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1. 发明专利

JP2011100692A Vehicular headlight 有权
标题翻译：机动车灯
公开(公告)号：JP2011100692A
公开(公告)日：2011-05-19
申请号：JP2009256242
申请日：2009-11-09
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI
IPC分类号： F21S8/12 , F21Y101/02
摘要： PROBLEM TO BE SOLVED: To form a low beam light distribution pattern having inclined cut-off line with one set of right and left headlights. SOLUTION: In a vehicular headlight 10, the low beam light distribution pattern having a horizontal cut-off line and an inclined cut-off line in which a prescribed inclination angle is included is projected toward the front of the car. Light-emitting element 12 is arranged inclined at an inclination angle equivalent to the angle inclined against the horizontal line. A translucent member 20 has: a rear face 20b of nearly paraboloid of revolution shape in the rear of the car side where the light-emitting element 12 is arranged; and a front face of nearly flat face shape in the front of the car side. A front face-reflecting part is formed on the front face so that the light emitted from the light source is reflected internally toward the rear face. A rear face-reflecting part is formed on the rear face so that the light reflected by the front face-reflecting part is reflected as emission light toward the front of the car. The rear face of the translucent member has: a first region which is configured such that the emission light forms the inclined cut-off line; and a second region which is configured such that the emission light forms the horizontal cut-off line. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：形成具有一组左右前照灯的具有倾斜切断线的近光配光图案。解决方案：在车辆用前照灯10中，具有水平切断线和其中包括规定倾斜角度的倾斜切断线的近光配光图案朝向轿厢前方突出。发光元件12以相对于水平线倾斜的角度的倾斜角倾斜地配置。半透明构件20具有：在配置有发光元件12的轿厢侧的后方的旋转形状近似抛物面的后面20b; 以及轿厢侧的前方近似平面的前面。前表面反射部分形成在前表面上，使得从光源发射的光被内部反射向背面。后表面反射部分形成在后表面上，使得由前表面反射部分反射的光作为发射光朝向汽车前部反射。半透明构件的后表面具有：第一区域，其被配置为使得发射光形成倾斜的切断线; 以及第二区域，其被配置为使得发射光形成水平截止线。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2014154305A Projection lens and optical surface determination method 有权
标题翻译：投影镜头和光学表面测定方法
公开(公告)号：JP2014154305A
公开(公告)日：2014-08-25
申请号：JP2013021966
申请日：2013-02-07
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI , SATO NORIKO
IPC分类号： F21S8/10 , F21W101/10 , F21Y101/02
CPC分类号： G02B17/086 , F21S41/143 , F21S41/322 , F21S41/335 , F21S41/37
摘要： PROBLEM TO BE SOLVED: To provide a projection lens having an optical surface determined by considering a middle wavefront.SOLUTION: A projection lens projects light emitted from a light source on the front side of a vehicle as a light distribution pattern. The projection lens makes an input wavefront emitted from a light source be incident, internally reflects the input wavefront on a first reflection region of a front surface of the projection lens, internally reflects the wavefront again on a second reflection region of a rear surface of the projection lens, refracts the wavefront on a refraction region of the front surface of the projection lens, and makes the wavefront exit as an output wavefront. The second reflection region of the rear surface is an optical surface determined based on a first middle wavefront internally reflected on the first reflection region of the front surface and a second middle wavefront before being refracted on the refraction region of the front surface.
摘要翻译：要解决的问题：提供具有通过考虑中间波前确定的光学表面的投影透镜。解决方案：投影透镜将从车辆前侧的光源发射的光作为配光图案投射。投影透镜使得从光源发射的输入波前入射，在投影透镜的前表面的第一反射区域上内部反射输入波前，再次在波前面的第二反射区域反射投影透镜在投影透镜的前表面的折射区域折射波前，并将波前退出作为输出波前。后表面的第二反射区域是基于在前表面的第一反射区域上内反射的第一中间波前和在前表面的折射区域折射之前的第二中间波前确定的光学表面。

3. 发明专利

JP2014032934A Vehicle lamp fitting 审中-公开
标题翻译：车灯配件
公开(公告)号：JP2014032934A
公开(公告)日：2014-02-20
申请号：JP2012174351
申请日：2012-08-06
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： MASUDA TAKESHI , OTANI TOMOAKI , TOKITA TSUKASA , TSUDA TOSHIAKI
IPC分类号： F21S8/10 , F21S8/12 , F21V9/16 , F21V21/00 , F21Y101/00
摘要： PROBLEM TO BE SOLVED: To provide a technology for improving the performance of a vehicle lamp fitting using a laser light source.SOLUTION: A vehicle lamp fitting 1 according to one embodiment of this invention includes: a laser light source part 18; a light emitting member 16 which receives laser light L from the laser light source part 18 and emits light; and a vibration part 34 which uses vibrations of a vehicle to vibrate at least one of the laser light source part 18 and the light emitting member 16.
摘要翻译：要解决的问题：提供一种用于提高使用激光光源的车辆灯具的性能的技术。解决方案：根据本发明的一个实施例的车灯配件1包括：激光源部18; 发光部件16，其从激光光源部18接收激光L并发光; 以及使用车辆的振动使激光光源部18和发光部件16中的至少一个振动的振动部34。

4. 发明专利

JP2012164562A Vehicular headlight 有权
标题翻译：机动车灯
公开(公告)号：JP2012164562A
公开(公告)日：2012-08-30
申请号：JP2011024992
申请日：2011-02-08
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI
IPC分类号： F21S8/10 , F21V8/00 , F21Y101/02
CPC分类号： F21S41/285 , F21S41/143 , F21S41/322
摘要： PROBLEM TO BE SOLVED: To provide a vehicular headlight improved in a luminous flux use rate.SOLUTION: In the vehicular headlight for projecting a low beam light-distribution pattern having a horizontal cutoff line and an inclined cutoff line in front of a vehicle, a light source is arranged by facing ahead in a vehicular front and rear direction. A light-transmitting member is arranged on a front side of the light source. A lower end edge of the light source has a light-emitting surface extended in a straight line shape, and the lower end edge of the light-emitting surface is arranged so as to make it locate on a horizontal line approximately perpendicular to a lamp front and rear direction. The light-transmitting member is formed to emit the light emitted from the light source from the front surface of the light-transmitting member by internally reflecting it again on the rear surface of the light-transmitting member after internally reflecting on the front surface of the light-transmitting member by entering the light emitted from the light source. The front surface of the light-transmitting member is formed of a free curved surface, and the rear surface of the light-transmitting member is formed of a predetermined light reflection control surface wherein the free curved surface is formed as a reference surface.
摘要翻译：要解决的问题：提供改善光通量使用率的车辆前照灯。解决方案：在车辆前方投射具有水平截止线和倾斜切断线的近光配光图案的车辆用前照灯中，在车辆前后方向上面对前方布置光源。光源的前侧配置有透光部件。光源的下端边缘具有以直线形状延伸的发光表面，并且发光表面的下端边缘布置成使其位于大致垂直于灯头的水平线上和后方向。透光部件形成为通过在透光部件的后表面上再次内反射而在光传输部件的前表面上从光源发射出的光，透光构件通过进入从光源发射的光。透光构件的前表面由自由曲面形成，透光构件的后表面由预定的光反射控制表面形成，其中自由曲面形成为基准面。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2014008810A Rear window of vehicle 审中-公开
标题翻译：车窗后窗
公开(公告)号：JP2014008810A
公开(公告)日：2014-01-20
申请号：JP2012144981
申请日：2012-06-28
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： YAMAMOTO HIDEAKI , OTANI TOMOAKI , YAMAMURA SATOSHI , INOUE KAZUHISA , NAKABAYASHI MASAAKI , YAMADA KENJI
IPC分类号： B60J1/00
摘要： PROBLEM TO BE SOLVED: To easily destroy a rear window of a vehicle which is disposed in a rear part of a vehicle body in an emergency even when the rear window is composed of a resin member.SOLUTION: A rear window 20 is composed of a resin member and the shape flexibility is enhanced. A partial area in the rear window 20 is configured as a fragile section 20F having lower strength than that of the surrounding area. Specifically, a pair of right and left groove sections 20a1 are formed in an inner surface 20a of the rear window 20. The rear window 20 composed of the resin member in such a way has much higher strength against impact load than that of the rear window 20 composed of a glass member. But the rear window 20 is destroyed in the fragile section 20F to thereby facilitate the destruction.
摘要翻译：要解决的问题：即使在后窗由树脂构件构成的情况下，也可以在紧急情况下容易地破坏设置在车身后部的车辆的后窗。解决方案：后窗20由树脂构件和形状柔韧性得到增强。后窗20中的局部区域被构造为具有比周围区域低的强度的脆弱部分20F。具体地，在后窗20的内表面20a中形成有一对左右槽部20a1。由树脂构件构成的后窗20，与后窗的冲击载荷相比具有高得多的冲击载荷强度 20由玻璃构件组成。但后窗20在脆弱部分20F中被破坏，从而便于破坏。

6. 发明专利

JP2013137980A Vehicular lighting lamp 有权
标题翻译：车用照明灯
公开(公告)号：JP2013137980A
公开(公告)日：2013-07-11
申请号：JP2012040761
申请日：2012-02-27
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI , KAWAI HIROKI
IPC分类号： F21S8/10 , F21Y101/02
摘要： PROBLEM TO BE SOLVED: To provide a vehicular lighting lamp capable of forming a low-beam light distribution pattern by means of its irradiation light in a thin lamp structure and forming an OHS irradiation light distribution pattern at a position separated upward from its cutoff line, in the vehicular lighting lamp formed to emit light from a light-emitting element toward front of the lamp with a translucent member fitted to the front.SOLUTION: The light from the light-emitting element 12 is emitted from a front face 14a of the translucent member 14 after it is internally reflected at a front face 14a of the translucent member 14 ant then, internally reflected again at its rear face 14b. Then, a right and left pair of lens parts 14c for emitting part of light from the light-emitting element 12 which is internally reflected again at the rear face 14b of the translucent member 14 is formed on a peripheral region 14a2 of the front face 14a of the translucent member 14. Further, the OHS irradiation light distribution pattern is formed with the light emitted from the right and left pair of lens parts 14c.
摘要翻译：要解决的问题：为了提供一种车灯照明灯，其能够通过其在较薄的灯结构中的照射光形成远光配光图案并且在从其截止线向上分离的位置处形成OHS照射配光图案，在形成为从发光元件朝向灯前方发光的车辆用照明灯中，其前端配有半透明构件。解决方案：来自发光元件12的光从半透明的前面14a发射构件14在透光构件14的前表面14a内部反射之后，再次在其后表面14b反射。然后，在前面14a的周边区域14a2上形成用于发出来自发光元件12的部分光的左右一对透镜部14c，其内部反射再次位于透光性部件14的背面14b 此外，OHS照射配光图案由从左右对的透镜部14c发射的光形成。

7. 发明专利

JP2012018846A Lighting lamp fitting for vehicle 有权
标题翻译：灯具照明灯配件
公开(公告)号：JP2012018846A
公开(公告)日：2012-01-26
申请号：JP2010156069
申请日：2010-07-08
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI
IPC分类号： F21S8/12 , F21S8/10 , F21V3/00 , F21W101/10 , F21Y101/02
CPC分类号： F21V13/04 , F21S41/143 , F21S41/155 , F21S41/285 , F21S41/322 , F21S41/336 , F21S41/36 , F21S41/365 , F21S45/47 , F21S48/1388 , F21V7/0025 , F21V29/004 , F21V29/763 , F21Y2103/10 , F21Y2115/10
摘要： PROBLEM TO BE SOLVED: To enable a lighting lamp fitting for a vehicle equipped with a light-emitting element and a translucent member to form a low-beam light distribution pattern having horizontal and slanted cutoff lines and to form the cutoff lines clearly.SOLUTION: Light from the light-emitting element 12 is made internally reflected at a front face 14a of the translucent member 14, and then, is again made internally reflected at its rear face 14b to be irradiated from the front face 14a. At that time, a lower-end edge 12A1 of a light-emitting face 12A in the light-emitting element 12 is to be positioned on a horizontal line perpendicular to a light axis Ax. Further, in the rear face 14b of the translucent member 14, a neighborhood region Z1ic of a given curve C1 extended so as to be convex toward the light axis Ax in lamp fitting front view in an inner periphery-side region Z1i located at a further inner periphery side than the given curve C1 of a first region Z1 located slanted upward of an opposite lane is to be for slanted cutoff line formation, and a second region Z2 located in the vicinity of a horizontal face including the light axis Ax is to be for horizontal cutoff line formation.
摘要翻译：解决的问题：为了能够使配备有发光元件和半透明构件的车辆的照明灯配件形成具有水平和倾斜截止线的近光配光图案并且清楚地形成截止线。解决方案：来自发光元件12的光在透光构件14的前表面14a处被内部反射，然后在其后表面14b再次被内部反射以从前表面14a照射。此时，发光元件12中的发光面12A的下端缘12A1被定位在垂直于光轴Ax的水平线上。此外，在透光性部件14的背面14b中，在位于更靠外侧的内周侧区域Z1i中，在灯具正视图中，给定曲线C1的邻近区域Z1ic朝向灯轴Ax凸出比相对车道上方倾斜的第一区域Z1的给定曲线C1的内周侧为倾斜截止线形成，位于包括光轴Ax的水平面附近的第二区域Z2为用于水平截止线形成。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2014170630A Vehicular lighting fixture 审中-公开
标题翻译：车用照明灯具
公开(公告)号：JP2014170630A
公开(公告)日：2014-09-18
申请号：JP2013040549
申请日：2013-03-01
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI , KOIZUMI HIROYA , TEZUKA NOBUTAKA
IPC分类号： F21S8/10 , F21S8/12 , F21W101/10 , F21Y101/02
摘要： PROBLEM TO BE SOLVED: To provide a vehicular lighting fixture comprising a reflector constituted by a translucent member, capable of achieving uniform light emission by light guided in an inner part of the reflector even in a case where the translucent member is formed to extend along a concave surface.SOLUTION: In the vehicular lighting fixture, a light reflection region 30r to which light reflection treatment is applied is formed in a front face 30a of a reflector 30 constituted by a translucent member extending along a concave surface, and light from a light source 20 is reflected toward the front of the lighting fixture. The reflector 30 includes: a light incident part 34 on which the light from the light source 20 is made incident so as to be guided to a light guide path 32 between a rear face 30b of the reflector 30 and the light reflection region 30r; and a light emission part 36 for emitting the light guided through the light guide path 32 toward the front of the lighting fixture. In addition, a light control element 38 for internally reflecting the light guided through the light guide path 32 as diffused light is formed on the light incident part 34. Accordingly, local concentration of light at the middle of the light guide is prevented from occurring.
摘要翻译：要解决的问题：为了提供一种车辆照明器具，其包括由半透明构件构成的反射器，其能够通过在反射器的内部部分中引导的光实现均匀的发光，即使在半透明构件形成为沿着凹形表面。解决方案：在车辆照明器具中，在由凹形表面延伸的半透明构件构成的反射器30的前表面30a中形成施加有光反射处理的光反射区域30r，源20被反射到照明器具的前部。反射器30包括：来自光源20的光入射到其上的光入射部分34，以被引导到反射器30的后表面30b和光反射区域30r之间的导光路径32; 以及发光部36，其将通过导光路径32引导的光朝向照明器具的前方发射。此外，在光入射部34上形成有用于将通过导光路32引导的光内部反射的光控制元件38作为漫射光。因此，防止在导光体的中间发生局部的光的集中。

9. 发明专利

JP2014008876A Vehicular rear panel 有权
标题翻译：车身后面板
公开(公告)号：JP2014008876A
公开(公告)日：2014-01-20
申请号：JP2012147035
申请日：2012-06-29
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： YAMADA KENJI , NAKABAYASHI MASAAKI , UCHINO KOJI , MAEDA MANABU , ITO NORIAKI , YAMAMOTO NORIMASA , NAKADA ASAMI , SAKURAI YUJI , KOIZUMI HIROYA , TOKITA TSUKASA , MURAMATSU TAKAO , OTANI TOMOAKI , KOMATSU MOTOHIRO , MATSUMOTO AKIHIRO , TERAYAMA HISASHI , ISHIBASHI HIROO
IPC分类号： B60J5/10 , F21S8/10 , F21V8/00 , F21W101/14 , F21Y101/02
CPC分类号： B60Q1/0035 , B60Q1/2661 , B60Q1/268 , B60Q1/302 , F21S43/14 , F21S43/15 , F21S43/20 , F21S43/235 , F21S43/239 , F21S43/241 , F21S43/245 , F21S43/247 , F21S43/249 , G02B6/0023 , G02B6/0038
摘要： PROBLEM TO BE SOLVED: To provide a vehicular rear panel having a new configuration.SOLUTION: A vehicular rear panel 100 is made of a resin material and disposed on a rear vehicle body part 2. The vehicular rear panel includes a light guiding unit 106 configured to guide light from the light source along an extending direction of the vehicular rear panel 100, and a light emitting unit 108 configured to emit light in the light guiding unit 106 to the rear of the vehicle.
摘要翻译：要解决的问题：提供一种具有新结构的车辆后面板。解决方案：车辆后面板100由树脂材料制成并且设置在后车身部分2上。车辆后面板包括导光单元106，其被配置为以沿着车辆后面板100的延伸方向引导来自光源的光;以及发光单元108，被配置为将光引导单元106中的光发射到车辆后部。

10. 发明专利

JP2013137979A Vehicular lighting lamp 有权
标题翻译：车用照明灯
公开(公告)号：JP2013137979A
公开(公告)日：2013-07-11
申请号：JP2012040760
申请日：2012-02-27
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： OTANI TOMOAKI , UCHIDA NAOKI , KAWAI HIROKI
IPC分类号： F21S8/10 , F21S8/12 , F21V5/00 , F21V5/04 , F21V7/09 , F21W101/10 , F21Y101/02 , H01L33/60
摘要： PROBLEM TO BE SOLVED: To provide a vehicular lighting lamp capable of forming a low-beam light distribution pattern by means of its irradiation light in a thin lamp structure and forming an OHS irradiation light distribution pattern at a position separated upward from its cutoff line, in the vehicular lighting lamp formed to emit light from a light-emitting element toward front of the lamp with a translucent member fitted to the front.SOLUTION: The light from the light-emitting element 12 is to be emitted from a front face 14a of the translucent member 14 after it is internally reflected at the front face 14a of the translucent member 14 and then, internally reflected again at its rear face 14b. At that time, a lens part 14c for emitting part of the light from the light-emitting element 12 incident to the translucent member 14 to the front of the lamp as upward direct-irradiation light is formed to form the OHS irradiation light distribution pattern on the front face 14a of the translucent member 14 at the position separated upward from the cutoff line of the low-beam light distribution pattern. Consequently, irradiation on an overhead sign arranged at an upper part of a vehicle-front road surface can be facilitated.
摘要翻译：要解决的问题：为了提供一种车灯照明灯，其能够通过其在较薄的灯结构中的照射光形成远光配光图案并且在从其截止线向上分离的位置处形成OHS照射配光图案，在形成为从发光元件朝向灯前方发光的车辆用照明灯中，其前端配有半透明构件。解决方案：来自发光元件12的光将从发光元件12的正面14a 半透明部件14在透光部件14的内表面14a内反射，然后再次在其背面14b反射。此时，形成透镜部14c，用于将来自发光元件12的部分光从入射到半透明构件14到作为向上直射照射光的灯的前方发射，以形成OHS照射配光图案在距离远光配光图案的截止线分离的位置处的透光性部件14的前面14a。因此，可以方便地在车辆前行驶路面的上部布置的顶置标志上的照射。

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