項8に記載の車両用灯具。
- 前記光源は、前記他の方向に並んで設けられていることを特徴とする請求項1~9の何れか一項に記載の車両用灯具。
- 前記導光部を挟んだ前記一の方向の一方側に位置して、前記導光体の周囲を覆うエクステンションを備えることを特徴とする請求項1~10の何れか一項に記載の車両用灯具。
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JP2021009076A JP2022113003A (ja) | 2021-01-22 | 2021-01-22 | 車両用灯具 |
US17/580,276 US11624487B2 (en) | 2021-01-22 | 2022-01-20 | Vehicle lamp |
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JP2021009076A JP2022113003A (ja) | 2021-01-22 | 2021-01-22 | 車両用灯具 |
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CA190732S (en) * | 2019-07-19 | 2022-04-21 | Bugatti Int S A | Vehicle rear light |
WO2024163077A1 (en) * | 2023-01-31 | 2024-08-08 | Apple Inc. | Vehicle with gap-filling light |
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WO2010076741A1 (en) * | 2009-01-05 | 2010-07-08 | Philips Intellectual Property & Standards Gmbh | Lighting assembly and automotive headlamp arrangement |
JP5441801B2 (ja) | 2010-04-12 | 2014-03-12 | 株式会社小糸製作所 | 車両用灯具 |
JP5731303B2 (ja) * | 2011-07-14 | 2015-06-10 | 株式会社小糸製作所 | 発光モジュール |
AT512865B1 (de) * | 2012-05-09 | 2014-12-15 | Zizala Lichtsysteme Gmbh | Beleuchtungseinrichtung für einen Kraftfahrzeugscheinwerfer sowie Lichtmodul und Kraftfahrzeugscheinwerfer mit Beleuchtungseinrichtung |
US9689550B2 (en) * | 2015-07-10 | 2017-06-27 | Min Hsiang Corporation | Vehicular lamp device |
AT517697B1 (de) * | 2015-09-30 | 2017-04-15 | Zkw Group Gmbh | Beleuchtungsvorrichtung für einen Kraftfahrzeugscheinwerfer |
WO2018065278A1 (en) * | 2016-10-04 | 2018-04-12 | Lumileds Holding B.V. | Reducing thermal sensitivity of a lighting arrangement |
FR3085903B1 (fr) * | 2018-09-19 | 2021-06-25 | Valeo Vision | Systeme lumineux pour dispositif d'eclairage et/ou de signalisation d'un vehicule automobile |
CN109268774A (zh) * | 2018-10-25 | 2019-01-25 | 华域视觉科技(上海)有限公司 | 一种双排矩阵式照明模组及其辅助照明方法 |
WO2020120260A1 (en) * | 2018-12-13 | 2020-06-18 | Lumileds Holding B.V. | Precollimator for a lighting device |
US11168860B1 (en) * | 2020-05-07 | 2021-11-09 | Sl Corporation | Automotive lamp |
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