JP4565655B2 - Lamp unit and combination lamp incorporating the lamp unit - Google Patents

Lamp unit and combination lamp incorporating the lamp unit Download PDF

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JP4565655B2
JP4565655B2 JP2006048301A JP2006048301A JP4565655B2 JP 4565655 B2 JP4565655 B2 JP 4565655B2 JP 2006048301 A JP2006048301 A JP 2006048301A JP 2006048301 A JP2006048301 A JP 2006048301A JP 4565655 B2 JP4565655 B2 JP 4565655B2
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lamp
cylindrical portion
lamp unit
light source
lens
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JP2007227224A (en
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俊幸 近藤
直樹 秋田
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Stanley Electric Co Ltd
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Stanley Electric Co Ltd
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Description

本発明は、車両用などに用いられ、自車の行動などを後続車、歩行者などに告知するための用いられるテールランプ、ストップランプなどと称されている灯具に関するものである。   The present invention relates to a lamp called a tail lamp, a stop lamp or the like that is used for a vehicle or the like and is used for notifying the following vehicle, a pedestrian or the like of the behavior of the own vehicle.

従来のこの種の灯具90の構成の例を示すものが図9であり、この灯具90には回転放物面の反射鏡91が設けられ、この反射鏡91の焦点の位置に置かれた光源92からの光を、略平行光線として反射し、照射を目的とする方向に向けて放射するものとされている。   FIG. 9 shows an example of the configuration of a conventional lamp 90 of this type, and the lamp 90 is provided with a rotating paraboloid reflecting mirror 91, and a light source placed at the focal point of the reflecting mirror 91. The light from 92 is reflected as a substantially parallel light beam, and is emitted in the direction intended for irradiation.

そして、前記反射鏡91の反射方向側には、この反射鏡91を覆うようにアウターレンズ93が設けられ、前記した平行光線を透過させるものとされているが、このときに、前記アウターレンズ93には魚眼レンズカット93aが設けられ、前記した平行光線を適宜に拡散することで、灯具90としての配光特性が得られるものとされている。
特開2000−149616号公報
An outer lens 93 is provided on the reflecting direction side of the reflecting mirror 91 so as to cover the reflecting mirror 91 and transmits the parallel light rays. At this time, the outer lens 93 is transmitted. Is provided with a fish-eye lens cut 93a, and the light distribution characteristics of the lamp 90 can be obtained by appropriately diffusing the parallel light rays.
JP 2000-149616 A

しかしながら、前記した従来の構成の灯具90においては、塵埃の付着の防止などの目的で、凹凸のある魚眼レンズカット93aが施された面は反射鏡91の側に向けられており、昼間時に後続車などからアウターレンズ93面を観視するときには、単なる平坦面にしか見えず、例えば、車種、車格の相違など後続車から見るときには判然とせず、即ち、デザイン的な相違が表現し難いものとなる問題点を生じていた。   However, in the lamp 90 having the above-described conventional configuration, the surface on which the uneven fish-eye lens cut 93a is applied is directed toward the reflecting mirror 91 for the purpose of preventing the adhesion of dust and the like, and the following vehicle at daytime. When the outer lens 93 surface is viewed from the above, it can only be seen as a flat surface, for example, it is unclear when viewed from the following vehicle such as a difference in car type, car grade, that is, a design difference is difficult to express. The problem which has become.

また、点灯時においても、内側に施された魚眼レンズカット93a間の接続線が、クロス状模様、若しくは、六角形の蜂の巣状模様に見えるのみであり、後続車などには依然としてる平板な印象しか与えられないものとなり、デザイン的な面で斬新性に乏しいものであった。   In addition, even when the light is on, the connecting line between the fish-eye lens cuts 93a applied to the inside only looks like a cross-shaped pattern or a hexagonal honeycomb-shaped pattern. It was something that could not be given, and it was poor in terms of design.

更に、魚眼レンズカット93aにおいては小径の半球状を連続させて一枚のレンズとした構成であるので、拡散性が高く、レンズ自体の透視性も悪くなり、近年の透視性が高く、内部の反射面などが明確に見えて輝き感、金属感が高くデザインされている他の灯具と組合わせたときの整合性が悪いという問題点も生じている。   Further, the fish-eye lens cut 93a has a structure in which a small-diameter hemisphere is continuous to form a single lens. Therefore, the diffusibility is high, the transparency of the lens itself is poor, the transparency in recent years is high, and the internal reflection is high. There is also a problem that the compatibility when combined with other lamps that are clearly designed to have a clear surface and shine, and has a high metallic feeling has been raised.

特に近年においては、車両の前面側も、後面側も複数の用途の灯具を、車体形状に合致する透明なレンズでがバーして一体化した、いわゆる、コンビネーションランプが多く採用されるものとなり、上記に説明したように、レンズ面の透視性が低い灯具が混在すると車両ユーザーなどにも違和感を与え商品性を損なう問題点も生じる。   In particular, in recent years, so-called combination lamps, in which a plurality of lamps for use on both the front side and the rear side of a vehicle are integrated with a transparent lens that matches the shape of the vehicle body, are often adopted. As described above, when lamps with low transparency of the lens surface are mixed, there is a problem that the vehicle user is uncomfortable and the merchantability is impaired.

また、従来の手法において、LEDランプなど夫々が独立する光源の場合、魚眼レンズカット93など1つのカット毎に組合わせ、均一な発光を行わせようとする構成も試みられているが、このような場合においては、点灯時に個々の光源が独立して光輝しているようにみえる粒子感(ツブツブ感)が感じられるものとなり、いずれにしても、他の灯具との統一感が得られ難いという問題点を生じていた。   Further, in the conventional method, in the case of an independent light source such as an LED lamp, a configuration that attempts to perform uniform light emission by combining each cut such as a fish-eye lens cut 93 has been tried. In some cases, it is possible to feel a particle feeling (smooth feeling) that makes each individual light source shine independently when lit, and in any case, it is difficult to obtain a sense of unity with other lamps. It was producing points.

本発明は上記した従来の課題を解決するための具体的手段として、透明部材で、円筒部と、該円筒部の一方の端部を閉止する底部とから成る有底円筒状のレンズを形成し、前記底部の前記円筒部の内側の面の近傍に複数の光源をリング状に配置し、この円筒部の外径には略V字状溝が密接して形成されていることを特徴とする灯具ユニット、及び、上記灯具ユニットの少なくとも1つが組み込まれていることを特徴とするリア、または、フロント用のコンビネーションランプを提供することで、デザイン統一を可能とすると共に、従来にない斬新な発光を行うランプユニットを提供可能として、課題を解決するものである。   As a specific means for solving the above-described conventional problems, the present invention forms a bottomed cylindrical lens comprising a cylindrical portion and a bottom portion that closes one end of the cylindrical portion with a transparent member. A plurality of light sources are arranged in a ring shape in the vicinity of the inner surface of the cylindrical portion at the bottom, and a substantially V-shaped groove is formed in close contact with the outer diameter of the cylindrical portion. By providing a lamp unit and a combination lamp for the rear or front, which is characterized by incorporating at least one of the above lamp units, it is possible to unify the design and to produce a novel light emission that has never been seen before It is possible to provide a lamp unit that performs the above and solve the problem.

従来の灯具、特に複数の灯具が組合わされたコンビネーションランプなどにおいては、LEDランプなど夫々が独立する複数の光源を組み合わせて構成した、灯具の部分では透明感が不足したり、或いは、点灯時に粒子感を生じて、他の部分の灯具と違和感を生じていた問題を解決すると共に、点灯時には従来にない斬新な発光を行う灯具として、美観を一層に高め、車両全体の美観を向上させるという極めて優れた効果を奏するものである。   In a conventional lamp, particularly a combination lamp in which a plurality of lamps are combined, a combination of a plurality of independent light sources such as LED lamps is used. As a lamp that emits a sense of incongruity with other parts of the lamp and emits a novel light emission that is unprecedented when it is lit, it further enhances the aesthetics and improves the aesthetics of the entire vehicle. It has an excellent effect.

つぎに、本発明を図に示す実施形態に基づいて詳細に説明する。図1、及び、図2に示すものは、本発明に係る灯具ユニット1の第一実施例であり、この灯具ユニット1は、有底円筒状としたレンズ2と、例えば、LEDランプなど複数の光源3とから構成されている。   Below, this invention is demonstrated in detail based on embodiment shown in a figure. FIG. 1 and FIG. 2 show a first embodiment of a lamp unit 1 according to the present invention. This lamp unit 1 includes a lens 2 having a bottomed cylindrical shape and a plurality of, for example, LED lamps. And a light source 3.

前記レンズ2は、透明樹脂などにより略円筒状とされた円筒部21と、前記円筒部21の何れか一方の端部を閉止する略円板状とした底部22とで構成されており、前記底部22には、図2に示すように複数の光源取付部22aが設けられ、LEDランプなど光源3が接着、挿入など適宜な手段で所定位置にリング状として取付られている。   The lens 2 includes a cylindrical portion 21 that is substantially cylindrical with a transparent resin or the like, and a bottom portion 22 that has a substantially disk shape that closes one end of the cylindrical portion 21. As shown in FIG. 2, the bottom portion 22 is provided with a plurality of light source mounting portions 22a, and the light source 3 such as an LED lamp is mounted in a ring shape at a predetermined position by an appropriate means such as adhesion or insertion.

そして、前記光源3が取付けられた底部22においては、前記レンズ2の円筒部21が前記光源3を内部に収納する状態として取付可能な構成(図1参照)とされている。尚、このときに、前記底部22には、前記光源3のための給電端子(図示せず)などが設けられていて、レンズ2の外部から点滅が行えるように構成とされていている。   And in the bottom part 22 to which the said light source 3 was attached, the cylindrical part 21 of the said lens 2 is set as the structure (refer FIG. 1) which can be attached as the state which accommodates the said light source 3 inside. At this time, the bottom portion 22 is provided with a power supply terminal (not shown) for the light source 3 so as to be able to blink from the outside of the lens 2.

加えて、前記円筒部21の外側の側面には、図2に示すように略V字状とした複数の溝21a(以下、V字状溝21aと称する)が夫々が接する状態として形成されている。尚、この実施形態では、前記V字状溝21aは、前記円筒部21の中心軸Zと直交する方向として形成されている。   In addition, a plurality of substantially V-shaped grooves 21a (hereinafter referred to as V-shaped grooves 21a) are formed on the outer side surface of the cylindrical portion 21 as shown in FIG. Yes. In this embodiment, the V-shaped groove 21 a is formed as a direction orthogonal to the central axis Z of the cylindrical portion 21.

図3は、本発明に係る灯具ユニット1の作用を示す説明図であり、現実に前記灯具ユニット1が車両に取付けられ、光源3の点灯が行われているときには、大部分のケースで観視者は、前記円筒部21に施された前記V字状溝21aを通して、光源3を見るものとなる。   FIG. 3 is an explanatory view showing the operation of the lamp unit 1 according to the present invention. When the lamp unit 1 is actually attached to a vehicle and the light source 3 is turned on, the lamp unit 1 is viewed in most cases. The person sees the light source 3 through the V-shaped groove 21 a provided in the cylindrical portion 21.

このときに、視線は前記円筒部21に施された前記V字状溝21aを通過するときに、前記円筒部21が形成された部材の屈折率と、大気の屈折率との差で、屈折を生じるが、観視者は屈折を検知することができないので、視線の延長上に光源3、若しくは、光源3からの光が存在しているように見え、図3に模式的に示したように、光源3からの光が前記円筒部21内で湾曲しているように見える。   At this time, when the line of sight passes through the V-shaped groove 21a provided in the cylindrical portion 21, the difference between the refractive index of the member in which the cylindrical portion 21 is formed and the refractive index of the atmosphere is refracted. However, since the viewer cannot detect refraction, it seems that light from the light source 3 or light from the light source 3 exists on the extension of the line of sight, as schematically shown in FIG. Furthermore, it appears that the light from the light source 3 is curved in the cylindrical portion 21.

このように、円筒部21内と云えども、光源3からの光が湾曲して見える灯具ユニット1は過去に存在せず、本発明はかつてない全く新しい見栄えの灯具ユニット1の提供を可能とするものであり、また、観視方向により、前記円筒部21内の光の形状も様々に変化するので、この点でも従来にない斬新な見栄えの灯具ユニット1の提供を可能とするものである。   Thus, even in the cylindrical portion 21, the lamp unit 1 in which the light from the light source 3 appears curved has not existed in the past, and the present invention makes it possible to provide a lamp unit 1 with a completely new appearance that has never been seen before. In addition, since the shape of the light in the cylindrical portion 21 changes variously depending on the viewing direction, it is possible to provide the lamp unit 1 having a novel appearance which is not present in this respect.

図4は本発明の別な第二実施例であり、この第二実施例は、主として、前記灯具ユニット1が正面方向(中心軸Z方向)から観視されたときの見栄えを考慮して行われたものである。   FIG. 4 shows another second embodiment of the present invention. This second embodiment is mainly performed in consideration of appearance when the lamp unit 1 is viewed from the front direction (center axis Z direction). It has been broken.

上記のように灯具ユニット1が前記円筒部21の中心軸Z方向から観視されたときには、観視者の視線はほとんど前記V字状溝21aを通過することなく、図1、及び、図2に示した構成の円筒部21では、光源3が直視される可能性が高く、上記に述べたような湾曲する光が表示されない、あるいは、期待するほど見えない可能性が高いものとなる。   When the lamp unit 1 is viewed from the direction of the central axis Z of the cylindrical portion 21 as described above, the line of sight of the viewer hardly passes through the V-shaped groove 21a, and FIG. In the cylindrical portion 21 having the configuration shown in FIG. 6, there is a high possibility that the light source 3 is directly viewed, and the curved light as described above is not displayed or is not likely to be seen as expected.

そこで、この第二実施例においては、円筒部21の底部22が設けられた反対側の端部にリング状とした装飾レンズ23を設けるものであり、この装飾レンズ23は、例えば、リング状とした部分の幅の中心部が厚く形成され、光源3を透過して見るときには、適宜な変形を生じるようにして、光源3が直視される実像が見えることを避けるものとしている。   Therefore, in the second embodiment, a decorative lens 23 having a ring shape is provided at the opposite end where the bottom portion 22 of the cylindrical portion 21 is provided. The central portion of the width of the portion thus formed is formed thick, and when viewed through the light source 3, an appropriate deformation is generated so as to avoid a real image in which the light source 3 is directly viewed.

図5、図6は本発明の第三実施例であり、この第三実施例は、上記に説明したものに対して更なる斬新な見栄えを提供しようとするものである。   FIG. 5 and FIG. 6 show a third embodiment of the present invention, and this third embodiment is intended to provide a further novel appearance to what has been described above.

この第三実施形態においても、前記灯具ユニット1はレンズ2と光源3とで構成されており、前記レンズ2は、円筒部21と底部22とから成るものである点は、前の第一実施例と同様である。また、灯具ユニット1としての見栄えなど、必要に応じては装飾リング23が設けられる点も同様である。   Also in the third embodiment, the lamp unit 1 is composed of a lens 2 and a light source 3, and the lens 2 is composed of a cylindrical portion 21 and a bottom portion 22. Similar to the example. Moreover, the point which the decoration ring 23 is provided as needed, such as the appearance as the lamp unit 1, is also the same.

ここで、この第三実施例においては、前記円筒部21に設けられるV字状溝21aに工夫を凝らすものであり、第一実施例、第二実施例のV字状溝21aが何れも前記円筒部21の中心軸Zに対して直交する円状に形成されていたのに対し、この第三実施例においては、全てのV字状溝21aが、前記中心軸Zに対して例えば15度など、傾いて形成されるものとされている。   Here, in the third embodiment, the V-shaped groove 21a provided in the cylindrical portion 21 is devised, and both the V-shaped groove 21a of the first embodiment and the second embodiment are described above. Whereas in the third embodiment, all the V-shaped grooves 21a are, for example, 15 degrees with respect to the central axis Z, whereas they are formed in a circular shape orthogonal to the central axis Z of the cylindrical portion 21. Etc.

尚、上記した前記中心軸Zに対するV字状溝21aの傾きの量は、前記円筒部21の直径、V字状溝21aの深さ、ピッチなどの要素、或いは、光源3の数、装飾リング23の有無など、種々の条件で効果が変化するものとなるので、実際に車両などに取付ける条件の下で望ましい効果が得られるように設定するのが良い。   Note that the amount of inclination of the V-shaped groove 21a with respect to the central axis Z described above depends on factors such as the diameter of the cylindrical portion 21, the depth of the V-shaped groove 21a, the pitch, the number of light sources 3, and the decoration ring. Since the effect varies depending on various conditions such as the presence or absence of 23, it is preferable to set so as to obtain a desired effect under the condition of actually attaching to a vehicle or the like.

このようにすることで、図6に模式的に示すように、光源3からの光は夫々が捻れるように曲がって見えるものとなり、第一、第二実施例で示した構成のものよりも、一層に斬新な点灯状態が得られるものとなる。   By doing so, as schematically shown in FIG. 6, the light from the light source 3 appears to bend so that each of them is twisted, which is more than the configuration shown in the first and second embodiments. As a result, a more innovative lighting state can be obtained.

図7は、上記に説明した第一〜第三実施例の灯具ユニット1を組み込んだコンビネーションランプ10を示すものであり、上記の灯具ユニット1の実施例の説明からも明らかなように、前記灯具ユニット1は、後方ばかりでなく、側方からも充分に観視が可能であり、しかも、側方から観視するときには、従来にない斬新な見え方を提供できるものであるので、例えば、車両の側面からも観視可能な位置に取付けることで、コンビネーションランプ10全体を斬新な見栄えの得られるものとすることができる。   FIG. 7 shows a combination lamp 10 in which the lamp unit 1 of the first to third embodiments described above is incorporated. As is apparent from the description of the embodiment of the lamp unit 1, the lamp is shown in FIG. The unit 1 can be sufficiently viewed not only from the rear but also from the side, and can provide an unprecedented appearance when viewed from the side. By attaching it to a position that can be seen from the side of the combination lamp 10, the entire combination lamp 10 can be obtained with a novel appearance.

本発明に係る灯具ユニットの第一実施例を示す正面図である。It is a front view which shows the 1st Example of the lamp unit which concerns on this invention. 図1のA−A線に沿う断面図である。It is sectional drawing which follows the AA line of FIG. 本発明に係る灯具ユニットの第一実施例の作用を示す説明図である。It is explanatory drawing which shows the effect | action of the 1st Example of the lamp unit which concerns on this invention. 本発明に係る灯具ユニットの第二実施例を示す断面図である。It is sectional drawing which shows the 2nd Example of the lamp unit which concerns on this invention. 本発明に係る灯具ユニットの第三実施例を示す側面図である。It is a side view which shows the 3rd Example of the lamp unit which concerns on this invention. 本発明に係る灯具ユニットの第三実施例の作用を模式的に示す説明図である。It is explanatory drawing which shows typically the effect | action of the 3rd Example of the lamp unit which concerns on this invention. 本発明に係る灯具ユニットを採用するコンビネーションランプの実施例を示す正面図である。It is a front view which shows the Example of the combination lamp which employ | adopts the lamp unit which concerns on this invention. 従来例を示す斜視図である。It is a perspective view which shows a prior art example.

符号の説明Explanation of symbols

1…灯具ユニット
2…レンズ
21…円筒部
21a…V字状溝
22…底部
22a…光源取付部
23…装飾リング
3…光源
10…コンビネーションランプ
DESCRIPTION OF SYMBOLS 1 ... Lamp unit 2 ... Lens 21 ... Cylindrical part 21a ... V-shaped groove 22 ... Bottom part 22a ... Light source attachment part 23 ... Decoration ring 3 ... Light source 10 ... Combination lamp

Claims (4)

透明部材で、円筒部と、該円筒部の一方の端部を閉止する底部とから成る有底円筒状のレンズを形成し、前記底部の前記円筒部の内側の面の近傍に複数の光源をリング状に配置し、前記円筒部の外径には、略V字状溝が密接して形成されていることを特徴とする灯具ユニット。   A transparent member is used to form a bottomed cylindrical lens composed of a cylindrical portion and a bottom portion that closes one end of the cylindrical portion, and a plurality of light sources are provided in the vicinity of the inner surface of the cylindrical portion of the bottom portion. A lamp unit, which is arranged in a ring shape, and has a substantially V-shaped groove in close contact with the outer diameter of the cylindrical portion. 前記円筒部の前記底部が設けられた端部と反対側の端部には、前記円筒部の内径側に突出するリング状としたとした装飾レンズが設けられていることを特徴とする請求項1記載の灯具ユニット。   The decorative lens having a ring shape protruding toward the inner diameter side of the cylindrical portion is provided at an end portion of the cylindrical portion opposite to the end portion where the bottom portion is provided. The lamp unit according to 1. 前記円筒部に形成される前記略V字状溝は、前記円筒部の中心軸に対し傾斜をもって設けられていることを特徴とする請求項1または請求項2記載の灯具ユニット。   The lamp unit according to claim 1 or 2, wherein the substantially V-shaped groove formed in the cylindrical portion is provided with an inclination with respect to a central axis of the cylindrical portion. 請求項1〜請求項3記載の灯具ユニットの少なくとも1つが組み込まれていることを特徴とするリア、または、フロント用のコンビネーションランプ。   A rear or front combination lamp in which at least one of the lamp units according to claim 1 is incorporated.
JP2006048301A 2006-02-24 2006-02-24 Lamp unit and combination lamp incorporating the lamp unit Expired - Fee Related JP4565655B2 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995518U (en) * 1982-12-17 1984-06-28 ホーチキ株式会社 lighting lamp
JPS61114705U (en) * 1984-12-28 1986-07-19
JPH0342295U (en) * 1989-08-31 1991-04-22
JPH04126608U (en) * 1991-05-08 1992-11-18 スタンレー電気株式会社 Lenses for LED vehicle lights
JPH11265606A (en) * 1998-03-18 1999-09-28 Koito Mfg Co Ltd Marker lamp for vehicle
JP2006012508A (en) * 2004-06-24 2006-01-12 Koito Mfg Co Ltd Vehicular lighting fixture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995518U (en) * 1982-12-17 1984-06-28 ホーチキ株式会社 lighting lamp
JPS61114705U (en) * 1984-12-28 1986-07-19
JPH0342295U (en) * 1989-08-31 1991-04-22
JPH04126608U (en) * 1991-05-08 1992-11-18 スタンレー電気株式会社 Lenses for LED vehicle lights
JPH11265606A (en) * 1998-03-18 1999-09-28 Koito Mfg Co Ltd Marker lamp for vehicle
JP2006012508A (en) * 2004-06-24 2006-01-12 Koito Mfg Co Ltd Vehicular lighting fixture

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