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1. 发明专利

JP2013186951A Lighting fixture for vehicle 审中-公开
标题翻译：车辆灯具
公开(公告)号：JP2013186951A
公开(公告)日：2013-09-19
申请号：JP2012048818
申请日：2012-03-06
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO
IPC分类号： F21S8/10 , F21S8/12 , F21W101/10 , F21Y101/02
摘要： PROBLEM TO BE SOLVED: To provide a lighting fixture for a vehicle having an excellent luminous flux utilization ratio.SOLUTION: In a lighting fixture for a vehicle for projecting light source images forward by a multi-stage projection lens 30 arranged in front of a light source 22, the light source 22 is so structured to have front-view ring-shaped lens steps 32, 34 formed in a step shape in a radial direction having a given planar light-emitting face, and projection lens sufaces 32a, 34a for projecting the light source images forward on a front surface of the projection lens 30 with focal points on or around the light source 22, and ring-shaped step-coupling regions 33, 35 formed along stepped parts of the lens steps 32, 34, so that light reflected at rotation reflection control surfaces 27, 28 of a reflector 26 is to be incident into the projection lens 30 to pass through the coupling regions 33, 35. Light source light can be effectively utilized as distributed light and a luminous flux utilization ratio is increased, all the more as second distribution light PA2 formed by the step-coupling regions 33, 35 in front of the lighting fixture is added to first distribution light PA1 formed by projection lens surfaces 31a, 32a, 34a in front of the lighting fixture.
摘要翻译：要解决的问题：提供一种具有优良光通量利用率的车辆用照明装置。解决方案：一种用于通过布置在光前面的多级投影透镜30向前投射光源图像的车辆照明装置源22，光源22被构造为具有形成为具有给定平面发光面的径向阶梯形状的前视环状透镜台阶32,34和用于突出的投影透镜表面32a，34a 光源图像在投影透镜30的前表面上具有在光源22上或周围的焦点，以及沿透镜台阶32,34的台阶部分形成的环形阶梯耦合区域33,35，使得反射器26的旋转反射控制面27,28反射的光将入射到投影透镜30中以通过耦合区33,35。光源光可以有效地用作分布式光和发光f 勒克斯勒利用率增加，由照明器具前面的阶梯耦合区域33,35形成的第二分配光PA2更多地被添加到由投影透镜表面31a，32a，34a形成的第一分配光PA1 照明灯具。

2. 发明专利

JP2011082117A Vehicle headlight device 有权
标题翻译：车辆头灯装置
公开(公告)号：JP2011082117A
公开(公告)日：2011-04-21
申请号：JP2009235598
申请日：2009-10-09
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO
IPC分类号： F21S8/12 , F21Y101/02
CPC分类号： F21S41/335 , F21S41/147 , F21S41/155 , F21S41/334 , F21Y2103/10 , F21Y2115/10
摘要： PROBLEM TO BE SOLVED: To miniaturize a vehicle headlight device with a slanted-shape translucent cover. SOLUTION: The vehicle headlight device includes a lamp body, a translucent cover 214 with a slanted part 214a, and a lamp tool unit 10. A semiconductor light emitting device 12 is loaded on a light source loading face 14a so that an irradiation axis X is to cross a light axis O1, and a reflector 16 includes a reflecting surface 16a with one end positioned further toward a rear side of the vehicle than the semiconductor light emitting device 12, and with the other end protruded further toward a front side of the vehicle than a vehicle front side end 14b of a light source loading part 14. A protrusion 16a3 protruded further toward the vehicle front side than the vehicle side end 14b out of the reflected face 16a is formed so as to be opposed the slanted part 214a, and, the reflecting surface 16a is so structured that a first area forms a horizontal cutoff line of a low-beam light distribution pattern, a second area forms a slant cutoff line of the low-beam light distribution pattern, and a third area forms a diffusion part of the low-beam light distribution pattern. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了使具有倾斜半透明盖的车辆前照灯装置小型化。车辆前照灯装置包括灯体，具有倾斜部214a的半透明盖214和灯具单元10.半导体发光装置12装载在光源装载面14a上，使得照射轴X与光轴O1交叉，反射器16包括一个反射表面16a，其一端位于比半导体发光器件12更靠近车辆后侧的位置，另一端向前侧突出相对于光源装载部分14的车辆前侧端部14b形成。与反射面16a之间的车辆侧端部14b进一步向车辆前侧突出的突起16a3形成为与倾斜部分 214a，并且反射面16a的结构使得第一区域形成近光配光图案的水平截止线，第二区域形成近光配光图案的倾斜截止线，并且第三区域形成近光配光图案的扩散部分。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2009181845A Vehicular headlight 审中-公开
标题翻译：机动车灯
公开(公告)号：JP2009181845A
公开(公告)日：2009-08-13
申请号：JP2008020645
申请日：2008-01-31
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO , NAGANAWA SUKEHITO
IPC分类号： F21S8/12 , F21S8/10 , F21V5/00 , F21V13/00 , F21V17/00 , F21W101/10 , G02B3/00
CPC分类号： F21S41/265 , F21S41/255
摘要： PROBLEM TO BE SOLVED: To provide a vehicular headlight with a projection lens superior in machinability and free from chromatic aberration.
SOLUTION: The projection lens 14 of the vehicular headlight 10 consists of the followings molded integrally therewith: a first projection lens member 15 arranged on the upper part and formed of a material having a great refractive index; and a second projection lens member 16 arranged on the lower part and formed of a material having a smaller refractive index than the first projection lens member 15. Thus, light is injected partially to the upper side, and then emitted while being refracted downward from the light injected to the lower side.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为车辆前灯提供优异的机械加工性和无色差的投影透镜。解决方案：车用头灯10的投影透镜14由与其一体成型的以下部件组成：第一投影透镜部件15，其布置在上部并由折射率较高的材料形成; 以及布置在下部并由折射率小于第一投影透镜构件15的材料形成的第二投影透镜构件16.因此，将光部分地注入上侧，然后从光注射到下侧。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008243433A Lamp tool unit of vehicle headlight 有权
标题翻译：车灯头灯工具单元
公开(公告)号：JP2008243433A
公开(公告)日：2008-10-09
申请号：JP2007079028
申请日：2007-03-26
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： NAKADA YUSUKE , TSUKAMOTO MICHIO
IPC分类号： F21S8/12 , F21V13/00 , F21W101/10 , F21Y101/02
CPC分类号： F21S41/43 , F21S41/147 , F21S41/155 , F21S41/255 , F21S41/321 , F21S41/337 , F21S41/36 , F21S41/365 , F21Y2115/10
摘要： PROBLEM TO BE SOLVED: To see to it that a low-beam light distribution pattern with a clear cutoff line at a top end part is formed, so as not to trouble an oncoming vehicle driver with big glare, in case a projector-type lamp tool unit with a light-emitting element as a light source is adopted for a vehicle headlight.
SOLUTION: A mirror member 18 is provided for reflecting upward a part of reflected light from a reflector 16, and a cutoff line is to be formed with a front-end edge 18b of that upward reflecting face 18a. Then, an erected wall 30 extended in a vehicle width direction is formed at a position separated rearward from a front-end edge 18b on a first horizontal face 18a1 at an own lane side of the upward reflecting face 18a, as a light-shielding protruded part for shielding a part of reflected light from the reflector 16 reflected at the first horizontal face 18a1. With this, light forming a near-downward region of an on-coming lane side cutoff line in the low-beam light distribution pattern is prevented from irradiating forward.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了看到形成了在顶端部分具有清晰截止线的近光配光图案，以便不会对大型眩光的迎面而来的车辆驾驶员造成麻烦，如果投影仪用于车辆头灯的采用发光元件作为光源的灯具单元。解决方案：设置有用于向上反射来自反射器16的反射光的一部分的反射镜部件18，并且切断线将形成有该向上反射面18a的前端边缘18b。然后，在向上反射面18a的自身车道侧的第一水平面18a1上的前端缘18b的后方分开形成有沿车宽方向延伸的直立壁30，作为遮光突出部用于屏蔽来自在第一水平面18a1处反射的反射器16的反射光的一部分的部分。由此，能够防止在近光配光图案中形成下一条车道侧截止线的近下方的区域的光向前方照射。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2007287610A Lamp unit of vehicular headlight 有权
标题翻译：车灯单元
公开(公告)号：JP2007287610A
公开(公告)日：2007-11-01
申请号：JP2006116497
申请日：2006-04-20
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： NAGANAWA SUKEHITO , TSUKAMOTO MICHIO
IPC分类号： F21S8/10 , F21V14/00 , F21W101/10 , F21Y101/02
CPC分类号： F21S41/686 , F21S41/147 , F21S41/663
摘要： PROBLEM TO BE SOLVED: To make a high-beam light distribution pattern formed by a projector type lamp unit excellent in distant visibility, and to enhance distant visibility for a low-beam light distribution pattern as required as well, in a projector type lamp unit composed by arranging first and second light source units behind a projection lens. SOLUTION: This lamp unit of a vehicular headlight is structured such that an additional projection lens 42 for the second light source unit 16 is arranged around the projection lens 12, and a movable second shade 36 is provided for the second light source unit 16. By lighting the first light source unit 14, the low-beam light distribution pattern having a cutoff line is formed. A light distribution pattern having a cutoff line is additionally formed on the upper side of the above cutoff line by additional lighting of the second light source unit 16 to enhance its distant visibility. The high-beam light distribution pattern is formed by moving the second shade 36 to a shade release position. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了制造由远距离可视性优异的投影仪型灯具形成的远光配光图案，并且还可以根据需要提高远光配光图案的远距离可视性，在投影仪该灯单元通过将第一和第二光源单元布置在投影透镜后面而构成。解决方案：车辆前照灯的灯单元被构造成使得用于第二光源单元16的附加投影透镜42布置在投影透镜12周围，并且为第二光源单元设置可动第二遮光板36 通过点亮第一光源单元14，形成具有截止线的近光配光图案。通过第二光源单元16的附加照明，另外在上述截止线的上侧形成具有截止线的配光图案，以增强其远距离可见度。通过将第二遮光罩36移动到遮光释放位置而形成远光灯配光图案。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007035467A Vehicular head lamp 有权
标题翻译：车身灯头
公开(公告)号：JP2007035467A
公开(公告)日：2007-02-08
申请号：JP2005217915
申请日：2005-07-27
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO , KAWASHIMA HIROYUKI
IPC分类号： F21S8/12 , F21V13/00 , F21W101/10 , F21Y101/00
CPC分类号： F21S41/28
摘要： PROBLEM TO BE SOLVED: To provide a vehicular head lamp of projector type in which the shape and the light intensity distribution formed by the irradiation light is made adjustable while the occurrence of the light distribution unevenness is suppressed to the minimum moreover without complicating the lighting fixture.
SOLUTION: In the vicinity of and in front of the circumferential part of a projection lens 16, additional lenses 22A, 22B to deflect and control the reflected light from a reflector 14 transmitted through the projection lens 16, are arranged. Thereby, part of the light irradiated to the front through the projection lens 16 is irradiated to the front through the additional lenses 22A, 22B, and by the light deflecting action thereof, the shape and the light intensity distribution can suitably be changed. The light distribution pattern is formed using the light transmitted through the projection lens 16 so that the light distribution unevenness hardly occurs. The reflector 14, etc. remain as they are for constitutions of ordinary vehicular head lamps of projector type, and do not have a complicated lighting fixture.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种投影型车辆用头灯，其中由于照射光形成的形状和光强度分布被调节，同时光分布不均匀的发生被抑制到最小，而且不会复杂化照明灯具。解决方案：在投影透镜16的圆周部分附近和前方附近，布置了用于偏转和控制透射通过投影透镜16的反射器14的反射光的附加透镜22A，22B。因此，通过投影透镜16向前方照射的一部分光通过附加透镜22A，22B照射到前面，并且通过其光偏转动作，可以适当地改变形状和光强度分布。使用透过投影透镜16的光形成配光图案，难以发光。反射器14等保持原样用于投影机类型的普通车用头灯的结构，并且没有复杂的照明器具。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2011146246A Light distribution switching seal of headlamp for automobile 审中-公开
标题翻译：汽车头灯分配开关密封
公开(公告)号：JP2011146246A
公开(公告)日：2011-07-28
申请号：JP2010006022
申请日：2010-01-14
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO , NAGANAWA SUKEHITO
IPC分类号： F21S8/12
摘要： PROBLEM TO BE SOLVED: To provide a light distribution switching seal capable of switching from a left side (right side) light distribution to a right side (left side) light distribution only by attaching the seal on a front surface cover of a headlamp.
SOLUTION: The light distribution switching seal is provided with an optical function for shielding part of transmitted light or refracting transmitted light, and is structured of a thin and flexible seal body 2 with an adhesive layer 6 fitted on a rear surface. The seal is adhered on a surface of a front surface cover 11 facing to a projection type light source unit 30 for left (right) side light distribution formation of a lamp chamber S, emission light from a peripheral edge part of a projection lens 36 is shielded or emission light from the projection lens 36 is refracted diagonally downward in a right and left direction, so that luminous intensity of a whole part of a light distribution pattern Ps is lowered, or a whole part of the light distribution pattern Ps is slid diagonally downward to switch to a light distribution which satisfies least indispensable conditions (restraint of glare light, and securement of center luminosity) as the right (left) side light distribution.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够从左侧（右侧）配光向右侧（左侧）配光的配光切换用密封件，只要将密封件安装在头灯。解决方案：配光切换密封件设置有用于屏蔽透射光的一部分或折射透射光的光学功能，并且由具有安装在后表面上的粘合剂层6的薄而柔性的密封体2构成。密封件附着在面向投影型光源单元30的前表面盖11的表面上，用于左侧（右侧）灯室S的分配形成，来自投影透镜36的周边边缘部分的发射光为来自投影透镜36的屏蔽或发射光在左右方向上向对角折射，使得配光图案Ps的整个部分的发光强度降低，或者整个配光图案Ps的对角线滑动向下切换为满足最不可缺少条件（约束眩光和中心亮度的确定）的光分布，作为右（左）侧光分布。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2011065808A Lamp tool unit of headlight for vehicle 有权
标题翻译：汽车头灯工具单元
公开(公告)号：JP2011065808A
公开(公告)日：2011-03-31
申请号：JP2009214312
申请日：2009-09-16
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO
IPC分类号： F21S8/12 , F21W101/10 , F21Y101/02 , H01L33/00
CPC分类号： F21S41/43 , F21S41/147 , F21S41/255 , F21S41/321 , F21S41/36 , F21S41/365
摘要： PROBLEM TO BE SOLVED: To provide a lamp tool unit for a headlight for a vehicle free from such defects as fall of distant visibility in case a high-luminance light-emitting element is used as a light source.
SOLUTION: For the lamp tool unit for low beams provided with a projection lens 12 fitted on a light axis L, a high-luminance light-emitting element 14 arranged upward at the rear of a rear focus F of the lens 12, a reflector 16 arranged so as to cover the light-emitting element 14 for reflecting light of the light-emitting element 14 toward the lens 12, and a first shade 20 arranged in opposition to the reflector 16 for forming a cutoff line, the first shade 20 is made provided with a sub reflector 24 formed in extending its light-shielding end face 23 rearward in a light axis direction to increase luminous intensity of a light distribution pattern as a whole. However, a second shade 30 fitted to a reflector front edge part 16a shields part of light headed from the reflector 16 or the sub reflector 24 toward the lens 12, so that luminous intensity at a lower part of the light distribution pattern P is not extremely increased to be of appropriate brightness, and front visibility in the range of a short distance to a long distance is improved.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于车辆的前照灯的灯具单元，其没有在使用高亮度发光元件作为光源的情况下的远距离可见度的下降的缺陷。
解决方案：对于设置有安装在光轴L上的投影透镜12的低光束的灯具单元，在透镜12的后焦点F的后方向上配置的高亮度发光元件14，布置成覆盖用于将发光元件14的光反射到透镜12的发光元件14的反射器16和与形成切断线的反射器16相对配置的第一遮光罩20，第一遮光板 20具有在光轴方向后方延伸遮光端面23而形成的副反射体24，从而整体上增加配光图案的发光强度。然而，安装到反射器前边缘部分16a的第二遮光罩30将从反射器16或副反射器24朝向透镜12的一部分光屏蔽，使得配光图案P的下部的发光强度不是极高的增加到适当的亮度，并且在短距离到远距离的范围内的前视准能得到改善。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2009211980A Daytime running lamp, and vehicular headlamp 审中-公开
标题翻译： DAYTIME运行灯和车门头灯
公开(公告)号：JP2009211980A
公开(公告)日：2009-09-17
申请号：JP2008054567
申请日：2008-03-05
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： TSUKAMOTO MICHIO
IPC分类号： F21S8/12 , F21S8/10 , F21V5/00 , F21V13/00 , F21V17/00 , F21W101/10 , F21Y101/02
摘要： PROBLEM TO BE SOLVED: To provide a daytime running lamp inexpensively mountable on a vehicle without needing a daytime running lamp-dedicated on-vehicle space.
SOLUTION: This daytime running lamp 50 is formed as a lamp unit incorporated in a reflector unit 20 for a headlamp, and the need of an exclusive on-vehicle space is obviated. The daytime running lamp 50 includes: a light emitting element 52 arranged on an optical axis Ax2 extending to penetrate a reflector 24 of the reflector unit 20 in the front-rear direction by being directed frontward on the front side of the reflector 24; a main lens 54 arranged on the optical axis Ax2 on the front side thereof; and a sub-lens 56 formed into a ring-like shape to extend rearward from its rear surface edge part, and deflecting and emitting the light from the light emitting element 52 to be entered in a reflecting surface 24a of the reflector 24; and thereby a large light emission area is secured.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供廉价地安装在车辆上的日间行车灯，而不需要日间行车灯专用的车上空间。
解决方案：白天行车灯50形成为并入用于前照灯的反射器单元20中的灯单元，并且消除了专用车载空间的需要。日间行车灯50包括：布置在光轴线Ax2上的发光元件52，其通过在反射器24的前侧向前指向而延伸以穿过反射器单元20的反射器24在前后方向上; 配置在其前侧的光轴Ax2上的主透镜54; 以及形成为从其后表面边缘部向后方延伸的环状的副透镜56，并且使来自发光元件52的光偏转并发射到反射器24的反射面24a内; 从而确保了大的发光区域。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009184410A Vehicular lighting fixture 审中-公开
标题翻译：车用照明灯具
公开(公告)号：JP2009184410A
公开(公告)日：2009-08-20
申请号：JP2008023791
申请日：2008-02-04
申请人： Koito Mfg Co Ltd , 株式会社小糸製作所
发明人： SAZUKA KIYOSHI , TSUKAMOTO MICHIO , WATANABE SHIGEYUKI
IPC分类号： B60Q1/24 , B60R1/00 , F21S8/10 , F21S8/12 , F21V7/00 , F21V7/09 , F21W101/10 , F21Y101/02 , H01L33/00 , H01L33/58 , H01L33/60
CPC分类号： B60Q1/14 , F21S41/13 , F21S41/147 , F21S41/155 , F21S41/18 , F21S41/25 , F21S41/43
摘要： PROBLEM TO BE SOLVED: To provide a vehicular lighting fixture for performing the infrared ray irradiation forward of a vehicle which is capable of easily forming the desired visible light distribution pattern by the visible light irradiation separately performed from the infrared ray irradiation while preventing its front lens from being seen reddish during the infrared ray irradiation. SOLUTION: In the projector type lighting fixture, a first light source unit 14 for infrared ray irradiation and a second light source unit 16 for visible light irradiation are arranged behind a light projection lens 12 arranged on the optical axis Ax extending in the longitudinal direction of the lighting fixture. When the first light source unit 14 is lit, the second light source unit 16 is simultaneously lit, preventing the light projection lens 12 from being seen reddish in advance when the vehicular lighting fixture 10 is observed from the front side. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种车辆照明器具，用于进行车辆前方的红外线照射，能够通过从红外线照射分别进行的可见光照射容易地形成期望的可见光分布图案，同时防止其前透镜在红外线照射期间看起来很红。解决方案：在投影仪型照明器具中，用于红外线照射的第一光源单元14和用于可见光照射的第二光源单元16布置在布置在沿着灯具的纵向。当第一光源单元14点亮时，第二光源单元16同时点亮，当从前侧观察车辆照明器具10时，预先防止光投影透镜12看到红色。版权所有（C）2009，JPO＆INPIT

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