JP2698434B2 - Projector lighting system - Google Patents
Projector lighting systemInfo
- Publication number
- JP2698434B2 JP2698434B2 JP1173823A JP17382389A JP2698434B2 JP 2698434 B2 JP2698434 B2 JP 2698434B2 JP 1173823 A JP1173823 A JP 1173823A JP 17382389 A JP17382389 A JP 17382389A JP 2698434 B2 JP2698434 B2 JP 2698434B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflector
- projector
- projecting lens
- lighting device
- 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.)
- Expired - Fee Related
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はプロジェクタ式照明装置、時に、配光パター
ンを調節可能としたプロジェクタ式照明装置に関する。Description: TECHNICAL FIELD The present invention relates to a projector-type lighting device, and sometimes to a projector-type lighting device capable of adjusting a light distribution pattern.
（従来の技術） プロジェクタ式照明装置は、明暗が明確な配光パター
ンが得られる等の種々の利点があり、近年、車両の前照
灯に多用されている。そして車両の前照灯は、走行ビー
ムとすれ違いビームとのビーム切換えが不可欠であり、
前照灯として用いられたプロジェクタ式照明装置には、
ビーム切換え等の配光パターンの変更のための機構が組
み付けられる。(Prior Art) A projector-type lighting device has various advantages such as obtaining a light distribution pattern with clear light and darkness, and has recently been frequently used for a headlight of a vehicle. And for the headlight of the vehicle, beam switching between the traveling beam and the passing beam is indispensable,
Projector lighting devices used as headlights include:
A mechanism for changing a light distribution pattern such as beam switching is assembled.
この種の配光パターンが可変なプロジェクタ式照明装
置としては、従来、実開昭63−111704号公報等に記載さ
れたものが知られている。As this type of projector-type lighting device in which the light distribution pattern is variable, a device described in Japanese Utility Model Laid-Open No. 63-111704 has been known.
実開昭63−111704号公報に記載されたプロジェクタ式
照明装置は、上半部回転楕円面状の反射面を有して下半
部に中心が回転楕円面状の反射面の第１焦点と一致する
半球反射面を有する反射鏡と、この反射鏡の第１焦点に
略一致させて配設された光源と、回転楕円反射面の近傍
に光軸と略平行に配置された平面鏡と、該平面鏡を光軸
に対して傾動させる駆動機構を有し、駆動機構で平面鏡
を変位させて配光パターンを変えるものである。The projector type illuminating device described in Japanese Utility Model Laid-Open Publication No. 63-111704 has an upper half spheroidal reflecting surface, and the lower half has a first focal point of a spheroidal reflecting surface. A reflecting mirror having a matching hemispherical reflecting surface, a light source disposed substantially coincident with the first focal point of the reflecting mirror, and a plane mirror disposed substantially parallel to the optical axis near the spheroidal reflecting surface; It has a drive mechanism for tilting the plane mirror with respect to the optical axis, and changes the light distribution pattern by displacing the plane mirror with the drive mechanism.
（発明が解決しようとする課題） しかしながら、上述した従来のプロジェクタ式照明装
置にあっては、反射鏡に半球反射面と回転楕円反射面と
を形成しなければならず、反射鏡の形状が複雑化して製
造コストの増大を招くという問題があった。(Problems to be Solved by the Invention) However, in the above-described conventional projector-type lighting device, a hemispherical reflecting surface and a spheroidal reflecting surface must be formed on the reflecting mirror, and the shape of the reflecting mirror is complicated. This causes a problem that the production cost increases.
本発明は、上記事情に鑑みてなされたもので、配光パ
ターンを変化させることができるプロジェクタ式照明装
置を安価に提供することを目的とする。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a projector-type lighting device capable of changing a light distribution pattern at low cost.
（課題を解決するための手段） 以上の課題を解決するための手段は、請求項１におい
ては、回転楕円状の反射面を有する反射板と、該反射板
の反射面内にその第１焦点に略一致して配置された光源
と、前記反射板に対し所定位置に配設された投光レンズ
と、該投光レンズと前記反射板との間に介在して配光パ
ターンを中間介在物とを備え、中間介在物を、前記反射
面から前記投光レンズに入射する光束中へ出入り可能に
設けられた高屈折率を有する透光部材で構成したことを
特徴とする。(Means for Solving the Problems) In order to solve the above problems, according to claim 1, a reflector having a spheroidal reflecting surface and a first focal point in a reflecting surface of the reflector are provided. A light source disposed substantially coincident with the light source, a light projecting lens disposed at a predetermined position with respect to the reflector, and a light distribution pattern interposed between the light projecting lens and the reflector to form an intermediate inclusion. Wherein the intermediate inclusion is constituted by a light-transmitting member having a high refractive index and provided so as to be able to enter and exit a light beam entering the light projecting lens from the reflection surface.
又請求項２は、請求項１において、透光部材の一部に
遮光性のシェード部を有するようにした。According to a second aspect, in the first aspect, a light-shielding shade portion is provided in a part of the light transmitting member.
請求項３においては、回転楕円状の反射面を有する反
射板と、該反射板の反射面内にその第１焦点に略一致し
て配置された光源と、前記反射板に対し所定位置に配設
された投光レンズと、該投光レンズと前記反射板との間
に介在して配光パターンを中間介在物とを備え、中間介
在物を、前記反射面で反射された光束中に出入り可能に
設けられて該光束中で少なくとも一部を反射する第１の
鏡部材と、該第１の鏡部材で反射される光束を前記投光
レンズに向けて反射する第２の鏡部材とを備えるように
したことを特徴とする。According to a third aspect of the present invention, a reflector having a spheroidal reflecting surface, a light source disposed substantially coincident with a first focal point in the reflecting surface of the reflector, and a light source disposed at a predetermined position with respect to the reflecting plate. A light distribution lens disposed between the light projection lens and the reflection plate, and a light distribution pattern provided between the light transmission lens and the reflection plate. A first mirror member that is provided and reflects at least a part of the light beam, and a second mirror member that reflects the light beam reflected by the first mirror member toward the light projecting lens. It is characterized by being provided.
又請求項４は、請求項３において、第１の鏡部材を反
射面第２焦点に略一致させて回動自在に設けたことを特
徴とする。A fourth aspect of the present invention is characterized in that, in the third aspect, the first mirror member is rotatably provided substantially coincident with the second focal point of the reflection surface.
（作用） 上記手段によれば、投光レンズと反射板との間に、中
間介在物として反射面から投光レンズに入射する光束中
へ、出入り可能に高屈折率を有する透光部材を設けたの
で、投光部材の屈折率を変えることで配光パターンを変
化させることができ、配光パターンの自由度が大きい。(Operation) According to the above means, a light transmitting member having a high refractive index is provided between the light projecting lens and the reflecting plate so as to be able to enter and exit the light beam entering the light projecting lens from the reflecting surface as an intermediate substance. Therefore, the light distribution pattern can be changed by changing the refractive index of the light projecting member, and the degree of freedom of the light distribution pattern is large.
又投光レンズと反射板との間に、中間介在物として、
反射面で反射された光束中に出入り可能に、該光束中で
少なくとも一部を反射する第１の鏡部材を設け、又第１
の鏡部材で反射される光束を、投光レンズに向けて反射
する第２の鏡部材を設けるようにしたので、第１、第２
の鏡部材間の反射により、投光レンズへの光束の入射角
及び光路長を変化させて走行ビームに対してすれ違いビ
ームを得ることができる。Also, as an intermediate inclusion between the light projecting lens and the reflector,
A first mirror member that reflects at least a part of the light beam so as to be able to enter and exit the light beam reflected by the reflection surface;
Since the second mirror member that reflects the light beam reflected by the mirror member toward the light projecting lens is provided, the first and second mirror members are provided.
By changing the angle of incidence and the optical path length of the light beam to the light projecting lens by the reflection between the mirror members, a passing beam with respect to the traveling beam can be obtained.
（実施例） 以下、発明の実施例を図面を参照して説明する。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図（ａ）、及び第１図（ｂ）は本発明の第１実施
例にかかるプロジェクタ式照明装置を示す模式図であ
る。なお、この実施例、及び後述する実施例は、車両の
前照灯に適用して走行ビームとすれ違いビームとのビー
ムの切換えを行なうものを例示する。FIGS. 1A and 1B are schematic views showing a projector-type lighting device according to a first embodiment of the present invention. Note that this embodiment and an embodiment described below illustrate an example in which the present invention is applied to a headlight of a vehicle and switches a beam between a traveling beam and a passing beam.
図中11は回転楕円反射面11aを有する反射板、12は反
射面11aの第１焦点F1に配置されたバルブのフィラメン
ト等の光源、13は反射面11aに対向して光軸が反射面11a
の光軸と一致する投光レンズである。In the figure, 11 is a reflector having a spheroidal reflection surface 11a, 12 is a light source such as a filament of a bulb arranged at a first focal point F1 of the reflection surface 11a, 13 is a reflection surface 11a facing the reflection surface 11a and having an optical axis.
Is a light projecting lens that coincides with the optical axis.
以上において、反射板11の反射面11a側の面と投光レ
ンズ13との間の第２焦点F2と略一致させて中間介在物を
介設する。In the above, the intermediate inclusion is provided so as to substantially coincide with the second focal point F2 between the surface on the reflection surface 11a side of the reflection plate 11 and the light projecting lens 13.
中間介在物を本実施例においては高屈折率材料からな
る透光部材を用いる。即ち、反射板11と投光レンズ13と
の間に高屈折率材料からなるレンズ体16を介設し、レン
ズ体16をビーム切換えスイッチの操作、あるいは車速等
に応じ駆動機構で図中上下方向に移動させ、投光レンズ
13に入射する光を屈折させて配光パターンを変える。In this embodiment, a light transmitting member made of a high refractive index material is used as an intermediate. That is, a lens body 16 made of a high refractive index material is interposed between the reflection plate 11 and the light projecting lens 13, and the lens body 16 is moved up and down in the figure by a driving mechanism according to the operation of a beam switch or the vehicle speed. Move to the floodlight lens
Light incident on 13 is refracted to change the light distribution pattern.
レンズ体16には、投光レンズ13側の図中上半部に遮光
性のシールド部16aが貼設されている。図中明示しない
が、駆動機構はステップモータとギヤ機構とを組み合わ
せて構成され、ビーム切換えスイッチ、車速センサー、
及び車高センサー等と接続されている。駆動機構は、上
記スイッチ、あるいは各センサーの出力信号に応じレン
ズ体16を上下に駆動する。The lens body 16 is provided with a light-shielding shield portion 16a in the upper half in the drawing on the light projecting lens 13 side. Although not explicitly shown in the figure, the drive mechanism is configured by combining a step motor and a gear mechanism, and includes a beam switch, a vehicle speed sensor,
And a vehicle height sensor. The driving mechanism drives the lens body 16 up and down according to the output signal of the switch or each sensor.
本実施例では、第１図（ａ）に示すように、レンズ体
16を光軸の下方に位置させて走行ビームを得るが、第１
図（ｂ）に示すようにレンズ体16を光束中に介在させて
投光レンズ13に入射する光を屈折させ、また、一部をシ
ールド部16aで遮ってすれ違いビームを得る。In the present embodiment, as shown in FIG.
16 is located below the optical axis to obtain the traveling beam.
As shown in FIG. 2B, the light entering the light projecting lens 13 is refracted by interposing the lens body 16 in the light beam, and a part of the light is blocked by the shield part 16a to obtain a low beam.
特に、レンズ体16の屈折率を変えることで配光パター
ンを変化させることができ、配光パターンの自由度が大
きい。なお、レンズ体16を有色にしてフグランプとして
機能させることも可能であり、又レンズ体16に光学的パ
ターンを形成することで、特殊な配光パターンを得るこ
とも可能である。In particular, the light distribution pattern can be changed by changing the refractive index of the lens body 16, and the degree of freedom of the light distribution pattern is large. The lens body 16 can be colored to function as a blow lamp, and a special light distribution pattern can be obtained by forming an optical pattern on the lens body 16.
第２図（ａ）、及び第２図（ｂ）は本発明の第２実施
例にかかるプロジェクタ式照明装置を示す。なお、本実
施例において、前記した実施例と同一部分には同一符号
を付し、説明を省略する。2 (a) and 2 (b) show a projector-type lighting device according to a second embodiment of the present invention. In this embodiment, the same parts as those in the above-described embodiment are denoted by the same reference numerals, and the description will be omitted.
本実施例は、反射板11と投光レンズ13との間に、第２
焦点F2位置で第１の鏡部材17を、該第１の鏡部材17より
反射板11側の光軸より図中情報に光束が通過する領域外
で第２の鏡部材18を配置し、第１の鏡部材17をその図中
右端を中心として回動させる駆動機構（図示せず）を設
けたものである。In the present embodiment, the second
The first mirror member 17 is disposed at the focal point F2, and the second mirror member 18 is disposed outside the region where the light flux passes through the optical axis on the side of the reflector 11 from the first mirror member 17 to the information in the drawing. A drive mechanism (not shown) for rotating the first mirror member 17 around the right end in the figure is provided.
本実施例では、第１の鏡部材17をビーム切換えスイッ
チの操作、あるいは車速に応じて回動させ、第２図
（ａ）に示す位置で走行ビームを、又第２図（ｂ）に示
す位置ですれ違いビームを得る。即ち、第２図（ａ）に
示す状態では反射面11aで反射した光束が全て投光レン
ズ13に入射して走行ビームが得られる。又第２図（ｂ）
に示す状態では、光束は鏡部材17,18間で反射して第２
の鏡部材18から投光レンズ13に入射し、投光レンズ13へ
の光束の入射角、及び光路長が変化してすれ違いビーム
が得られる。In this embodiment, the first mirror member 17 is rotated according to the operation of the beam changeover switch or the vehicle speed, and the traveling beam is shown at the position shown in FIG. 2 (a) and shown in FIG. 2 (b). You get a passing beam in position. That is, in the state shown in FIG. 2 (a), all the light beams reflected by the reflecting surface 11a are incident on the light projecting lens 13 and a traveling beam is obtained. FIG. 2 (b)
In the state shown in (1), the light beam is reflected between the mirror members 17 and 18 and
From the mirror member 18 to the light projecting lens 13, the incident angle of the light beam to the light projecting lens 13 and the optical path length are changed, and a passing beam is obtained.
なお、本実施例では、第１の鏡部材17の鏡面等に光学
パターンを形成することも可能である。In the present embodiment, it is also possible to form an optical pattern on the mirror surface or the like of the first mirror member 17.
（発明の効果） 以上説明したように本発明によれば、 請求項１においては、回転楕円状の反射面を有する反
射板と、該反射板の反射面内にその第１焦点に略一致し
て配置された光源と、前記反射板に対し所定位置に配設
された投光レンズと、該投光レンズと前記反射板との間
に介在して配光パターンを中間介在物とを備え、中間介
在物を、前記反射面から前記投光レンズに入射する光束
中へ出入り可能に設けられた高屈折率を有する透光部材
で構成したので、投光部材の屈折率を変えることで配光
パターンを変化させることができ、配光パターンの自由
度が大きい。(Effect of the Invention) As described above, according to the present invention, in claim 1, a reflector having a spheroidal reflecting surface and a first focal point substantially coincident with the first focal point in the reflecting surface of the reflector are provided. A light source disposed at a predetermined position with respect to the reflection plate, and a light distribution pattern interposed between the light projection lens and the reflection plate, and an intermediate inclusion. Since the intermediate inclusion is constituted by a light-transmitting member having a high refractive index provided so as to be able to enter and exit the light beam entering the light-projecting lens from the reflection surface, the light distribution is changed by changing the refractive index of the light-projecting member. The pattern can be changed, and the degree of freedom of the light distribution pattern is large.
又請求項３においては、回転楕円状の反射面を有する
反射板と、該反射板の反射面内にその第１焦点に略一致
して配置された光源と、前記反射板に対し所定位置に配
設された投光レンズと、該投光レンズと前記反射板との
間に介在して配光パターンを中間介在物とを備え、中間
介在物を、前記反射面で反射された光束中に出入り可能
に設けられて該光束中で少なくとも一部を反射する第１
の鏡部材と、該第１の鏡部材で反射される光束を前記投
光レンズに向けて反射する第２の鏡部材とを備えるよう
にしたので、第１、第２の鏡部材間の反射により、投光
レンズへの光束の入射角及び光路長を変化させて走行ビ
ームに対してすれ違いビームを得ることができる。According to a third aspect of the present invention, a reflector having a spheroidal reflecting surface, a light source disposed substantially coincident with the first focal point in the reflecting surface of the reflector, and a reflector positioned at a predetermined position with respect to the reflector. The light-projecting lens provided includes a light-distribution pattern interposed between the light-projecting lens and the reflection plate and an intermediate inclusion, and the intermediate inclusion is included in the light flux reflected by the reflection surface. A first member which is provided so as to be able to enter and exit and reflects at least a part of the light beam;
And a second mirror member for reflecting the light beam reflected by the first mirror member toward the light projecting lens, so that the reflection between the first and second mirror members is provided. Thus, the passing beam can be obtained with respect to the traveling beam by changing the incident angle and the optical path length of the light beam to the light projecting lens.
図面の簡単な説明 第１図（ａ）、及び（ｂ）は、本発明の第１実施例にか
かるプロジェクタ式照明装置を示す模式図であり、第１
図（ａ）は走行ビーム状態を示す図、第１図（ｂ）はす
れ違いビームの状態を示す図、第２図（ａ）、及び
（ｂ）は本発明の本発明の第２実施例にかかるプロジェ
クタ式照明装置を示す模式図であり、第２図（ａ）は走
行ビーム状態を示す図、第２図（ｂ）はすれ違いビーム
の状態を示す図である。 尚図面中11は反射板、11は回転楕円反射面、12は光源、
13は投光レンズ、16は高屈折率透光部材、17、及び18は
鏡部材である。BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 (a) and 1 (b) are schematic views showing a projector-type lighting device according to a first embodiment of the present invention.
FIG. 1 (a) shows a state of a traveling beam, FIG. 1 (b) shows a state of a passing beam, and FIGS. 2 (a) and (b) show a second embodiment of the present invention. FIGS. 2A and 2B are schematic diagrams showing such a projector-type lighting device, in which FIG. 2A shows a traveling beam state, and FIG. 2B shows a passing beam state. In the drawing, 11 is a reflecting plate, 11 is a spheroidal reflecting surface, 12 is a light source,
13 is a light projecting lens, 16 is a high refractive index translucent member, and 17 and 18 are mirror members.
フロントページの続き (72)発明者 木村 顕一郎 埼玉県和光市中央１丁目４番１号 株式 会社本田技術研究所内 (56)参考文献 特開 昭63−150802（ＪＰ，Ａ) 実開 昭62−144004（ＪＰ，Ｕ)Continuing from the front page (72) Inventor Kenichiro Kimura 1-4-1 Chuo, Wako-shi, Saitama Pref. Honda Technical Research Institute Co., Ltd. (56) References JP-A-63-150802 (JP, A) Jpn. (JP, U)
Claims (4)
反射板の反射面内にその第１焦点に略一致して配置され
た光源と、前記反射板に対し所定位置に配設された投光
レンズと、該投光レンズと前記反射板との間に介在して
配光パターンを中間介在物とを備え、 前記中間介在物を、前記反射面から前記投光レンズに入
射する光束中へ出入り可能に設けられた高屈折率を有す
る透光部材からなる、 ことを特徴とするプロジェクタ式照明装置。1. A reflector having a spheroidal reflecting surface, a light source disposed substantially coincident with a first focal point in the reflecting surface of the reflector, and a light source disposed at a predetermined position with respect to the reflector. And a light distribution pattern interposed between the light projecting lens and the reflector, and the intermediate material is incident on the light projecting lens from the reflection surface. A projector-type lighting device, comprising: a light-transmitting member having a high refractive index provided so as to be able to enter and exit a light beam.
部を有することを特徴とする請求項１記載のプロジェク
タ式照明装置。2. The projector-type lighting device according to claim 1, wherein said light-transmitting member has a light-shielding shade portion in a part thereof.
反射板の反射面内にその第１焦点に略一致して配置され
た光源と、前記反射板に対し所定位置に配設された投光
レンズと、該投光レンズと前記反射板との間に介在して
配光パターンを中間介在物とを備え、 前記中間介在物は、前記反射面で反射された光束中に出
入り可能に設けられて該光束中で少なくとも一部を反射
する第１の鏡部材と、該第１の鏡部材で反射される光束
を前記投光レンズに向けて反射する第２の鏡部材とを備
える、 ことを特徴とするプロジェクタ式照明装置。3. A reflecting plate having a spheroidal reflecting surface, a light source disposed in the reflecting surface of the reflecting plate so as to substantially coincide with its first focal point, and disposed at a predetermined position with respect to the reflecting plate. And a light distribution pattern interposed between the light projection lens and the reflection plate, and an intermediate inclusion, wherein the intermediate inclusion enters and exits the light flux reflected by the reflection surface. A first mirror member that is provided and reflects at least a part of the light beam, and a second mirror member that reflects the light beam reflected by the first mirror member toward the light projecting lens. A projector-type lighting device, comprising:
に略一致させて回動自在に設けたことを特徴とする請求
項３記載のプロジェクタ式照明装置。4. The projector-type lighting device according to claim 3, wherein said first mirror member is rotatably provided substantially coincident with said second focal point of said reflection surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1173823A JP2698434B2 (en) | 1989-07-05 | 1989-07-05 | Projector lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1173823A JP2698434B2 (en) | 1989-07-05 | 1989-07-05 | Projector lighting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0340303A JPH0340303A (en) | 1991-02-21 |
| JP2698434B2 true JP2698434B2 (en) | 1998-01-19 |
Family
ID=15967814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1173823A Expired - Fee Related JP2698434B2 (en) | 1989-07-05 | 1989-07-05 | Projector lighting system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2698434B2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3692546B2 (en) * | 1994-03-07 | 2005-09-07 | 株式会社デンソー | Vehicle headlamp device |
| JP3553471B2 (en) * | 2000-02-25 | 2004-08-11 | スタンレー電気株式会社 | Vehicle headlights |
| DE102005020085A1 (en) | 2005-04-29 | 2006-11-09 | Osram Opto Semiconductors Gmbh | Motor vehicle headlight |
| JP4676506B2 (en) * | 2008-02-19 | 2011-04-27 | パナソニック株式会社 | Vehicle headlamp |
| JP5029570B2 (en) * | 2008-10-30 | 2012-09-19 | 市光工業株式会社 | Vehicle headlamp |
| JP5141580B2 (en) * | 2009-01-30 | 2013-02-13 | 市光工業株式会社 | Vehicle headlamp |
| JP6175892B2 (en) * | 2013-05-17 | 2017-08-09 | 市光工業株式会社 | Vehicle headlamp |
| CN109863345B (en) | 2016-10-07 | 2022-05-31 | 株式会社小糸制作所 | Vehicle lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62144004U (en) * | 1986-03-05 | 1987-09-11 | ||
| JPS63150802A (en) * | 1986-12-09 | 1988-06-23 | ヴァレオ ヴイジョン | Light shield type head lamp |
-
1989
- 1989-07-05 JP JP1173823A patent/JP2698434B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0340303A (en) | 1991-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5436807A (en) | Variable-light-beam-pattern four-lamp type headlamp system | |
| US7008094B2 (en) | Vehicle light with movable reflector portion and shutter portion for selectively switching an illuminated area of light incident on a predetermined portion of the vehicle light during driving | |
| US5412543A (en) | Variable light distribution type headlamp | |
| JP5629457B2 (en) | Headlight lighting device | |
| JPS6215701A (en) | Projector for passing beam or fog lamp of automobile | |
| JP2698434B2 (en) | Projector lighting system | |
| JPH07192504A (en) | Projector-type headlight controllable to widen or narrow illuminating range | |
| JP2670369B2 (en) | Projector lighting system for vehicles | |
| CN113294741A (en) | Car light optical structure, car light module and vehicle | |
| JPH0770245B2 (en) | Rotation warning light | |
| JPH0361961B2 (en) | ||
| CN209839953U (en) | Lighting device with multiple operating condition | |
| JP2698433B2 (en) | Projector lighting system | |
| JPH02119001A (en) | Head lamp for vehicle | |
| JPH0741814U (en) | Lens for variable light distribution lighting device | |
| JP2670357B2 (en) | Projector lighting system | |
| CN110094685B (en) | Lighting device with multiple working states | |
| JPH0762963B2 (en) | Vehicle headlights | |
| JPH0720801Y2 (en) | Variable diffusion angle lamp device | |
| CN114466992B (en) | Lamp unit | |
| WO2023171477A1 (en) | Vehicle light | |
| EP1054210B1 (en) | Motor vehicle headlamp of the projection type | |
| RU2130151C1 (en) | Vehicle headlight | |
| JPH01159904A (en) | Projector type head light | |
| JP2534929B2 (en) | Beam switching device for vehicle headlights |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |