JP2015099638A - Signal lamp for vehicle - Google Patents

Signal lamp for vehicle Download PDF

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JP2015099638A
JP2015099638A JP2013237565A JP2013237565A JP2015099638A JP 2015099638 A JP2015099638 A JP 2015099638A JP 2013237565 A JP2013237565 A JP 2013237565A JP 2013237565 A JP2013237565 A JP 2013237565A JP 2015099638 A JP2015099638 A JP 2015099638A
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lamp
signal lamp
screen
optical image
vehicle
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JP6235312B2 (en
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直道 井手
Naomichi Ide
直道 井手
晴香 平山
Haruka Hirayama
晴香 平山
潤一 深山
Junichi Fukayama
潤一 深山
影山　智之
Tomoyuki Kageyama
智之 影山
岡田　英隆
Hidetaka Okada
英隆 岡田
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Stanley Electric Co Ltd
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Stanley Electric Co Ltd
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  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a signal lamp for a vehicle capable of sufficiently exerting original function by changing the luminous color and size, etc. of an optical image as needed to enhance perceptibility.SOLUTION: A signal lamp for a vehicle is configured such that at least a projector 2 and a screen 3 are stored in a lamp chamber 13 comprising a housing 11 and an outer lens 12 covering the opening part of the housing. In the signal lamp, various optical images are projected on the screed 3 by the projector 2. For example, the shape or size of an optical imaged projected to the screen 3 is changed with time, an optical image is moved, or the color of and optical image is changed.

Description

本発明は、テールランプ、ストップランプ、ターンシグナルランプ、バックアップランプ等の車両用信号灯に関するものである。   The present invention relates to a vehicular signal lamp such as a tail lamp, a stop lamp, a turn signal lamp, and a backup lamp.

テールランプ等の車両用信号灯は、ハウジングとその開口部を覆うアウタレンズによって画成された灯室内に、少なくとも光源を収容して構成されるが、近年、その光源として省電力で耐久性の高いＬＥＤ（発光ダイオード）を用いたものが出現している（例えば、特許文献１参照）。   A vehicle signal lamp such as a tail lamp is configured by housing at least a light source in a lamp chamber defined by an outer lens that covers a housing and an opening of the housing. Recently, a power-saving and highly durable LED ( The thing using a light emitting diode has appeared (for example, refer patent document 1).

ここで、従来の信号灯の一例を図６に示す。   Here, an example of a conventional signal lamp is shown in FIG.

即ち、図６は従来の信号灯の正面図であり、図示の信号灯１０１は、車両後部の左右に配置されるものであって、テールランプ１０２とターンシグナルランプ１０３及びバックアップランプ１０４を一体的に組み合わせて構成され、これらのテールランプ１０２とターンランプ１０３及びバックアップランプ１０４は、これが点灯したときには、各々が占める面積部分を発光させてその機能を果たす。   That is, FIG. 6 is a front view of a conventional signal lamp, and the illustrated signal lamp 101 is arranged on the left and right of the rear part of the vehicle. The tail lamp 102, the turn signal lamp 103, and the backup lamp 104 are combined together. The tail lamp 102, the turn lamp 103, and the backup lamp 104 are configured to emit light in the area occupied by each of the tail lamp 102, the turn lamp 103, and the backup lamp 104.

特開２０0３−０３１００８号公報Japanese Patent Laid-Open No. 2003-031008

しかしながら、図６に示す従来の信号灯１０１にあっては、テールランプ１０２とターンシグナルランプ１０３及びバックアップランプ１０４が占める発光面積が小さいため、降雨や霧の発生等によって周囲の視界が悪い場合には視認性が低下し、テールランプ１０２とターンシグナルランプ１０３及びバックアップランプ１０４の本来の機能が損なわれる可能性がある。   However, in the conventional signal lamp 101 shown in FIG. 6, since the light emitting area occupied by the tail lamp 102, the turn signal lamp 103, and the backup lamp 104 is small, it is visible when the surrounding visibility is poor due to rain or fog. As a result, the original functions of the tail lamp 102, the turn signal lamp 103, and the backup lamp 104 may be impaired.

本発明は上記問題に鑑みてなされたもので、その目的とする処は、必要に応じて光学像の発光色や大きさ等を変化させて視認性を高めることによって、本来の機能を十分果たすことができる車両用信号灯を提供することにある。   The present invention has been made in view of the above-mentioned problems, and its intended purpose is to fulfill its original function sufficiently by changing the emission color, size, etc. of the optical image as necessary to enhance the visibility. The object is to provide a vehicular signal lamp.

上記目的を達成するため、請求項１記載の発明は、ハウジングとその開口部を覆うアウタレンズによって画成された灯室内に、少なくとも投影機とスクリーンを収納して車両用信号灯を構成し、前記投影機によって前記スクリーン上に種々の光学像を投影するようにしたことを特徴とする。   In order to achieve the above object, according to a first aspect of the present invention, at least a projector and a screen are housed in a lamp chamber defined by an outer lens covering a housing and an opening of the housing to constitute a vehicular signal lamp, and the projection Various optical images are projected onto the screen by a machine.

請求項２記載の発明は、請求項１記載の発明において、前記スクリーンに投影される光学像の形状や大きさを経時的に変化させるようにしたことを特徴とする。   According to a second aspect of the present invention, in the first aspect of the present invention, the shape and size of the optical image projected onto the screen are changed over time.

請求項３記載の発明は、請求項１又は２記載の発明において、前記スクリーンに投影される光学像を移動させるようにしたことを特徴とする。   According to a third aspect of the present invention, in the first or second aspect of the present invention, the optical image projected on the screen is moved.

請求項４記載の発明は、請求項１〜３の何れかに記載の発明において、前記スクリーンに投影される光学像の色を変化させるようにしたようにしたことを特徴とする。   A fourth aspect of the invention is characterized in that, in the invention according to any one of the first to third aspects, the color of the optical image projected onto the screen is changed.

請求項１記載の発明によれば、投影機によってスクリーン上に投影される光学像を車両用信号灯の種類（例えば、テールランプ、ストップランプ、ターンシグナルシランプ、バックアップランプ等）に固有の態様（発光色や点滅）で表示することができ、例えば、スクリーン全体をターンシグナルランプの色で点滅させながら発光させることができ、視界が悪い環境下であっても、その光を他車の運転者や歩行者が確実に視認することができ、車両用信号灯は、ターンシグナルランプ本来の機能を十分果たすことができる。そして、スクリーンに投影される光学像を変化させることによって、１つの車両用信号灯が複数種の信号灯を兼ねることができる。   According to the first aspect of the present invention, the optical image projected on the screen by the projector is an aspect (light emission) unique to the type of vehicle signal lamp (for example, tail lamp, stop lamp, turn signal lamp, backup lamp, etc.). For example, the entire screen can be flashed with the color of the turn signal lamp to emit light, and the light can be transmitted to other car drivers or A pedestrian can see with certainty, and the vehicular signal lamp can sufficiently perform the original function of the turn signal lamp. By changing the optical image projected on the screen, one vehicle signal lamp can also serve as a plurality of types of signal lights.

請求項２記載の発明によれば、スクリーンに投影される光学像の形状や大きさを経時的に変化させることによって、視認者の注意を喚起することができ、当該車両用信号灯からの光の視認性が高められる。又、スクリーン上に複数の光学像を同時に投影させることによって、１つの車両用信号灯が複数の信号灯の機能を果たすこともできる。   According to the second aspect of the invention, it is possible to alert the viewer by changing the shape and size of the optical image projected onto the screen over time, and the light from the signal lamp for the vehicle can be alerted. Visibility is improved. Further, by projecting a plurality of optical images on the screen at the same time, one vehicle signal lamp can also function as a plurality of signal lights.

請求項３記載の発明によれば、例えば、車両用信号灯をターンシグナルランプとして使用する場合には、車両が曲がる方向に光学像を移動させれば、視認者に車両の旋回方向を明確に認識させることができる。   According to the third aspect of the present invention, for example, when the vehicle signal lamp is used as the turn signal lamp, the viewer can clearly recognize the turning direction of the vehicle by moving the optical image in the turning direction of the vehicle. Can be made.

請求項４記載の発明によれば、スクリーン上に投影される光学像の色を各信号灯に固有の色に変えることができる。例えば、車両用信号灯をストップランプとして機能させる場合には赤色に発光させ、ターンシグナルランプとして機能させる場合には橙色に発光させることができる。   According to the fourth aspect of the present invention, the color of the optical image projected on the screen can be changed to a color unique to each signal lamp. For example, when the vehicle signal lamp functions as a stop lamp, it can emit red light, and when it functions as a turn signal lamp, it can emit orange light.

本発明に係る車両用信号灯を備えるリアコンビネーションランプの側面図である。It is a side view of a rear combination lamp provided with the signal lamp for vehicles concerning the present invention. 図１のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 本発明に係る車両用信号灯の発光状態を示す正面図である。It is a front view which shows the light emission state of the signal lamp for vehicles which concerns on this invention. （ａ），（ｂ）は本発明に係る車両用信号灯における光学像の動きを示す正面図である。(A), (b) is a front view which shows the motion of the optical image in the signal lamp for vehicles which concerns on this invention. （ａ）〜（ｃ）は本発明に係る車両用信号灯における光学像の大きさの変化を示す正面図である。(A)-(c) is a front view which shows the change of the magnitude | size of the optical image in the signal lamp for vehicles which concerns on this invention. 従来の車両用信号灯の正面図である。It is a front view of the conventional vehicle signal light.

以下に本発明の実施の形態を添付図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the accompanying drawings.

図１は本発明に係る車両用信号灯を備えるリアコンビネーションランプの側面図、図２は図１のＡ−Ａ線断面図であり、図１に示すように、車両前部の左右にはコンビネーションヘッドランプ１０（図１には一方にみ図示）が配置されている。各リアビネーションランプ１０は、図２に示すように、ハウジング１１とその前面開口部を覆うアウタレンズ１２によって画成された灯室１３内に、他の信号等と共に本発明に係る信号灯１を収容して構成されている。   1 is a side view of a rear combination lamp provided with a signal lamp for a vehicle according to the present invention. FIG. 2 is a cross-sectional view taken along line AA of FIG. 1. As shown in FIG. A lamp 10 (shown only on one side in FIG. 1) is arranged. As shown in FIG. 2, each rear combination lamp 10 accommodates the signal lamp 1 according to the present invention together with other signals and the like in a lamp chamber 13 defined by a housing 11 and an outer lens 12 covering the front opening thereof. Configured.

ここで、本発明に係る車両用信号灯１は、灯室１３内のハウジング１１の底壁１１ａ上に配置された投影機（プロジェクタ）２とその前方に配されたスクリーン３を含んで構成されており、投影機２によってスクリーン３上に種々の光学像を投影することによってテールランプ、ストップランプ、ターンシグナルランプ、バックアップランプ等の機能を必要に応じて果たすことができる。   Here, the vehicular signal lamp 1 according to the present invention includes a projector (projector) 2 disposed on a bottom wall 11a of a housing 11 in a lamp chamber 13, and a screen 3 disposed in front thereof. In addition, by projecting various optical images onto the screen 3 by the projector 2, functions such as a tail lamp, a stop lamp, a turn signal lamp, and a backup lamp can be performed as necessary.

例えば、図６に示した従来の信号灯１０１においては、テールランプ１０２とターンシグナルランプ１０３及びバックアップランプ１０４が一体的に設けられており、これらのテールランプ１０２とターンシグナルランプ１０３及びバックアップランプ１０４の発光は、３つに区画された小さな面積の領域に限られていたが、本発明に係る車両用信号灯１においては、スクリーン３の全体を必要に応じてテールランプ、ターンランプ又はバックアップランプの発光領域とすることができる。但し、この場合、光学画像の発光色は、テールランプ、ターンシグナルランプ又はバックアップランプの発光色に変更される。例えば、投光器２によってスクリーン３の全体に赤色の光学像を投影することによって、車両用信号灯１をテールランプ又はバックアップランプとして使用することができ、スクリーン３の全体に橙色の光学像を点滅させながら投影することによって、車両用信号灯１をターンシグナルランプとして使用することができる。   For example, in the conventional signal lamp 101 shown in FIG. 6, a tail lamp 102, a turn signal lamp 103, and a backup lamp 104 are integrally provided, and the tail lamp 102, the turn signal lamp 103, and the backup lamp 104 emit light. Although the area is limited to a small area divided into three, in the vehicle signal lamp 1 according to the present invention, the entire screen 3 is used as a light emission area of a tail lamp, a turn lamp, or a backup lamp as necessary. be able to. However, in this case, the emission color of the optical image is changed to the emission color of the tail lamp, turn signal lamp, or backup lamp. For example, by projecting a red optical image on the entire screen 3 by the projector 2, the vehicle signal lamp 1 can be used as a tail lamp or a backup lamp, and the orange optical image is projected on the entire screen 3 while blinking. By doing so, the vehicular signal lamp 1 can be used as a turn signal lamp.

以上のように、必要に応じてスクリーン３の全体に所望の光学像を投影することによって、１つの車両用信号灯１がテールランプ、ターンランプ又はバックアップランプ等の複数のランプの機能を果たすことができ、この場合、スクリーン３の全体を発光させることができるため、視界が悪い環境下であっても、その光を他車の運転者や歩行者が確実に視認することができ、車両用信号灯１は、各ランプに要求される機能を果たすことができる。尚、スクリーン３上に複数の光学像を同時に投影させれば、１つの車両用信号灯１が複数のランプの機能を同時に果たすようにすることも可能である。   As described above, by projecting a desired optical image on the entire screen 3 as necessary, one vehicle signal lamp 1 can function as a plurality of lamps such as a tail lamp, a turn lamp, or a backup lamp. In this case, since the entire screen 3 can emit light, the driver or pedestrian of the other vehicle can surely see the light even in an environment where visibility is poor, and the vehicle signal lamp 1 Can perform the functions required for each lamp. If a plurality of optical images are projected on the screen 3 at the same time, one vehicle signal lamp 1 can simultaneously perform the functions of a plurality of lamps.

又、本発明に係る車両用信号灯１においては、スクリーン３に投影される光学像の形状を変化させたり、光学像を移動させることも可能である。例えば、車両用信号灯１をターンランプとして使用する場合、図４（ａ），（ｂ）に示すように、車両が旋回する方向を示す矢印の光学像４を橙色に点滅させながら車両が曲がる方向（図示例では、右から左方向）に移動させれば、視認者に車両が旋回する方向を明確に認識させることができる。   In the vehicular signal lamp 1 according to the present invention, the shape of the optical image projected on the screen 3 can be changed or the optical image can be moved. For example, when the vehicle signal lamp 1 is used as a turn lamp, as shown in FIGS. 4A and 4B, the direction in which the vehicle bends while blinking the optical image 4 of the arrow indicating the direction in which the vehicle turns in orange. If it is moved in the illustrated example (from right to left), the viewer can clearly recognize the direction in which the vehicle turns.

更に、本発明に係る車両用信号灯１においては、スクリーン３に投影される光学像の大きさを経時的に変化させることも可能である。例えば、車両用信号灯１をターンランプとして使用する場合、図５（ａ）〜（ｃ）に示すように、車両が旋回する方向に点滅する橙色の光学像５の大きさを時間の経過と共に次第に小さくする動作を繰り返せば、視認者に注意を喚起することができ、車両が曲がる方向（図示例では、右から左方向）を視認者が明確に認識することができる。   Furthermore, in the vehicular signal lamp 1 according to the present invention, the size of the optical image projected on the screen 3 can be changed over time. For example, when the vehicular signal lamp 1 is used as a turn lamp, as shown in FIGS. 5A to 5C, the size of the orange optical image 5 blinking in the direction in which the vehicle turns is gradually increased with time. If the operation of reducing the size is repeated, the viewer can be alerted, and the viewer can clearly recognize the direction in which the vehicle bends (right to left in the illustrated example).

尚、図示しないが、スクリーン３上には文字画像を投影することもでき、この文字画像の大きさや形状を経時的に変化させたり、移動させても良く、又、その発光色を任意に変更することも可能である。   Although not shown, a character image can be projected on the screen 3, and the size and shape of the character image may be changed or moved over time, and the emission color may be arbitrarily changed. It is also possible to do.

１ 車両用信号灯
２ 投影機
３ スクリーン
４，５ 光学像
１０ リアコンビネーションランプ
１１ ハウジング
１２ アウタレンズ
１３ 灯室
DESCRIPTION OF SYMBOLS 1 Vehicle signal light 2 Projector 3 Screen 4,5 Optical image 10 Rear combination lamp 11 Housing 12 Outer lens 13 Lamp chamber

Claims (4)

ハウジングとその開口部を覆うアウタレンズによって画成された灯室内に、少なくとも投影機とスクリーンを収納し、前記投影機によって前記スクリーン上に種々の光学像を投影するよう構成したことを特徴とする車両用信号灯。   A vehicle in which at least a projector and a screen are housed in a lamp chamber defined by an outer lens that covers a housing and an opening of the housing, and various optical images are projected onto the screen by the projector. Signal lights. 前記スクリーンに投影される光学像の形状や大きさを経時的に変化させるようにしたことを特徴とする請求項１記載の車両用信号灯。   2. The vehicular signal lamp according to claim 1, wherein the shape and size of the optical image projected on the screen are changed over time. 前記スクリーンに投影される光学像を移動させるようにしたことを特徴とする請求項１又は２記載の車両用信号灯。   3. The vehicular signal lamp according to claim 1, wherein an optical image projected on the screen is moved. 前記スクリーンに投影される光学像の色を変化させるようにしたようにしたことを特徴とする請求項１〜３の何れかに記載の車両用信号灯。
4. The vehicular signal lamp according to claim 1, wherein the color of the optical image projected on the screen is changed.
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FR3055430A1 (en) * 2016-08-31 2018-03-02 Valeo Vision LIGHTING AND / OR SIGNALING DEVICE, IN PARTICULAR FOR A MOTOR VEHICLE
FR3067307A1 (en) * 2017-06-13 2018-12-14 Peugeot Citroen Automobiles Sa LIGHTING AND / OR SIGNALING DEVICE FOR A MOTOR VEHICLE COMPRISING MEANS FOR REFLECTING AN IMAGE
FR3068317A1 (en) * 2017-07-03 2019-01-04 Psa Automobiles Sa LIGHTING AND / OR LIGHT SIGNALING DEVICE COMPRISING A RETRACTABLE DISPLAY SYSTEM
JP2019114480A (en) * 2017-12-25 2019-07-11 トヨタ自動車株式会社 Vehicular lighting fixture
WO2020204062A1 (en) 2019-04-05 2020-10-08 スタンレー電気株式会社 Vehicle lamp

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