JPH04342626A - High mount stop lamp for automobile - Google Patents

High mount stop lamp for automobile

Info

Publication number
JPH04342626A
JPH04342626A JP3141379A JP14137991A JPH04342626A JP H04342626 A JPH04342626 A JP H04342626A JP 3141379 A JP3141379 A JP 3141379A JP 14137991 A JP14137991 A JP 14137991A JP H04342626 A JPH04342626 A JP H04342626A
Authority
JP
Japan
Prior art keywords
light guide
light
automobile
stop lamp
columnar
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.)
Withdrawn
Application number
JP3141379A
Other languages
Japanese (ja)
Inventor
Shoichi Takeuchi
彰一 竹内
Yuji Iwaasa
岩浅 祐二
Tetsuya Yanoshita
哲也 矢ノ下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Priority to JP3141379A priority Critical patent/JPH04342626A/en
Publication of JPH04342626A publication Critical patent/JPH04342626A/en
Withdrawn legal-status Critical Current

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  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE:To obtain a high mount stop lamp for automobile which is super in design and is free from obstruction and breakage in cleaning the car inner surface of rear glass. CONSTITUTION:A pillar shaped light conductive body 2 into which the light which is supplied from a light source 7 which illuminates in synchronization with the stop lamp of an automobile is inputted is joined and held through a pad 8 on the lower part of the rear window glass of an automobile. A linear light scattering part 3 is formed nearly along the axis direction at a part on the surface or the inside of the pillar shaped light conductive body 2.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】本発明は自動車用のハイマウント
ストップランプに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-mounted stop lamp for automobiles.

【0002】0002

【従来の技術】従来、自動車等の車両において、ブレー
キ操作時、後退時、進行方向変更時等の注意を後方の車
両に促す方法としては、バンパー上部に位置するブレー
キランプや後退灯を点灯させることが通常である。しか
し、通常のバンパー上部に位置するブレーキランプ等で
は、降雪時に、ブレーキランプ等が雪に隠れ、後方車両
から見えなくなること、又、トラック、バス等の高い座
席の運転者からは近接して走行する前方の乗用自動車の
上記ブレーキランプの点灯表示を判別することが困難で
あること、又、夜間においては車幅灯などが点灯するた
め前方の乗用自動車のブレーキ操作状態を明確には判別
しにくくなることなどのため、安全上、問題があった。
[Prior Art] Conventionally, in vehicles such as automobiles, a method of warning vehicles behind to be careful when applying the brakes, reversing, changing the direction of travel, etc. is to turn on the brake lamp or reversing lamp located at the top of the bumper. This is normal. However, when it snows, the brake lights, etc. that are normally located at the top of the bumper are hidden by the snow and cannot be seen from the vehicle behind, and drivers of trucks, buses, etc. with high seats may not be able to see the brake lights when they are driving close to the vehicle. It is difficult to distinguish the lighting display of the brake lamps of the passenger car in front of the driver, and it is also difficult to clearly determine the brake operation status of the passenger car in front of the passenger car in front of the driver because the vehicle width lights are turned on at night. There was a safety issue due to this.

【0003】このような問題を解決するため、ブレーキ
ランプの発光部をリヤガラス付近の比較的高い位置に置
くものが提案、実用化されている(以下、これをハイマ
ウントストップランプと称する)。
In order to solve this problem, a brake lamp in which the light-emitting part of the brake lamp is placed at a relatively high position near the rear glass has been proposed and put into practical use (hereinafter referred to as a high-mount stop lamp).

【0004】これは、警告灯たる発光部が比較的高い位
置にあるため、後方の車両から視認し易い利点があるだ
けでなく、降雪時にも発光部が雪に隠れることがなく安
全性が高いという利点あるため、非常に有用である。
[0004] This has the advantage that the light-emitting part serving as a warning light is located at a relatively high position, which not only makes it easy to see from vehicles behind, but also provides high safety because the light-emitting part is not hidden by snow even when it snows. It is very useful because of its advantages.

【0005】[0005]

【発明が解決しようとする課題】このようなハイマウン
トストップランプとしては、自動車のリヤガラスの車内
側の後部座席とリヤガラスとの間に後方に向けて光を放
射する装置が知られている。しかし、このような構造は
後部座席とリヤガラスの間の空間を占有し、デザイン上
問題であるばかりでなく、リヤガラス内側の清掃の際や
、後部座席とリヤガラとの間を清掃する際の障害となっ
たり、ハイマウントストップランプを破損したりすると
いう問題を有していた。
As such a high-mounted stop lamp, a device is known that emits light rearward between the rear seat and the rear glass on the inside of the rear glass of an automobile. However, such a structure occupies the space between the rear seat and the rear glass, which is not only a design problem, but also an obstacle when cleaning the inside of the rear glass or between the rear seat and the rear glass. This has caused problems such as damage to high-mounted stop lamps.

【0006】[0006]

【課題を解決するための手段】本発明は前述の課題を解
決すべくなされたものであり、従来知られていなかった
自動車用ハイマウントストップランプの構造を新規に提
供するものである。
[Means for Solving the Problems] The present invention has been made to solve the above-mentioned problems, and provides a new structure of a high-mounted stop lamp for an automobile, which has not been known in the past.

【0007】即ち、自動車用ガラス窓に近接して取り付
けられてなる柱状導光体と、該柱状導光体内部に光を入
射する光源と、からなる自動車用ハイマウントストップ
ランプであって、柱状導光体の表面又は内部にはその軸
方向に略沿った線状光散乱部が設けられてなる自動車用
ハイマウントストップランプを提供するものである。
That is, a high-mounted stop lamp for an automobile includes a columnar light guide mounted close to a glass window for an automobile, and a light source that enters light into the columnar light guide. An object of the present invention is to provide a high-mounted stop lamp for an automobile, in which a linear light scattering section is provided on the surface or inside of a light guide, which extends substantially along the axial direction of the light guide.

【0008】[0008]

【作用】本発明は、自動車用ハイマウントストップラン
プとして、自動車用ガラス窓に近接して取り付けられて
なる柱状導光体と、該柱状導光体内部に光を入射する光
源と、からなる自動車用ハイマウントストップランプで
あって、柱状導光体の表面又は内部にはその軸方向に略
沿った線状光散乱部が設けられてなる構造としたものを
採用したので、光源等の光入射部をコンパクトにし、デ
ザイン上も優れ、清掃の際にも便利な自動車用ハイマウ
ントストップランプが得られる。
[Function] The present invention provides a high-mounted stop lamp for automobiles, which comprises a columnar light guide mounted close to a glass window for an automobile, and a light source that enters light into the columnar light guide. This is a high-mount stop lamp for use with a structure in which a linear light scattering section is provided on the surface or inside of the columnar light guide approximately along the axial direction, so that the light incident from the light source, etc. A high-mounted stop lamp for automobiles that is compact in size, has an excellent design, and is convenient for cleaning can be obtained.

【0009】[0009]

【実施例】以下、本発明の実施例に従って説明する。図
1に本発明の一実施例の斜視図を、又図2に図1中のA
−A断面図を、図3(a)に本発明の実施例に係る自動
車用ハイマウントストップランプの主要部を車内側から
見た平面図を、図3(b)にそのB−B断面図を示す。
[Example] The present invention will be explained below according to an example. FIG. 1 is a perspective view of one embodiment of the present invention, and FIG. 2 is a perspective view of an embodiment of the present invention.
-A sectional view, FIG. 3(a) is a plan view of the main parts of the automotive high-mounted stop lamp according to the embodiment of the present invention, viewed from inside the vehicle, and FIG. 3(b) is the BB sectional view. shows.

【0010】図1、図2に示すように、自動車のリヤウ
インドガラス1の下部の一部に柱状導光体2がパッド8
を介して接合、保持される。パッド8とリヤウインドガ
ラス1との間、及びパッド8と柱状導光体2との間は透
明な接着剤(図示せず)により接着されている。
As shown in FIGS. 1 and 2, a columnar light guide 2 is attached to a pad 8 at a part of the lower part of a rear window glass 1 of an automobile.
It is joined and held through. The pad 8 and the rear window glass 1 and the pad 8 and the columnar light guide 2 are bonded using a transparent adhesive (not shown).

【0011】ここで、パッド8は通常丸い形状の柱状導
光体2と、平らなリヤウインドガラス1とを十分強固に
接着するために両者の間に挟んで用いるものであり、光
透過性の材料を適宜それぞれに対応する形状に成形して
用いることができる。例えば、アクリル、塩化ビニルな
どの有機合成樹脂、ガラスなどが好ましい。
Here, the pad 8 is used by being sandwiched between the normally round columnar light guide 2 and the flat rear window glass 1 in order to bond them sufficiently firmly, and is a light-transmitting material. The materials can be appropriately molded into shapes corresponding to the respective materials. For example, acrylic, organic synthetic resins such as vinyl chloride, glass, etc. are preferable.

【0012】尚、柱状導光体2を一部平らにするなど、
リヤウインドガラス1との接着が十分になるようにされ
れば、パッド8は必ずしも用いる必要はない。自動車の
停止ランプに同期して発光する光源7により、柱状導光
体2に光が入射し、入射した光が光散乱部3で散乱し、
リヤウインドガラス1を通過する。
[0012] Note that the columnar light guide 2 may be partially flattened, etc.
The pad 8 does not necessarily need to be used if sufficient adhesion to the rear window glass 1 is achieved. A light source 7 that emits light in synchronization with a stop lamp of a car causes light to enter the columnar light guide 2, and the incident light is scattered by the light scattering section 3.
It passes through the rear window glass 1.

【0013】又、本実施例では窓枠6が柱状導光体2を
一部包み込むように形成されており、柱状導光体2はこ
れによっても保持され、車体ボディー4に固定される。 尚、図1において5は化粧板である。
Further, in this embodiment, the window frame 6 is formed so as to partially enclose the columnar light guide 2, and the columnar light guide 2 is also held by this and fixed to the vehicle body 4. In addition, in FIG. 1, 5 is a decorative board.

【0014】このようにすることにより、柱状導光体2
の支持が十分なものになる上、外観上も、外からは光源
等が視認されることがなく、見栄えが良く、好ましい。
By doing this, the columnar light guide 2
In addition to providing sufficient support, the light source and the like are not visible from the outside, and the appearance is good, which is preferable.

【0015】窓枠6は通常ポリウレタン系樹脂などから
なり、反応射出成形法などにより形成される。窓ガラス
とは別に形成されても良いが、窓ガラスと一体になるよ
うに射出成形されることもある。
The window frame 6 is usually made of polyurethane resin or the like, and is formed by reaction injection molding or the like. It may be formed separately from the window glass, but it may also be injection molded integrally with the window glass.

【0016】このような場合、成形時に窓枠6に柱状導
光体2が埋め込まれ得る孔を設け、その後、柱状導光体
2を埋め込むことにより形成できる。一方、窓ガラスと
一体になるように窓枠6を射出成形する場合は、柱状導
光体2をリヤウインドガラス1に当接した状態等で射出
成形を行ない、窓枠形成と同時に柱状導光体2が窓枠6
に埋め込む状態となるようにしても良い。
In such a case, the window frame 6 can be formed by providing a hole into which the columnar light guide 2 can be embedded during molding, and then embedding the columnar light guide 2 therein. On the other hand, when injection molding the window frame 6 so as to be integrated with the window glass, injection molding is performed with the columnar light guide 2 in contact with the rear window glass 1, and the columnar light guide is formed at the same time as forming the window frame. Body 2 is window frame 6
It may also be configured so that it is embedded in.

【0017】リヤウインドガラス1は柱状導光体2の光
射出面周辺に、黒色セラミックカラープリント等の塗料
が塗布されていても良い。
The rear window glass 1 may have a paint such as black ceramic color print applied around the light exit surface of the columnar light guide 2.

【0018】柱状導光体2とリヤウインドガラス1の境
界部は単に柱状導光体2がリヤウインドガラス1にパッ
ド8を介する等して押圧されているのみであって、必ず
しも接着されていない状態であっても良いが、その強度
の観点からは、本実施例のように接着剤で接着されてい
ることが望ましい。接着剤としては光硬化型の接着剤、
二液型接着剤などが好ましく用いられる。適当な透明性
の色に着色されていても良い。
At the boundary between the columnar light guide 2 and the rear window glass 1, the columnar light guide 2 is simply pressed against the rear window glass 1 via the pad 8, and is not necessarily bonded. However, from the viewpoint of strength, it is preferable that they be bonded with an adhesive as in this embodiment. The adhesive is a light-curing adhesive,
A two-component adhesive or the like is preferably used. It may be colored with an appropriate transparency color.

【0019】更に、柱状導光体2で光が射出されない部
分の表面に光源から柱状導光体に導入された光が放射さ
れないように、金属膜や、金属酸化物膜による光学的多
層膜からなる光反射層を設けることは光効率を向上する
ために好ましいことである。
Furthermore, in order to prevent the light introduced into the columnar light guide from the light source from being emitted onto the surface of the portion of the columnar light guide 2 from which light is not emitted, an optical multilayer film made of a metal film or a metal oxide film is coated. It is preferable to provide a light-reflecting layer that improves light efficiency.

【0020】又、柱状導光体2は円柱状以外にも角柱な
ど、光散乱部3との組合せで線状の発光体として機能し
得るものであれば良い。
[0020] The columnar light guide 2 may have a shape other than a cylinder, such as a square column, as long as it can function as a linear light emitter in combination with the light scattering section 3.

【0021】本実施例における柱状導光体2の構造を以
下に説明する。
The structure of the columnar light guide 2 in this embodiment will be explained below.

【0022】図3(a),(b)のように柱状導光体2
の内部の一部にはその軸方向に略沿った線状光散乱部3
が設けられている。又、柱状導光体2は図3(b)に示
すように芯部2b、及びその周囲にあって芯部よりも光
屈折率の低い被覆部2aからなる構造を有することが、
導光中の光損失を減少し、光効率を高める上で好ましい
As shown in FIGS. 3(a) and 3(b), the columnar light guide 2
A linear light scattering section 3 is provided in a part of the interior of the
is provided. Further, as shown in FIG. 3(b), the columnar light guide 2 has a structure consisting of a core portion 2b and a covering portion 2a around the core portion having a lower optical refractive index than the core portion.
This is preferable in terms of reducing light loss during light guidance and increasing light efficiency.

【0023】本実施例においては、芯部2bの材料とし
て光学ガラス(屈折率1.620 )、被覆部2aの材
料としてソーダライムガラス(屈折率1.516 )を
用いた。光散乱部3については、二酸化チタン(屈折率
2.903 )の粉末をシリコーン樹脂(屈折率1.4
04 )に混ぜて分散させたものを柱状導光体2の軸に
略平行に設けた溝に流し込み、該樹脂を硬化させた。
In this embodiment, optical glass (refractive index: 1.620) was used as the material for the core portion 2b, and soda lime glass (refractive index: 1.516) was used as the material for the covering portion 2a. For the light scattering part 3, titanium dioxide (refractive index 2.903) powder is mixed with silicone resin (refractive index 1.4).
04) and dispersed therein was poured into a groove provided approximately parallel to the axis of the columnar light guide 2, and the resin was cured.

【0024】光散乱部3は、図3(b)に示したように
芯部2bと接するように設けることにより、光を散乱す
ることになる。又、光散乱部3で散乱された光は、芯部
2b被覆部2aを通過して、射出されることになるため
、光散乱部がその射出面に対して後方になるように即ち
、芯部2bに対してリヤウインドガラス1と反対側にな
るように設けられることが好ましい。
The light scattering section 3 scatters light by providing it in contact with the core section 2b as shown in FIG. 3(b). In addition, since the light scattered by the light scattering part 3 passes through the core part 2b and the covering part 2a and is emitted, the light scattering part should be arranged so that it is backward with respect to the exit surface. It is preferable that it be provided on the opposite side of the rear window glass 1 with respect to the portion 2b.

【0025】本発明における、柱状導光体は、芯材、被
覆材を同時に加熱延伸、融着することにより作られたも
のに、被覆部表面から芯部に達する溝を形成し、その溝
に光散乱物質を埋め込んで製造した。勿論これによらず
、芯部製造の後に被覆部を製造することも可能である。
In the present invention, the columnar light guide is made by simultaneously heat-stretching and fusing a core material and a covering material, and a groove extending from the surface of the covering part to the core part is formed, and a groove is formed in the groove. It was manufactured by embedding a light-scattering substance. Of course, without relying on this, it is also possible to manufacture the covering part after manufacturing the core part.

【0026】このようにして作成した、芯部と被覆部の
境界面は、平滑な鏡面をなしており、芯部内を伝送する
光の良好な反射面として機能する。芯材、被覆材は石英
ガラス、多成分ガラス、プラスチックなどを用いること
もできるが、被覆材は芯材よりも光屈折率の低いもので
なければならない。光散乱物質として、シリコーン樹脂
中に分散させるものは、二酸化チタンなどの高屈折率の
ものが望ましい。
[0026] The interface between the core and the covering, created in this manner, has a smooth mirror surface and functions as a good reflective surface for light transmitted within the core. The core material and coating material may be made of quartz glass, multicomponent glass, plastic, etc., but the coating material must have a lower optical refractive index than the core material. The light scattering substance to be dispersed in the silicone resin is preferably one with a high refractive index such as titanium dioxide.

【0027】又、溝自体を粗面化し、光散乱面とするこ
とも可能であり、その場合、光散乱物質を埋め込む必要
はない。溝の形状、幅は必要とされる光量、視角と、柱
状導光体の太さなどにより適宜決定される。溝は一本で
ある必要はない。又、溝は曲線でも直線でも良い。
It is also possible to roughen the groove itself and make it a light-scattering surface, in which case there is no need to embed a light-scattering substance. The shape and width of the groove are appropriately determined depending on the required amount of light, viewing angle, and the thickness of the columnar light guide. The groove does not have to be just one. Further, the groove may be curved or straight.

【0028】更に、本発明では柱状導光体を第3図(a
)に示すように略コ字状としたが、これに限られるもの
ではなく、略T字状やその他各種形状のものも使用でき
る。
Furthermore, in the present invention, the columnar light guide is shown in FIG.
), the shape is approximately U-shaped, but the shape is not limited to this, and shapes such as approximately T-shape and various other shapes can also be used.

【0029】柱状導光体2の径は5〜20mm、溝の幅
は0.5〜3mm、溝の長さは150〜400mm程度
が適当であるが、特に限定はされない。又、光散乱部3
で散乱せず柱状導光体2の端まで伝送した光を再び柱状
導光体2内に戻すために光源7に接続されている入射端
面の対向面である柱状導光体2の端には、反射層9とし
てアルミ板を設けた。光源7としてはハロゲンランプを
用いたがLEDや既存のブレーキランプを用いても良く
、十分な輝度が得られれば特定はされない。
It is appropriate that the diameter of the columnar light guide 2 is 5 to 20 mm, the width of the groove is 0.5 to 3 mm, and the length of the groove is about 150 to 400 mm, but there are no particular limitations. In addition, the light scattering section 3
In order to return the light that has been transmitted to the end of the columnar light guide 2 without being scattered by the columnar light guide 2 into the columnar light guide 2 again, there is a , an aluminum plate was provided as the reflective layer 9. Although a halogen lamp is used as the light source 7, an LED or an existing brake lamp may be used, and as long as sufficient brightness is obtained, the lamp is not specified.

【0030】本発明の窓枠材としては合成樹脂材料が好
ましく用いられ、例えば発泡剤を含有する塩化ビニル樹
脂、ポリアミド系樹脂、ポリスチレン樹脂、ポリプロピ
レン樹脂、ポリエチレン樹脂、ポリウレタン系樹脂、シ
リコーン系樹脂、その他各種合成樹脂を使用することが
できる。かかる枠体の裏側部分は発泡剤を含有する合成
樹脂原料を型の中に射出して発泡性樹脂を反応性射出成
形により成形してもよい。
Synthetic resin materials are preferably used as the window frame material of the present invention, such as vinyl chloride resin containing a foaming agent, polyamide resin, polystyrene resin, polypropylene resin, polyethylene resin, polyurethane resin, silicone resin, Various other synthetic resins can also be used. The back side of the frame may be formed by reactive injection molding of a foamable resin by injecting a synthetic resin raw material containing a foaming agent into a mold.

【0031】上記枠体の少なくとも裏側部分は発泡成形
により低圧で成形するのが好ましい。例えば、150 
kg/cm2 以下の低圧で発泡成形するのが好ましい
[0031] At least the back side portion of the frame is preferably formed by foam molding at low pressure. For example, 150
It is preferable to perform foam molding at a low pressure of kg/cm2 or less.

【0032】発泡成形用の発泡剤としては、揮発性発泡
剤、分解性発泡剤が用いられるが押出しあるいは射出成
形機を使用する場合には分解性発泡剤が好ましい。分解
性発泡剤としては炭酸アンモニウム、重炭酸ナトリウム
等の無機化合物、アゾジカルボンアミド、ジアゾアミノ
ベンゼン等のアゾ化合物、ジフェニルオキシド−4,4
′− ジスルホニルヒドラジド等のスルホニルヒドラジ
ド化合物、N,N′ニトロソペンタメチレンテトラミン
等のニトロソ化合物、テレフタルアジド等のアジド化合
物が好ましく使用される。
As the blowing agent for foam molding, volatile blowing agents and decomposable blowing agents are used, but decomposable blowing agents are preferred when an extrusion or injection molding machine is used. Degradable blowing agents include inorganic compounds such as ammonium carbonate and sodium bicarbonate, azo compounds such as azodicarbonamide and diazoaminobenzene, and diphenyl oxide-4,4.
Sulfonyl hydrazide compounds such as '-disulfonyl hydrazide, nitroso compounds such as N,N' nitrosopentamethylenetetramine, and azide compounds such as terephthal azide are preferably used.

【0033】[0033]

【発明の効果】本発明は、外観上ハイマウントストップ
ランプの光源が見えない方法であり、窓枠と一体になっ
ているので、デザイン上、すぐれた方法であるばかりで
なく、リヤガラス車内面の清掃の際に邪魔になったり破
損したりすることがないという効果も認められる。更に
光源を置く位置に自由度があるため、設計上有利になる
という効果も認められる。
[Effects of the Invention] The present invention is a method in which the light source of a high-mounted stop lamp is not visible from the outside and is integrated with the window frame, so it is not only an excellent method in terms of design, but also a Another advantage is that it does not get in the way or get damaged during cleaning. Furthermore, since there is a degree of freedom in the position where the light source is placed, it is recognized that it is advantageous in terms of design.

【図面の簡単な説明】[Brief explanation of the drawing]

【図1】本発明の一実施例を示す斜視図[Fig. 1] A perspective view showing one embodiment of the present invention.

【図2】図1の
A−A断面図
[Figure 2] A-A sectional view in Figure 1

【図3】図1の主要部拡大平面図及び断面図[Figure 3] Enlarged plan view and cross-sectional view of main parts in Figure 1

【符号の説明】[Explanation of symbols]

1  リヤウインドガラス 2  柱状導光体 3  光散乱部 4  車体ボディー 5  化粧板 6  窓枠 7  光源 8  パッド 9  反射層 1 Rear window glass 2 Columnar light guide 3. Light scattering section 4 Vehicle body 5 Decorative board 6 Window frame 7. Light source 8 Pad 9 Reflective layer

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】自動車用ガラス窓に近接して取り付けられ
てなる柱状導光体と、該柱状導光体内部に光を入射する
光源と、からなる自動車用ハイマウントストップランプ
であって、柱状導光体の表面又は内部にはその軸方向に
略沿った線状光散乱部が設けられてなる自動車用ハイマ
ウントストップランプ。
1. A high-mounted stop lamp for an automobile, comprising a columnar light guide mounted in close proximity to a glass window for an automobile, and a light source that enters light into the columnar light guide, the columnar light guide comprising: A high-mounted stop lamp for an automobile, in which a linear light scattering section is provided on the surface or inside of a light guide, which extends approximately along the axial direction of the light guide.
【請求項2】柱状導光体は、芯部とその周囲にあって該
芯部より光屈折率の低い被覆部とを有することを特徴と
する請求項1の自動車用ハイマウントストップランプ。
2. The high mount stop lamp for an automobile according to claim 1, wherein the columnar light guide has a core portion and a coating portion surrounding the core portion having a lower optical refractive index than the core portion.
JP3141379A 1991-05-17 1991-05-17 High mount stop lamp for automobile Withdrawn JPH04342626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3141379A JPH04342626A (en) 1991-05-17 1991-05-17 High mount stop lamp for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3141379A JPH04342626A (en) 1991-05-17 1991-05-17 High mount stop lamp for automobile

Publications (1)

Publication Number Publication Date
JPH04342626A true JPH04342626A (en) 1992-11-30

Family

ID=15290630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3141379A Withdrawn JPH04342626A (en) 1991-05-17 1991-05-17 High mount stop lamp for automobile

Country Status (1)

Country Link
JP (1) JPH04342626A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708519A (en) * 1993-03-31 1998-01-13 Koito Manufacturing Co., Ltd. Holographic automotive high mount stop lamp
JP2013159264A (en) * 2012-02-07 2013-08-19 Jirou Collection:Kk Vehicular lighting system
JP2014008876A (en) * 2012-06-29 2014-01-20 Koito Mfg Co Ltd Vehicular rear panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5708519A (en) * 1993-03-31 1998-01-13 Koito Manufacturing Co., Ltd. Holographic automotive high mount stop lamp
JP2013159264A (en) * 2012-02-07 2013-08-19 Jirou Collection:Kk Vehicular lighting system
JP2014008876A (en) * 2012-06-29 2014-01-20 Koito Mfg Co Ltd Vehicular rear panel

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