JPH0353401A - Headlight for vehicle - Google Patents
Headlight for vehicleInfo
- Publication number
- JPH0353401A JPH0353401A JP1184447A JP18444789A JPH0353401A JP H0353401 A JPH0353401 A JP H0353401A JP 1184447 A JP1184447 A JP 1184447A JP 18444789 A JP18444789 A JP 18444789A JP H0353401 A JPH0353401 A JP H0353401A
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- irradiation
- bluish
- color
- 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.)
- Granted
Links
- 229910052736 halogen Inorganic materials 0.000 abstract description 14
- 150000002367 halogens Chemical class 0.000 abstract description 14
- 229910001507 metal halide Inorganic materials 0.000 abstract description 13
- 150000005309 metal halides Chemical class 0.000 abstract description 13
- 238000009826 distribution Methods 0.000 abstract description 12
- 230000001678 irradiating effect Effects 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
- F21S41/12—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of emitted light
- F21S41/125—Coloured light
Abstract
Description
【発明の詳細な説明】
本発明車輌用前照灯の詳細を以下の項目に従って説明す
る。DETAILED DESCRIPTION OF THE INVENTION The details of the vehicle headlamp of the present invention will be explained in accordance with the following items.
Ａ．産業上の利用分野
Ｂ．発明の概要
Ｃ．背景技術
Ｄ．発明が解決しようとする課題
Ｅ．課題を解決するための手段
Ｆ．実施例
Ｆ−１，第１の実施例［第１図乃至第４図］ａ．外観［
第１図コ
ｂ．前照灯ユニッｌ− ［第２図、第３図］
Ｃ．作用［第４図］
Ｆ−２．第２の実施例［第５図乃至第７図１Ｇ．発明の
効果
（Ａ．産業上の利用分野）
本発明は新規な車輌用前照灯に関する。詳しくは、光源
として白熱電球と放電灯とを有する車輌用前照灯におい
て、これら光源の色温度の差が照射ビームの光色の違い
として現われないように、白熱電球による光を車輌前方
に反射する反射鏡の反射面が青味がかるように表面処理
を行なったり、あるいは白熱電球の前に青色光透過フィ
ルターを配置した新規な車輌用前照灯を提供しようとす
るものである。A. Industrial application field B. Summary of the invention C. Background technology D. Problem to be solved by the inventionE. Means for solving problems F. Example F-1, first example [Figures 1 to 4] a. exterior[
Figure 1 b. Headlight unit l- [Figures 2 and 3] C. Effect [Figure 4] F-2. Second embodiment [Figs. 5 to 7 1G. Effects of the Invention (A. Industrial Application Field) The present invention relates to a novel vehicle headlamp. Specifically, in vehicle headlights that have an incandescent bulb and a discharge lamp as light sources, the light from the incandescent bulb is reflected in the front of the vehicle so that the difference in color temperature of these light sources does not appear as a difference in the light color of the irradiation beam. The present invention aims to provide a novel vehicle headlamp in which the surface of the reflecting mirror is treated to give it a bluish tint, or a blue light transmitting filter is placed in front of the incandescent light bulb.
（Ｂ．発明の概要）
本発明車輌用前照灯は、走行ビームを照射する第１の照
射部と、すれ違いビームを照射する第２の照射部とを備
え、これら照射部の光源として白熱電球と放電灯が用い
られた車輌用前照灯であって、白熱電球を光源とする照
射部の一部を為す反射鏡の反射面が表面処理によって青
味を帯びるようにしたり、あるいは青色光透過フィルタ
ーを白熱電球の前方に配置することによって、光源の色
温度の違いに基づく照射光の光色の差が目立たないよう
にしたものである。(B. Summary of the Invention) The vehicle headlamp of the present invention includes a first irradiation section that irradiates a running beam and a second irradiation section that irradiates a low beam, and uses an incandescent lamp as a light source for these irradiation sections. This is a vehicle headlamp that uses an incandescent light bulb as a light source, and the reflective surface of the reflector, which forms part of the irradiation part that uses an incandescent light bulb as a light source, has a surface treatment that gives it a bluish tinge, or a surface that transmits blue light. By placing the filter in front of the incandescent light bulb, differences in the color of the emitted light due to differences in the color temperature of the light sources are made less noticeable.
（Ｃ．背景技術）
近時、ハロゲンランプ等のフィラメント式の光源に比し
て低消費電力、高効率の放電灯、所謂メタルハライドラ
ンプが、車輌用前照灯の薄型化や省電力化等に適した光
源として注目を浴びている。(C. Background Art) In recent years, so-called metal halide lamps, which are low power consumption and high efficiency discharge lamps compared to filament type light sources such as halogen lamps, have been used to make vehicle headlights thinner and more energy efficient. It is attracting attention as a suitable light source.
（Ｄ．発明が解決しようとする課題）
ところで、上記したメタルハライドランプは、その色温
度が約４０００Ｋ （ケルビン）とハロゲンランプの色
温度（３ ０ ０ ０ Ｋ程度〉に比して高いため、こ
のようなメタルハライドランプとハロゲンランプを光源
として用いた車輌用・前照灯にあっては、照射光の光色
の違いが目立ち、前方の視認性が悪化したり、対向車の
運転者や歩行者に対して不快な印象を与えてしまうとい
う問題がある。(D. Problem to be Solved by the Invention) By the way, the color temperature of the metal halide lamp described above is about 4000 K (Kelvin), which is higher than the color temperature of a halogen lamp (about 3000 K). When it comes to vehicle headlights that use metal halide lamps and halogen lamps as light sources, the difference in the color of the emitted light is noticeable, leading to poor visibility in front of the vehicle or to the driver of an oncoming vehicle or pedestrian. There is a problem in that it gives an unpleasant impression.
（Ｅ．課題を解決するための手段）
そこで、上記した課題を解決するために、本発明車輌用
前照灯は、走行ビームを照射する第１の照射部と、すれ
違いビームを照射する第２の照射部とを備え、これら照
射部の光源として白熱電球と放電灯が用いられた車輌用
前照灯であって、白熱電球を光源とする照射部の一部を
為す反射鏡の反射面が表面処理によって青味を帯びるよ
うにしたり、あるいは青色光透過フィルターを白熱電球
の前方に配置したものである。(E. Means for Solving the Problems) Therefore, in order to solve the above-mentioned problems, the vehicle headlamp of the present invention has a first irradiation section that irradiates a driving beam, and a second irradiation section that irradiates a passing beam. An incandescent lamp and a discharge lamp are used as the light sources of these irradiation parts, and the reflecting surface of the reflector forming a part of the irradiation part which uses the incandescent lamp as the light source is The surface of the bulb is treated to give it a bluish tinge, or a blue light transmitting filter is placed in front of the incandescent bulb.
従って、本発明によれば、白熱電球による照射光の光色
を放電灯による照射光の光色に近づけることができるの
で、光源の色温度の差が照射光の光色の違いとなって顕
著に現われるようなことがない。Therefore, according to the present invention, it is possible to bring the light color of the irradiated light from an incandescent lamp closer to the light color of the irradiated light from a discharge lamp, so that the difference in color temperature of the light sources becomes a noticeable difference in the light color of the irradiated light. There is no such thing as appearing in
（Ｆ．実施例）
本発明車輌用前照灯の詳細を各実施例に従って説明する
。(F. Examples) Details of the vehicle headlamp of the present invention will be explained according to each example.
（Ｆ−１．第１の実施例）［第１図乃至第４図］
第１図乃至第４図は本発明車輌用前照灯の第１の実施例
１を示すものである。(F-1. First Embodiment) [Figs. 1 to 4] Figs. 1 to 4 show a first embodiment 1 of the vehicle headlamp of the present invention.
（ａ．外観）［第１図］
図中２、２′は各々前照灯ユニットであり、それぞれ走
行ビームの照射のために設けられた主ビーム照射部３、
３′とすれ違いビームの照射のために設けられた副ビー
ム照射部４、４′とを有しており、これら前照灯ユニッ
ト２、２′は車輌前部の左右両端寄りの位置に設けられ
ている。(a. Appearance) [Figure 1] In the figure, 2 and 2' are headlamp units, respectively, and the main beam irradiation part 3, which is provided for irradiation of the traveling beam,
3' and sub-beam irradiation parts 4, 4' provided for irradiating the passing beam, and these headlamp units 2, 2' are provided at positions near both left and right ends of the front of the vehicle. ing.
（ｂ．前照灯ユニット）［第２図、第３図］前照灯ユニ
ット２、２′は左右対称の構造とされているので、以下
では車輌の前方から見て右側に配置される一方の前照灯
ユニット２についてのみ説明し、他方の前照灯ユニット
２′の各部については、前照灯ユニット２の各部に付し
た符号に「′」を付加した符号を付することによってそ
の説明を省略する。そして、このような説明の省略の仕
方は後述する第２の実施例においても同様とする。(b. Headlight unit) [Figures 2 and 3] The headlight units 2 and 2' have a symmetrical structure, so in the following, they will be placed on the right side when viewed from the front of the vehicle. Only the headlamp unit 2 will be explained, and each part of the other headlamp unit 2' will be explained by adding a ``' to the reference numeral attached to each part of the headlamp unit 2. omitted. This method of omitting the explanation is also the same in the second embodiment described later.
５は前照灯ユニット２のランブボディであり、該ランプ
ボディ５は前面が開口した主反射鏡部６と該主反射鏡部
６に右斜め後方から隣接し、これも前面が開口した副反
射鏡部７とが一体に連設されて成り、該ランブボディ５
の前面開口８は稍上向きにかつ稍右（前方から見て）向
きに傾斜されている。そして、主反射鏡部６の反射面６
ａは青味を帯びるように、蒸着により反射層を形成した
後にコーティング等により表面処理が施されており、他
方の副反射鏡部７の反射而７ａは特別な色味を帯びない
通常の反射処理が施されている。Reference numeral 5 denotes a lamp body of the headlamp unit 2, and the lamp body 5 includes a main reflecting mirror section 6 having an open front, and a sub-reflecting mirror adjacent to the main reflecting mirror section 6 from diagonally rear right, and also having an open front. The lamp body 5
The front opening 8 is inclined slightly upward and slightly to the right (as viewed from the front). Then, the reflecting surface 6 of the main reflecting mirror section 6
A has a surface treatment such as coating after forming a reflective layer by vapor deposition so that it has a bluish tinge, and the reflection 7a of the other sub-reflector 7 is a normal reflection without any special coloring. Processed.
９、１０は取付孔であり、その一方の取付孔９が主反射
鏡部６の後部中央に形成され、これには色温度３３０’
ＯＫのハロゲン電球１１が支持されている。また、副反
射鏡部７の後部中央に形成された取付孔１０には、色温
度４０００Ｋのメタルハライトランブ１２が支持されて
いる。Reference numerals 9 and 10 are mounting holes, one of which is the mounting hole 9, which is formed at the rear center of the main reflecting mirror section 6, and has a color temperature of 330'.
An OK halogen light bulb 11 is supported. Further, a metal halide lamp 12 having a color temperature of 4000K is supported in a mounting hole 10 formed at the rear center of the sub-reflector section 7.
１３はレンズ据付溝であり、ランブボディ５の前面間口
８の周囲に前方に開口するように形成されている。Reference numeral 13 denotes a lens installation groove, which is formed around the front opening 8 of the lamp body 5 so as to open forward.
１４は無色透明な合成樹脂又はガラスで形成された前面
レンズであり、略前方を向き前下がりにかつ右向きに傾
斜した前面部１５と該前面部１５の周縁から略後方へ向
って突出された周壁部１６とが一体に形成されており、
周壁部１６の後端部がランプボディ５の据付ｄζ１３内
に嵌合結合されている。Reference numeral 14 denotes a front lens made of a colorless and transparent synthetic resin or glass, which includes a front surface portion 15 that faces substantially forward and slopes downward toward the front and to the right, and a peripheral wall that projects from the periphery of the front surface portion 15 toward the rear. The portion 16 is integrally formed,
The rear end of the peripheral wall 16 is fitted into the mounting dζ13 of the lamp body 5.
しかして、主反射鏡部６と、ハロゲン電球１ｌと、前面
レンズ１４のうち主反射鏡部６に対応した部分とによっ
て主ビーム明射部３が構成され、また、副反射鏡部７と
、メタルハライトランプ１２と、前面レンズ１４のうち
副反射鏡部７に対応した部分とによって副ビーム照射部
４が構成される。Thus, the main beam projecting section 3 is constituted by the main reflecting mirror section 6, the halogen bulb 1l, and the portion of the front lens 14 that corresponds to the main reflecting mirror section 6, and the sub-reflecting mirror section 7, The metal halide lamp 12 and the portion of the front lens 14 corresponding to the sub-reflector section 7 constitute the sub-beam irradiation section 4.
（ｃ．作用）［第４図］
上記車輌用前照灯１にあっては、走行ビームの照射時に
はハロゲン電球１１、１１′及びメタルハライドランブ
ｌ２、１２′の両者が点灯し、ハロゲン電球１１、Ｉｔ
′から側方又は後方に向けて出射された光１、ｌ、・・
・が反射面６ａ、６’ａによって青味がかった光ｊ２ｂ
、ｆｂ、・・・として前方に向けて反射され、これによ
って第４図に示すような広がりをもった配光パターン１
７が形成される。そして、メタルハライドランブ１２、
１２′による照射光Ｊｌ．．Ｉｔ．、・・・により、カ
ットライン１８（前面レンズ１４、１４′のうち副ビー
ム照射部４、４′を構成する部分により規定される。）
を有する配光パターンＩＩ９が形成される。よって全体
の配光パターンは両パターンｌ７、１９を重ね合わせた
形となり、この時の照射光は全体に青味がかった光色と
なり、光源固有の色温度の違いが目立たなくなる。(c. Effect) [Fig. 4] In the vehicle headlamp 1, both the halogen bulbs 11, 11' and the metal halide lamps 12, 12' light up when the driving beam is irradiated, and the halogen bulb 11, It
′ emitted toward the side or rearward 1, l,...
・Bluish light j2b due to reflection surfaces 6a and 6'a
, fb, . . . and is reflected forward, thereby creating a light distribution pattern 1 with a spread as shown in FIG.
7 is formed. And metal halide lamp 12,
12' irradiation light Jl. ．． It. ,... cut line 18 (defined by the portions of the front lenses 14, 14' that constitute the sub-beam irradiation parts 4, 4').
A light distribution pattern II9 is formed. Therefore, the overall light distribution pattern is formed by overlapping both patterns 17 and 19, and the irradiated light at this time has a bluish color as a whole, and the difference in color temperature specific to the light source becomes less noticeable.
尚、第４図中、ｒＨ−ＨＪは水平線、ｒＶ−ＶＪは垂直
線を各々表わしている。In FIG. 4, rH-HJ represents a horizontal line, and rV-VJ represents a vertical line.
従って、すれ違いビームから走行ビームに切替えた場合
、あるいはその逆に走行ビームからすれ違いビームに切
替えた場合に、両ビーム間の色ｌ品度範囲が近いため、
トライバーによる物体の見誤りを少なくすることができ
、また、対向車の運転者や歩行者を幻惑するようなこと
もない。Therefore, when switching from a low beam to a running beam, or vice versa, when switching from a running beam to a low beam, the color quality ranges between the two beams are close, so
Misjudgment of objects caused by the tri-bar can be reduced, and drivers of oncoming vehicles and pedestrians will not be dazzled.
（Ｆ−２．第２の実施例）［第５図乃至第７図コ
第５図乃至第７図は本発明車輌用前照灯の第２の実施例
ＩＡを示すものである。(F-2. Second Embodiment) [FIGS. 5 to 7] FIGS. 5 to 7 show a second embodiment IA of the vehicle headlamp of the present invention.
尚、この第２の実施例Ｃ示す車輌用前照灯ＩＡが前記第
１の実施例に示した車輌用前照灯１と相違するところは
、走行ビーム用の光源としてメタルハライドランプを用
い、すれ違いビーム用の光源としてハロゲン電球を用い
た点と、ハロゲン電球に対応した反射鏡部の反射面の着
色処理に代わって該ハロゲン電球と前面レンズとの間に
インナーフィルターを配置するようにした点だけである
６従って、相違する部分についてのみ説明し、相違しな
い部分については、−その部分に第１の実施例１におけ
る同様の部分に使用した符号と同じ符号を付することに
よって説明を省略する。The vehicle headlight IA shown in the second embodiment C is different from the vehicle headlight 1 shown in the first embodiment in that a metal halide lamp is used as the light source for the running beam, and The only points are that a halogen bulb is used as the light source for the beam, and that an inner filter is placed between the halogen bulb and the front lens instead of the coloring treatment on the reflective surface of the reflector that is compatible with halogen bulbs. Therefore, only the different parts will be explained, and the explanation of the non-different parts will be omitted by assigning the same reference numerals as those used for the similar parts in the first embodiment.
図中２Ａは前照灯ユニットである。2A in the figure is a headlamp unit.
２０は前照灯ユニット２Ａのランプボディであり、前面
が開ロした主反射鏡部２１と、その右斜め後方から隣接
し、やはり前面が開口した副反射鏡部２２とが一体に連
設されてなる。そして、主反射鏡部２１の後部中央に形
成された取付孔２３にはメタルハライドランブ１２が支
持され、副反射鏡部２２の後部中央に形成された取付孔
２４にはハロゲン電球１１が支持されている．そして、
各反射鏡部２１、２２の反射面２１ａ１２２ａには特別
な色味を帯びない反射処理が施されている。Reference numeral 20 denotes a lamp body of the headlamp unit 2A, in which a main reflector part 21 with an open front face and a sub-reflector part 22 adjacent to it from diagonally rear right and also with an open front face are integrally connected. It becomes. A metal halide lamp 12 is supported in a mounting hole 23 formed at the rear center of the main reflector section 21, and a halogen light bulb 11 is supported in a mounting hole 24 formed at the rear center of the sub-reflector section 22. There is. and,
The reflective surfaces 21a122a of each of the reflective mirror sections 21 and 22 are subjected to a reflective treatment that does not have a special color.
２５は段差部であり、副反射鏡部２２の内周部の前端寄
りの位置に前方を向くように形成されている。Reference numeral 25 denotes a stepped portion, which is formed at a position near the front end of the inner peripheral portion of the sub-reflector portion 22 so as to face forward.
２６はインナーフィルターであり，青色光に対する透過
性の高い、換言すれば赤色光成分をカットするような材
質で形成されており、その周縁部２６ａが上記した段差
部２５に着座固着されている。Reference numeral 26 denotes an inner filter, which is made of a material that is highly transparent to blue light, in other words, cuts red light components, and its peripheral portion 26a is seated and fixed to the stepped portion 25 described above.
シカシテ、主反射鏡部２１と、メタルハライドランブ「
２と、前面レンズ１４のうち主反射１１部２１に対応し
た部分とによって主ビーム照射部３Ａが構成され、また
、副反射鏡部２２と、ハロゲン電球１１と、インナーフ
ィルター２６と、前面レンズ１４のうち副反射鏡部２２
に対応した部分とによって副ビーム照射部４Ａが構成さ
れる。Shikashite, main reflector section 21, and metal halide lamp.
2 and a portion of the front lens 14 that corresponds to the main reflection 11 section 21 constitute a main beam irradiation section 3A. Among them, the sub-reflector section 22
A sub-beam irradiation section 4A is constituted by a portion corresponding to .
そして、この車輌用前照灯ＩＡにあっては、走行ビーム
の照射時にメタルハライドランプ１２、１２′のみが点
灯し、第７図（Ａ）に示すような配光パターン２７が照
射され、すれ違いビームの照射時にはハロゲン電球１１
、１１′のみが点灯するように切り替わり、第７図（Ｂ
）に示すような配光パターン２８が照射されることにな
るが、ハロゲン電球１１、１１′による光角、Ａ５ ・
・・はインナーフィルター２６、２６′を通ることによ
って青味がかった光ｌ′ｂ％Ａ ′ｂ ｓ ・・・と
じて前面レンズ１４、１４′を通して照射されるので、
照射ビームの切替時においてその先色が著しく変化する
ようなことはない。In this vehicle headlamp IA, only the metal halide lamps 12 and 12' are lit when the driving beam is irradiated, and a light distribution pattern 27 as shown in FIG. 7(A) is irradiated. When irradiating the halogen bulb 11
, 11' are switched on so that only
) will be illuminated with a light distribution pattern 28 as shown in FIG.
... passes through the inner filters 26, 26', and then the bluish light l'b%A'b s... is irradiated through the front lenses 14, 14', so
When switching the irradiation beam, the color does not change significantly.
（Ｇ．発明の効果）
以上に記載したところから明らかなように、本発明車輌
用前照灯の第１のものは、走行ビームを照射する第１の
照射部と、すれ違いビームを照射する第２の照射部とを
備え、これら照射部の光源として白熱電球と放電灯が用
いられた車輌用前照灯であって、白熱電球を光源とする
照射部，の一部を為す反射鏡の反射面が表面処理によっ
て青味を帯びるようにされ、白熱電球と放電灯の色温度
の差に基づく照射光の光色の差が縮小するようにしたこ
とを特徴とし、また、第２のものは、白熱電球と放電灯
の色温度の差に基づく照射光の光色の差が縮小するよう
に青色光透過フィルターを白熱電球の前方に配置したこ
とを特徴とする。(G. Effects of the Invention) As is clear from the above description, the first vehicle headlamp of the present invention has a first irradiation section that irradiates a driving beam and a first irradiation section that irradiates a passing beam. 2 irradiation section, and uses an incandescent bulb and a discharge lamp as the light source of these irradiation sections, the vehicle headlamp comprises a reflector that forms a part of the irradiation section whose light source is an incandescent bulb. The second type is characterized in that the surface is made bluish through surface treatment, and the difference in the color of the irradiated light based on the difference in color temperature between an incandescent lamp and a discharge lamp is reduced. The present invention is characterized in that a blue light transmitting filter is placed in front of the incandescent bulb so that the difference in the color of irradiated light due to the difference in color temperature between the incandescent bulb and the discharge lamp is reduced.
従って、本発明によれば、白熱電球による照射光の光色
を放電灯による照射光の光色に近づけることができるの
で、光源の色温度の差が照射光の光色の違いとなって顕
著に現われるようなことがなく、前方の視認性が悪化し
たり、対向車の運転者や歩行者に対して不快な印象を与
えるようなことがない。Therefore, according to the present invention, it is possible to bring the light color of the irradiated light from an incandescent lamp closer to the light color of the irradiated light from a discharge lamp, so that the difference in color temperature of the light sources becomes a noticeable difference in the light color of the irradiated light. There is no risk of deterioration of forward visibility or an unpleasant impression to oncoming drivers or pedestrians.
第１図乃至第４図は本発明車輌用前照灯の第１の実施例
を示すものであり、第１図は車輌用前照灯が車輌に取付
けられた状態を示す概略正面図、第２図は前照灯ユニッ
トの水平断面図、第３図は前照灯ユニットを一部切り欠
いて示す正面図、第４図は走行ビームの照射時における
配光パターンを概略的に示す図、第５図乃至第７図は本
発明車輌用前照灯の第２の実施例を示すもので、第５図
は水平断面図、第６図は前照灯ユニットの一部を切り欠
いて示す正面図、第７図は配光パターンを概略的に示し
、（Ａ）は走行ビームの照射時、（Ｂ）はすれ違いビー
ムの照射時における各々の配光パターン図である。
符号の説明
１・・・車輌用前照灯、
３、３′・・・第１の照射部（白熱電球を光源とする照
射部）、
４、４′・・・第２の照射部、
６、６′・・・反射鏡、
６ａ、６′ａ・・・反射面、
１１、１１′・・・白熱電球、
１２、１２′・・・放電灯、
ＩＡ・・・車輌用前照灯、
３Ａ・・・第１の照射部、
４Ａ・・・第２の照射部（白熱電球を光源とする照射部
）、
２６・・・青色光透過フィルター
出 願 人 株式会社小糸製作所1 to 4 show a first embodiment of the vehicle headlamp of the present invention, and FIG. 1 is a schematic front view showing the vehicle headlamp installed on a vehicle, and FIG. 2 is a horizontal cross-sectional view of the headlamp unit, FIG. 3 is a partially cutaway front view of the headlamp unit, and FIG. 4 is a diagram schematically showing the light distribution pattern when the driving beam is irradiated. 5 to 7 show a second embodiment of the vehicle headlamp of the present invention, FIG. 5 is a horizontal sectional view, and FIG. 6 is a partially cutaway view of the headlamp unit. The front view and FIG. 7 schematically show light distribution patterns, where (A) is a diagram of the light distribution pattern when a traveling beam is irradiated, and (B) is a diagram of each light distribution pattern when a low beam is irradiated. Explanation of symbols 1...Vehicle headlight, 3, 3'...First irradiation part (irradiation part using an incandescent light bulb as a light source), 4, 4'...Second irradiation part, 6 , 6'... Reflective mirror, 6a, 6'a... Reflective surface, 11, 11'... Incandescent light bulb, 12, 12'... Discharge lamp, IA... Vehicle headlamp, 3A...First irradiation part, 4A...Second irradiation part (irradiation part using an incandescent light bulb as a light source), 26...Blue light transmission filter Applicant: Koito Manufacturing Co., Ltd.
Claims (2)
ビームを照射する第２の照射部とを備え、これら照射部
の光源として白熱電球と放電灯が用いられた車輌用前照
灯であって、 白熱電球を光源とする照射部の一部を為す反射鏡の反射
面が表面処理によって青味を帯びるようにされ、白熱電
球と放電灯の色温度の差に基づく照射光の光色の差が縮
小するようにした ことを特徴とする車輌用前照灯(1) A vehicle headlamp that includes a first irradiation section that irradiates a running beam and a second irradiation section that irradiates a passing beam, and that uses an incandescent bulb and a discharge lamp as the light source for these irradiation sections. The reflective surface of the reflector, which forms part of the irradiation section that uses an incandescent light bulb as a light source, is surface-treated to give it a bluish tinge. A vehicle headlamp characterized by reducing the difference between
ビームを照射する第２の照射部とを備え、これら照射部
の光源として白熱電球と放電灯が用いられた車輌用前照
灯であって、 白熱電球と放電灯の色温度の差に基づく照射光の光色の
差が縮小するように青色光透過フィルターを白熱電球の
前方に配置した ことを特徴とする車輌用前照灯(2) A vehicle headlamp that includes a first irradiation section that irradiates a running beam and a second irradiation section that irradiates a passing beam, and that uses an incandescent bulb and a discharge lamp as the light source for these irradiation sections. A vehicle headlamp characterized in that a blue light transmitting filter is disposed in front of an incandescent bulb so as to reduce the difference in the color of irradiated light due to the difference in color temperature between an incandescent bulb and a discharge lamp.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1184447A JPH0760603B2 (en) | 1989-07-19 | 1989-07-19 | Vehicle headlights |
| GB9015306A GB2234056B (en) | 1989-07-19 | 1990-07-12 | Vehicular headlamp |
| DE4022865A DE4022865C2 (en) | 1989-07-19 | 1990-07-18 | Means for adjusting the spectral luminance distribution in a vehicle headlight |
| FR909009156A FR2649944B1 (en) | 1989-07-19 | 1990-07-18 | VEHICLE FRONT LIGHT |
| IT67563A IT1240407B (en) | 1989-07-19 | 1990-07-18 | HEADLIGHT FOR MOTOR VEHICLES |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1184447A JPH0760603B2 (en) | 1989-07-19 | 1989-07-19 | Vehicle headlights |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0353401A true JPH0353401A (en) | 1991-03-07 |
| JPH0760603B2 JPH0760603B2 (en) | 1995-06-28 |
Family
ID=16153307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1184447A Expired - Lifetime JPH0760603B2 (en) | 1989-07-19 | 1989-07-19 | Vehicle headlights |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH0760603B2 (en) |
| DE (1) | DE4022865C2 (en) |
| FR (1) | FR2649944B1 (en) |
| GB (1) | GB2234056B (en) |
| IT (1) | IT1240407B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492306U (en) * | 1990-12-28 | 1992-08-11 | ||
| JP2002319306A (en) * | 2001-04-23 | 2002-10-31 | Stanley Electric Co Ltd | Lighting lamp for automobile and electric bulb for automobile |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225370B4 (en) * | 1992-07-31 | 2004-02-05 | Robert Bosch Gmbh | Fog lights for vehicles |
| JPH1040713A (en) * | 1996-07-23 | 1998-02-13 | Fuji Heavy Ind Ltd | Head lamp device for vehicle |
| DE10016217A1 (en) * | 2000-03-31 | 2001-10-04 | Hella Kg Hueck & Co | Headlights for an airplane |
| DE10158837A1 (en) * | 2001-11-30 | 2003-06-12 | Volkswagen Ag | Vehicle headlamp has light source(s) whose light emission can be used for parking light function, light output coupling elements with blue filter for filtering light emitted by light source |
| JP6774755B2 (en) * | 2015-11-20 | 2020-10-28 | 株式会社小糸製作所 | Vehicle lighting and vehicle lighting systems |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1142888A (en) * | 1965-09-28 | 1969-02-12 | George Daniel Cooper | Improvements in reflectors |
| FR2530781A1 (en) * | 1982-07-23 | 1984-01-27 | Cibie Projecteurs | Vehicle signal lamp |
| US4513357A (en) * | 1983-01-19 | 1985-04-23 | Tokyo Shibaura Denki Kabushiki Kaisha | Headlamp unit with timed switching between two lights |
| JPS59134022A (en) * | 1983-01-19 | 1984-08-01 | Toshiba Corp | Headlight device for vehicle |
| FR2601111B1 (en) * | 1986-07-07 | 1988-10-21 | Cibie Projecteurs | MOTOR VEHICLE PROJECTOR WITH TWO MUTUALLY ADJUSTABLE MIRRORS |
| DE3703129A1 (en) * | 1987-02-03 | 1988-08-11 | Hella Kg Hueck & Co | HEADLIGHT UNIT FOR VEHICLES |
| FR2621100A1 (en) * | 1987-09-30 | 1989-03-31 | Koito Mfg Co Ltd | DOUBLE BEAM TYPE HEADLIGHT FOR MOTOR VEHICLE |
| CA1301238C (en) * | 1988-02-18 | 1992-05-19 | Rolf Sverre Bergman | Xenon-metal halide lamp particularly suited for automotive applications |
-
1989
- 1989-07-19 JP JP1184447A patent/JPH0760603B2/en not_active Expired - Lifetime
-
1990
- 1990-07-12 GB GB9015306A patent/GB2234056B/en not_active Expired - Fee Related
- 1990-07-18 IT IT67563A patent/IT1240407B/en active IP Right Grant
- 1990-07-18 FR FR909009156A patent/FR2649944B1/en not_active Expired - Fee Related
- 1990-07-18 DE DE4022865A patent/DE4022865C2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0492306U (en) * | 1990-12-28 | 1992-08-11 | ||
| JP2002319306A (en) * | 2001-04-23 | 2002-10-31 | Stanley Electric Co Ltd | Lighting lamp for automobile and electric bulb for automobile |
| JP4618526B2 (en) * | 2001-04-23 | 2011-01-26 | スタンレー電気株式会社 | Automotive headlamps |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4022865A1 (en) | 1991-01-31 |
| JPH0760603B2 (en) | 1995-06-28 |
| GB2234056A (en) | 1991-01-23 |
| IT9067563A1 (en) | 1992-01-18 |
| DE4022865C2 (en) | 1995-09-14 |
| GB9015306D0 (en) | 1990-08-29 |
| IT9067563A0 (en) | 1990-07-18 |
| FR2649944A1 (en) | 1991-01-25 |
| FR2649944B1 (en) | 1992-07-03 |
| IT1240407B (en) | 1993-12-10 |
| GB2234056B (en) | 1992-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6152589A (en) | Lamp | |
| US4949226A (en) | Projector-type lighting device of expanded outline appearance for use as a vehicular headlamp or the like | |
| EP0949449B1 (en) | Vehicle lamp with aspheric lenses and shades corresponding thereto | |
| US6244732B1 (en) | Lamp | |
| JP3542113B2 (en) | Multi-eye lighting | |
| JPH09237504A (en) | Automobile headlight for downward and upward light | |
| JPH0353401A (en) | Headlight for vehicle | |
| US5089942A (en) | Head lamps unit with multiple passing beam filaments providing improved passing beam | |
| JP2007505475A (en) | Headlights or lamps used in automobiles | |
| JP3562687B2 (en) | Projector type lamp | |
| JPH10261302A (en) | Projector lamp | |
| JPS639921Y2 (en) | ||
| JPH0741044Y2 (en) | Multi-lamp headlight | |
| CN210118702U (en) | Car light | |
| JP2767886B2 (en) | Vehicle headlights | |
| JP3261847B2 (en) | Projector-type headlights that prevent color development | |
| JPH0443501A (en) | Headlamp device for vehicle | |
| JPH087612A (en) | Vehicular lighting fixture | |
| JP2548029Y2 (en) | Projector type multi-light headlight | |
| JPH11329009A (en) | Head lamp for vehicle | |
| JP2003288804A (en) | Headlight for car | |
| JPH11329004A (en) | Lamp | |
| JP2002279804A (en) | Light fixture | |
| JP2598577B2 (en) | Automotive headlamp | |
| KR101937973B1 (en) | Lamp for vehicle |